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SkImageInfo Reference
===
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< pre style = "padding: 1em 1em 1em 1em;width: 62.5em; background-color: #f0f0f0 " >
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enum < a href = 'SkImageInfo_Reference#SkAlphaType' > SkAlphaType< / a > {
< a href = 'SkImageInfo_Reference#kUnknown_SkAlphaType' > kUnknown_SkAlphaType< / a > ,
< a href = 'SkImageInfo_Reference#kOpaque_SkAlphaType' > kOpaque_SkAlphaType< / a > ,
< a href = 'SkImageInfo_Reference#kPremul_SkAlphaType' > kPremul_SkAlphaType< / a > ,
< a href = 'SkImageInfo_Reference#kUnpremul_SkAlphaType' > kUnpremul_SkAlphaType< / a > ,
< a href = 'SkImageInfo_Reference#kLastEnum_SkAlphaType' > kLastEnum_SkAlphaType< / a > = < a href = 'SkImageInfo_Reference#kUnpremul_SkAlphaType' > kUnpremul_SkAlphaType< / a > ,
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};
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< a href = 'SkImageInfo_Reference#kUnpremul_SkAlphaType' > static< / a > < a href = 'SkImageInfo_Reference#kUnpremul_SkAlphaType' > bool< / a > < a href = 'SkImageInfo_Reference#SkAlphaTypeIsOpaque' > SkAlphaTypeIsOpaque< / a > (< a href = 'SkImageInfo_Reference#SkAlphaType' > SkAlphaType< / a > < a href = 'SkImageInfo_Reference#SkAlphaType' > at< / a > );
< a href = 'SkImageInfo_Reference#SkAlphaType' > enum< / a > < a href = 'SkImageInfo_Reference#SkColorType' > SkColorType< / a > {
< a href = 'SkImageInfo_Reference#kUnknown_SkColorType' > kUnknown_SkColorType< / a > ,
< a href = 'SkImageInfo_Reference#kAlpha_8_SkColorType' > kAlpha_8_SkColorType< / a > ,
< a href = 'SkImageInfo_Reference#kRGB_565_SkColorType' > kRGB_565_SkColorType< / a > ,
< a href = 'SkImageInfo_Reference#kARGB_4444_SkColorType' > kARGB_4444_SkColorType< / a > ,
< a href = 'SkImageInfo_Reference#kRGBA_8888_SkColorType' > kRGBA_8888_SkColorType< / a > ,
< a href = 'SkImageInfo_Reference#kRGB_888x_SkColorType' > kRGB_888x_SkColorType< / a > ,
< a href = 'SkImageInfo_Reference#kBGRA_8888_SkColorType' > kBGRA_8888_SkColorType< / a > ,
< a href = 'SkImageInfo_Reference#kRGBA_1010102_SkColorType' > kRGBA_1010102_SkColorType< / a > ,
< a href = 'SkImageInfo_Reference#kRGB_101010x_SkColorType' > kRGB_101010x_SkColorType< / a > ,
< a href = 'SkImageInfo_Reference#kGray_8_SkColorType' > kGray_8_SkColorType< / a > ,
< a href = 'SkImageInfo_Reference#kRGBA_F16_SkColorType' > kRGBA_F16_SkColorType< / a > ,
< a href = 'SkImageInfo_Reference#kRGBA_F32_SkColorType' > kRGBA_F32_SkColorType< / a > ,
< a href = 'SkImageInfo_Reference#kLastEnum_SkColorType' > kLastEnum_SkColorType< / a > = < a href = 'SkImageInfo_Reference#kRGBA_F32_SkColorType' > kRGBA_F32_SkColorType< / a > ,
< a href = 'SkImageInfo_Reference#kN32_SkColorType' > kN32_SkColorType< / a > = < a href = 'SkImageInfo_Reference#kBGRA_8888_SkColorType' > kBGRA_8888_SkColorType< / a > ,
< a href = 'SkImageInfo_Reference#kN32_SkColorType' > kN32_SkColorType< / a > = < a href = 'SkImageInfo_Reference#kRGBA_8888_SkColorType' > kRGBA_8888_SkColorType< / a > ,
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};
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< a href = 'SkImageInfo_Reference#kRGBA_8888_SkColorType' > int< / a > < a href = 'SkImageInfo_Reference#SkColorTypeBytesPerPixel' > SkColorTypeBytesPerPixel< / a > (< a href = 'SkImageInfo_Reference#SkColorType' > SkColorType< / a > < a href = 'SkImageInfo_Reference#SkColorType' > ct< / a > );
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< a href = 'SkImageInfo_Reference#SkColorType' > bool< / a > < a href = 'SkImageInfo_Reference#SkColorTypeIsAlwaysOpaque' > SkColorTypeIsAlwaysOpaque< / a > (< a href = 'SkImageInfo_Reference#SkColorType' > SkColorType< / a > < a href = 'SkImageInfo_Reference#SkColorType' > ct< / a > );
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< a href = 'SkImageInfo_Reference#SkColorType' > bool< / a > < a href = 'SkImageInfo_Reference#SkColorTypeValidateAlphaType' > SkColorTypeValidateAlphaType< / a > (< a href = 'SkImageInfo_Reference#SkColorType' > SkColorType< / a > < a href = '#SkImage_colorType' > colorType< / a > , < a href = 'SkImageInfo_Reference#SkAlphaType' > SkAlphaType< / a > < a href = '#SkImage_alphaType' > alphaType< / a > ,
< a href = 'SkImageInfo_Reference#SkAlphaType' > SkAlphaType< / a > * < a href = 'SkImageInfo_Reference#SkAlphaType' > canonical< / a > = < a href = 'SkImageInfo_Reference#SkAlphaType' > nullptr< / a > );
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< a href = 'SkImageInfo_Reference#SkAlphaType' > enum< / a > < a href = 'SkImageInfo_Reference#SkYUVColorSpace' > SkYUVColorSpace< / a > {
< a href = 'SkImageInfo_Reference#kJPEG_SkYUVColorSpace' > kJPEG_SkYUVColorSpace< / a > ,
< a href = 'SkImageInfo_Reference#kRec601_SkYUVColorSpace' > kRec601_SkYUVColorSpace< / a > ,
< a href = 'SkImageInfo_Reference#kRec709_SkYUVColorSpace' > kRec709_SkYUVColorSpace< / a > ,
< a href = 'SkImageInfo_Reference#kLastEnum_SkYUVColorSpace' > kLastEnum_SkYUVColorSpace< / a > = < a href = 'SkImageInfo_Reference#kRec709_SkYUVColorSpace' > kRec709_SkYUVColorSpace< / a > ,
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};
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< a href = 'SkImageInfo_Reference#kRec709_SkYUVColorSpace' > struct< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > SkImageInfo< / a > {
// < < a href = 'SkImageInfo_Reference#SkImageInfo' > i< / a > >< a href = 'SkImageInfo_Reference#SkImageInfo' > SkImageInfo< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > interface< / a > < /< a href = 'SkImageInfo_Reference#SkImageInfo' > i< / a > >
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};
< / pre >
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< a href = '#Image_Info' > Image_Info< / a > < a href = '#Image_Info' > specifies< / a > < a href = '#Image_Info' > the< / a > < a href = '#Image_Info' > dimensions< / a > < a href = '#Image_Info' > and< / a > < a href = '#Image_Info' > encoding< / a > < a href = '#Image_Info' > of< / a > < a href = '#Image_Info' > the< / a > < a href = '#Image_Info' > pixels< / a > < a href = '#Image_Info' > in< / a > < a href = '#Image_Info' > a< / a > < a href = 'SkBitmap_Reference#Bitmap' > Bitmap< / a > .
< a href = 'SkBitmap_Reference#Bitmap' > The< / a > < a href = 'SkBitmap_Reference#Bitmap' > dimensions< / a > < a href = 'SkBitmap_Reference#Bitmap' > are< / a > < a href = 'SkBitmap_Reference#Bitmap' > integral< / a > < a href = 'SkBitmap_Reference#Bitmap' > width< / a > < a href = 'SkBitmap_Reference#Bitmap' > and< / a > < a href = 'SkBitmap_Reference#Bitmap' > height< / a > . < a href = 'SkBitmap_Reference#Bitmap' > The< / a > < a href = 'SkBitmap_Reference#Bitmap' > encoding< / a > < a href = 'SkBitmap_Reference#Bitmap' > is< / a > < a href = 'SkBitmap_Reference#Bitmap' > how< / a > < a href = 'undocumented#Pixel' > pixel< / a >
< a href = 'undocumented#Pixel' > bits< / a > < a href = 'undocumented#Pixel' > describe< / a > < a href = '#Color_Alpha' > Color_Alpha< / a > , < a href = '#Color_Alpha' > transparency< / a > ; < a href = 'SkColor_Reference#Color' > Color< / a > < a href = 'SkColor_Reference#Color' > components< / a > < a href = 'SkColor_Reference#Color' > red< / a > , < a href = 'SkColor_Reference#Color' > blue< / a > ,
< a href = 'SkColor_Reference#Color' > and< / a > < a href = 'SkColor_Reference#Color' > green< / a > ; < a href = 'SkColor_Reference#Color' > and< / a > < a href = '#Color_Space' > Color_Space< / a > , < a href = '#Color_Space' > the< / a > < a href = '#Color_Space' > range< / a > < a href = '#Color_Space' > and< / a > < a href = '#Color_Space' > linearity< / a > < a href = '#Color_Space' > of< / a > < a href = '#Color_Space' > colors< / a > .
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< a href = '#Image_Info' > Image_Info< / a > < a href = '#Image_Info' > describes< / a > < a href = '#Image_Info' > an< / a > < a href = '#Image_Info' > uncompressed< / a > < a href = '#Image_Info' > raster< / a > < a href = '#Image_Info' > pixels< / a > . < a href = '#Image_Info' > In< / a > < a href = '#Image_Info' > contrast< / a > , < a href = 'SkImage_Reference#Image' > Image< / a >
< a href = 'SkImage_Reference#Image' > additionally< / a > < a href = 'SkImage_Reference#Image' > describes< / a > < a href = 'SkImage_Reference#Image' > compressed< / a > < a href = 'SkImage_Reference#Image' > pixels< / a > < a href = 'SkImage_Reference#Image' > like< / a > < a href = 'SkImage_Reference#Image' > PNG< / a > , < a href = 'SkImage_Reference#Image' > and< / a > < a href = 'SkSurface_Reference#Surface' > Surface< / a > < a href = 'SkSurface_Reference#Surface' > describes< / a >
< a href = 'SkSurface_Reference#Surface' > destinations< / a > < a href = 'SkSurface_Reference#Surface' > on< / a > < a href = 'SkSurface_Reference#Surface' > the< / a > < a href = 'SkSurface_Reference#Surface' > GPU< / a > . < a href = 'SkImage_Reference#Image' > Image< / a > < a href = 'SkImage_Reference#Image' > and< / a > < a href = 'SkSurface_Reference#Surface' > Surface< / a > < a href = 'SkSurface_Reference#Surface' > may< / a > < a href = 'SkSurface_Reference#Surface' > be< / a > < a href = 'SkSurface_Reference#Surface' > specified< / a > < a href = 'SkSurface_Reference#Surface' > by< / a > < a href = '#Image_Info' > Image_Info< / a > ,
< a href = '#Image_Info' > but< / a > < a href = 'SkImage_Reference#Image' > Image< / a > < a href = 'SkImage_Reference#Image' > and< / a > < a href = 'SkSurface_Reference#Surface' > Surface< / a > < a href = 'SkSurface_Reference#Surface' > may< / a > < a href = 'SkSurface_Reference#Surface' > not< / a > < a href = 'SkSurface_Reference#Surface' > contain< / a > < a href = '#Image_Info' > Image_Info< / a > .
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< a name = 'Alpha_Type' > < / a >
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< a name = 'SkAlphaType' > < / a >
---
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< pre style = "padding: 1em 1em 1em 1em;width: 62.5em; background-color: #f0f0f0 " >
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enum < a href = 'SkImageInfo_Reference#SkAlphaType' > SkAlphaType< / a > {
< a href = 'SkImageInfo_Reference#kUnknown_SkAlphaType' > kUnknown_SkAlphaType< / a > ,
< a href = 'SkImageInfo_Reference#kOpaque_SkAlphaType' > kOpaque_SkAlphaType< / a > ,
< a href = 'SkImageInfo_Reference#kPremul_SkAlphaType' > kPremul_SkAlphaType< / a > ,
< a href = 'SkImageInfo_Reference#kUnpremul_SkAlphaType' > kUnpremul_SkAlphaType< / a > ,
< a href = 'SkImageInfo_Reference#kLastEnum_SkAlphaType' > kLastEnum_SkAlphaType< / a > = < a href = 'SkImageInfo_Reference#kUnpremul_SkAlphaType' > kUnpremul_SkAlphaType< / a > ,
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};
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< / pre >
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Describes how to interpret the < a href = 'SkColor_Reference#Alpha' > alpha< / a > < a href = 'SkColor_Reference#Alpha' > component< / a > < a href = 'SkColor_Reference#Alpha' > of< / a > < a href = 'SkColor_Reference#Alpha' > a< / a > < a href = 'undocumented#Pixel' > pixel< / a > . < a href = 'undocumented#Pixel' > A< / a > < a href = 'undocumented#Pixel' > pixel< / a > < a href = 'undocumented#Pixel' > may< / a >
< a href = 'undocumented#Pixel' > be< / a > < a href = 'undocumented#Pixel' > opaque< / a > , < a href = 'undocumented#Pixel' > or< / a > < a href = '#Color_Alpha' > Color_Alpha< / a > , < a href = '#Color_Alpha' > describing< / a > < a href = '#Color_Alpha' > multiple< / a > < a href = '#Color_Alpha' > levels< / a > < a href = '#Color_Alpha' > of< / a > < a href = '#Color_Alpha' > transparency< / a > .
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< a href = '#Color_Alpha' > In< / a > < a href = '#Color_Alpha' > simple< / a > < a href = '#Color_Alpha' > blending< / a > , < a href = '#Color_Alpha' > Color_Alpha< / a > < a href = 'SkPath_Reference#Conic_Weight' > weights< / a > < a href = 'SkPath_Reference#Conic_Weight' > the< / a > < a href = 'SkPath_Reference#Conic_Weight' > draw< / a > < a href = 'SkColor_Reference#Color' > color< / a > < a href = 'SkColor_Reference#Color' > and< / a > < a href = 'SkColor_Reference#Color' > the< / a > < a href = 'SkColor_Reference#Color' > destination< / a >
< a href = 'SkColor_Reference#Color' > color< / a > < a href = 'SkColor_Reference#Color' > to< / a > < a href = 'SkColor_Reference#Color' > create< / a > < a href = 'SkColor_Reference#Color' > a< / a > < a href = 'SkColor_Reference#Color' > new< / a > < a href = 'SkColor_Reference#Color' > color< / a > . < a href = 'SkColor_Reference#Color' > If< / a > < a href = 'SkColor_Reference#Alpha' > alpha< / a > < a href = 'SkColor_Reference#Alpha' > describes< / a > < a href = 'SkColor_Reference#Alpha' > a< / a > < a href = 'SkColor_Reference#Alpha' > weight< / a > < a href = 'SkColor_Reference#Alpha' > from< / a > < a href = 'SkColor_Reference#Alpha' > zero< / a > < a href = 'SkColor_Reference#Alpha' > to< / a > < a href = 'SkColor_Reference#Alpha' > one< / a > ,
< a href = 'SkColor_Reference#Alpha' > new</ a > < a href = 'SkColor_Reference#Color' > color</ a > < a href = 'SkColor_Reference#Color' > is</ a > < a href = 'SkColor_Reference#Color' > set</ a > < a href = 'SkColor_Reference#Color' > to</ a > : < code > draw < a href = 'SkColor_Reference#Color' > color</ a > * <a href='SkColor_Reference#Alpha'>alpha</a> + <a href='SkColor_Reference#Alpha'>destination</a> <a href='SkColor_Reference#Color'>color</a> * (1 - < a href = 'SkColor_Reference#Alpha' > alpha</ a > )</ code > .
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In practice < a href = 'SkColor_Reference#Alpha' > alpha< / a > < a href = 'SkColor_Reference#Alpha' > is< / a > < a href = 'SkColor_Reference#Alpha' > encoded< / a > < a href = 'SkColor_Reference#Alpha' > in< / a > < a href = 'SkColor_Reference#Alpha' > two< / a > < a href = 'SkColor_Reference#Alpha' > or< / a > < a href = 'SkColor_Reference#Alpha' > more< / a > < a href = 'SkColor_Reference#Alpha' > bits< / a > , < a href = 'SkColor_Reference#Alpha' > where< / a > 1.0 < a href = 'SkColor_Reference#Alpha' > equals< / a > < a href = 'SkColor_Reference#Alpha' > all< / a > < a href = 'SkColor_Reference#Alpha' > bits< / a > < a href = 'SkColor_Reference#Alpha' > set< / a > .
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< a href = 'SkColor_Reference#Alpha' > RGB< / a > < a href = 'SkColor_Reference#Alpha' > may< / a > < a href = 'SkColor_Reference#Alpha' > have< / a > < a href = '#Color_Alpha' > Color_Alpha< / a > < a href = '#Color_Alpha' > included< / a > < a href = '#Color_Alpha' > in< / a > < a href = '#Color_Alpha' > each< / a > < a href = '#Color_Alpha' > component< / a > < a href = '#Color_Alpha' > value< / a > ; < a href = '#Color_Alpha' > the< / a > < a href = '#Color_Alpha' > stored< / a >
< a href = '#Color_Alpha' > value< / a > < a href = '#Color_Alpha' > is< / a > < a href = '#Color_Alpha' > the< / a > < a href = '#Color_Alpha' > original< / a > < a href = '#Color_Alpha' > RGB< / a > < a href = '#Color_Alpha' > multiplied< / a > < a href = '#Color_Alpha' > by< / a > < a href = '#Color_Alpha' > Color_Alpha< / a > . < a href = 'undocumented#Premultiply' > Premultiplied< / a > < a href = 'SkColor_Reference#Color' > color< / a >
< a href = 'SkColor_Reference#Color' > components< / a > < a href = 'SkColor_Reference#Color' > improve< / a > < a href = 'SkColor_Reference#Color' > performance< / a > .
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### Constants
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< table style = 'border-collapse: collapse; width: 62.5em' >
< tr >< th style = 'text-align: left; border: 2px solid #dddddd ; padding: 8px; ' > Const</ th >
< th style = 'text-align: center; border: 2px solid #dddddd ; padding: 8px; ' > Value</ th >
< th style = 'text-align: left; border: 2px solid #dddddd ; padding: 8px; ' > Details</ th >
< th style = 'text-align: left; border: 2px solid #dddddd ; padding: 8px; ' > Description</ th ></ tr >
< tr style = 'background-color: #f0f0f0 ; ' >
< td style = 'text-align: left; border: 2px solid #dddddd ; padding: 8px; ' >< a name = 'kUnknown_SkAlphaType' >< code > kUnknown_SkAlphaType</ code ></ a ></ td >
< td style = 'text-align: center; border: 2px solid #dddddd ; padding: 8px; ' > 0</ td >
< td style = 'text-align: left; border: 2px solid #dddddd ; padding: 8px; ' ></ td >
< td style = 'text-align: left; border: 2px solid #dddddd ; padding: 8px; ' >
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< a href = '#Image_Info_Alpha_Type' > Alpha_Type< / a > < a href = '#Image_Info_Alpha_Type' > is< / a > < a href = '#Image_Info_Alpha_Type' > uninitialized< / a > .
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< / td >
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< / tr >
< tr >
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< td style = 'text-align: left; border: 2px solid #dddddd ; padding: 8px; ' >< a name = 'kOpaque_SkAlphaType' >< code > kOpaque_SkAlphaType</ code ></ a ></ td >
< td style = 'text-align: center; border: 2px solid #dddddd ; padding: 8px; ' > 1</ td >
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< td style = 'text-align: left; border: 2px solid #dddddd ; padding: 8px; ' >< a href = '#Opaque' > Opaque</ a > </ td >
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< td style = 'text-align: left; border: 2px solid #dddddd ; padding: 8px; ' >
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Pixels are opaque. The < a href = '#Image_Info_Color_Type' > Color_Type< / a > < a href = '#Image_Info_Color_Type' > must< / a > < a href = '#Image_Info_Color_Type' > have< / a > < a href = '#Image_Info_Color_Type' > no< / a > < a href = '#Image_Info_Color_Type' > explicit< / a > < a href = 'SkColor_Reference#Alpha' > alpha< / a >
< a href = 'SkColor_Reference#Alpha' > component< / a > , < a href = 'SkColor_Reference#Alpha' > or< / a > < a href = 'SkColor_Reference#Alpha' > all< / a > < a href = 'SkColor_Reference#Alpha' > alpha< / a > < a href = 'SkColor_Reference#Alpha' > components< / a > < a href = 'SkColor_Reference#Alpha' > must< / a > < a href = 'SkColor_Reference#Alpha' > be< / a > < a href = 'SkColor_Reference#Alpha' > set< / a > < a href = 'SkColor_Reference#Alpha' > to< / a > < a href = 'SkColor_Reference#Alpha' > their< / a > < a href = 'SkColor_Reference#Alpha' > maximum< / a > < a href = 'SkColor_Reference#Alpha' > value< / a > .
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< / td >
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< / tr >
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< tr style = 'background-color: #f0f0f0 ; ' >
< td style = 'text-align: left; border: 2px solid #dddddd ; padding: 8px; ' >< a name = 'kPremul_SkAlphaType' >< code > kPremul_SkAlphaType</ code ></ a ></ td >
< td style = 'text-align: center; border: 2px solid #dddddd ; padding: 8px; ' > 2</ td >
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< td style = 'text-align: left; border: 2px solid #dddddd ; padding: 8px; ' >< a href = '#Premul' > Premul</ a > </ td >
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< td style = 'text-align: left; border: 2px solid #dddddd ; padding: 8px; ' >
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Pixels have < a href = 'SkColor_Reference#Alpha' > Alpha< / a > < a href = 'undocumented#Premultiply' > Premultiplied< / a > < a href = 'undocumented#Premultiply' > into< / a > < a href = 'SkColor_Reference#Color' > color< / a > < a href = 'SkColor_Reference#Color' > components< / a > .
< a href = 'SkSurface_Reference#Surface' > Surface< / a > < a href = 'SkSurface_Reference#Surface' > pixels< / a > < a href = 'SkSurface_Reference#Surface' > must< / a > < a href = 'SkSurface_Reference#Surface' > be< / a > < a href = 'undocumented#Premultiply' > Premultiplied< / a > .
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< / td >
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< / tr >
< tr >
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< td style = 'text-align: left; border: 2px solid #dddddd ; padding: 8px; ' >< a name = 'kUnpremul_SkAlphaType' >< code > kUnpremul_SkAlphaType</ code ></ a ></ td >
< td style = 'text-align: center; border: 2px solid #dddddd ; padding: 8px; ' > 3</ td >
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< td style = 'text-align: left; border: 2px solid #dddddd ; padding: 8px; ' >< a href = '#Unpremul' > Unpremul</ a > </ td >
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< td style = 'text-align: left; border: 2px solid #dddddd ; padding: 8px; ' >
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< a href = 'undocumented#Pixel' > Pixel< / a > < a href = 'SkColor_Reference#Color' > color< / a > < a href = 'SkColor_Reference#Color' > component< / a > < a href = 'SkColor_Reference#Color' > values< / a > < a href = 'SkColor_Reference#Color' > are< / a > < a href = 'SkColor_Reference#Color' > independent< / a > < a href = 'SkColor_Reference#Color' > of< / a > < a href = 'SkColor_Reference#Alpha' > alpha< / a > < a href = 'SkColor_Reference#Alpha' > value< / a > .
< a href = 'SkColor_Reference#Alpha' > Images< / a > < a href = 'SkColor_Reference#Alpha' > generated< / a > < a href = 'SkColor_Reference#Alpha' > from< / a > < a href = 'SkColor_Reference#Alpha' > encoded< / a > < a href = 'undocumented#Data' > data< / a > < a href = 'undocumented#Data' > like< / a > < a href = 'undocumented#Data' > PNG< / a > < a href = 'undocumented#Data' > do< / a > < a href = 'undocumented#Data' > not< / a > < a href = 'undocumented#Premultiply' > Premultiply< / a > < a href = 'undocumented#Pixel' > pixel< / a > < a href = 'SkColor_Reference#Color' > color< / a >
< a href = 'SkColor_Reference#Color' > components< / a > . < a href = 'SkImageInfo_Reference#kUnpremul_SkAlphaType' > kUnpremul_SkAlphaType< / a > < a href = 'SkImageInfo_Reference#kUnpremul_SkAlphaType' > is< / a > < a href = 'SkImageInfo_Reference#kUnpremul_SkAlphaType' > supported< / a > < a href = 'SkImageInfo_Reference#kUnpremul_SkAlphaType' > for< / a > < a href = 'SkImage_Reference#Image' > Image< / a > < a href = 'SkImage_Reference#Image' > pixels< / a > , < a href = 'SkImage_Reference#Image' > but< / a > < a href = 'SkImage_Reference#Image' > not< / a > < a href = 'SkImage_Reference#Image' > for< / a >
< a href = 'SkSurface_Reference#Surface' > Surface< / a > < a href = 'SkSurface_Reference#Surface' > pixels< / a > .
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< / td >
< / tr >
< tr style = 'background-color: #f0f0f0 ; ' >
< td style = 'text-align: left; border: 2px solid #dddddd ; padding: 8px; ' >< a name = 'kLastEnum_SkAlphaType' >< code > kLastEnum_SkAlphaType</ code ></ a ></ td >
< td style = 'text-align: center; border: 2px solid #dddddd ; padding: 8px; ' > 3</ td >
< td style = 'text-align: left; border: 2px solid #dddddd ; padding: 8px; ' ></ td >
< td style = 'text-align: left; border: 2px solid #dddddd ; padding: 8px; ' >
Used by tests to iterate through all valid values.
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< / td >
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< / tr >
< / table >
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### See Also
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< a href = 'SkImageInfo_Reference#SkColorType' > SkColorType< / a > < a href = 'undocumented#SkColorSpace' > SkColorSpace< / a >
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< a name = 'Alpha_Type_Opaque' > < / a >
---
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Use < a href = 'SkImageInfo_Reference#kOpaque_SkAlphaType' > kOpaque_SkAlphaType< / a > < a href = 'SkImageInfo_Reference#kOpaque_SkAlphaType' > as< / a > < a href = 'SkImageInfo_Reference#kOpaque_SkAlphaType' > a< / a > < a href = 'SkImageInfo_Reference#kOpaque_SkAlphaType' > hint< / a > < a href = 'SkImageInfo_Reference#kOpaque_SkAlphaType' > to< / a > < a href = 'SkImageInfo_Reference#kOpaque_SkAlphaType' > optimize< / a > < a href = 'SkImageInfo_Reference#kOpaque_SkAlphaType' > drawing< / a > < a href = 'SkImageInfo_Reference#kOpaque_SkAlphaType' > when< / a > < a href = 'SkColor_Reference#Alpha' > Alpha< / a > < a href = 'SkColor_Reference#Alpha' > component< / a >
< a href = 'SkColor_Reference#Alpha' > of< / a > < a href = 'SkColor_Reference#Alpha' > all< / a > < a href = 'undocumented#Pixel' > pixel< / a > < a href = 'undocumented#Pixel' > is< / a > < a href = 'undocumented#Pixel' > set< / a > < a href = 'undocumented#Pixel' > to< / a > < a href = 'undocumented#Pixel' > its< / a > < a href = 'undocumented#Pixel' > maximum< / a > < a href = 'undocumented#Pixel' > value< / a > < a href = 'undocumented#Pixel' > of< / a > 1.0; < a href = 'undocumented#Pixel' > all< / a > < a href = 'SkColor_Reference#Alpha' > alpha< / a > < a href = 'SkColor_Reference#Alpha' > component< / a > < a href = 'SkColor_Reference#Alpha' > bits< / a > < a href = 'SkColor_Reference#Alpha' > are< / a > < a href = 'SkColor_Reference#Alpha' > set< / a > .
< a href = 'SkColor_Reference#Alpha' > If< / a > < a href = '#Image_Info' > Image_Info< / a > < a href = '#Image_Info' > is< / a > < a href = '#Image_Info' > set< / a > < a href = '#Image_Info' > to< / a > < a href = 'SkImageInfo_Reference#kOpaque_SkAlphaType' > kOpaque_SkAlphaType< / a > < a href = 'SkImageInfo_Reference#kOpaque_SkAlphaType' > but< / a > < a href = 'SkImageInfo_Reference#kOpaque_SkAlphaType' > all< / a > < a href = 'SkColor_Reference#Alpha' > alpha< / a > < a href = 'SkColor_Reference#Alpha' > values< / a > < a href = 'SkColor_Reference#Alpha' > are< / a > < a href = 'SkColor_Reference#Alpha' > not< / a > 1.0,
< a href = 'SkColor_Reference#Alpha' > results< / a > < a href = 'SkColor_Reference#Alpha' > are< / a > < a href = 'SkColor_Reference#Alpha' > undefined< / a > .
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### Example
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< div > < fiddle-embed name = "79146a1a41d58d22582fdc567c6ffe4e" > < div > < a href = 'SkColor_Reference#SkPreMultiplyARGB' > SkPreMultiplyARGB< / a > < a href = 'SkColor_Reference#SkPreMultiplyARGB' > parameter< / a > < a href = 'SkColor_Reference#SkPreMultiplyARGB' > a< / a > < a href = 'SkColor_Reference#SkPreMultiplyARGB' > is< / a > < a href = 'SkColor_Reference#SkPreMultiplyARGB' > set< / a > < a href = 'SkColor_Reference#SkPreMultiplyARGB' > to< / a > 255, < a href = 'SkColor_Reference#SkPreMultiplyARGB' > its< / a > < a href = 'SkColor_Reference#SkPreMultiplyARGB' > maximum< / a > < a href = 'SkColor_Reference#SkPreMultiplyARGB' > value< / a > , < a href = 'SkColor_Reference#SkPreMultiplyARGB' > and< / a > < a href = 'SkColor_Reference#SkPreMultiplyARGB' > is< / a > < a href = 'SkColor_Reference#SkPreMultiplyARGB' > interpreted< / a >
< a href = 'SkColor_Reference#SkPreMultiplyARGB' > as< / a > < a href = '#Color_Alpha' > Color_Alpha< / a > < a href = '#Color_Alpha' > of< / a > 1.0. < a href = 'SkImageInfo_Reference#kOpaque_SkAlphaType' > kOpaque_SkAlphaType< / a > < a href = 'SkImageInfo_Reference#kOpaque_SkAlphaType' > may< / a > < a href = 'SkImageInfo_Reference#kOpaque_SkAlphaType' > be< / a > < a href = 'SkImageInfo_Reference#kOpaque_SkAlphaType' > set< / a > < a href = 'SkImageInfo_Reference#kOpaque_SkAlphaType' > to< / a > < a href = 'SkImageInfo_Reference#kOpaque_SkAlphaType' > improve< / a > < a href = 'SkImageInfo_Reference#kOpaque_SkAlphaType' > performance< / a > .
< a href = 'SkImageInfo_Reference#kOpaque_SkAlphaType' > If< / a > < a href = 'SkColor_Reference#SkPreMultiplyARGB' > SkPreMultiplyARGB< / a > < a href = 'SkColor_Reference#SkPreMultiplyARGB' > parameter< / a > < a href = 'SkColor_Reference#SkPreMultiplyARGB' > a< / a > < a href = 'SkColor_Reference#SkPreMultiplyARGB' > is< / a > < a href = 'SkColor_Reference#SkPreMultiplyARGB' > set< / a > < a href = 'SkColor_Reference#SkPreMultiplyARGB' > to< / a > < a href = 'SkColor_Reference#SkPreMultiplyARGB' > a< / a > < a href = 'SkColor_Reference#SkPreMultiplyARGB' > value< / a > < a href = 'SkColor_Reference#SkPreMultiplyARGB' > smaller< / a > < a href = 'SkColor_Reference#SkPreMultiplyARGB' > than< / a > 255,
< a href = 'SkImageInfo_Reference#kPremul_SkAlphaType' > kPremul_SkAlphaType< / a > < a href = 'SkImageInfo_Reference#kPremul_SkAlphaType' > must< / a > < a href = 'SkImageInfo_Reference#kPremul_SkAlphaType' > be< / a > < a href = 'SkImageInfo_Reference#kPremul_SkAlphaType' > used< / a > < a href = 'SkImageInfo_Reference#kPremul_SkAlphaType' > instead< / a > < a href = 'SkImageInfo_Reference#kPremul_SkAlphaType' > to< / a > < a href = 'SkImageInfo_Reference#kPremul_SkAlphaType' > avoid< / a > < a href = 'SkImageInfo_Reference#kPremul_SkAlphaType' > undefined< / a > < a href = 'SkImageInfo_Reference#kPremul_SkAlphaType' > results< / a > .
< a href = 'SkImageInfo_Reference#kPremul_SkAlphaType' > The< / a > < a href = 'SkImageInfo_Reference#kPremul_SkAlphaType' > four< / a > < a href = 'SkImageInfo_Reference#kPremul_SkAlphaType' > displayed< / a > < a href = 'SkImageInfo_Reference#kPremul_SkAlphaType' > values< / a > < a href = 'SkImageInfo_Reference#kPremul_SkAlphaType' > are< / a > < a href = 'SkImageInfo_Reference#kPremul_SkAlphaType' > the< / a > < a href = 'SkImageInfo_Reference#kPremul_SkAlphaType' > original< / a > < a href = 'SkImageInfo_Reference#kPremul_SkAlphaType' > component< / a > < a href = 'SkImageInfo_Reference#kPremul_SkAlphaType' > values< / a > , < a href = 'SkImageInfo_Reference#kPremul_SkAlphaType' > though< / a > < a href = 'SkImageInfo_Reference#kPremul_SkAlphaType' > not< / a > < a href = 'SkImageInfo_Reference#kPremul_SkAlphaType' > necessarily< / a >
< a href = 'SkImageInfo_Reference#kPremul_SkAlphaType' > in< / a > < a href = 'SkImageInfo_Reference#kPremul_SkAlphaType' > the< / a > < a href = 'SkImageInfo_Reference#kPremul_SkAlphaType' > same< / a > < a href = 'SkImageInfo_Reference#kPremul_SkAlphaType' > order< / a > .
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< / div > < / fiddle-embed > < / div >
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< a name = 'Alpha_Type_Premul' > < / a >
---
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Use < a href = 'SkImageInfo_Reference#kPremul_SkAlphaType' > kPremul_SkAlphaType< / a > < a href = 'SkImageInfo_Reference#kPremul_SkAlphaType' > when< / a > < a href = 'SkImageInfo_Reference#kPremul_SkAlphaType' > stored< / a > < a href = 'SkColor_Reference#Color' > color< / a > < a href = 'SkColor_Reference#Color' > components< / a > < a href = 'SkColor_Reference#Color' > are< / a > < a href = 'SkColor_Reference#Color' > the< / a > < a href = 'SkColor_Reference#Color' > original< / a > < a href = 'SkColor_Reference#Color' > color< / a >
< a href = 'SkColor_Reference#Color' > multiplied< / a > < a href = 'SkColor_Reference#Color' > by< / a > < a href = 'SkColor_Reference#Color' > the< / a > < a href = 'SkColor_Reference#Alpha' > alpha< / a > < a href = 'SkColor_Reference#Alpha' > component< / a > . < a href = 'SkColor_Reference#Alpha' > The< / a > < a href = 'SkColor_Reference#Alpha' > alpha< / a > < a href = 'SkColor_Reference#Alpha' > component< / a > < a href = 'SkColor_Reference#Alpha' > range< / a > < a href = 'SkColor_Reference#Alpha' > of< / a > 0.0 < a href = 'SkColor_Reference#Alpha' > to< / a > 1.0 < a href = 'SkColor_Reference#Alpha' > is< / a >
< a href = 'SkColor_Reference#Alpha' > achieved< / a > < a href = 'SkColor_Reference#Alpha' > by< / a > < a href = 'SkColor_Reference#Alpha' > dividing< / a > < a href = 'SkColor_Reference#Alpha' > the< / a > < a href = 'SkColor_Reference#Alpha' > integer< / a > < a href = 'SkColor_Reference#Alpha' > bit< / a > < a href = 'SkColor_Reference#Alpha' > value< / a > < a href = 'SkColor_Reference#Alpha' > by< / a > < a href = 'SkColor_Reference#Alpha' > the< / a > < a href = 'SkColor_Reference#Alpha' > maximum< / a > < a href = 'SkColor_Reference#Alpha' > bit< / a > < a href = 'SkColor_Reference#Alpha' > value< / a > .
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< pre style = "padding: 1em 1em 1em 1em;width: 62.5em; background-color: #f0f0f0 " >
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stored < a href = 'SkColor_Reference#Color' > color< / a > = < a href = 'SkColor_Reference#Color' > original< / a > < a href = 'SkColor_Reference#Color' > color< / a > * < a href = 'SkColor_Reference#Alpha' > alpha< / a > / < a href = 'SkColor_Reference#Alpha' > max< / a > < a href = 'SkColor_Reference#Alpha' > alpha < / a >
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< / pre >
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The < a href = 'SkColor_Reference#Color' > color< / a > < a href = 'SkColor_Reference#Color' > component< / a > < a href = 'SkColor_Reference#Color' > must< / a > < a href = 'SkColor_Reference#Color' > be< / a > < a href = 'SkColor_Reference#Color' > equal< / a > < a href = 'SkColor_Reference#Color' > to< / a > < a href = 'SkColor_Reference#Color' > or< / a > < a href = 'SkColor_Reference#Color' > smaller< / a > < a href = 'SkColor_Reference#Color' > than< / a > < a href = 'SkColor_Reference#Color' > the< / a > < a href = 'SkColor_Reference#Alpha' > alpha< / a > < a href = 'SkColor_Reference#Alpha' > component< / a > ,
< a href = 'SkColor_Reference#Alpha' > or< / a > < a href = 'SkColor_Reference#Alpha' > the< / a > < a href = 'SkColor_Reference#Alpha' > results< / a > < a href = 'SkColor_Reference#Alpha' > are< / a > < a href = 'SkColor_Reference#Alpha' > undefined< / a > .
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### Example
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< div > < fiddle-embed name = "ad696b39c915803d566e96896ec3a36c" > < div > < a href = 'SkColor_Reference#SkPreMultiplyARGB' > SkPreMultiplyARGB< / a > < a href = 'SkColor_Reference#SkPreMultiplyARGB' > parameter< / a > < a href = 'SkColor_Reference#SkPreMultiplyARGB' > a< / a > < a href = 'SkColor_Reference#SkPreMultiplyARGB' > is< / a > < a href = 'SkColor_Reference#SkPreMultiplyARGB' > set< / a > < a href = 'SkColor_Reference#SkPreMultiplyARGB' > to< / a > 150, < a href = 'SkColor_Reference#SkPreMultiplyARGB' > less< / a > < a href = 'SkColor_Reference#SkPreMultiplyARGB' > than< / a > < a href = 'SkColor_Reference#SkPreMultiplyARGB' > its< / a > < a href = 'SkColor_Reference#SkPreMultiplyARGB' > maximum< / a > < a href = 'SkColor_Reference#SkPreMultiplyARGB' > value< / a > , < a href = 'SkColor_Reference#SkPreMultiplyARGB' > and< / a > < a href = 'SkColor_Reference#SkPreMultiplyARGB' > is< / a >
< a href = 'SkColor_Reference#SkPreMultiplyARGB' > interpreted< / a > < a href = 'SkColor_Reference#SkPreMultiplyARGB' > as< / a > < a href = '#Color_Alpha' > Color_Alpha< / a > < a href = '#Color_Alpha' > of< / a > < a href = '#Color_Alpha' > about< / a > 0.6. < a href = 'SkImageInfo_Reference#kPremul_SkAlphaType' > kPremul_SkAlphaType< / a > < a href = 'SkImageInfo_Reference#kPremul_SkAlphaType' > must< / a > < a href = 'SkImageInfo_Reference#kPremul_SkAlphaType' > be< / a > < a href = 'SkImageInfo_Reference#kPremul_SkAlphaType' > set< / a > , < a href = 'SkImageInfo_Reference#kPremul_SkAlphaType' > since< / a >
< a href = 'SkColor_Reference#SkPreMultiplyARGB' > SkPreMultiplyARGB< / a > < a href = 'SkColor_Reference#SkPreMultiplyARGB' > parameter< / a > < a href = 'SkColor_Reference#SkPreMultiplyARGB' > a< / a > < a href = 'SkColor_Reference#SkPreMultiplyARGB' > is< / a > < a href = 'SkColor_Reference#SkPreMultiplyARGB' > set< / a > < a href = 'SkColor_Reference#SkPreMultiplyARGB' > to< / a > < a href = 'SkColor_Reference#SkPreMultiplyARGB' > a< / a > < a href = 'SkColor_Reference#SkPreMultiplyARGB' > value< / a > < a href = 'SkColor_Reference#SkPreMultiplyARGB' > smaller< / a > < a href = 'SkColor_Reference#SkPreMultiplyARGB' > than< / a > 255,
< a href = 'SkColor_Reference#SkPreMultiplyARGB' > to< / a > < a href = 'SkColor_Reference#SkPreMultiplyARGB' > avoid< / a > < a href = 'SkColor_Reference#SkPreMultiplyARGB' > undefined< / a > < a href = 'SkColor_Reference#SkPreMultiplyARGB' > results< / a > .
< a href = 'SkColor_Reference#SkPreMultiplyARGB' > The< / a > < a href = 'SkColor_Reference#SkPreMultiplyARGB' > four< / a > < a href = 'SkColor_Reference#SkPreMultiplyARGB' > displayed< / a > < a href = 'SkColor_Reference#SkPreMultiplyARGB' > values< / a > < a href = 'SkColor_Reference#SkPreMultiplyARGB' > reflect< / a > < a href = 'SkColor_Reference#SkPreMultiplyARGB' > that< / a > < a href = 'SkColor_Reference#SkPreMultiplyARGB' > the< / a > < a href = 'SkColor_Reference#Alpha' > alpha< / a > < a href = 'SkColor_Reference#Alpha' > component< / a > < a href = 'SkColor_Reference#Alpha' > has< / a > < a href = 'SkColor_Reference#Alpha' > been< / a > < a href = 'SkColor_Reference#Alpha' > multiplied< / a >
< a href = 'SkColor_Reference#Alpha' > by< / a > < a href = 'SkColor_Reference#Alpha' > the< / a > < a href = 'SkColor_Reference#Alpha' > original< / a > < a href = 'SkColor_Reference#Color' > color< / a > .
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< / div > < / fiddle-embed > < / div >
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< a name = 'Alpha_Type_Unpremul' > < / a >
---
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Use < a href = 'SkImageInfo_Reference#kUnpremul_SkAlphaType' > kUnpremul_SkAlphaType< / a > < a href = 'SkImageInfo_Reference#kUnpremul_SkAlphaType' > if< / a > < a href = 'SkImageInfo_Reference#kUnpremul_SkAlphaType' > stored< / a > < a href = 'SkColor_Reference#Color' > color< / a > < a href = 'SkColor_Reference#Color' > components< / a > < a href = 'SkColor_Reference#Color' > are< / a > < a href = 'SkColor_Reference#Color' > not< / a > < a href = 'SkColor_Reference#Color' > divided< / a > < a href = 'SkColor_Reference#Color' > by< / a > < a href = 'SkColor_Reference#Color' > the< / a >
< a href = 'SkColor_Reference#Alpha' > alpha< / a > < a href = 'SkColor_Reference#Alpha' > component< / a > . < a href = 'SkColor_Reference#Alpha' > Some< / a > < a href = 'SkColor_Reference#Alpha' > drawing< / a > < a href = 'SkColor_Reference#Alpha' > destinations< / a > < a href = 'SkColor_Reference#Alpha' > may< / a > < a href = 'SkColor_Reference#Alpha' > not< / a > < a href = 'SkColor_Reference#Alpha' > support< / a >
< a href = 'SkImageInfo_Reference#kUnpremul_SkAlphaType' > kUnpremul_SkAlphaType< / a > .
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### Example
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< div > < fiddle-embed name = "b8216a9e5ff5bc61a0e46eba7d36307b" > < div > < a href = 'SkColor_Reference#SkColorSetARGB' > SkColorSetARGB< / a > < a href = 'SkColor_Reference#SkColorSetARGB' > parameter< / a > < a href = 'SkColor_Reference#SkColorSetARGB' > a< / a > < a href = 'SkColor_Reference#SkColorSetARGB' > is< / a > < a href = 'SkColor_Reference#SkColorSetARGB' > set< / a > < a href = 'SkColor_Reference#SkColorSetARGB' > to< / a > 150, < a href = 'SkColor_Reference#SkColorSetARGB' > less< / a > < a href = 'SkColor_Reference#SkColorSetARGB' > than< / a > < a href = 'SkColor_Reference#SkColorSetARGB' > its< / a > < a href = 'SkColor_Reference#SkColorSetARGB' > maximum< / a > < a href = 'SkColor_Reference#SkColorSetARGB' > value< / a > , < a href = 'SkColor_Reference#SkColorSetARGB' > and< / a > < a href = 'SkColor_Reference#SkColorSetARGB' > is< / a >
< a href = 'SkColor_Reference#SkColorSetARGB' > interpreted< / a > < a href = 'SkColor_Reference#SkColorSetARGB' > as< / a > < a href = '#Color_Alpha' > Color_Alpha< / a > < a href = '#Color_Alpha' > of< / a > < a href = '#Color_Alpha' > about< / a > 0.6. < a href = 'SkColor_Reference#Color' > color< / a > < a href = 'SkColor_Reference#Color' > is< / a > < a href = 'SkColor_Reference#Color' > not< / a > < a href = 'undocumented#Premultiply' > Premultiplied< / a > ;
< a href = 'SkColor_Reference#Color' > color< / a > < a href = 'SkColor_Reference#Color' > components< / a > < a href = 'SkColor_Reference#Color' > may< / a > < a href = 'SkColor_Reference#Color' > have< / a > < a href = 'SkColor_Reference#Color' > values< / a > < a href = 'SkColor_Reference#Color' > greater< / a > < a href = 'SkColor_Reference#Color' > than< / a > < a href = 'SkColor_Reference#Color' > color alpha< / a > .
< a href = 'SkColor_Reference#Color' > The< / a > < a href = 'SkColor_Reference#Color' > four< / a > < a href = 'SkColor_Reference#Color' > displayed< / a > < a href = 'SkColor_Reference#Color' > values< / a > < a href = 'SkColor_Reference#Color' > are< / a > < a href = 'SkColor_Reference#Color' > the< / a > < a href = 'SkColor_Reference#Color' > original< / a > < a href = 'SkColor_Reference#Color' > component< / a > < a href = 'SkColor_Reference#Color' > values< / a > , < a href = 'SkColor_Reference#Color' > though< / a > < a href = 'SkColor_Reference#Color' > not< / a > < a href = 'SkColor_Reference#Color' > necessarily< / a >
< a href = 'SkColor_Reference#Color' > in< / a > < a href = 'SkColor_Reference#Color' > the< / a > < a href = 'SkColor_Reference#Color' > same< / a > < a href = 'SkColor_Reference#Color' > order< / a > .
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< / div > < / fiddle-embed > < / div >
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< a name = 'SkAlphaTypeIsOpaque' > < / a >
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---
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< pre style = "padding: 1em 1em 1em 1em; width: 62.5em;background-color: #f0f0f0 " >
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static inline bool < a href = 'SkImageInfo_Reference#SkAlphaTypeIsOpaque' > SkAlphaTypeIsOpaque< / a > (< a href = 'SkImageInfo_Reference#SkAlphaType' > SkAlphaType< / a > < a href = 'SkImageInfo_Reference#SkAlphaType' > at< / a > )
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< / pre >
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Returns true if < a href = 'SkImageInfo_Reference#SkAlphaType' > SkAlphaType< / a > < a href = 'SkImageInfo_Reference#SkAlphaType' > equals< / a > < a href = 'SkImageInfo_Reference#kOpaque_SkAlphaType' > kOpaque_SkAlphaType< / a > . < a href = 'SkImageInfo_Reference#kOpaque_SkAlphaType' > kOpaque_SkAlphaType< / a > < a href = 'SkImageInfo_Reference#kOpaque_SkAlphaType' > is< / a > < a href = 'SkImageInfo_Reference#kOpaque_SkAlphaType' > a< / a >
hint that the < a href = 'SkImageInfo_Reference#SkColorType' > SkColorType< / a > < a href = 'SkImageInfo_Reference#SkColorType' > is< / a > < a href = 'SkImageInfo_Reference#SkColorType' > opaque< / a > , < a href = 'SkImageInfo_Reference#SkColorType' > or< / a > < a href = 'SkImageInfo_Reference#SkColorType' > that< / a > < a href = 'SkImageInfo_Reference#SkColorType' > all< / a > < a href = 'SkColor_Reference#Alpha' > alpha< / a > < a href = 'SkColor_Reference#Alpha' > values< / a > < a href = 'SkColor_Reference#Alpha' > are< / a > < a href = 'SkColor_Reference#Alpha' > set< / a > < a href = 'SkColor_Reference#Alpha' > to< / a >
their 1.0 equivalent. If < a href = 'SkImageInfo_Reference#SkAlphaType' > SkAlphaType< / a > < a href = 'SkImageInfo_Reference#SkAlphaType' > is< / a > < a href = 'SkImageInfo_Reference#kOpaque_SkAlphaType' > kOpaque_SkAlphaType< / a > , < a href = 'SkImageInfo_Reference#kOpaque_SkAlphaType' > and< / a > < a href = 'SkImageInfo_Reference#SkColorType' > SkColorType< / a > < a href = 'SkImageInfo_Reference#SkColorType' > is< / a > < a href = 'SkImageInfo_Reference#SkColorType' > not< / a >
opaque, then the result of drawing any < a href = 'undocumented#Pixel' > pixel< / a > < a href = 'undocumented#Pixel' > with< / a > < a href = 'undocumented#Pixel' > a< / a > < a href = 'SkColor_Reference#Alpha' > alpha< / a > < a href = 'SkColor_Reference#Alpha' > value< / a > < a href = 'SkColor_Reference#Alpha' > less< / a > < a href = 'SkColor_Reference#Alpha' > than< / a >
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1.0 is undefined.
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### Parameters
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< table > < tr > < td > < a name = 'SkAlphaTypeIsOpaque_at' > < code > < strong > at< / strong > < / code > < / a > < / td >
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< td > one of:< / td >
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< / tr >
< / table >
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< a href = 'SkImageInfo_Reference#kUnknown_SkAlphaType' > kUnknown_SkAlphaType< / a > , < a href = 'SkImageInfo_Reference#kOpaque_SkAlphaType' > kOpaque_SkAlphaType< / a > , < a href = 'SkImageInfo_Reference#kPremul_SkAlphaType' > kPremul_SkAlphaType< / a > ,
< a href = 'SkImageInfo_Reference#kUnpremul_SkAlphaType' > kUnpremul_SkAlphaType< / a >
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### Return Value
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true if < a href = '#SkAlphaTypeIsOpaque_at' > at< / a > < a href = '#SkAlphaTypeIsOpaque_at' > equals< / a > < a href = 'SkImageInfo_Reference#kOpaque_SkAlphaType' > kOpaque_SkAlphaType< / a >
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< a name = 'Color_Type' > < / a >
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< a name = 'SkColorType' > < / a >
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---
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< pre style = "padding: 1em 1em 1em 1em;width: 62.5em; background-color: #f0f0f0 " >
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enum < a href = 'SkImageInfo_Reference#SkColorType' > SkColorType< / a > {
< a href = 'SkImageInfo_Reference#kUnknown_SkColorType' > kUnknown_SkColorType< / a > ,
< a href = 'SkImageInfo_Reference#kAlpha_8_SkColorType' > kAlpha_8_SkColorType< / a > ,
< a href = 'SkImageInfo_Reference#kRGB_565_SkColorType' > kRGB_565_SkColorType< / a > ,
< a href = 'SkImageInfo_Reference#kARGB_4444_SkColorType' > kARGB_4444_SkColorType< / a > ,
< a href = 'SkImageInfo_Reference#kRGBA_8888_SkColorType' > kRGBA_8888_SkColorType< / a > ,
< a href = 'SkImageInfo_Reference#kRGB_888x_SkColorType' > kRGB_888x_SkColorType< / a > ,
< a href = 'SkImageInfo_Reference#kBGRA_8888_SkColorType' > kBGRA_8888_SkColorType< / a > ,
< a href = 'SkImageInfo_Reference#kRGBA_1010102_SkColorType' > kRGBA_1010102_SkColorType< / a > ,
< a href = 'SkImageInfo_Reference#kRGB_101010x_SkColorType' > kRGB_101010x_SkColorType< / a > ,
< a href = 'SkImageInfo_Reference#kGray_8_SkColorType' > kGray_8_SkColorType< / a > ,
< a href = 'SkImageInfo_Reference#kRGBA_F16_SkColorType' > kRGBA_F16_SkColorType< / a > ,
< a href = 'SkImageInfo_Reference#kRGBA_F32_SkColorType' > kRGBA_F32_SkColorType< / a > ,
< a href = 'SkImageInfo_Reference#kLastEnum_SkColorType' > kLastEnum_SkColorType< / a > = < a href = 'SkImageInfo_Reference#kRGBA_F32_SkColorType' > kRGBA_F32_SkColorType< / a > ,
< a href = 'SkImageInfo_Reference#kN32_SkColorType' > kN32_SkColorType< / a > = < a href = 'SkImageInfo_Reference#kBGRA_8888_SkColorType' > kBGRA_8888_SkColorType< / a > ,
< a href = 'SkImageInfo_Reference#kN32_SkColorType' > kN32_SkColorType< / a > = < a href = 'SkImageInfo_Reference#kRGBA_8888_SkColorType' > kRGBA_8888_SkColorType< / a > ,
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};
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< / pre >
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Describes how < a href = 'undocumented#Pixel' > pixel< / a > < a href = 'undocumented#Pixel' > bits< / a > < a href = 'undocumented#Pixel' > encode< / a > < a href = 'SkColor_Reference#Color' > color< / a > . < a href = 'SkColor_Reference#Color' > A< / a > < a href = 'undocumented#Pixel' > pixel< / a > < a href = 'undocumented#Pixel' > may< / a > < a href = 'undocumented#Pixel' > be< / a > < a href = 'undocumented#Pixel' > an< / a > < a href = 'SkColor_Reference#Alpha' > alpha< / a > < a href = 'SkColor_Reference#Alpha' > mask< / a > , < a href = 'SkColor_Reference#Alpha' > a< / a >
< a href = 'SkColor_Reference#Alpha' > grayscale< / a > , < a href = 'SkColor_Reference#Alpha' > RGB< / a > , < a href = 'SkColor_Reference#Alpha' > or< / a > < a href = 'SkColor_Reference#Alpha' > ARGB< / a > .
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< a href = 'SkImageInfo_Reference#kN32_SkColorType' > kN32_SkColorType< / a > < a href = 'SkImageInfo_Reference#kN32_SkColorType' > selects< / a > < a href = 'SkImageInfo_Reference#kN32_SkColorType' > the< / a > < a href = 'SkImageInfo_Reference#kN32_SkColorType' > native< / a > 32-< a href = 'SkImageInfo_Reference#kN32_SkColorType' > bit< / a > < a href = 'SkImageInfo_Reference#kN32_SkColorType' > ARGB< / a > < a href = 'SkImageInfo_Reference#kN32_SkColorType' > format< / a > . < a href = 'SkImageInfo_Reference#kN32_SkColorType' > On< / a > < a href = '#Little_Endian' > Little_Endian< / a >
< a href = '#Little_Endian' > processors< / a > , < a href = '#Little_Endian' > pixels< / a > < a href = '#Little_Endian' > containing< / a > 8-< a href = '#Little_Endian' > bit< / a > < a href = '#Little_Endian' > ARGB< / a > < a href = '#Little_Endian' > components< / a > < a href = '#Little_Endian' > pack< / a > < a href = '#Little_Endian' > into< / a > 32-< a href = '#Little_Endian' > bit< / a >
< a href = 'SkImageInfo_Reference#kBGRA_8888_SkColorType' > kBGRA_8888_SkColorType< / a > . < a href = 'SkImageInfo_Reference#kBGRA_8888_SkColorType' > On< / a > < a href = '#Big_Endian' > Big_Endian< / a > < a href = '#Big_Endian' > processors< / a > , < a href = '#Big_Endian' > pixels< / a > < a href = '#Big_Endian' > pack< / a > < a href = '#Big_Endian' > into< / a > 32-< a href = '#Big_Endian' > bit< / a >
< a href = 'SkImageInfo_Reference#kRGBA_8888_SkColorType' > kRGBA_8888_SkColorType< / a > .
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### Constants
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< table style = 'border-collapse: collapse; width: 62.5em' >
< tr >< th style = 'text-align: left; border: 2px solid #dddddd ; padding: 8px; ' > Const</ th >
< th style = 'text-align: center; border: 2px solid #dddddd ; padding: 8px; ' > Value</ th >
< th style = 'text-align: left; border: 2px solid #dddddd ; padding: 8px; ' > Details</ th >
< th style = 'text-align: left; border: 2px solid #dddddd ; padding: 8px; ' > Description</ th ></ tr >
< tr style = 'background-color: #f0f0f0 ; ' >
< td style = 'text-align: left; border: 2px solid #dddddd ; padding: 8px; ' >< a name = 'kUnknown_SkColorType' >< code > kUnknown_SkColorType</ code ></ a ></ td >
< td style = 'text-align: center; border: 2px solid #dddddd ; padding: 8px; ' > 0</ td >
< td style = 'text-align: left; border: 2px solid #dddddd ; padding: 8px; ' ></ td >
< td style = 'text-align: left; border: 2px solid #dddddd ; padding: 8px; ' >
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< a href = '#Image_Info_Color_Type' > Color_Type< / a > < a href = '#Image_Info_Color_Type' > is< / a > < a href = '#Image_Info_Color_Type' > set< / a > < a href = '#Image_Info_Color_Type' > to< / a > < a href = 'SkImageInfo_Reference#kUnknown_SkColorType' > kUnknown_SkColorType< / a > < a href = 'SkImageInfo_Reference#kUnknown_SkColorType' > by< / a > < a href = 'SkImageInfo_Reference#kUnknown_SkColorType' > default< / a > . < a href = 'SkImageInfo_Reference#kUnknown_SkColorType' > If< / a > < a href = 'SkImageInfo_Reference#kUnknown_SkColorType' > set< / a > ,
< a href = 'SkImageInfo_Reference#kUnknown_SkColorType' > encoding< / a > < a href = 'SkImageInfo_Reference#kUnknown_SkColorType' > format< / a > < a href = 'SkImageInfo_Reference#kUnknown_SkColorType' > and< / a > < a href = 'undocumented#Size' > size< / a > < a href = 'undocumented#Size' > is< / a > < a href = 'undocumented#Size' > unknown< / a > .
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< / td >
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< / tr >
< tr >
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< td style = 'text-align: left; border: 2px solid #dddddd ; padding: 8px; ' >< a name = 'kAlpha_8_SkColorType' >< code > kAlpha_8_SkColorType</ code ></ a ></ td >
< td style = 'text-align: center; border: 2px solid #dddddd ; padding: 8px; ' > 1</ td >
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< td style = 'text-align: left; border: 2px solid #dddddd ; padding: 8px; ' >< a href = '#Alpha_8' > Alpha 8</ a > </ td >
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< td style = 'text-align: left; border: 2px solid #dddddd ; padding: 8px; ' >
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Stores 8-bit byte < a href = 'undocumented#Pixel' > pixel< / a > < a href = 'undocumented#Pixel' > encoding< / a > < a href = 'undocumented#Pixel' > that< / a > < a href = 'undocumented#Pixel' > represents< / a > < a href = 'undocumented#Pixel' > transparency< / a > . < a href = 'undocumented#Pixel' > Value< / a > < a href = 'undocumented#Pixel' > of< / a > < a href = 'undocumented#Pixel' > zero< / a >
< a href = 'undocumented#Pixel' > is< / a > < a href = 'undocumented#Pixel' > completely< / a > < a href = 'undocumented#Pixel' > transparent< / a > ; < a href = 'undocumented#Pixel' > a< / a > < a href = 'undocumented#Pixel' > value< / a > < a href = 'undocumented#Pixel' > of< / a > 255 < a href = 'undocumented#Pixel' > is< / a > < a href = 'undocumented#Pixel' > completely< / a > < a href = 'undocumented#Pixel' > opaque< / a > .
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< / td >
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< / tr >
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< tr style = 'background-color: #f0f0f0 ; ' >
< td style = 'text-align: left; border: 2px solid #dddddd ; padding: 8px; ' >< a name = 'kRGB_565_SkColorType' >< code > kRGB_565_SkColorType</ code ></ a ></ td >
< td style = 'text-align: center; border: 2px solid #dddddd ; padding: 8px; ' > 2</ td >
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< td style = 'text-align: left; border: 2px solid #dddddd ; padding: 8px; ' >< a href = '#RGB_565' > RGB 565</ a > </ td >
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< td style = 'text-align: left; border: 2px solid #dddddd ; padding: 8px; ' >
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Stores 16-bit word < a href = 'undocumented#Pixel' > pixel< / a > < a href = 'undocumented#Pixel' > encoding< / a > < a href = 'undocumented#Pixel' > that< / a > < a href = 'undocumented#Pixel' > contains< / a > < a href = 'undocumented#Pixel' > five< / a > < a href = 'undocumented#Pixel' > bits< / a > < a href = 'undocumented#Pixel' > of< / a > < a href = 'undocumented#Pixel' > blue< / a > ,
< a href = 'undocumented#Pixel' > six< / a > < a href = 'undocumented#Pixel' > bits< / a > < a href = 'undocumented#Pixel' > of< / a > < a href = 'undocumented#Pixel' > green< / a > , < a href = 'undocumented#Pixel' > and< / a > < a href = 'undocumented#Pixel' > five< / a > < a href = 'undocumented#Pixel' > bits< / a > < a href = 'undocumented#Pixel' > of< / a > < a href = 'undocumented#Pixel' > red< / a > .
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< / td >
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< / tr >
< tr >
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< td style = 'text-align: left; border: 2px solid #dddddd ; padding: 8px; ' >< a name = 'kARGB_4444_SkColorType' >< code > kARGB_4444_SkColorType</ code ></ a ></ td >
< td style = 'text-align: center; border: 2px solid #dddddd ; padding: 8px; ' > 3</ td >
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< td style = 'text-align: left; border: 2px solid #dddddd ; padding: 8px; ' >< a href = '#ARGB_4444' > ARGB 4444</ a > </ td >
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< td style = 'text-align: left; border: 2px solid #dddddd ; padding: 8px; ' >
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Stores 16-bit word < a href = 'undocumented#Pixel' > pixel< / a > < a href = 'undocumented#Pixel' > encoding< / a > < a href = 'undocumented#Pixel' > that< / a > < a href = 'undocumented#Pixel' > contains< / a > < a href = 'undocumented#Pixel' > four< / a > < a href = 'undocumented#Pixel' > bits< / a > < a href = 'undocumented#Pixel' > of< / a > < a href = 'SkColor_Reference#Alpha' > alpha< / a > ,
< a href = 'SkColor_Reference#Alpha' > four< / a > < a href = 'SkColor_Reference#Alpha' > bits< / a > < a href = 'SkColor_Reference#Alpha' > of< / a > < a href = 'SkColor_Reference#Alpha' > blue< / a > , < a href = 'SkColor_Reference#Alpha' > four< / a > < a href = 'SkColor_Reference#Alpha' > bits< / a > < a href = 'SkColor_Reference#Alpha' > of< / a > < a href = 'SkColor_Reference#Alpha' > green< / a > , < a href = 'SkColor_Reference#Alpha' > and< / a > < a href = 'SkColor_Reference#Alpha' > four< / a > < a href = 'SkColor_Reference#Alpha' > bits< / a > < a href = 'SkColor_Reference#Alpha' > of< / a > < a href = 'SkColor_Reference#Alpha' > red< / a > .
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< / td >
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< / tr >
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< tr style = 'background-color: #f0f0f0 ; ' >
< td style = 'text-align: left; border: 2px solid #dddddd ; padding: 8px; ' >< a name = 'kRGBA_8888_SkColorType' >< code > kRGBA_8888_SkColorType</ code ></ a ></ td >
< td style = 'text-align: center; border: 2px solid #dddddd ; padding: 8px; ' > 4</ td >
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< td style = 'text-align: left; border: 2px solid #dddddd ; padding: 8px; ' >< a href = '#RGBA_8888' > RGBA 8888</ a > </ td >
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< td style = 'text-align: left; border: 2px solid #dddddd ; padding: 8px; ' >
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Stores 32-bit word < a href = 'undocumented#Pixel' > pixel< / a > < a href = 'undocumented#Pixel' > encoding< / a > < a href = 'undocumented#Pixel' > that< / a > < a href = 'undocumented#Pixel' > contains< / a > < a href = 'undocumented#Pixel' > eight< / a > < a href = 'undocumented#Pixel' > bits< / a > < a href = 'undocumented#Pixel' > of< / a > < a href = 'undocumented#Pixel' > red< / a > ,
< a href = 'undocumented#Pixel' > eight< / a > < a href = 'undocumented#Pixel' > bits< / a > < a href = 'undocumented#Pixel' > of< / a > < a href = 'undocumented#Pixel' > green< / a > , < a href = 'undocumented#Pixel' > eight< / a > < a href = 'undocumented#Pixel' > bits< / a > < a href = 'undocumented#Pixel' > of< / a > < a href = 'undocumented#Pixel' > blue< / a > , < a href = 'undocumented#Pixel' > and< / a > < a href = 'undocumented#Pixel' > eight< / a > < a href = 'undocumented#Pixel' > bits< / a > < a href = 'undocumented#Pixel' > of< / a > < a href = 'SkColor_Reference#Alpha' > alpha< / a > .
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< / td >
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< / tr >
< tr >
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< td style = 'text-align: left; border: 2px solid #dddddd ; padding: 8px; ' >< a name = 'kRGB_888x_SkColorType' >< code > kRGB_888x_SkColorType</ code ></ a ></ td >
< td style = 'text-align: center; border: 2px solid #dddddd ; padding: 8px; ' > 5</ td >
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< td style = 'text-align: left; border: 2px solid #dddddd ; padding: 8px; ' >< a href = '#RGB_888' > RGB 888</ a > </ td >
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< td style = 'text-align: left; border: 2px solid #dddddd ; padding: 8px; ' >
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Stores 32-bit word < a href = 'undocumented#Pixel' > pixel< / a > < a href = 'undocumented#Pixel' > encoding< / a > < a href = 'undocumented#Pixel' > that< / a > < a href = 'undocumented#Pixel' > contains< / a > < a href = 'undocumented#Pixel' > eight< / a > < a href = 'undocumented#Pixel' > bits< / a > < a href = 'undocumented#Pixel' > of< / a > < a href = 'undocumented#Pixel' > red< / a > ,
< a href = 'undocumented#Pixel' > eight< / a > < a href = 'undocumented#Pixel' > bits< / a > < a href = 'undocumented#Pixel' > of< / a > < a href = 'undocumented#Pixel' > green< / a > , < a href = 'undocumented#Pixel' > eight< / a > < a href = 'undocumented#Pixel' > bits< / a > < a href = 'undocumented#Pixel' > of< / a > < a href = 'undocumented#Pixel' > blue< / a > , < a href = 'undocumented#Pixel' > and< / a > < a href = 'undocumented#Pixel' > eight< / a > < a href = 'undocumented#Pixel' > unused< / a > < a href = 'undocumented#Pixel' > bits< / a > .
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< / td >
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< / tr >
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< tr style = 'background-color: #f0f0f0 ; ' >
< td style = 'text-align: left; border: 2px solid #dddddd ; padding: 8px; ' >< a name = 'kBGRA_8888_SkColorType' >< code > kBGRA_8888_SkColorType</ code ></ a ></ td >
< td style = 'text-align: center; border: 2px solid #dddddd ; padding: 8px; ' > 6</ td >
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< td style = 'text-align: left; border: 2px solid #dddddd ; padding: 8px; ' >< a href = '#BGRA_8888' > BGRA 8888</ a > </ td >
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< td style = 'text-align: left; border: 2px solid #dddddd ; padding: 8px; ' >
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Stores 32-bit word < a href = 'undocumented#Pixel' > pixel< / a > < a href = 'undocumented#Pixel' > encoding< / a > < a href = 'undocumented#Pixel' > that< / a > < a href = 'undocumented#Pixel' > contains< / a > < a href = 'undocumented#Pixel' > eight< / a > < a href = 'undocumented#Pixel' > bits< / a > < a href = 'undocumented#Pixel' > of< / a > < a href = 'undocumented#Pixel' > blue< / a > ,
< a href = 'undocumented#Pixel' > eight< / a > < a href = 'undocumented#Pixel' > bits< / a > < a href = 'undocumented#Pixel' > of< / a > < a href = 'undocumented#Pixel' > green< / a > , < a href = 'undocumented#Pixel' > eight< / a > < a href = 'undocumented#Pixel' > bits< / a > < a href = 'undocumented#Pixel' > of< / a > < a href = 'undocumented#Pixel' > red< / a > , < a href = 'undocumented#Pixel' > and< / a > < a href = 'undocumented#Pixel' > eight< / a > < a href = 'undocumented#Pixel' > bits< / a > < a href = 'undocumented#Pixel' > of< / a > < a href = 'SkColor_Reference#Alpha' > alpha< / a > .
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< / td >
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< / tr >
< tr >
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< td style = 'text-align: left; border: 2px solid #dddddd ; padding: 8px; ' >< a name = 'kRGBA_1010102_SkColorType' >< code > kRGBA_1010102_SkColorType</ code ></ a ></ td >
< td style = 'text-align: center; border: 2px solid #dddddd ; padding: 8px; ' > 7</ td >
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< td style = 'text-align: left; border: 2px solid #dddddd ; padding: 8px; ' >< a href = '#RGBA_1010102' > RGBA 1010102</ a > </ td >
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< td style = 'text-align: left; border: 2px solid #dddddd ; padding: 8px; ' >
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Stores 32-bit word < a href = 'undocumented#Pixel' > pixel< / a > < a href = 'undocumented#Pixel' > encoding< / a > < a href = 'undocumented#Pixel' > that< / a > < a href = 'undocumented#Pixel' > contains< / a > < a href = 'undocumented#Pixel' > ten< / a > < a href = 'undocumented#Pixel' > bits< / a > < a href = 'undocumented#Pixel' > of< / a > < a href = 'undocumented#Pixel' > red< / a > ,
< a href = 'undocumented#Pixel' > ten< / a > < a href = 'undocumented#Pixel' > bits< / a > < a href = 'undocumented#Pixel' > of< / a > < a href = 'undocumented#Pixel' > green< / a > , < a href = 'undocumented#Pixel' > ten< / a > < a href = 'undocumented#Pixel' > bits< / a > < a href = 'undocumented#Pixel' > of< / a > < a href = 'undocumented#Pixel' > blue< / a > , < a href = 'undocumented#Pixel' > and< / a > < a href = 'undocumented#Pixel' > two< / a > < a href = 'undocumented#Pixel' > bits< / a > < a href = 'undocumented#Pixel' > of< / a > < a href = 'SkColor_Reference#Alpha' > alpha< / a > .
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< / td >
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< / tr >
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< tr style = 'background-color: #f0f0f0 ; ' >
< td style = 'text-align: left; border: 2px solid #dddddd ; padding: 8px; ' >< a name = 'kRGB_101010x_SkColorType' >< code > kRGB_101010x_SkColorType</ code ></ a ></ td >
< td style = 'text-align: center; border: 2px solid #dddddd ; padding: 8px; ' > 8</ td >
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< td style = 'text-align: left; border: 2px solid #dddddd ; padding: 8px; ' >< a href = '#RGB_101010' > RGB 101010</ a > </ td >
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< td style = 'text-align: left; border: 2px solid #dddddd ; padding: 8px; ' >
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Stores 32-bit word < a href = 'undocumented#Pixel' > pixel< / a > < a href = 'undocumented#Pixel' > encoding< / a > < a href = 'undocumented#Pixel' > that< / a > < a href = 'undocumented#Pixel' > contains< / a > < a href = 'undocumented#Pixel' > ten< / a > < a href = 'undocumented#Pixel' > bits< / a > < a href = 'undocumented#Pixel' > of< / a > < a href = 'undocumented#Pixel' > red< / a > ,
< a href = 'undocumented#Pixel' > ten< / a > < a href = 'undocumented#Pixel' > bits< / a > < a href = 'undocumented#Pixel' > of< / a > < a href = 'undocumented#Pixel' > green< / a > , < a href = 'undocumented#Pixel' > ten< / a > < a href = 'undocumented#Pixel' > bits< / a > < a href = 'undocumented#Pixel' > of< / a > < a href = 'undocumented#Pixel' > blue< / a > , < a href = 'undocumented#Pixel' > and< / a > < a href = 'undocumented#Pixel' > two< / a > < a href = 'undocumented#Pixel' > unused< / a > < a href = 'undocumented#Pixel' > bits< / a > .
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< / td >
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< / tr >
< tr >
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< td style = 'text-align: left; border: 2px solid #dddddd ; padding: 8px; ' >< a name = 'kGray_8_SkColorType' >< code > kGray_8_SkColorType</ code ></ a ></ td >
< td style = 'text-align: center; border: 2px solid #dddddd ; padding: 8px; ' > 9</ td >
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< td style = 'text-align: left; border: 2px solid #dddddd ; padding: 8px; ' >< a href = '#Gray_8' > Gray 8</ a > </ td >
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< td style = 'text-align: left; border: 2px solid #dddddd ; padding: 8px; ' >
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Stores 8-bit byte < a href = 'undocumented#Pixel' > pixel< / a > < a href = 'undocumented#Pixel' > encoding< / a > < a href = 'undocumented#Pixel' > that< / a > < a href = 'undocumented#Pixel' > equivalent< / a > < a href = 'undocumented#Pixel' > to< / a > < a href = 'undocumented#Pixel' > equal< / a > < a href = 'undocumented#Pixel' > values< / a > < a href = 'undocumented#Pixel' > for< / a > < a href = 'undocumented#Pixel' > red< / a > ,
< a href = 'undocumented#Pixel' > blue< / a > , < a href = 'undocumented#Pixel' > and< / a > < a href = 'undocumented#Pixel' > green< / a > , < a href = 'undocumented#Pixel' > representing< / a > < a href = 'undocumented#Pixel' > colors< / a > < a href = 'undocumented#Pixel' > from< / a > < a href = 'undocumented#Pixel' > black< / a > < a href = 'undocumented#Pixel' > to< / a > < a href = 'undocumented#Pixel' > white< / a > .
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< / td >
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< / tr >
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< tr style = 'background-color: #f0f0f0 ; ' >
< td style = 'text-align: left; border: 2px solid #dddddd ; padding: 8px; ' >< a name = 'kRGBA_F16_SkColorType' >< code > kRGBA_F16_SkColorType</ code ></ a ></ td >
< td style = 'text-align: center; border: 2px solid #dddddd ; padding: 8px; ' > 10</ td >
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< td style = 'text-align: left; border: 2px solid #dddddd ; padding: 8px; ' >< a href = '#RGBA_F16' > RGBA F16</ a > </ td >
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< td style = 'text-align: left; border: 2px solid #dddddd ; padding: 8px; ' >
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Stores 64-bit word < a href = 'undocumented#Pixel' > pixel< / a > < a href = 'undocumented#Pixel' > encoding< / a > < a href = 'undocumented#Pixel' > that< / a > < a href = 'undocumented#Pixel' > contains< / a > 16 < a href = 'undocumented#Pixel' > bits< / a > < a href = 'undocumented#Pixel' > of< / a > < a href = 'undocumented#Pixel' > blue< / a > ,
16 < a href = 'undocumented#Pixel' > bits< / a > < a href = 'undocumented#Pixel' > of< / a > < a href = 'undocumented#Pixel' > green< / a > , 16 < a href = 'undocumented#Pixel' > bits< / a > < a href = 'undocumented#Pixel' > of< / a > < a href = 'undocumented#Pixel' > red< / a > , < a href = 'undocumented#Pixel' > and< / a > 16 < a href = 'undocumented#Pixel' > bits< / a > < a href = 'undocumented#Pixel' > of< / a > < a href = 'SkColor_Reference#Alpha' > alpha< / a > . < a href = 'SkColor_Reference#Alpha' > Each< / a > < a href = 'SkColor_Reference#Alpha' > component< / a >
< a href = 'SkColor_Reference#Alpha' > is< / a > < a href = 'SkColor_Reference#Alpha' > encoded< / a > < a href = 'SkColor_Reference#Alpha' > as< / a > < a href = 'SkColor_Reference#Alpha' > a< / a > < a href = 'SkColor_Reference#Alpha' > half< / a > < a href = 'SkColor_Reference#Alpha' > float< / a > .
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< / td >
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< / tr >
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< tr >
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< td style = 'text-align: left; border: 2px solid #dddddd ; padding: 8px; ' >< a name = 'kRGBA_F32_SkColorType' >< code > kRGBA_F32_SkColorType</ code ></ a ></ td >
< td style = 'text-align: center; border: 2px solid #dddddd ; padding: 8px; ' > 11</ td >
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< td style = 'text-align: left; border: 2px solid #dddddd ; padding: 8px; ' >< a href = '#RGBA_F32' > RGBA F32</ a > </ td >
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< td style = 'text-align: left; border: 2px solid #dddddd ; padding: 8px; ' >
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Stores 128-bit word < a href = 'undocumented#Pixel' > pixel< / a > < a href = 'undocumented#Pixel' > encoding< / a > < a href = 'undocumented#Pixel' > that< / a > < a href = 'undocumented#Pixel' > contains< / a > 32 < a href = 'undocumented#Pixel' > bits< / a > < a href = 'undocumented#Pixel' > of< / a > < a href = 'undocumented#Pixel' > blue< / a > ,
32 < a href = 'undocumented#Pixel' > bits< / a > < a href = 'undocumented#Pixel' > of< / a > < a href = 'undocumented#Pixel' > green< / a > , 32 < a href = 'undocumented#Pixel' > bits< / a > < a href = 'undocumented#Pixel' > of< / a > < a href = 'undocumented#Pixel' > red< / a > , < a href = 'undocumented#Pixel' > and< / a > 32 < a href = 'undocumented#Pixel' > bits< / a > < a href = 'undocumented#Pixel' > of< / a > < a href = 'SkColor_Reference#Alpha' > alpha< / a > . < a href = 'SkColor_Reference#Alpha' > Each< / a > < a href = 'SkColor_Reference#Alpha' > component< / a >
< a href = 'SkColor_Reference#Alpha' > is< / a > < a href = 'SkColor_Reference#Alpha' > encoded< / a > < a href = 'SkColor_Reference#Alpha' > as< / a > < a href = 'SkColor_Reference#Alpha' > a< / a > < a href = 'SkColor_Reference#Alpha' > single< / a > < a href = 'SkColor_Reference#Alpha' > precision< / a > < a href = 'SkColor_Reference#Alpha' > float< / a > .
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< / td >
< / tr >
< tr style = 'background-color: #f0f0f0 ; ' >
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< td style = 'text-align: left; border: 2px solid #dddddd ; padding: 8px; ' >< a name = 'kLastEnum_SkColorType' >< code > kLastEnum_SkColorType</ code ></ a ></ td >
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< td style = 'text-align: center; border: 2px solid #dddddd ; padding: 8px; ' > 11</ td >
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< td style = 'text-align: left; border: 2px solid #dddddd ; padding: 8px; ' ></ td >
< td style = 'text-align: left; border: 2px solid #dddddd ; padding: 8px; ' >
Used by tests to iterate through all valid values.
< / td >
< / tr >
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< tr >
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< td style = 'text-align: left; border: 2px solid #dddddd ; padding: 8px; ' >< a name = 'kN32_SkColorType' >< code > kN32_SkColorType</ code ></ a ></ td >
< td style = 'text-align: center; border: 2px solid #dddddd ; padding: 8px; ' > 4 or 6</ td >
< td style = 'text-align: left; border: 2px solid #dddddd ; padding: 8px; ' ></ td >
< td style = 'text-align: left; border: 2px solid #dddddd ; padding: 8px; ' >
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Encodes ARGB as either < a href = 'SkImageInfo_Reference#kRGBA_8888_SkColorType' > kRGBA_8888_SkColorType< / a > < a href = 'SkImageInfo_Reference#kRGBA_8888_SkColorType' > or< / a >
< a href = 'SkImageInfo_Reference#kBGRA_8888_SkColorType' > kBGRA_8888_SkColorType< / a > , < a href = 'SkImageInfo_Reference#kBGRA_8888_SkColorType' > whichever< / a > < a href = 'SkImageInfo_Reference#kBGRA_8888_SkColorType' > is< / a > < a href = 'SkImageInfo_Reference#kBGRA_8888_SkColorType' > native< / a > < a href = 'SkImageInfo_Reference#kBGRA_8888_SkColorType' > to< / a > < a href = 'SkImageInfo_Reference#kBGRA_8888_SkColorType' > the< / a > < a href = 'SkImageInfo_Reference#kBGRA_8888_SkColorType' > platform< / a > .
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< / td >
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< / tr >
< / table >
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### See Also
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< a href = 'SkImageInfo_Reference#SkAlphaType' > SkAlphaType< / a > < a href = 'undocumented#SkColorSpace' > SkColorSpace< / a >
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< a name = 'Color_Type_Alpha_8' > < / a >
---
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< a href = 'SkColor_Reference#Alpha' > Alpha< / a > < a href = 'SkColor_Reference#Alpha' > pixels< / a > < a href = 'SkColor_Reference#Alpha' > encode< / a > < a href = 'SkColor_Reference#Alpha' > transparency< / a > < a href = 'SkColor_Reference#Alpha' > without< / a > < a href = 'SkColor_Reference#Color' > color< / a > < a href = 'SkColor_Reference#Color' > information< / a > . < a href = 'SkColor_Reference#Color' > Value< / a > < a href = 'SkColor_Reference#Color' > of< / a > < a href = 'SkColor_Reference#Color' > zero< / a > < a href = 'SkColor_Reference#Color' > is< / a >
< a href = 'SkColor_Reference#Color' > completely< / a > < a href = 'SkColor_Reference#Color' > transparent< / a > ; < a href = 'SkColor_Reference#Color' > a< / a > < a href = 'SkColor_Reference#Color' > value< / a > < a href = 'SkColor_Reference#Color' > of< / a > 255 < a href = 'SkColor_Reference#Color' > is< / a > < a href = 'SkColor_Reference#Color' > completely< / a > < a href = 'SkColor_Reference#Color' > opaque< / a > . < a href = 'SkBitmap_Reference#Bitmap' > Bitmap< / a >
< a href = 'SkBitmap_Reference#Bitmap' > pixels< / a > < a href = 'SkBitmap_Reference#Bitmap' > do< / a > < a href = 'SkBitmap_Reference#Bitmap' > not< / a > < a href = 'SkBitmap_Reference#Bitmap' > visibly< / a > < a href = 'SkBitmap_Reference#Bitmap' > draw< / a > , < a href = 'SkBitmap_Reference#Bitmap' > because< / a > < a href = 'SkBitmap_Reference#Bitmap' > its< / a > < a href = 'SkBitmap_Reference#Bitmap' > pixels< / a > < a href = 'SkBitmap_Reference#Bitmap' > have< / a > < a href = 'SkBitmap_Reference#Bitmap' > no< / a > < a href = 'SkColor_Reference#Color' > color< / a > < a href = 'SkColor_Reference#Color' > information< / a > .
< a href = 'SkColor_Reference#Color' > When< / a > < a href = 'SkImageInfo_Reference#SkColorType' > SkColorType< / a > < a href = 'SkImageInfo_Reference#SkColorType' > is< / a > < a href = 'SkImageInfo_Reference#SkColorType' > set< / a > < a href = 'SkImageInfo_Reference#SkColorType' > to< / a > < a href = 'SkImageInfo_Reference#kAlpha_8_SkColorType' > kAlpha_8_SkColorType< / a > , < a href = 'SkImageInfo_Reference#kAlpha_8_SkColorType' > the< / a > < a href = 'SkImageInfo_Reference#kAlpha_8_SkColorType' > paired< / a > < a href = 'SkImageInfo_Reference#SkAlphaType' > SkAlphaType< / a > < a href = 'SkImageInfo_Reference#SkAlphaType' > is< / a >
< a href = 'SkImageInfo_Reference#SkAlphaType' > ignored< / a > .
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### Example
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< div > < fiddle-embed name = "21ae21e4ce53d2018e042dd457997300" > < div > < a href = 'SkColor_Reference#Alpha' > Alpha< / a > < a href = 'SkColor_Reference#Alpha' > pixels< / a > < a href = 'SkColor_Reference#Alpha' > can< / a > < a href = 'SkColor_Reference#Alpha' > modify< / a > < a href = 'SkColor_Reference#Alpha' > another< / a > < a href = 'SkColor_Reference#Alpha' > draw< / a > . < a href = 'SkColor_Reference#Alpha' > orangePaint< / a > < a href = 'SkColor_Reference#Alpha' > fills< / a > < a href = 'SkColor_Reference#Alpha' > the< / a > < a href = 'SkColor_Reference#Alpha' > bounds< / a > < a href = 'SkColor_Reference#Alpha' > of< / a > < a href = 'SkBitmap_Reference#Bitmap' > bitmap< / a > ,
< a href = 'SkBitmap_Reference#Bitmap' > with< / a > < a href = 'SkBitmap_Reference#Bitmap' > its< / a > < a href = 'SkBitmap_Reference#Bitmap' > transparency< / a > < a href = 'SkBitmap_Reference#Bitmap' > set< / a > < a href = 'SkBitmap_Reference#Bitmap' > to< / a > < a href = 'SkBitmap_Reference#Bitmap' > alpha8< / a > < a href = 'undocumented#Pixel' > pixel< / a > < a href = 'undocumented#Pixel' > value< / a > .
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< / div > < / fiddle-embed > < / div >
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### See Also
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< a href = 'SkColor_Reference#Alpha' > Alpha< / a > < a href = '#Image_Info_Color_Type_Gray_8' > Gray_8< / a >
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< a name = 'Color_Type_RGB_565' > < / a >
---
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< a href = 'SkImageInfo_Reference#kRGB_565_SkColorType' > kRGB_565_SkColorType< / a > < a href = 'SkImageInfo_Reference#kRGB_565_SkColorType' > encodes< / a > < a href = 'SkImageInfo_Reference#kRGB_565_SkColorType' > RGB< / a > < a href = 'SkImageInfo_Reference#kRGB_565_SkColorType' > to< / a > < a href = 'SkImageInfo_Reference#kRGB_565_SkColorType' > fit< / a > < a href = 'SkImageInfo_Reference#kRGB_565_SkColorType' > in< / a > < a href = 'SkImageInfo_Reference#kRGB_565_SkColorType' > a< / a > 16-< a href = 'SkImageInfo_Reference#kRGB_565_SkColorType' > bit< / a > < a href = 'SkImageInfo_Reference#kRGB_565_SkColorType' > word< / a > . < a href = 'SkImageInfo_Reference#kRGB_565_SkColorType' > Red< / a > < a href = 'SkImageInfo_Reference#kRGB_565_SkColorType' > and< / a > < a href = 'SkImageInfo_Reference#kRGB_565_SkColorType' > blue< / a >
< a href = 'SkImageInfo_Reference#kRGB_565_SkColorType' > components< / a > < a href = 'SkImageInfo_Reference#kRGB_565_SkColorType' > use< / a > < a href = 'SkImageInfo_Reference#kRGB_565_SkColorType' > five< / a > < a href = 'SkImageInfo_Reference#kRGB_565_SkColorType' > bits< / a > < a href = 'SkImageInfo_Reference#kRGB_565_SkColorType' > describing< / a > 32 < a href = 'SkImageInfo_Reference#kRGB_565_SkColorType' > levels< / a > . < a href = 'SkImageInfo_Reference#kRGB_565_SkColorType' > Green< / a > < a href = 'SkImageInfo_Reference#kRGB_565_SkColorType' > components< / a > , < a href = 'SkImageInfo_Reference#kRGB_565_SkColorType' > more< / a > < a href = 'SkImageInfo_Reference#kRGB_565_SkColorType' > sensitive< / a >
< a href = 'SkImageInfo_Reference#kRGB_565_SkColorType' > to< / a > < a href = 'SkImageInfo_Reference#kRGB_565_SkColorType' > the< / a > < a href = 'SkImageInfo_Reference#kRGB_565_SkColorType' > eye< / a > , < a href = 'SkImageInfo_Reference#kRGB_565_SkColorType' > use< / a > < a href = 'SkImageInfo_Reference#kRGB_565_SkColorType' > six< / a > < a href = 'SkImageInfo_Reference#kRGB_565_SkColorType' > bits< / a > < a href = 'SkImageInfo_Reference#kRGB_565_SkColorType' > describing< / a > 64 < a href = 'SkImageInfo_Reference#kRGB_565_SkColorType' > levels< / a > . < a href = 'SkImageInfo_Reference#kRGB_565_SkColorType' > kRGB_565_SkColorType< / a > < a href = 'SkImageInfo_Reference#kRGB_565_SkColorType' > has< / a > < a href = 'SkImageInfo_Reference#kRGB_565_SkColorType' > no< / a >
< a href = 'SkImageInfo_Reference#kRGB_565_SkColorType' > bits< / a > < a href = 'SkImageInfo_Reference#kRGB_565_SkColorType' > for< / a > < a href = 'SkColor_Reference#Alpha' > Alpha< / a > .
< a href = 'SkColor_Reference#Alpha' > Pixels< / a > < a href = 'SkColor_Reference#Alpha' > are< / a > < a href = 'SkColor_Reference#Alpha' > fully< / a > < a href = 'SkColor_Reference#Alpha' > opaque< / a > < a href = 'SkColor_Reference#Alpha' > as< / a > < a href = 'SkColor_Reference#Alpha' > if< / a > < a href = 'SkColor_Reference#Alpha' > its< / a > < a href = '#Color_Alpha' > Color_Alpha< / a > < a href = '#Color_Alpha' > was< / a > < a href = '#Color_Alpha' > set< / a > < a href = '#Color_Alpha' > to< / a > < a href = '#Color_Alpha' > one< / a > , < a href = '#Color_Alpha' > and< / a > < a href = '#Color_Alpha' > should< / a >
< a href = '#Color_Alpha' > always< / a > < a href = '#Color_Alpha' > be< / a > < a href = '#Color_Alpha' > paired< / a > < a href = '#Color_Alpha' > with< / a > < a href = 'SkImageInfo_Reference#kOpaque_SkAlphaType' > kOpaque_SkAlphaType< / a > .
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![Color_Type_RGB_565 ](https://fiddle.skia.org/i/6dec0226490a4ac1977dc87a31564147_raster.png "" )
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### Example
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< div > < fiddle-embed name = "7e7c46bb4572e21e13529ff364eb0a9c" > < / fiddle-embed > < / div >
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### See Also
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< a href = '#Image_Info_Color_Type_ARGB_4444' > ARGB_4444< / a > < a href = '#Image_Info_Color_Type_RGBA_8888' > RGBA_8888< / a >
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< a name = 'Color_Type_ARGB_4444' > < / a >
---
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< a href = 'SkImageInfo_Reference#kARGB_4444_SkColorType' > kARGB_4444_SkColorType< / a > < a href = 'SkImageInfo_Reference#kARGB_4444_SkColorType' > encodes< / a > < a href = 'SkImageInfo_Reference#kARGB_4444_SkColorType' > ARGB< / a > < a href = 'SkImageInfo_Reference#kARGB_4444_SkColorType' > to< / a > < a href = 'SkImageInfo_Reference#kARGB_4444_SkColorType' > fit< / a > < a href = 'SkImageInfo_Reference#kARGB_4444_SkColorType' > in< / a > 16-< a href = 'SkImageInfo_Reference#kARGB_4444_SkColorType' > bit< / a > < a href = 'SkImageInfo_Reference#kARGB_4444_SkColorType' > word< / a > . < a href = 'SkImageInfo_Reference#kARGB_4444_SkColorType' > Each< / a >
< a href = 'SkImageInfo_Reference#kARGB_4444_SkColorType' > component< / a > : < a href = 'SkColor_Reference#Alpha' > alpha< / a > , < a href = 'SkColor_Reference#Alpha' > blue< / a > , < a href = 'SkColor_Reference#Alpha' > green< / a > , < a href = 'SkColor_Reference#Alpha' > and< / a > < a href = 'SkColor_Reference#Alpha' > red< / a > ; < a href = 'SkColor_Reference#Alpha' > use< / a > < a href = 'SkColor_Reference#Alpha' > four< / a > < a href = 'SkColor_Reference#Alpha' > bits< / a > , < a href = 'SkColor_Reference#Alpha' > describing< / a > 16 < a href = 'SkColor_Reference#Alpha' > levels< / a > .
< a href = 'SkColor_Reference#Alpha' > Note< / a > < a href = 'SkColor_Reference#Alpha' > that< / a > < a href = 'SkImageInfo_Reference#kARGB_4444_SkColorType' > kARGB_4444_SkColorType< / a > < a href = 'SkImageInfo_Reference#kARGB_4444_SkColorType' > is< / a > < a href = 'SkImageInfo_Reference#kARGB_4444_SkColorType' > misnamed< / a > ; < a href = 'SkImageInfo_Reference#kARGB_4444_SkColorType' > the< / a > < a href = 'SkImageInfo_Reference#kARGB_4444_SkColorType' > acronym< / a > < a href = 'SkImageInfo_Reference#kARGB_4444_SkColorType' > does< / a > < a href = 'SkImageInfo_Reference#kARGB_4444_SkColorType' > not< / a >
< a href = 'SkImageInfo_Reference#kARGB_4444_SkColorType' > describe< / a > < a href = 'SkImageInfo_Reference#kARGB_4444_SkColorType' > the< / a > < a href = 'SkImageInfo_Reference#kARGB_4444_SkColorType' > actual< / a > < a href = 'SkImageInfo_Reference#kARGB_4444_SkColorType' > component< / a > < a href = 'SkImageInfo_Reference#kARGB_4444_SkColorType' > order< / a > .
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![Color_Type_ARGB_4444 ](https://fiddle.skia.org/i/e8008512f0d197051e3f26faa67bafc2_raster.png "" )
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If paired with < a href = 'SkImageInfo_Reference#kPremul_SkAlphaType' > kPremul_SkAlphaType< / a > : < a href = 'SkImageInfo_Reference#kPremul_SkAlphaType' > blue< / a > , < a href = 'SkImageInfo_Reference#kPremul_SkAlphaType' > green< / a > , < a href = 'SkImageInfo_Reference#kPremul_SkAlphaType' > and< / a > < a href = 'SkImageInfo_Reference#kPremul_SkAlphaType' > red< / a > < a href = 'SkImageInfo_Reference#kPremul_SkAlphaType' > components< / a > < a href = 'SkImageInfo_Reference#kPremul_SkAlphaType' > are< / a >
< a href = 'undocumented#Premultiply' > Premultiplied< / a > < a href = 'undocumented#Premultiply' > by< / a > < a href = 'undocumented#Premultiply' > the< / a > < a href = 'SkColor_Reference#Alpha' > alpha< / a > < a href = 'SkColor_Reference#Alpha' > value< / a > . < a href = 'SkColor_Reference#Alpha' > If< / a > < a href = 'SkColor_Reference#Alpha' > blue< / a > , < a href = 'SkColor_Reference#Alpha' > green< / a > , < a href = 'SkColor_Reference#Alpha' > or< / a > < a href = 'SkColor_Reference#Alpha' > red< / a > < a href = 'SkColor_Reference#Alpha' > is< / a > < a href = 'SkColor_Reference#Alpha' > greater< / a > < a href = 'SkColor_Reference#Alpha' > than< / a > < a href = 'SkColor_Reference#Alpha' > alpha< / a > ,
< a href = 'SkColor_Reference#Alpha' > the< / a > < a href = 'SkColor_Reference#Alpha' > drawn< / a > < a href = 'SkColor_Reference#Alpha' > result< / a > < a href = 'SkColor_Reference#Alpha' > is< / a > < a href = 'SkColor_Reference#Alpha' > undefined< / a > .
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< a href = 'SkColor_Reference#Alpha' > If< / a > < a href = 'SkColor_Reference#Alpha' > paired< / a > < a href = 'SkColor_Reference#Alpha' > with< / a > < a href = 'SkImageInfo_Reference#kUnpremul_SkAlphaType' > kUnpremul_SkAlphaType< / a > : < a href = 'SkColor_Reference#Alpha' > alpha< / a > , < a href = 'SkColor_Reference#Alpha' > blue< / a > , < a href = 'SkColor_Reference#Alpha' > green< / a > , < a href = 'SkColor_Reference#Alpha' > and< / a > < a href = 'SkColor_Reference#Alpha' > red< / a > < a href = 'SkColor_Reference#Alpha' > components< / a >
< a href = 'SkColor_Reference#Alpha' > may< / a > < a href = 'SkColor_Reference#Alpha' > have< / a > < a href = 'SkColor_Reference#Alpha' > any< / a > < a href = 'SkColor_Reference#Alpha' > value< / a > . < a href = 'SkColor_Reference#Alpha' > There< / a > < a href = 'SkColor_Reference#Alpha' > may< / a > < a href = 'SkColor_Reference#Alpha' > be< / a > < a href = 'SkColor_Reference#Alpha' > a< / a > < a href = 'SkColor_Reference#Alpha' > performance< / a > < a href = 'SkColor_Reference#Alpha' > penalty< / a > < a href = 'SkColor_Reference#Alpha' > with< / a > < a href = 'undocumented#Unpremultiply' > Unpremultiplied< / a >
< a href = 'undocumented#Unpremultiply' > pixels< / a > .
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< a href = 'undocumented#Unpremultiply' > If< / a > < a href = 'undocumented#Unpremultiply' > paired< / a > < a href = 'undocumented#Unpremultiply' > with< / a > < a href = 'SkImageInfo_Reference#kOpaque_SkAlphaType' > kOpaque_SkAlphaType< / a > : < a href = 'SkImageInfo_Reference#kOpaque_SkAlphaType' > all< / a > < a href = 'SkColor_Reference#Alpha' > alpha< / a > < a href = 'SkColor_Reference#Alpha' > component< / a > < a href = 'SkColor_Reference#Alpha' > values< / a > < a href = 'SkColor_Reference#Alpha' > are< / a > < a href = 'SkColor_Reference#Alpha' > at< / a > < a href = 'SkColor_Reference#Alpha' > the< / a > < a href = 'SkColor_Reference#Alpha' > maximum< / a > ;
< a href = 'SkColor_Reference#Alpha' > blue< / a > , < a href = 'SkColor_Reference#Alpha' > green< / a > , < a href = 'SkColor_Reference#Alpha' > and< / a > < a href = 'SkColor_Reference#Alpha' > red< / a > < a href = 'SkColor_Reference#Alpha' > components< / a > < a href = 'SkColor_Reference#Alpha' > are< / a > < a href = 'SkColor_Reference#Alpha' > fully< / a > < a href = 'SkColor_Reference#Alpha' > opaque< / a > . < a href = 'SkColor_Reference#Alpha' > If< / a > < a href = 'SkColor_Reference#Alpha' > any< / a > < a href = 'SkColor_Reference#Alpha' > alpha< / a > < a href = 'SkColor_Reference#Alpha' > component< / a > < a href = 'SkColor_Reference#Alpha' > is< / a >
< a href = 'SkColor_Reference#Alpha' > less< / a > < a href = 'SkColor_Reference#Alpha' > than< / a > 15, < a href = 'SkColor_Reference#Alpha' > the< / a > < a href = 'SkColor_Reference#Alpha' > drawn< / a > < a href = 'SkColor_Reference#Alpha' > result< / a > < a href = 'SkColor_Reference#Alpha' > is< / a > < a href = 'SkColor_Reference#Alpha' > undefined< / a > .
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### Example
2018-05-16 11:07:07 +00:00
< div > < fiddle-embed name = "33a360c3404ac21db801943336843d8e" > < / fiddle-embed > < / div >
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2018-05-16 11:07:07 +00:00
### See Also
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< a href = '#Image_Info_Color_Type_RGBA_8888' > RGBA_8888< / a >
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< a name = 'Color_Type_RGBA_8888' > < / a >
---
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< a href = 'SkImageInfo_Reference#kRGBA_8888_SkColorType' > kRGBA_8888_SkColorType< / a > < a href = 'SkImageInfo_Reference#kRGBA_8888_SkColorType' > encodes< / a > < a href = 'SkImageInfo_Reference#kRGBA_8888_SkColorType' > ARGB< / a > < a href = 'SkImageInfo_Reference#kRGBA_8888_SkColorType' > into< / a > < a href = 'SkImageInfo_Reference#kRGBA_8888_SkColorType' > a< / a > 32-< a href = 'SkImageInfo_Reference#kRGBA_8888_SkColorType' > bit< / a > < a href = 'SkImageInfo_Reference#kRGBA_8888_SkColorType' > word< / a > . < a href = 'SkImageInfo_Reference#kRGBA_8888_SkColorType' > Each< / a > < a href = 'SkImageInfo_Reference#kRGBA_8888_SkColorType' > component< / a > :
< a href = 'SkImageInfo_Reference#kRGBA_8888_SkColorType' > red< / a > , < a href = 'SkImageInfo_Reference#kRGBA_8888_SkColorType' > green< / a > , < a href = 'SkImageInfo_Reference#kRGBA_8888_SkColorType' > blue< / a > , < a href = 'SkColor_Reference#Alpha' > alpha< / a > ; < a href = 'SkColor_Reference#Alpha' > use< / a > < a href = 'SkColor_Reference#Alpha' > eight< / a > < a href = 'SkColor_Reference#Alpha' > bits< / a > , < a href = 'SkColor_Reference#Alpha' > describing< / a > 256 < a href = 'SkColor_Reference#Alpha' > levels< / a > .
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![Color_Type_RGBA_8888 ](https://fiddle.skia.org/i/9abc324f670e6468f09385551aae5a1c_raster.png "" )
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If paired with < a href = 'SkImageInfo_Reference#kPremul_SkAlphaType' > kPremul_SkAlphaType< / a > : < a href = 'SkImageInfo_Reference#kPremul_SkAlphaType' > red< / a > , < a href = 'SkImageInfo_Reference#kPremul_SkAlphaType' > green< / a > , < a href = 'SkImageInfo_Reference#kPremul_SkAlphaType' > and< / a > < a href = 'SkImageInfo_Reference#kPremul_SkAlphaType' > blue< / a > < a href = 'SkImageInfo_Reference#kPremul_SkAlphaType' > components< / a > < a href = 'SkImageInfo_Reference#kPremul_SkAlphaType' > are< / a >
< a href = 'undocumented#Premultiply' > Premultiplied< / a > < a href = 'undocumented#Premultiply' > by< / a > < a href = 'undocumented#Premultiply' > the< / a > < a href = 'SkColor_Reference#Alpha' > alpha< / a > < a href = 'SkColor_Reference#Alpha' > value< / a > . < a href = 'SkColor_Reference#Alpha' > If< / a > < a href = 'SkColor_Reference#Alpha' > red< / a > , < a href = 'SkColor_Reference#Alpha' > green< / a > , < a href = 'SkColor_Reference#Alpha' > or< / a > < a href = 'SkColor_Reference#Alpha' > blue< / a > < a href = 'SkColor_Reference#Alpha' > is< / a > < a href = 'SkColor_Reference#Alpha' > greater< / a > < a href = 'SkColor_Reference#Alpha' > than< / a > < a href = 'SkColor_Reference#Alpha' > alpha< / a > ,
< a href = 'SkColor_Reference#Alpha' > the< / a > < a href = 'SkColor_Reference#Alpha' > drawn< / a > < a href = 'SkColor_Reference#Alpha' > result< / a > < a href = 'SkColor_Reference#Alpha' > is< / a > < a href = 'SkColor_Reference#Alpha' > undefined< / a > .
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< a href = 'SkColor_Reference#Alpha' > If< / a > < a href = 'SkColor_Reference#Alpha' > paired< / a > < a href = 'SkColor_Reference#Alpha' > with< / a > < a href = 'SkImageInfo_Reference#kUnpremul_SkAlphaType' > kUnpremul_SkAlphaType< / a > : < a href = 'SkColor_Reference#Alpha' > alpha< / a > , < a href = 'SkColor_Reference#Alpha' > red< / a > , < a href = 'SkColor_Reference#Alpha' > green< / a > , < a href = 'SkColor_Reference#Alpha' > and< / a > < a href = 'SkColor_Reference#Alpha' > blue< / a > < a href = 'SkColor_Reference#Alpha' > components< / a >
< a href = 'SkColor_Reference#Alpha' > may< / a > < a href = 'SkColor_Reference#Alpha' > have< / a > < a href = 'SkColor_Reference#Alpha' > any< / a > < a href = 'SkColor_Reference#Alpha' > value< / a > . < a href = 'SkColor_Reference#Alpha' > There< / a > < a href = 'SkColor_Reference#Alpha' > may< / a > < a href = 'SkColor_Reference#Alpha' > be< / a > < a href = 'SkColor_Reference#Alpha' > a< / a > < a href = 'SkColor_Reference#Alpha' > performance< / a > < a href = 'SkColor_Reference#Alpha' > penalty< / a > < a href = 'SkColor_Reference#Alpha' > with< / a > < a href = 'undocumented#Unpremultiply' > Unpremultiplied< / a >
< a href = 'undocumented#Unpremultiply' > pixels< / a > .
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< a href = 'undocumented#Unpremultiply' > If< / a > < a href = 'undocumented#Unpremultiply' > paired< / a > < a href = 'undocumented#Unpremultiply' > with< / a > < a href = 'SkImageInfo_Reference#kOpaque_SkAlphaType' > kOpaque_SkAlphaType< / a > : < a href = 'SkImageInfo_Reference#kOpaque_SkAlphaType' > all< / a > < a href = 'SkColor_Reference#Alpha' > alpha< / a > < a href = 'SkColor_Reference#Alpha' > component< / a > < a href = 'SkColor_Reference#Alpha' > values< / a > < a href = 'SkColor_Reference#Alpha' > are< / a > < a href = 'SkColor_Reference#Alpha' > at< / a > < a href = 'SkColor_Reference#Alpha' > the< / a > < a href = 'SkColor_Reference#Alpha' > maximum< / a > ;
< a href = 'SkColor_Reference#Alpha' > red< / a > , < a href = 'SkColor_Reference#Alpha' > green< / a > , < a href = 'SkColor_Reference#Alpha' > and< / a > < a href = 'SkColor_Reference#Alpha' > blue< / a > < a href = 'SkColor_Reference#Alpha' > components< / a > < a href = 'SkColor_Reference#Alpha' > are< / a > < a href = 'SkColor_Reference#Alpha' > fully< / a > < a href = 'SkColor_Reference#Alpha' > opaque< / a > . < a href = 'SkColor_Reference#Alpha' > If< / a > < a href = 'SkColor_Reference#Alpha' > any< / a > < a href = 'SkColor_Reference#Alpha' > alpha< / a > < a href = 'SkColor_Reference#Alpha' > component< / a > < a href = 'SkColor_Reference#Alpha' > is< / a >
< a href = 'SkColor_Reference#Alpha' > less< / a > < a href = 'SkColor_Reference#Alpha' > than< / a > 255, < a href = 'SkColor_Reference#Alpha' > the< / a > < a href = 'SkColor_Reference#Alpha' > drawn< / a > < a href = 'SkColor_Reference#Alpha' > result< / a > < a href = 'SkColor_Reference#Alpha' > is< / a > < a href = 'SkColor_Reference#Alpha' > undefined< / a > .
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< a href = 'SkColor_Reference#Alpha' > On< / a > < a href = '#Big_Endian' > Big_Endian< / a > < a href = '#Big_Endian' > platforms< / a > , < a href = 'SkImageInfo_Reference#kRGBA_8888_SkColorType' > kRGBA_8888_SkColorType< / a > < a href = 'SkImageInfo_Reference#kRGBA_8888_SkColorType' > is< / a > < a href = 'SkImageInfo_Reference#kRGBA_8888_SkColorType' > the< / a > < a href = 'SkImageInfo_Reference#kRGBA_8888_SkColorType' > native< / a > < a href = '#Image_Info_Color_Type' > Color_Type< / a > , < a href = '#Image_Info_Color_Type' > and< / a >
< a href = '#Image_Info_Color_Type' > will< / a > < a href = '#Image_Info_Color_Type' > have< / a > < a href = '#Image_Info_Color_Type' > the< / a > < a href = '#Image_Info_Color_Type' > best< / a > < a href = '#Image_Info_Color_Type' > performance< / a > . < a href = '#Image_Info_Color_Type' > Use< / a > < a href = 'SkImageInfo_Reference#kN32_SkColorType' > kN32_SkColorType< / a > < a href = 'SkImageInfo_Reference#kN32_SkColorType' > to< / a > < a href = 'SkImageInfo_Reference#kN32_SkColorType' > choose< / a > < a href = 'SkImageInfo_Reference#kN32_SkColorType' > the< / a > < a href = 'SkImageInfo_Reference#kN32_SkColorType' > best< / a >
< a href = '#Image_Info_Color_Type' > Color_Type< / a > < a href = '#Image_Info_Color_Type' > for< / a > < a href = '#Image_Info_Color_Type' > the< / a > < a href = '#Image_Info_Color_Type' > platform< / a > < a href = '#Image_Info_Color_Type' > at< / a > < a href = '#Image_Info_Color_Type' > compile< / a > < a href = '#Image_Info_Color_Type' > time< / a > .
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### Example
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< div > < fiddle-embed name = "947922a19d59893fe7f9d9ee1954379b" > < / fiddle-embed > < / div >
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2018-05-16 11:07:07 +00:00
### See Also
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< a href = '#Image_Info_Color_Type_RGB_888' > RGB_888< / a > < a href = '#Image_Info_Color_Type_BGRA_8888' > BGRA_8888< / a >
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< a name = 'Color_Type_RGB_888' > < / a >
---
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< a href = 'SkImageInfo_Reference#kRGB_888x_SkColorType' > kRGB_888x_SkColorType< / a > < a href = 'SkImageInfo_Reference#kRGB_888x_SkColorType' > encodes< / a > < a href = 'SkImageInfo_Reference#kRGB_888x_SkColorType' > RGB< / a > < a href = 'SkImageInfo_Reference#kRGB_888x_SkColorType' > into< / a > < a href = 'SkImageInfo_Reference#kRGB_888x_SkColorType' > a< / a > 32-< a href = 'SkImageInfo_Reference#kRGB_888x_SkColorType' > bit< / a > < a href = 'SkImageInfo_Reference#kRGB_888x_SkColorType' > word< / a > . < a href = 'SkImageInfo_Reference#kRGB_888x_SkColorType' > Each< / a > < a href = 'SkImageInfo_Reference#kRGB_888x_SkColorType' > component< / a > :
< a href = 'SkImageInfo_Reference#kRGB_888x_SkColorType' > red< / a > , < a href = 'SkImageInfo_Reference#kRGB_888x_SkColorType' > green< / a > , < a href = 'SkImageInfo_Reference#kRGB_888x_SkColorType' > blue< / a > ; < a href = 'SkImageInfo_Reference#kRGB_888x_SkColorType' > use< / a > < a href = 'SkImageInfo_Reference#kRGB_888x_SkColorType' > eight< / a > < a href = 'SkImageInfo_Reference#kRGB_888x_SkColorType' > bits< / a > , < a href = 'SkImageInfo_Reference#kRGB_888x_SkColorType' > describing< / a > 256 < a href = 'SkImageInfo_Reference#kRGB_888x_SkColorType' > levels< / a > . < a href = 'SkImageInfo_Reference#kRGB_888x_SkColorType' > Eight< / a > < a href = 'SkImageInfo_Reference#kRGB_888x_SkColorType' > bits< / a > < a href = 'SkImageInfo_Reference#kRGB_888x_SkColorType' > are< / a >
< a href = 'SkImageInfo_Reference#kRGB_888x_SkColorType' > unused< / a > . < a href = 'SkImageInfo_Reference#kRGB_888x_SkColorType' > Pixels< / a > < a href = 'SkImageInfo_Reference#kRGB_888x_SkColorType' > described< / a > < a href = 'SkImageInfo_Reference#kRGB_888x_SkColorType' > by< / a > < a href = 'SkImageInfo_Reference#kRGB_888x_SkColorType' > kRGB_888x_SkColorType< / a > < a href = 'SkImageInfo_Reference#kRGB_888x_SkColorType' > are< / a > < a href = 'SkImageInfo_Reference#kRGB_888x_SkColorType' > fully< / a > < a href = 'SkImageInfo_Reference#kRGB_888x_SkColorType' > opaque< / a > < a href = 'SkImageInfo_Reference#kRGB_888x_SkColorType' > as< / a > < a href = 'SkImageInfo_Reference#kRGB_888x_SkColorType' > if< / a >
< a href = 'SkImageInfo_Reference#kRGB_888x_SkColorType' > their< / a > < a href = '#Color_Alpha' > Color_Alpha< / a > < a href = '#Color_Alpha' > was< / a > < a href = '#Color_Alpha' > set< / a > < a href = '#Color_Alpha' > to< / a > < a href = '#Color_Alpha' > one< / a > , < a href = '#Color_Alpha' > and< / a > < a href = '#Color_Alpha' > should< / a > < a href = '#Color_Alpha' > always< / a > < a href = '#Color_Alpha' > be< / a > < a href = '#Color_Alpha' > paired< / a > < a href = '#Color_Alpha' > with< / a >
< a href = 'SkImageInfo_Reference#kOpaque_SkAlphaType' > kOpaque_SkAlphaType< / a > .
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![Color_Type_RGB_888 ](https://fiddle.skia.org/i/7527d7ade4764302818e250cd4e03962_raster.png "" )
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### Example
2018-05-16 11:07:07 +00:00
< div > < fiddle-embed name = "4260d6cc15db2c60c07f6fdc8d9ae425" > < / fiddle-embed > < / div >
2018-02-27 14:54:21 +00:00
2018-05-17 16:17:28 +00:00
### See Also
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< a href = '#Image_Info_Color_Type_RGBA_8888' > RGBA_8888< / a > < a href = '#Image_Info_Color_Type_BGRA_8888' > BGRA_8888< / a >
2018-05-17 16:17:28 +00:00
2018-10-16 14:30:28 +00:00
< a name = 'Color_Type_BGRA_8888' > < / a >
---
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2018-11-07 19:59:03 +00:00
< a href = 'SkImageInfo_Reference#kBGRA_8888_SkColorType' > kBGRA_8888_SkColorType< / a > < a href = 'SkImageInfo_Reference#kBGRA_8888_SkColorType' > encodes< / a > < a href = 'SkImageInfo_Reference#kBGRA_8888_SkColorType' > ARGB< / a > < a href = 'SkImageInfo_Reference#kBGRA_8888_SkColorType' > into< / a > < a href = 'SkImageInfo_Reference#kBGRA_8888_SkColorType' > a< / a > 32-< a href = 'SkImageInfo_Reference#kBGRA_8888_SkColorType' > bit< / a > < a href = 'SkImageInfo_Reference#kBGRA_8888_SkColorType' > word< / a > . < a href = 'SkImageInfo_Reference#kBGRA_8888_SkColorType' > Each< / a > < a href = 'SkImageInfo_Reference#kBGRA_8888_SkColorType' > component< / a > :
< a href = 'SkImageInfo_Reference#kBGRA_8888_SkColorType' > blue< / a > , < a href = 'SkImageInfo_Reference#kBGRA_8888_SkColorType' > green< / a > , < a href = 'SkImageInfo_Reference#kBGRA_8888_SkColorType' > red< / a > , < a href = 'SkImageInfo_Reference#kBGRA_8888_SkColorType' > and< / a > < a href = 'SkColor_Reference#Alpha' > alpha< / a > ; < a href = 'SkColor_Reference#Alpha' > use< / a > < a href = 'SkColor_Reference#Alpha' > eight< / a > < a href = 'SkColor_Reference#Alpha' > bits< / a > , < a href = 'SkColor_Reference#Alpha' > describing< / a > 256 < a href = 'SkColor_Reference#Alpha' > levels< / a > .
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![Color_Type_BGRA_8888 ](https://fiddle.skia.org/i/6c35ca14d88b0de200ba7f897f889ad7_raster.png "" )
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If paired with < a href = 'SkImageInfo_Reference#kPremul_SkAlphaType' > kPremul_SkAlphaType< / a > : < a href = 'SkImageInfo_Reference#kPremul_SkAlphaType' > blue< / a > , < a href = 'SkImageInfo_Reference#kPremul_SkAlphaType' > green< / a > , < a href = 'SkImageInfo_Reference#kPremul_SkAlphaType' > and< / a > < a href = 'SkImageInfo_Reference#kPremul_SkAlphaType' > red< / a > < a href = 'SkImageInfo_Reference#kPremul_SkAlphaType' > components< / a > < a href = 'SkImageInfo_Reference#kPremul_SkAlphaType' > are< / a >
< a href = 'undocumented#Premultiply' > Premultiplied< / a > < a href = 'undocumented#Premultiply' > by< / a > < a href = 'undocumented#Premultiply' > the< / a > < a href = 'SkColor_Reference#Alpha' > alpha< / a > < a href = 'SkColor_Reference#Alpha' > value< / a > . < a href = 'SkColor_Reference#Alpha' > If< / a > < a href = 'SkColor_Reference#Alpha' > blue< / a > , < a href = 'SkColor_Reference#Alpha' > green< / a > , < a href = 'SkColor_Reference#Alpha' > or< / a > < a href = 'SkColor_Reference#Alpha' > red< / a > < a href = 'SkColor_Reference#Alpha' > is< / a > < a href = 'SkColor_Reference#Alpha' > greater< / a > < a href = 'SkColor_Reference#Alpha' > than< / a > < a href = 'SkColor_Reference#Alpha' > alpha< / a > ,
< a href = 'SkColor_Reference#Alpha' > the< / a > < a href = 'SkColor_Reference#Alpha' > drawn< / a > < a href = 'SkColor_Reference#Alpha' > result< / a > < a href = 'SkColor_Reference#Alpha' > is< / a > < a href = 'SkColor_Reference#Alpha' > undefined< / a > .
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< a href = 'SkColor_Reference#Alpha' > If< / a > < a href = 'SkColor_Reference#Alpha' > paired< / a > < a href = 'SkColor_Reference#Alpha' > with< / a > < a href = 'SkImageInfo_Reference#kUnpremul_SkAlphaType' > kUnpremul_SkAlphaType< / a > : < a href = 'SkImageInfo_Reference#kUnpremul_SkAlphaType' > blue< / a > , < a href = 'SkImageInfo_Reference#kUnpremul_SkAlphaType' > green< / a > , < a href = 'SkImageInfo_Reference#kUnpremul_SkAlphaType' > red< / a > , < a href = 'SkImageInfo_Reference#kUnpremul_SkAlphaType' > and< / a > < a href = 'SkColor_Reference#Alpha' > alpha< / a > < a href = 'SkColor_Reference#Alpha' > components< / a >
< a href = 'SkColor_Reference#Alpha' > may< / a > < a href = 'SkColor_Reference#Alpha' > have< / a > < a href = 'SkColor_Reference#Alpha' > any< / a > < a href = 'SkColor_Reference#Alpha' > value< / a > . < a href = 'SkColor_Reference#Alpha' > There< / a > < a href = 'SkColor_Reference#Alpha' > may< / a > < a href = 'SkColor_Reference#Alpha' > be< / a > < a href = 'SkColor_Reference#Alpha' > a< / a > < a href = 'SkColor_Reference#Alpha' > performance< / a > < a href = 'SkColor_Reference#Alpha' > penalty< / a > < a href = 'SkColor_Reference#Alpha' > with< / a > < a href = 'undocumented#Unpremultiply' > Unpremultiplied< / a >
< a href = 'undocumented#Unpremultiply' > pixels< / a > .
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< a href = 'undocumented#Unpremultiply' > If< / a > < a href = 'undocumented#Unpremultiply' > paired< / a > < a href = 'undocumented#Unpremultiply' > with< / a > < a href = 'SkImageInfo_Reference#kOpaque_SkAlphaType' > kOpaque_SkAlphaType< / a > : < a href = 'SkImageInfo_Reference#kOpaque_SkAlphaType' > all< / a > < a href = 'SkColor_Reference#Alpha' > alpha< / a > < a href = 'SkColor_Reference#Alpha' > component< / a > < a href = 'SkColor_Reference#Alpha' > values< / a > < a href = 'SkColor_Reference#Alpha' > are< / a > < a href = 'SkColor_Reference#Alpha' > at< / a > < a href = 'SkColor_Reference#Alpha' > the< / a > < a href = 'SkColor_Reference#Alpha' > maximum< / a > ;
< a href = 'SkColor_Reference#Alpha' > blue< / a > , < a href = 'SkColor_Reference#Alpha' > green< / a > , < a href = 'SkColor_Reference#Alpha' > and< / a > < a href = 'SkColor_Reference#Alpha' > red< / a > < a href = 'SkColor_Reference#Alpha' > components< / a > < a href = 'SkColor_Reference#Alpha' > are< / a > < a href = 'SkColor_Reference#Alpha' > fully< / a > < a href = 'SkColor_Reference#Alpha' > opaque< / a > . < a href = 'SkColor_Reference#Alpha' > If< / a > < a href = 'SkColor_Reference#Alpha' > any< / a > < a href = 'SkColor_Reference#Alpha' > alpha< / a > < a href = 'SkColor_Reference#Alpha' > component< / a > < a href = 'SkColor_Reference#Alpha' > is< / a >
< a href = 'SkColor_Reference#Alpha' > less< / a > < a href = 'SkColor_Reference#Alpha' > than< / a > 255, < a href = 'SkColor_Reference#Alpha' > the< / a > < a href = 'SkColor_Reference#Alpha' > drawn< / a > < a href = 'SkColor_Reference#Alpha' > result< / a > < a href = 'SkColor_Reference#Alpha' > is< / a > < a href = 'SkColor_Reference#Alpha' > undefined< / a > .
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< a href = 'SkColor_Reference#Alpha' > On< / a > < a href = '#Little_Endian' > Little_Endian< / a > < a href = '#Little_Endian' > platforms< / a > , < a href = 'SkImageInfo_Reference#kBGRA_8888_SkColorType' > kBGRA_8888_SkColorType< / a > < a href = 'SkImageInfo_Reference#kBGRA_8888_SkColorType' > is< / a > < a href = 'SkImageInfo_Reference#kBGRA_8888_SkColorType' > the< / a > < a href = 'SkImageInfo_Reference#kBGRA_8888_SkColorType' > native< / a > < a href = '#Image_Info_Color_Type' > Color_Type< / a > ,
< a href = '#Image_Info_Color_Type' > and< / a > < a href = '#Image_Info_Color_Type' > will< / a > < a href = '#Image_Info_Color_Type' > have< / a > < a href = '#Image_Info_Color_Type' > the< / a > < a href = '#Image_Info_Color_Type' > best< / a > < a href = '#Image_Info_Color_Type' > performance< / a > . < a href = '#Image_Info_Color_Type' > Use< / a > < a href = 'SkImageInfo_Reference#kN32_SkColorType' > kN32_SkColorType< / a > < a href = 'SkImageInfo_Reference#kN32_SkColorType' > to< / a > < a href = 'SkImageInfo_Reference#kN32_SkColorType' > choose< / a > < a href = 'SkImageInfo_Reference#kN32_SkColorType' > the< / a > < a href = 'SkImageInfo_Reference#kN32_SkColorType' > best< / a >
< a href = '#Image_Info_Color_Type' > Color_Type< / a > < a href = '#Image_Info_Color_Type' > for< / a > < a href = '#Image_Info_Color_Type' > the< / a > < a href = '#Image_Info_Color_Type' > platform< / a > < a href = '#Image_Info_Color_Type' > at< / a > < a href = '#Image_Info_Color_Type' > compile< / a > < a href = '#Image_Info_Color_Type' > time< / a > .
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### Example
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< div > < fiddle-embed name = "945ce5344fce5470f8604b2e06e9f9ae" > < / fiddle-embed > < / div >
### See Also
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< a href = '#Image_Info_Color_Type_RGBA_8888' > RGBA_8888< / a >
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< a name = 'Color_Type_RGBA_1010102' > < / a >
---
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< a href = 'SkImageInfo_Reference#kRGBA_1010102_SkColorType' > kRGBA_1010102_SkColorType< / a > < a href = 'SkImageInfo_Reference#kRGBA_1010102_SkColorType' > encodes< / a > < a href = 'SkImageInfo_Reference#kRGBA_1010102_SkColorType' > ARGB< / a > < a href = 'SkImageInfo_Reference#kRGBA_1010102_SkColorType' > into< / a > < a href = 'SkImageInfo_Reference#kRGBA_1010102_SkColorType' > a< / a > 32-< a href = 'SkImageInfo_Reference#kRGBA_1010102_SkColorType' > bit< / a > < a href = 'SkImageInfo_Reference#kRGBA_1010102_SkColorType' > word< / a > . < a href = 'SkImageInfo_Reference#kRGBA_1010102_SkColorType' > Each< / a >
< a href = 'SkColor_Reference#Color' > Color< / a > < a href = 'SkColor_Reference#Color' > component< / a > : < a href = 'SkColor_Reference#Color' > red< / a > , < a href = 'SkColor_Reference#Color' > green< / a > , < a href = 'SkColor_Reference#Color' > and< / a > < a href = 'SkColor_Reference#Color' > blue< / a > ; < a href = 'SkColor_Reference#Color' > use< / a > < a href = 'SkColor_Reference#Color' > ten< / a > < a href = 'SkColor_Reference#Color' > bits< / a > , < a href = 'SkColor_Reference#Color' > describing< / a > 1024 < a href = 'SkColor_Reference#Color' > levels< / a > .
< a href = 'SkColor_Reference#Color' > Two< / a > < a href = 'SkColor_Reference#Color' > bits< / a > < a href = 'SkColor_Reference#Color' > contain< / a > < a href = 'SkColor_Reference#Alpha' > alpha< / a > , < a href = 'SkColor_Reference#Alpha' > describing< / a > < a href = 'SkColor_Reference#Alpha' > four< / a > < a href = 'SkColor_Reference#Alpha' > levels< / a > . < a href = 'SkColor_Reference#Alpha' > Possible< / a > < a href = 'SkColor_Reference#Alpha' > alpha< / a >
< a href = 'SkColor_Reference#Alpha' > values< / a > < a href = 'SkColor_Reference#Alpha' > are< / a > < a href = 'SkColor_Reference#Alpha' > zero< / a > : < a href = 'SkColor_Reference#Alpha' > fully< / a > < a href = 'SkColor_Reference#Alpha' > transparent< / a > ; < a href = 'SkColor_Reference#Alpha' > one< / a > : 33% < a href = 'SkColor_Reference#Alpha' > opaque< / a > ; < a href = 'SkColor_Reference#Alpha' > two< / a > : 67% < a href = 'SkColor_Reference#Alpha' > opaque< / a > ;
< a href = 'SkColor_Reference#Alpha' > three< / a > : < a href = 'SkColor_Reference#Alpha' > fully< / a > < a href = 'SkColor_Reference#Alpha' > opaque< / a > .
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< a href = 'SkColor_Reference#Alpha' > At< / a > < a href = 'SkColor_Reference#Alpha' > present< / a > , < a href = 'SkColor_Reference#Color' > Color< / a > < a href = 'SkColor_Reference#Color' > in< / a > < a href = 'SkPaint_Reference#Paint' > Paint< / a > < a href = 'SkPaint_Reference#Paint' > does< / a > < a href = 'SkPaint_Reference#Paint' > not< / a > < a href = 'SkPaint_Reference#Paint' > provide< / a > < a href = 'SkPaint_Reference#Paint' > enough< / a > < a href = 'SkPaint_Reference#Paint' > precision< / a > < a href = 'SkPaint_Reference#Paint' > to< / a >
< a href = 'SkPaint_Reference#Paint' > draw< / a > < a href = 'SkPaint_Reference#Paint' > all< / a > < a href = 'SkPaint_Reference#Paint' > colors< / a > < a href = 'SkPaint_Reference#Paint' > possible< / a > < a href = 'SkPaint_Reference#Paint' > to< / a > < a href = 'SkPaint_Reference#Paint' > a< / a > < a href = 'SkImageInfo_Reference#kRGBA_1010102_SkColorType' > kRGBA_1010102_SkColorType< / a > < a href = 'SkSurface_Reference#Surface' > Surface< / a > .
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![Color_Type_RGBA_1010102 ](https://fiddle.skia.org/i/8d78daf69145f611054f289a7443a670_raster.png "" )
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If paired with < a href = 'SkImageInfo_Reference#kPremul_SkAlphaType' > kPremul_SkAlphaType< / a > : < a href = 'SkImageInfo_Reference#kPremul_SkAlphaType' > red< / a > , < a href = 'SkImageInfo_Reference#kPremul_SkAlphaType' > green< / a > , < a href = 'SkImageInfo_Reference#kPremul_SkAlphaType' > and< / a > < a href = 'SkImageInfo_Reference#kPremul_SkAlphaType' > blue< / a > < a href = 'SkImageInfo_Reference#kPremul_SkAlphaType' > components< / a > < a href = 'SkImageInfo_Reference#kPremul_SkAlphaType' > are< / a >
< a href = 'undocumented#Premultiply' > Premultiplied< / a > < a href = 'undocumented#Premultiply' > by< / a > < a href = 'undocumented#Premultiply' > the< / a > < a href = 'SkColor_Reference#Alpha' > alpha< / a > < a href = 'SkColor_Reference#Alpha' > value< / a > . < a href = 'SkColor_Reference#Alpha' > If< / a > < a href = 'SkColor_Reference#Alpha' > red< / a > , < a href = 'SkColor_Reference#Alpha' > green< / a > , < a href = 'SkColor_Reference#Alpha' > or< / a > < a href = 'SkColor_Reference#Alpha' > blue< / a > < a href = 'SkColor_Reference#Alpha' > is< / a > < a href = 'SkColor_Reference#Alpha' > greater< / a > < a href = 'SkColor_Reference#Alpha' > than< / a > < a href = 'SkColor_Reference#Alpha' > the< / a >
< a href = 'SkColor_Reference#Alpha' > alpha< / a > < a href = 'SkColor_Reference#Alpha' > replicated< / a > < a href = 'SkColor_Reference#Alpha' > to< / a > < a href = 'SkColor_Reference#Alpha' > ten< / a > < a href = 'SkColor_Reference#Alpha' > bits< / a > , < a href = 'SkColor_Reference#Alpha' > the< / a > < a href = 'SkColor_Reference#Alpha' > drawn< / a > < a href = 'SkColor_Reference#Alpha' > result< / a > < a href = 'SkColor_Reference#Alpha' > is< / a > < a href = 'SkColor_Reference#Alpha' > undefined< / a > .
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< a href = 'SkColor_Reference#Alpha' > If< / a > < a href = 'SkColor_Reference#Alpha' > paired< / a > < a href = 'SkColor_Reference#Alpha' > with< / a > < a href = 'SkImageInfo_Reference#kUnpremul_SkAlphaType' > kUnpremul_SkAlphaType< / a > : < a href = 'SkColor_Reference#Alpha' > alpha< / a > , < a href = 'SkColor_Reference#Alpha' > red< / a > , < a href = 'SkColor_Reference#Alpha' > green< / a > , < a href = 'SkColor_Reference#Alpha' > and< / a > < a href = 'SkColor_Reference#Alpha' > blue< / a > < a href = 'SkColor_Reference#Alpha' > components< / a >
< a href = 'SkColor_Reference#Alpha' > may< / a > < a href = 'SkColor_Reference#Alpha' > have< / a > < a href = 'SkColor_Reference#Alpha' > any< / a > < a href = 'SkColor_Reference#Alpha' > value< / a > . < a href = 'SkColor_Reference#Alpha' > There< / a > < a href = 'SkColor_Reference#Alpha' > may< / a > < a href = 'SkColor_Reference#Alpha' > be< / a > < a href = 'SkColor_Reference#Alpha' > a< / a > < a href = 'SkColor_Reference#Alpha' > performance< / a > < a href = 'SkColor_Reference#Alpha' > penalty< / a > < a href = 'SkColor_Reference#Alpha' > with< / a > < a href = 'undocumented#Unpremultiply' > Unpremultiplied< / a >
< a href = 'undocumented#Unpremultiply' > pixels< / a > .
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< a href = 'undocumented#Unpremultiply' > If< / a > < a href = 'undocumented#Unpremultiply' > paired< / a > < a href = 'undocumented#Unpremultiply' > with< / a > < a href = 'SkImageInfo_Reference#kOpaque_SkAlphaType' > kOpaque_SkAlphaType< / a > : < a href = 'SkImageInfo_Reference#kOpaque_SkAlphaType' > all< / a > < a href = 'SkColor_Reference#Alpha' > alpha< / a > < a href = 'SkColor_Reference#Alpha' > component< / a > < a href = 'SkColor_Reference#Alpha' > values< / a > < a href = 'SkColor_Reference#Alpha' > are< / a > < a href = 'SkColor_Reference#Alpha' > at< / a > < a href = 'SkColor_Reference#Alpha' > the< / a > < a href = 'SkColor_Reference#Alpha' > maximum< / a > ;
< a href = 'SkColor_Reference#Alpha' > red< / a > , < a href = 'SkColor_Reference#Alpha' > green< / a > , < a href = 'SkColor_Reference#Alpha' > and< / a > < a href = 'SkColor_Reference#Alpha' > blue< / a > < a href = 'SkColor_Reference#Alpha' > components< / a > < a href = 'SkColor_Reference#Alpha' > are< / a > < a href = 'SkColor_Reference#Alpha' > fully< / a > < a href = 'SkColor_Reference#Alpha' > opaque< / a > . < a href = 'SkColor_Reference#Alpha' > If< / a > < a href = 'SkColor_Reference#Alpha' > any< / a > < a href = 'SkColor_Reference#Alpha' > alpha< / a > < a href = 'SkColor_Reference#Alpha' > component< / a > < a href = 'SkColor_Reference#Alpha' > is< / a >
< a href = 'SkColor_Reference#Alpha' > less< / a > < a href = 'SkColor_Reference#Alpha' > than< / a > < a href = 'SkColor_Reference#Alpha' > three< / a > , < a href = 'SkColor_Reference#Alpha' > the< / a > < a href = 'SkColor_Reference#Alpha' > drawn< / a > < a href = 'SkColor_Reference#Alpha' > result< / a > < a href = 'SkColor_Reference#Alpha' > is< / a > < a href = 'SkColor_Reference#Alpha' > undefined< / a > .
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### Example
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< div > < fiddle-embed name = "1282dc1127ce1b0061544619ae4de0f0" > < / fiddle-embed > < / div >
### See Also
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< a href = '#Image_Info_Color_Type_RGB_101010' > RGB_101010< / a > < a href = '#Image_Info_Color_Type_RGBA_8888' > RGBA_8888< / a >
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< a name = 'Color_Type_RGB_101010' > < / a >
---
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< a href = 'SkImageInfo_Reference#kRGB_101010x_SkColorType' > kRGB_101010x_SkColorType< / a > < a href = 'SkImageInfo_Reference#kRGB_101010x_SkColorType' > encodes< / a > < a href = 'SkImageInfo_Reference#kRGB_101010x_SkColorType' > RGB< / a > < a href = 'SkImageInfo_Reference#kRGB_101010x_SkColorType' > into< / a > < a href = 'SkImageInfo_Reference#kRGB_101010x_SkColorType' > a< / a > 32-< a href = 'SkImageInfo_Reference#kRGB_101010x_SkColorType' > bit< / a > < a href = 'SkImageInfo_Reference#kRGB_101010x_SkColorType' > word< / a > . < a href = 'SkImageInfo_Reference#kRGB_101010x_SkColorType' > Each< / a >
< a href = 'SkColor_Reference#Color' > Color< / a > < a href = 'SkColor_Reference#Color' > component< / a > : < a href = 'SkColor_Reference#Color' > red< / a > , < a href = 'SkColor_Reference#Color' > green< / a > , < a href = 'SkColor_Reference#Color' > and< / a > < a href = 'SkColor_Reference#Color' > blue< / a > ; < a href = 'SkColor_Reference#Color' > use< / a > < a href = 'SkColor_Reference#Color' > ten< / a > < a href = 'SkColor_Reference#Color' > bits< / a > , < a href = 'SkColor_Reference#Color' > describing< / a > 1024 < a href = 'SkColor_Reference#Color' > levels< / a > .
< a href = 'SkColor_Reference#Color' > Two< / a > < a href = 'SkColor_Reference#Color' > bits< / a > < a href = 'SkColor_Reference#Color' > are< / a > < a href = 'SkColor_Reference#Color' > unused< / a > . < a href = 'SkColor_Reference#Color' > Pixels< / a > < a href = 'SkColor_Reference#Color' > described< / a > < a href = 'SkColor_Reference#Color' > by< / a > < a href = 'SkImageInfo_Reference#kRGB_101010x_SkColorType' > kRGB_101010x_SkColorType< / a > < a href = 'SkImageInfo_Reference#kRGB_101010x_SkColorType' > are< / a > < a href = 'SkImageInfo_Reference#kRGB_101010x_SkColorType' > fully< / a >
< a href = 'SkImageInfo_Reference#kRGB_101010x_SkColorType' > opaque< / a > < a href = 'SkImageInfo_Reference#kRGB_101010x_SkColorType' > as< / a > < a href = 'SkImageInfo_Reference#kRGB_101010x_SkColorType' > if< / a > < a href = 'SkImageInfo_Reference#kRGB_101010x_SkColorType' > its< / a > < a href = '#Color_Alpha' > Color_Alpha< / a > < a href = '#Color_Alpha' > was< / a > < a href = '#Color_Alpha' > set< / a > < a href = '#Color_Alpha' > to< / a > < a href = '#Color_Alpha' > one< / a > , < a href = '#Color_Alpha' > and< / a > < a href = '#Color_Alpha' > should< / a > < a href = '#Color_Alpha' > always< / a > < a href = '#Color_Alpha' > be< / a > < a href = '#Color_Alpha' > paired< / a >
< a href = '#Color_Alpha' > with< / a > < a href = 'SkImageInfo_Reference#kOpaque_SkAlphaType' > kOpaque_SkAlphaType< / a > .
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< a href = 'SkImageInfo_Reference#kOpaque_SkAlphaType' > At< / a > < a href = 'SkImageInfo_Reference#kOpaque_SkAlphaType' > present< / a > , < a href = 'SkColor_Reference#Color' > Color< / a > < a href = 'SkColor_Reference#Color' > in< / a > < a href = 'SkPaint_Reference#Paint' > Paint< / a > < a href = 'SkPaint_Reference#Paint' > does< / a > < a href = 'SkPaint_Reference#Paint' > not< / a > < a href = 'SkPaint_Reference#Paint' > provide< / a > < a href = 'SkPaint_Reference#Paint' > enough< / a > < a href = 'SkPaint_Reference#Paint' > precision< / a > < a href = 'SkPaint_Reference#Paint' > to< / a >
< a href = 'SkPaint_Reference#Paint' > draw< / a > < a href = 'SkPaint_Reference#Paint' > all< / a > < a href = 'SkPaint_Reference#Paint' > colors< / a > < a href = 'SkPaint_Reference#Paint' > possible< / a > < a href = 'SkPaint_Reference#Paint' > to< / a > < a href = 'SkPaint_Reference#Paint' > a< / a > < a href = 'SkImageInfo_Reference#kRGB_101010x_SkColorType' > kRGB_101010x_SkColorType< / a > < a href = 'SkSurface_Reference#Surface' > Surface< / a > .
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![Color_Type_RGB_101010 ](https://fiddle.skia.org/i/4c9f4d939e2047269d73fa3507caf01f_raster.png "" )
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### Example
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< div > < fiddle-embed name = "92f81aa0459230459600a01e79ccff29" > < / fiddle-embed > < / div >
2018-05-16 11:07:07 +00:00
### See Also
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< a href = '#Image_Info_Color_Type_RGBA_1010102' > RGBA_1010102< / a >
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< a name = 'Color_Type_Gray_8' > < / a >
---
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< a href = 'SkImageInfo_Reference#kGray_8_SkColorType' > kGray_8_SkColorType< / a > < a href = 'SkImageInfo_Reference#kGray_8_SkColorType' > encodes< / a > < a href = 'SkImageInfo_Reference#kGray_8_SkColorType' > grayscale< / a > < a href = 'SkImageInfo_Reference#kGray_8_SkColorType' > level< / a > < a href = 'SkImageInfo_Reference#kGray_8_SkColorType' > in< / a > < a href = 'SkImageInfo_Reference#kGray_8_SkColorType' > eight< / a > < a href = 'SkImageInfo_Reference#kGray_8_SkColorType' > bits< / a > < a href = 'SkImageInfo_Reference#kGray_8_SkColorType' > that< / a > < a href = 'SkImageInfo_Reference#kGray_8_SkColorType' > is< / a > < a href = 'SkImageInfo_Reference#kGray_8_SkColorType' > equivalent< / a >
< a href = 'SkImageInfo_Reference#kGray_8_SkColorType' > to< / a > < a href = 'SkImageInfo_Reference#kGray_8_SkColorType' > equal< / a > < a href = 'SkImageInfo_Reference#kGray_8_SkColorType' > values< / a > < a href = 'SkImageInfo_Reference#kGray_8_SkColorType' > for< / a > < a href = 'SkImageInfo_Reference#kGray_8_SkColorType' > red< / a > , < a href = 'SkImageInfo_Reference#kGray_8_SkColorType' > blue< / a > , < a href = 'SkImageInfo_Reference#kGray_8_SkColorType' > and< / a > < a href = 'SkImageInfo_Reference#kGray_8_SkColorType' > green< / a > , < a href = 'SkImageInfo_Reference#kGray_8_SkColorType' > representing< / a > < a href = 'SkImageInfo_Reference#kGray_8_SkColorType' > colors< / a > < a href = 'SkImageInfo_Reference#kGray_8_SkColorType' > from< / a > < a href = 'SkImageInfo_Reference#kGray_8_SkColorType' > black< / a > < a href = 'SkImageInfo_Reference#kGray_8_SkColorType' > to< / a >
< a href = 'SkImageInfo_Reference#kGray_8_SkColorType' > white< / a > . < a href = 'SkImageInfo_Reference#kGray_8_SkColorType' > Pixels< / a > < a href = 'SkImageInfo_Reference#kGray_8_SkColorType' > described< / a > < a href = 'SkImageInfo_Reference#kGray_8_SkColorType' > by< / a > < a href = 'SkImageInfo_Reference#kGray_8_SkColorType' > kGray_8_SkColorType< / a > < a href = 'SkImageInfo_Reference#kGray_8_SkColorType' > are< / a > < a href = 'SkImageInfo_Reference#kGray_8_SkColorType' > fully< / a >
< a href = 'SkImageInfo_Reference#kGray_8_SkColorType' > opaque< / a > < a href = 'SkImageInfo_Reference#kGray_8_SkColorType' > as< / a > < a href = 'SkImageInfo_Reference#kGray_8_SkColorType' > if< / a > < a href = 'SkImageInfo_Reference#kGray_8_SkColorType' > its< / a > < a href = '#Color_Alpha' > Color_Alpha< / a > < a href = '#Color_Alpha' > was< / a > < a href = '#Color_Alpha' > set< / a > < a href = '#Color_Alpha' > to< / a > < a href = '#Color_Alpha' > one< / a > , < a href = '#Color_Alpha' > and< / a > < a href = '#Color_Alpha' > should< / a > < a href = '#Color_Alpha' > always< / a > < a href = '#Color_Alpha' > be< / a > < a href = '#Color_Alpha' > paired< / a > < a href = '#Color_Alpha' > with< / a >
< a href = 'SkImageInfo_Reference#kOpaque_SkAlphaType' > kOpaque_SkAlphaType< / a > .
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### Example
< div > < fiddle-embed name = "93da0eb0b6722a4f33dc7dae094abf0b" > < / fiddle-embed > < / div >
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### See Also
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< a href = '#Image_Info_Color_Type_Alpha_8' > Alpha_8< / a >
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< a name = 'Color_Type_RGBA_F16' > < / a >
---
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< a href = 'SkImageInfo_Reference#kRGBA_F16_SkColorType' > kRGBA_F16_SkColorType< / a > < a href = 'SkImageInfo_Reference#kRGBA_F16_SkColorType' > encodes< / a > < a href = 'SkImageInfo_Reference#kRGBA_F16_SkColorType' > ARGB< / a > < a href = 'SkImageInfo_Reference#kRGBA_F16_SkColorType' > into< / a > < a href = 'SkImageInfo_Reference#kRGBA_F16_SkColorType' > a< / a > 64-< a href = 'SkImageInfo_Reference#kRGBA_F16_SkColorType' > bit< / a > < a href = 'SkImageInfo_Reference#kRGBA_F16_SkColorType' > word< / a > . < a href = 'SkImageInfo_Reference#kRGBA_F16_SkColorType' > Each< / a > < a href = 'SkImageInfo_Reference#kRGBA_F16_SkColorType' > component< / a > :
< a href = 'SkImageInfo_Reference#kRGBA_F16_SkColorType' > blue< / a > , < a href = 'SkImageInfo_Reference#kRGBA_F16_SkColorType' > green< / a > , < a href = 'SkImageInfo_Reference#kRGBA_F16_SkColorType' > red< / a > , < a href = 'SkImageInfo_Reference#kRGBA_F16_SkColorType' > and< / a > < a href = 'SkColor_Reference#Alpha' > alpha< / a > ; < a href = 'SkColor_Reference#Alpha' > use< / a > 16 < a href = 'SkColor_Reference#Alpha' > bits< / a > , < a href = 'SkColor_Reference#Alpha' > describing< / a > < a href = 'SkColor_Reference#Alpha' > a< / a > < a href = 'SkColor_Reference#Alpha' > floating< / a > < a href = 'SkPoint_Reference#Point' > point< / a > < a href = 'SkPoint_Reference#Point' > value< / a > ,
< a href = 'SkPoint_Reference#Point' > from< / a > -65500 < a href = 'SkPoint_Reference#Point' > to< / a > 65000 < a href = 'SkPoint_Reference#Point' > with< / a > 3.31 < a href = 'SkPoint_Reference#Point' > decimal< / a > < a href = 'SkPoint_Reference#Point' > digits< / a > < a href = 'SkPoint_Reference#Point' > of< / a > < a href = 'SkPoint_Reference#Point' > precision< / a > .
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< a href = 'SkPoint_Reference#Point' > At< / a > < a href = 'SkPoint_Reference#Point' > present< / a > , < a href = 'SkColor_Reference#Color' > Color< / a > < a href = 'SkColor_Reference#Color' > in< / a > < a href = 'SkPaint_Reference#Paint' > Paint< / a > < a href = 'SkPaint_Reference#Paint' > does< / a > < a href = 'SkPaint_Reference#Paint' > not< / a > < a href = 'SkPaint_Reference#Paint' > provide< / a > < a href = 'SkPaint_Reference#Paint' > enough< / a > < a href = 'SkPaint_Reference#Paint' > precision< / a > < a href = 'SkPaint_Reference#Paint' > or< / a > < a href = 'SkPaint_Reference#Paint' > range< / a > < a href = 'SkPaint_Reference#Paint' > to< / a >
< a href = 'SkPaint_Reference#Paint' > draw< / a > < a href = 'SkPaint_Reference#Paint' > all< / a > < a href = 'SkPaint_Reference#Paint' > colors< / a > < a href = 'SkPaint_Reference#Paint' > possible< / a > < a href = 'SkPaint_Reference#Paint' > to< / a > < a href = 'SkPaint_Reference#Paint' > a< / a > < a href = 'SkImageInfo_Reference#kRGBA_F16_SkColorType' > kRGBA_F16_SkColorType< / a > < a href = 'SkSurface_Reference#Surface' > Surface< / a > .
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< a href = 'SkSurface_Reference#Surface' > Each< / a > < a href = 'SkSurface_Reference#Surface' > component< / a > < a href = 'SkSurface_Reference#Surface' > encodes< / a > < a href = 'SkSurface_Reference#Surface' > a< / a > < a href = 'SkSurface_Reference#Surface' > floating< / a > < a href = 'SkPoint_Reference#Point' > point< / a > < a href = 'SkPoint_Reference#Point' > value< / a > < a href = 'SkPoint_Reference#Point' > using< / a >
< a href = 'https://www.khronos.org/opengl/wiki/Small_Float_Formats' > Half floats< / a > < / a > . Meaningful colors are represented by the range 0.0 to 1.0, although smaller
and larger values may be useful when used in combination with < a href = '#Transfer_Mode' > Transfer_Mode< / a > .
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![Color_Type_RGBA_F16 ](https://fiddle.skia.org/i/1bb35ae52173e0fef874022ca8138adc_raster.png "" )
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If paired with < a href = 'SkImageInfo_Reference#kPremul_SkAlphaType' > kPremul_SkAlphaType< / a > : < a href = 'SkImageInfo_Reference#kPremul_SkAlphaType' > blue< / a > , < a href = 'SkImageInfo_Reference#kPremul_SkAlphaType' > green< / a > , < a href = 'SkImageInfo_Reference#kPremul_SkAlphaType' > and< / a > < a href = 'SkImageInfo_Reference#kPremul_SkAlphaType' > red< / a > < a href = 'SkImageInfo_Reference#kPremul_SkAlphaType' > components< / a > < a href = 'SkImageInfo_Reference#kPremul_SkAlphaType' > are< / a >
< a href = 'undocumented#Premultiply' > Premultiplied< / a > < a href = 'undocumented#Premultiply' > by< / a > < a href = 'undocumented#Premultiply' > the< / a > < a href = 'SkColor_Reference#Alpha' > alpha< / a > < a href = 'SkColor_Reference#Alpha' > value< / a > . < a href = 'SkColor_Reference#Alpha' > If< / a > < a href = 'SkColor_Reference#Alpha' > blue< / a > , < a href = 'SkColor_Reference#Alpha' > green< / a > , < a href = 'SkColor_Reference#Alpha' > or< / a > < a href = 'SkColor_Reference#Alpha' > red< / a > < a href = 'SkColor_Reference#Alpha' > is< / a > < a href = 'SkColor_Reference#Alpha' > greater< / a > < a href = 'SkColor_Reference#Alpha' > than< / a > < a href = 'SkColor_Reference#Alpha' > alpha< / a > ,
< a href = 'SkColor_Reference#Alpha' > the< / a > < a href = 'SkColor_Reference#Alpha' > drawn< / a > < a href = 'SkColor_Reference#Alpha' > result< / a > < a href = 'SkColor_Reference#Alpha' > is< / a > < a href = 'SkColor_Reference#Alpha' > undefined< / a > .
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< a href = 'SkColor_Reference#Alpha' > If< / a > < a href = 'SkColor_Reference#Alpha' > paired< / a > < a href = 'SkColor_Reference#Alpha' > with< / a > < a href = 'SkImageInfo_Reference#kUnpremul_SkAlphaType' > kUnpremul_SkAlphaType< / a > : < a href = 'SkImageInfo_Reference#kUnpremul_SkAlphaType' > blue< / a > , < a href = 'SkImageInfo_Reference#kUnpremul_SkAlphaType' > green< / a > , < a href = 'SkImageInfo_Reference#kUnpremul_SkAlphaType' > red< / a > , < a href = 'SkImageInfo_Reference#kUnpremul_SkAlphaType' > and< / a > < a href = 'SkColor_Reference#Alpha' > alpha< / a > < a href = 'SkColor_Reference#Alpha' > components< / a >
< a href = 'SkColor_Reference#Alpha' > may< / a > < a href = 'SkColor_Reference#Alpha' > have< / a > < a href = 'SkColor_Reference#Alpha' > any< / a > < a href = 'SkColor_Reference#Alpha' > value< / a > . < a href = 'SkColor_Reference#Alpha' > There< / a > < a href = 'SkColor_Reference#Alpha' > may< / a > < a href = 'SkColor_Reference#Alpha' > be< / a > < a href = 'SkColor_Reference#Alpha' > a< / a > < a href = 'SkColor_Reference#Alpha' > performance< / a > < a href = 'SkColor_Reference#Alpha' > penalty< / a > < a href = 'SkColor_Reference#Alpha' > with< / a > < a href = 'undocumented#Unpremultiply' > Unpremultiplied< / a >
< a href = 'undocumented#Unpremultiply' > pixels< / a > .
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< a href = 'undocumented#Unpremultiply' > If< / a > < a href = 'undocumented#Unpremultiply' > paired< / a > < a href = 'undocumented#Unpremultiply' > with< / a > < a href = 'SkImageInfo_Reference#kOpaque_SkAlphaType' > kOpaque_SkAlphaType< / a > : < a href = 'SkImageInfo_Reference#kOpaque_SkAlphaType' > all< / a > < a href = 'SkColor_Reference#Alpha' > alpha< / a > < a href = 'SkColor_Reference#Alpha' > component< / a > < a href = 'SkColor_Reference#Alpha' > values< / a > < a href = 'SkColor_Reference#Alpha' > are< / a > < a href = 'SkColor_Reference#Alpha' > at< / a > < a href = 'SkColor_Reference#Alpha' > the< / a > < a href = 'SkColor_Reference#Alpha' > maximum< / a > ;
< a href = 'SkColor_Reference#Alpha' > blue< / a > , < a href = 'SkColor_Reference#Alpha' > green< / a > , < a href = 'SkColor_Reference#Alpha' > and< / a > < a href = 'SkColor_Reference#Alpha' > red< / a > < a href = 'SkColor_Reference#Alpha' > components< / a > < a href = 'SkColor_Reference#Alpha' > are< / a > < a href = 'SkColor_Reference#Alpha' > fully< / a > < a href = 'SkColor_Reference#Alpha' > opaque< / a > . < a href = 'SkColor_Reference#Alpha' > If< / a > < a href = 'SkColor_Reference#Alpha' > any< / a > < a href = 'SkColor_Reference#Alpha' > alpha< / a > < a href = 'SkColor_Reference#Alpha' > component< / a > < a href = 'SkColor_Reference#Alpha' > is< / a >
< a href = 'SkColor_Reference#Alpha' > less< / a > < a href = 'SkColor_Reference#Alpha' > than< / a > < a href = 'SkColor_Reference#Alpha' > one< / a > , < a href = 'SkColor_Reference#Alpha' > the< / a > < a href = 'SkColor_Reference#Alpha' > drawn< / a > < a href = 'SkColor_Reference#Alpha' > result< / a > < a href = 'SkColor_Reference#Alpha' > is< / a > < a href = 'SkColor_Reference#Alpha' > undefined< / a > .
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### Example
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< div > < fiddle-embed name = "dd81527bbdf5eaae7dd21ac04ab84f9e" > < / fiddle-embed > < / div >
### See Also
< a href = 'SkColor4f_Reference#SkColor4f' > SkColor4f< / a >
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< a name = 'Color_Type_RGBA_F32' > < / a >
---
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< a href = 'SkImageInfo_Reference#kRGBA_F32_SkColorType' > kRGBA_F32_SkColorType< / a > < a href = 'SkImageInfo_Reference#kRGBA_F32_SkColorType' > encodes< / a > < a href = 'SkImageInfo_Reference#kRGBA_F32_SkColorType' > ARGB< / a > < a href = 'SkImageInfo_Reference#kRGBA_F32_SkColorType' > into< / a > < a href = 'SkImageInfo_Reference#kRGBA_F32_SkColorType' > a< / a > 128-< a href = 'SkImageInfo_Reference#kRGBA_F32_SkColorType' > bit< / a > < a href = 'SkImageInfo_Reference#kRGBA_F32_SkColorType' > word< / a > . < a href = 'SkImageInfo_Reference#kRGBA_F32_SkColorType' > Each< / a > < a href = 'SkImageInfo_Reference#kRGBA_F32_SkColorType' > component< / a > :
< a href = 'SkImageInfo_Reference#kRGBA_F32_SkColorType' > blue< / a > , < a href = 'SkImageInfo_Reference#kRGBA_F32_SkColorType' > green< / a > , < a href = 'SkImageInfo_Reference#kRGBA_F32_SkColorType' > red< / a > , < a href = 'SkImageInfo_Reference#kRGBA_F32_SkColorType' > and< / a > < a href = 'SkColor_Reference#Alpha' > alpha< / a > ; < a href = 'SkColor_Reference#Alpha' > use< / a > 32 < a href = 'SkColor_Reference#Alpha' > bits< / a > , < a href = 'SkColor_Reference#Alpha' > describing< / a > < a href = 'SkColor_Reference#Alpha' > a< / a > < a href = 'SkColor_Reference#Alpha' > floating< / a > < a href = 'SkPoint_Reference#Point' > point< / a > < a href = 'SkPoint_Reference#Point' > value< / a > ,
< a href = 'SkPoint_Reference#Point' > from< / a > -3.402823< a href = 'SkPoint_Reference#Point' > e< / a > +38 < a href = 'SkPoint_Reference#Point' > to< / a > 3.402823< a href = 'SkPoint_Reference#Point' > e< / a > +38 < a href = 'SkPoint_Reference#Point' > with< / a > 7.225 < a href = 'SkPoint_Reference#Point' > decimal< / a > < a href = 'SkPoint_Reference#Point' > digits< / a > < a href = 'SkPoint_Reference#Point' > of< / a > < a href = 'SkPoint_Reference#Point' > precision< / a > .
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< a href = 'SkPoint_Reference#Point' > At< / a > < a href = 'SkPoint_Reference#Point' > present< / a > , < a href = 'SkColor_Reference#Color' > Color< / a > < a href = 'SkColor_Reference#Color' > in< / a > < a href = 'SkPaint_Reference#Paint' > Paint< / a > < a href = 'SkPaint_Reference#Paint' > does< / a > < a href = 'SkPaint_Reference#Paint' > not< / a > < a href = 'SkPaint_Reference#Paint' > provide< / a > < a href = 'SkPaint_Reference#Paint' > enough< / a > < a href = 'SkPaint_Reference#Paint' > precision< / a > < a href = 'SkPaint_Reference#Paint' > or< / a > < a href = 'SkPaint_Reference#Paint' > range< / a > < a href = 'SkPaint_Reference#Paint' > to< / a >
< a href = 'SkPaint_Reference#Paint' > draw< / a > < a href = 'SkPaint_Reference#Paint' > all< / a > < a href = 'SkPaint_Reference#Paint' > colors< / a > < a href = 'SkPaint_Reference#Paint' > possible< / a > < a href = 'SkPaint_Reference#Paint' > to< / a > < a href = 'SkPaint_Reference#Paint' > a< / a > < a href = 'SkImageInfo_Reference#kRGBA_F32_SkColorType' > kRGBA_F32_SkColorType< / a > < a href = 'SkSurface_Reference#Surface' > Surface< / a > .
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< a href = 'SkSurface_Reference#Surface' > Each< / a > < a href = 'SkSurface_Reference#Surface' > component< / a > < a href = 'SkSurface_Reference#Surface' > encodes< / a > < a href = 'SkSurface_Reference#Surface' > a< / a > < a href = 'SkSurface_Reference#Surface' > floating< / a > < a href = 'SkPoint_Reference#Point' > point< / a > < a href = 'SkPoint_Reference#Point' > value< / a > < a href = 'SkPoint_Reference#Point' > using< / a >
< a href = 'https://en.wikipedia.org/wiki/Single-precision_floating-point_format' > single-precision floats< / a > < / a > . Meaningful colors are represented by the range 0.0 to 1.0, although smaller
and larger values may be useful when used in combination with < a href = '#Transfer_Mode' > Transfer_Mode< / a > .
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![Color_Type_RGBA_F32 ](https://fiddle.skia.org/i/4ba31a8f9bc94a996f34da81ef541a9c_raster.png "" )
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If paired with < a href = 'SkImageInfo_Reference#kPremul_SkAlphaType' > kPremul_SkAlphaType< / a > : < a href = 'SkImageInfo_Reference#kPremul_SkAlphaType' > blue< / a > , < a href = 'SkImageInfo_Reference#kPremul_SkAlphaType' > green< / a > , < a href = 'SkImageInfo_Reference#kPremul_SkAlphaType' > and< / a > < a href = 'SkImageInfo_Reference#kPremul_SkAlphaType' > red< / a > < a href = 'SkImageInfo_Reference#kPremul_SkAlphaType' > components< / a > < a href = 'SkImageInfo_Reference#kPremul_SkAlphaType' > are< / a >
< a href = 'undocumented#Premultiply' > Premultiplied< / a > < a href = 'undocumented#Premultiply' > by< / a > < a href = 'undocumented#Premultiply' > the< / a > < a href = 'SkColor_Reference#Alpha' > alpha< / a > < a href = 'SkColor_Reference#Alpha' > value< / a > . < a href = 'SkColor_Reference#Alpha' > If< / a > < a href = 'SkColor_Reference#Alpha' > blue< / a > , < a href = 'SkColor_Reference#Alpha' > green< / a > , < a href = 'SkColor_Reference#Alpha' > or< / a > < a href = 'SkColor_Reference#Alpha' > red< / a > < a href = 'SkColor_Reference#Alpha' > is< / a > < a href = 'SkColor_Reference#Alpha' > greater< / a > < a href = 'SkColor_Reference#Alpha' > than< / a > < a href = 'SkColor_Reference#Alpha' > alpha< / a > ,
< a href = 'SkColor_Reference#Alpha' > the< / a > < a href = 'SkColor_Reference#Alpha' > drawn< / a > < a href = 'SkColor_Reference#Alpha' > result< / a > < a href = 'SkColor_Reference#Alpha' > is< / a > < a href = 'SkColor_Reference#Alpha' > undefined< / a > .
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< a href = 'SkColor_Reference#Alpha' > If< / a > < a href = 'SkColor_Reference#Alpha' > paired< / a > < a href = 'SkColor_Reference#Alpha' > with< / a > < a href = 'SkImageInfo_Reference#kUnpremul_SkAlphaType' > kUnpremul_SkAlphaType< / a > : < a href = 'SkImageInfo_Reference#kUnpremul_SkAlphaType' > blue< / a > , < a href = 'SkImageInfo_Reference#kUnpremul_SkAlphaType' > green< / a > , < a href = 'SkImageInfo_Reference#kUnpremul_SkAlphaType' > red< / a > , < a href = 'SkImageInfo_Reference#kUnpremul_SkAlphaType' > and< / a > < a href = 'SkColor_Reference#Alpha' > alpha< / a > < a href = 'SkColor_Reference#Alpha' > components< / a >
< a href = 'SkColor_Reference#Alpha' > may< / a > < a href = 'SkColor_Reference#Alpha' > have< / a > < a href = 'SkColor_Reference#Alpha' > any< / a > < a href = 'SkColor_Reference#Alpha' > value< / a > . < a href = 'SkColor_Reference#Alpha' > There< / a > < a href = 'SkColor_Reference#Alpha' > may< / a > < a href = 'SkColor_Reference#Alpha' > be< / a > < a href = 'SkColor_Reference#Alpha' > a< / a > < a href = 'SkColor_Reference#Alpha' > performance< / a > < a href = 'SkColor_Reference#Alpha' > penalty< / a > < a href = 'SkColor_Reference#Alpha' > with< / a > < a href = 'undocumented#Unpremultiply' > Unpremultiplied< / a >
< a href = 'undocumented#Unpremultiply' > pixels< / a > .
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< a href = 'undocumented#Unpremultiply' > If< / a > < a href = 'undocumented#Unpremultiply' > paired< / a > < a href = 'undocumented#Unpremultiply' > with< / a > < a href = 'SkImageInfo_Reference#kOpaque_SkAlphaType' > kOpaque_SkAlphaType< / a > : < a href = 'SkImageInfo_Reference#kOpaque_SkAlphaType' > all< / a > < a href = 'SkColor_Reference#Alpha' > alpha< / a > < a href = 'SkColor_Reference#Alpha' > component< / a > < a href = 'SkColor_Reference#Alpha' > values< / a > < a href = 'SkColor_Reference#Alpha' > are< / a > < a href = 'SkColor_Reference#Alpha' > at< / a > < a href = 'SkColor_Reference#Alpha' > the< / a > < a href = 'SkColor_Reference#Alpha' > maximum< / a > ;
< a href = 'SkColor_Reference#Alpha' > blue< / a > , < a href = 'SkColor_Reference#Alpha' > green< / a > , < a href = 'SkColor_Reference#Alpha' > and< / a > < a href = 'SkColor_Reference#Alpha' > red< / a > < a href = 'SkColor_Reference#Alpha' > components< / a > < a href = 'SkColor_Reference#Alpha' > are< / a > < a href = 'SkColor_Reference#Alpha' > fully< / a > < a href = 'SkColor_Reference#Alpha' > opaque< / a > . < a href = 'SkColor_Reference#Alpha' > If< / a > < a href = 'SkColor_Reference#Alpha' > any< / a > < a href = 'SkColor_Reference#Alpha' > alpha< / a > < a href = 'SkColor_Reference#Alpha' > component< / a > < a href = 'SkColor_Reference#Alpha' > is< / a >
< a href = 'SkColor_Reference#Alpha' > less< / a > < a href = 'SkColor_Reference#Alpha' > than< / a > < a href = 'SkColor_Reference#Alpha' > one< / a > , < a href = 'SkColor_Reference#Alpha' > the< / a > < a href = 'SkColor_Reference#Alpha' > drawn< / a > < a href = 'SkColor_Reference#Alpha' > result< / a > < a href = 'SkColor_Reference#Alpha' > is< / a > < a href = 'SkColor_Reference#Alpha' > undefined< / a > .
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### See Also
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< a href = 'SkColor4f_Reference#SkColor4f' > SkColor4f< / a >
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< a name = 'SkColorTypeBytesPerPixel' > < / a >
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---
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< pre style = "padding: 1em 1em 1em 1em; width: 62.5em;background-color: #f0f0f0 " >
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int < a href = 'SkImageInfo_Reference#SkColorTypeBytesPerPixel' > SkColorTypeBytesPerPixel< / a > (< a href = 'SkImageInfo_Reference#SkColorType' > SkColorType< / a > < a href = 'SkImageInfo_Reference#SkColorType' > ct< / a > )
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< / pre >
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Returns the number of bytes required to store a < a href = 'undocumented#Pixel' > pixel< / a > , < a href = 'undocumented#Pixel' > including< / a > < a href = 'undocumented#Pixel' > unused< / a > < a href = 'undocumented#Pixel' > padding< / a > .
Returns zero if < a href = '#SkColorTypeBytesPerPixel_ct' > ct< / a > < a href = '#SkColorTypeBytesPerPixel_ct' > is< / a > < a href = 'SkImageInfo_Reference#kUnknown_SkColorType' > kUnknown_SkColorType< / a > < a href = 'SkImageInfo_Reference#kUnknown_SkColorType' > or< / a > < a href = 'SkImageInfo_Reference#kUnknown_SkColorType' > invalid< / a > .
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### Parameters
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< table > < tr > < td > < a name = 'SkColorTypeBytesPerPixel_ct' > < code > < strong > ct< / strong > < / code > < / a > < / td >
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< td > one of:< / td >
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< / tr >
< / table >
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< a href = 'SkImageInfo_Reference#kUnknown_SkColorType' > kUnknown_SkColorType< / a > , < a href = 'SkImageInfo_Reference#kAlpha_8_SkColorType' > kAlpha_8_SkColorType< / a > , < a href = 'SkImageInfo_Reference#kRGB_565_SkColorType' > kRGB_565_SkColorType< / a > ,
< a href = 'SkImageInfo_Reference#kARGB_4444_SkColorType' > kARGB_4444_SkColorType< / a > , < a href = 'SkImageInfo_Reference#kRGBA_8888_SkColorType' > kRGBA_8888_SkColorType< / a > , < a href = 'SkImageInfo_Reference#kRGB_888x_SkColorType' > kRGB_888x_SkColorType< / a > ,
< a href = 'SkImageInfo_Reference#kBGRA_8888_SkColorType' > kBGRA_8888_SkColorType< / a > , < a href = 'SkImageInfo_Reference#kRGBA_1010102_SkColorType' > kRGBA_1010102_SkColorType< / a > , < a href = 'SkImageInfo_Reference#kRGB_101010x_SkColorType' > kRGB_101010x_SkColorType< / a > ,
< a href = 'SkImageInfo_Reference#kGray_8_SkColorType' > kGray_8_SkColorType< / a > , < a href = 'SkImageInfo_Reference#kRGBA_F16_SkColorType' > kRGBA_F16_SkColorType< / a >
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### Return Value
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bytes per < a href = 'undocumented#Pixel' > pixel< / a >
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### Example
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< div > < fiddle-embed name = "09ef49d07cb7005ba3e34d5ea53896f5" > < a href = 'SkImageInfo_Reference#kUnknown_SkColorType' > kUnknown_SkColorType< / a > , < a href = 'SkImageInfo_Reference#kAlpha_8_SkColorType' > kAlpha_8_SkColorType< / a > , < a href = 'SkImageInfo_Reference#kRGB_565_SkColorType' > kRGB_565_SkColorType< / a > ,
< a href = 'SkImageInfo_Reference#kARGB_4444_SkColorType' > kARGB_4444_SkColorType< / a > , < a href = 'SkImageInfo_Reference#kRGBA_8888_SkColorType' > kRGBA_8888_SkColorType< / a > , < a href = 'SkImageInfo_Reference#kRGB_888x_SkColorType' > kRGB_888x_SkColorType< / a > ,
< a href = 'SkImageInfo_Reference#kBGRA_8888_SkColorType' > kBGRA_8888_SkColorType< / a > , < a href = 'SkImageInfo_Reference#kRGBA_1010102_SkColorType' > kRGBA_1010102_SkColorType< / a > , < a href = 'SkImageInfo_Reference#kRGB_101010x_SkColorType' > kRGB_101010x_SkColorType< / a > ,
< a href = 'SkImageInfo_Reference#kGray_8_SkColorType' > kGray_8_SkColorType< / a > , < a href = 'SkImageInfo_Reference#kRGBA_F16_SkColorType' > kRGBA_F16_SkColorType< / a >
< / fiddle-embed > < / div >
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### See Also
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< a href = 'SkImageInfo_Reference#SkImageInfo' > SkImageInfo< / a > ::< a href = '#SkImageInfo_bytesPerPixel' > bytesPerPixel< / a >
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< a name = 'SkColorTypeIsAlwaysOpaque' > < / a >
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---
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< pre style = "padding: 1em 1em 1em 1em; width: 62.5em;background-color: #f0f0f0 " >
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bool < a href = 'SkImageInfo_Reference#SkColorTypeIsAlwaysOpaque' > SkColorTypeIsAlwaysOpaque< / a > (< a href = 'SkImageInfo_Reference#SkColorType' > SkColorType< / a > < a href = 'SkImageInfo_Reference#SkColorType' > ct< / a > )
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< / pre >
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Returns true if < a href = 'SkImageInfo_Reference#SkColorType' > SkColorType< / a > < a href = 'SkImageInfo_Reference#SkColorType' > always< / a > < a href = 'SkImageInfo_Reference#SkColorType' > decodes< / a > < a href = 'SkColor_Reference#Alpha' > alpha< / a > < a href = 'SkColor_Reference#Alpha' > to< / a > 1.0, < a href = 'SkColor_Reference#Alpha' > making< / a > < a href = 'SkColor_Reference#Alpha' > the< / a > < a href = 'undocumented#Pixel' > pixel< / a >
fully opaque. If true, < a href = 'SkImageInfo_Reference#SkColorType' > SkColorType< / a > < a href = 'SkImageInfo_Reference#SkColorType' > does< / a > < a href = 'SkImageInfo_Reference#SkColorType' > not< / a > < a href = 'SkImageInfo_Reference#SkColorType' > reserve< / a > < a href = 'SkImageInfo_Reference#SkColorType' > bits< / a > < a href = 'SkImageInfo_Reference#SkColorType' > to< / a > < a href = 'SkImageInfo_Reference#SkColorType' > encode< / a > < a href = 'SkColor_Reference#Alpha' > alpha< / a > .
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### Parameters
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< table > < tr > < td > < a name = 'SkColorTypeIsAlwaysOpaque_ct' > < code > < strong > ct< / strong > < / code > < / a > < / td >
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< td > one of:< / td >
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< / tr >
< / table >
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< a href = 'SkImageInfo_Reference#kUnknown_SkColorType' > kUnknown_SkColorType< / a > , < a href = 'SkImageInfo_Reference#kAlpha_8_SkColorType' > kAlpha_8_SkColorType< / a > , < a href = 'SkImageInfo_Reference#kRGB_565_SkColorType' > kRGB_565_SkColorType< / a > ,
< a href = 'SkImageInfo_Reference#kARGB_4444_SkColorType' > kARGB_4444_SkColorType< / a > , < a href = 'SkImageInfo_Reference#kRGBA_8888_SkColorType' > kRGBA_8888_SkColorType< / a > , < a href = 'SkImageInfo_Reference#kRGB_888x_SkColorType' > kRGB_888x_SkColorType< / a > ,
< a href = 'SkImageInfo_Reference#kBGRA_8888_SkColorType' > kBGRA_8888_SkColorType< / a > , < a href = 'SkImageInfo_Reference#kRGBA_1010102_SkColorType' > kRGBA_1010102_SkColorType< / a > , < a href = 'SkImageInfo_Reference#kRGB_101010x_SkColorType' > kRGB_101010x_SkColorType< / a > ,
< a href = 'SkImageInfo_Reference#kGray_8_SkColorType' > kGray_8_SkColorType< / a > , < a href = 'SkImageInfo_Reference#kRGBA_F16_SkColorType' > kRGBA_F16_SkColorType< / a >
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### Return Value
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true if < a href = 'SkColor_Reference#Alpha' > alpha< / a > < a href = 'SkColor_Reference#Alpha' > is< / a > < a href = 'SkColor_Reference#Alpha' > always< / a > < a href = 'SkColor_Reference#Alpha' > set< / a > < a href = 'SkColor_Reference#Alpha' > to< / a > 1.0
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### Example
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< div > < fiddle-embed name = "9b3eb5aaa0dfea9feee54e7650fa5446" > < a href = 'SkImageInfo_Reference#kUnknown_SkColorType' > kUnknown_SkColorType< / a > , < a href = 'SkImageInfo_Reference#kAlpha_8_SkColorType' > kAlpha_8_SkColorType< / a > , < a href = 'SkImageInfo_Reference#kRGB_565_SkColorType' > kRGB_565_SkColorType< / a > ,
< a href = 'SkImageInfo_Reference#kARGB_4444_SkColorType' > kARGB_4444_SkColorType< / a > , < a href = 'SkImageInfo_Reference#kRGBA_8888_SkColorType' > kRGBA_8888_SkColorType< / a > , < a href = 'SkImageInfo_Reference#kRGB_888x_SkColorType' > kRGB_888x_SkColorType< / a > ,
< a href = 'SkImageInfo_Reference#kBGRA_8888_SkColorType' > kBGRA_8888_SkColorType< / a > , < a href = 'SkImageInfo_Reference#kRGBA_1010102_SkColorType' > kRGBA_1010102_SkColorType< / a > , < a href = 'SkImageInfo_Reference#kRGB_101010x_SkColorType' > kRGB_101010x_SkColorType< / a > ,
< a href = 'SkImageInfo_Reference#kGray_8_SkColorType' > kGray_8_SkColorType< / a > , < a href = 'SkImageInfo_Reference#kRGBA_F16_SkColorType' > kRGBA_F16_SkColorType< / a >
< / fiddle-embed > < / div >
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### See Also
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< a href = 'SkImageInfo_Reference#SkColorTypeValidateAlphaType' > SkColorTypeValidateAlphaType< / a >
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< a name = 'SkColorTypeValidateAlphaType' > < / a >
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---
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< pre style = "padding: 1em 1em 1em 1em; width: 62.5em;background-color: #f0f0f0 " >
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bool < a href = 'SkImageInfo_Reference#SkColorTypeValidateAlphaType' > SkColorTypeValidateAlphaType< / a > (< a href = 'SkImageInfo_Reference#SkColorType' > SkColorType< / a > < a href = 'SkImageInfo_Reference#SkColorType' > colorType< / a > , < a href = 'SkImageInfo_Reference#SkAlphaType' > SkAlphaType< / a > < a href = 'SkImageInfo_Reference#SkAlphaType' > alphaType< / a > ,
< a href = 'SkImageInfo_Reference#SkAlphaType' > SkAlphaType< / a > * < a href = 'SkImageInfo_Reference#SkAlphaType' > canonical< / a > = < a href = 'SkImageInfo_Reference#SkAlphaType' > nullptr< / a > )
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< / pre >
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Returns true if < a href = '#SkColorTypeValidateAlphaType_canonical' > canonical< / a > < a href = '#SkColorTypeValidateAlphaType_canonical' > can< / a > < a href = '#SkColorTypeValidateAlphaType_canonical' > be< / a > < a href = '#SkColorTypeValidateAlphaType_canonical' > set< / a > < a href = '#SkColorTypeValidateAlphaType_canonical' > to< / a > < a href = '#SkColorTypeValidateAlphaType_canonical' > a< / a > < a href = '#SkColorTypeValidateAlphaType_canonical' > valid< / a > < a href = 'SkImageInfo_Reference#SkAlphaType' > SkAlphaType< / a > < a href = 'SkImageInfo_Reference#SkAlphaType' > for< / a > < a href = '#SkColorTypeValidateAlphaType_colorType' > colorType< / a > . < a href = '#SkColorTypeValidateAlphaType_colorType' > If< / a >
there is more than one valid < a href = '#SkColorTypeValidateAlphaType_canonical' > canonical< / a > < a href = 'SkImageInfo_Reference#SkAlphaType' > SkAlphaType< / a > , < a href = 'SkImageInfo_Reference#SkAlphaType' > set< / a > < a href = 'SkImageInfo_Reference#SkAlphaType' > to< / a > < a href = '#SkColorTypeValidateAlphaType_alphaType' > alphaType< / a > , < a href = '#SkColorTypeValidateAlphaType_alphaType' > if< / a > < a href = '#SkColorTypeValidateAlphaType_alphaType' > valid< / a > .
If true is returned and < a href = '#SkColorTypeValidateAlphaType_canonical' > canonical< / a > < a href = '#SkColorTypeValidateAlphaType_canonical' > is< / a > < a href = '#SkColorTypeValidateAlphaType_canonical' > not< / a > < a href = '#SkColorTypeValidateAlphaType_canonical' > nullptr< / a > , < a href = '#SkColorTypeValidateAlphaType_canonical' > store< / a > < a href = '#SkColorTypeValidateAlphaType_canonical' > valid< / a > < a href = 'SkImageInfo_Reference#SkAlphaType' > SkAlphaType< / a > .
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Returns false only if < a href = '#SkColorTypeValidateAlphaType_alphaType' > alphaType< / a > < a href = '#SkColorTypeValidateAlphaType_alphaType' > is< / a > < a href = 'SkImageInfo_Reference#kUnknown_SkAlphaType' > kUnknown_SkAlphaType< / a > , < a href = 'SkImageInfo_Reference#Color_Type' > color type< / a > < a href = 'SkColor_Reference#Color' > is< / a > < a href = 'SkColor_Reference#Color' > not< / a >
< a href = 'SkImageInfo_Reference#kUnknown_SkColorType' > kUnknown_SkColorType< / a > , < a href = 'SkImageInfo_Reference#kUnknown_SkColorType' > and< / a > < a href = 'SkImageInfo_Reference#SkColorType' > SkColorType< / a > < a href = 'SkImageInfo_Reference#SkColorType' > is< / a > < a href = 'SkImageInfo_Reference#SkColorType' > not< / a > < a href = 'SkImageInfo_Reference#SkColorType' > always< / a > < a href = 'SkImageInfo_Reference#SkColorType' > opaque< / a > . < a href = 'SkImageInfo_Reference#SkColorType' > If< / a > < a href = 'SkImageInfo_Reference#SkColorType' > false< / a > < a href = 'SkImageInfo_Reference#SkColorType' > is< / a > < a href = 'SkImageInfo_Reference#SkColorType' > returned< / a > ,
< a href = '#SkColorTypeValidateAlphaType_canonical' > canonical< / a > < a href = '#SkColorTypeValidateAlphaType_canonical' > is< / a > < a href = '#SkColorTypeValidateAlphaType_canonical' > ignored< / a > .
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For < a href = 'SkImageInfo_Reference#kUnknown_SkColorType' > kUnknown_SkColorType< / a > : < a href = 'SkImageInfo_Reference#kUnknown_SkColorType' > set< / a > < a href = '#SkColorTypeValidateAlphaType_canonical' > canonical< / a > < a href = '#SkColorTypeValidateAlphaType_canonical' > to< / a > < a href = 'SkImageInfo_Reference#kUnknown_SkAlphaType' > kUnknown_SkAlphaType< / a > < a href = 'SkImageInfo_Reference#kUnknown_SkAlphaType' > and< / a > < a href = 'SkImageInfo_Reference#kUnknown_SkAlphaType' > return< / a > < a href = 'SkImageInfo_Reference#kUnknown_SkAlphaType' > true< / a > .
For < a href = 'SkImageInfo_Reference#kAlpha_8_SkColorType' > kAlpha_8_SkColorType< / a > : < a href = 'SkImageInfo_Reference#kAlpha_8_SkColorType' > set< / a > < a href = '#SkColorTypeValidateAlphaType_canonical' > canonical< / a > < a href = '#SkColorTypeValidateAlphaType_canonical' > to< / a > < a href = 'SkImageInfo_Reference#kPremul_SkAlphaType' > kPremul_SkAlphaType< / a > < a href = 'SkImageInfo_Reference#kPremul_SkAlphaType' > or< / a >
< a href = 'SkImageInfo_Reference#kOpaque_SkAlphaType' > kOpaque_SkAlphaType< / a > < a href = 'SkImageInfo_Reference#kOpaque_SkAlphaType' > and< / a > < a href = 'SkImageInfo_Reference#kOpaque_SkAlphaType' > return< / a > < a href = 'SkImageInfo_Reference#kOpaque_SkAlphaType' > true< / a > < a href = 'SkImageInfo_Reference#kOpaque_SkAlphaType' > if< / a > < a href = '#SkColorTypeValidateAlphaType_alphaType' > alphaType< / a > < a href = '#SkColorTypeValidateAlphaType_alphaType' > is< / a > < a href = '#SkColorTypeValidateAlphaType_alphaType' > not< / a > < a href = 'SkImageInfo_Reference#kUnknown_SkAlphaType' > kUnknown_SkAlphaType< / a > .
For < a href = 'SkImageInfo_Reference#kRGB_565_SkColorType' > kRGB_565_SkColorType< / a > , < a href = 'SkImageInfo_Reference#kRGB_888x_SkColorType' > kRGB_888x_SkColorType< / a > , < a href = 'SkImageInfo_Reference#kRGB_101010x_SkColorType' > kRGB_101010x_SkColorType< / a > , < a href = 'SkImageInfo_Reference#kRGB_101010x_SkColorType' > and< / a >
< a href = 'SkImageInfo_Reference#kGray_8_SkColorType' > kGray_8_SkColorType< / a > : < a href = 'SkImageInfo_Reference#kGray_8_SkColorType' > set< / a > < a href = '#SkColorTypeValidateAlphaType_canonical' > canonical< / a > < a href = '#SkColorTypeValidateAlphaType_canonical' > to< / a > < a href = 'SkImageInfo_Reference#kOpaque_SkAlphaType' > kOpaque_SkAlphaType< / a > < a href = 'SkImageInfo_Reference#kOpaque_SkAlphaType' > and< / a > < a href = 'SkImageInfo_Reference#kOpaque_SkAlphaType' > return< / a > < a href = 'SkImageInfo_Reference#kOpaque_SkAlphaType' > true< / a > .
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For < a href = 'SkImageInfo_Reference#kARGB_4444_SkColorType' > kARGB_4444_SkColorType< / a > , < a href = 'SkImageInfo_Reference#kRGBA_8888_SkColorType' > kRGBA_8888_SkColorType< / a > , < a href = 'SkImageInfo_Reference#kBGRA_8888_SkColorType' > kBGRA_8888_SkColorType< / a > ,
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< a href = 'SkImageInfo_Reference#kRGBA_1010102_SkColorType' > kRGBA_1010102_SkColorType< / a > , < a href = 'SkImageInfo_Reference#kRGBA_1010102_SkColorType' > and< / a > < a href = 'SkImageInfo_Reference#kRGBA_F16_SkColorType' > kRGBA_F16_SkColorType< / a > : < a href = 'SkImageInfo_Reference#kRGBA_F16_SkColorType' > set< / a > < a href = '#SkColorTypeValidateAlphaType_canonical' > canonical< / a > < a href = '#SkColorTypeValidateAlphaType_canonical' > to< / a > < a href = '#SkColorTypeValidateAlphaType_alphaType' > alphaType< / a >
and return true if < a href = '#SkColorTypeValidateAlphaType_alphaType' > alphaType< / a > < a href = '#SkColorTypeValidateAlphaType_alphaType' > is< / a > < a href = '#SkColorTypeValidateAlphaType_alphaType' > not< / a > < a href = 'SkImageInfo_Reference#kUnknown_SkAlphaType' > kUnknown_SkAlphaType< / a > .
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### Parameters
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< table > < tr > < td > < a name = 'SkColorTypeValidateAlphaType_colorType' > < code > < strong > colorType< / strong > < / code > < / a > < / td >
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< td > one of:< / td >
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< / tr >
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< / table >
< a href = 'SkImageInfo_Reference#kUnknown_SkColorType' > kUnknown_SkColorType< / a > , < a href = 'SkImageInfo_Reference#kAlpha_8_SkColorType' > kAlpha_8_SkColorType< / a > , < a href = 'SkImageInfo_Reference#kRGB_565_SkColorType' > kRGB_565_SkColorType< / a > ,
< a href = 'SkImageInfo_Reference#kARGB_4444_SkColorType' > kARGB_4444_SkColorType< / a > , < a href = 'SkImageInfo_Reference#kRGBA_8888_SkColorType' > kRGBA_8888_SkColorType< / a > , < a href = 'SkImageInfo_Reference#kRGB_888x_SkColorType' > kRGB_888x_SkColorType< / a > ,
< a href = 'SkImageInfo_Reference#kBGRA_8888_SkColorType' > kBGRA_8888_SkColorType< / a > , < a href = 'SkImageInfo_Reference#kRGBA_1010102_SkColorType' > kRGBA_1010102_SkColorType< / a > , < a href = 'SkImageInfo_Reference#kRGB_101010x_SkColorType' > kRGB_101010x_SkColorType< / a > ,
< a href = 'SkImageInfo_Reference#kGray_8_SkColorType' > kGray_8_SkColorType< / a > , < a href = 'SkImageInfo_Reference#kRGBA_F16_SkColorType' > kRGBA_F16_SkColorType< / a >
### Parameters
< table > < tr > < td > < a name = 'SkColorTypeValidateAlphaType_alphaType' > < code > < strong > alphaType< / strong > < / code > < / a > < / td >
< td > one of:< / td >
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< / tr >
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< / table >
< a href = 'SkImageInfo_Reference#kUnknown_SkAlphaType' > kUnknown_SkAlphaType< / a > , < a href = 'SkImageInfo_Reference#kOpaque_SkAlphaType' > kOpaque_SkAlphaType< / a > , < a href = 'SkImageInfo_Reference#kPremul_SkAlphaType' > kPremul_SkAlphaType< / a > ,
< a href = 'SkImageInfo_Reference#kUnpremul_SkAlphaType' > kUnpremul_SkAlphaType< / a >
### Parameters
< table > < tr > < td > < a name = 'SkColorTypeValidateAlphaType_canonical' > < code > < strong > canonical< / strong > < / code > < / a > < / td >
< td > storage for < a href = 'SkImageInfo_Reference#SkAlphaType' > SkAlphaType< / a > < / td >
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< / tr >
< / table >
### Return Value
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true if valid < a href = 'SkImageInfo_Reference#SkAlphaType' > SkAlphaType< / a > < a href = 'SkImageInfo_Reference#SkAlphaType' > can< / a > < a href = 'SkImageInfo_Reference#SkAlphaType' > be< / a > < a href = 'SkImageInfo_Reference#SkAlphaType' > associated< / a > < a href = 'SkImageInfo_Reference#SkAlphaType' > with< / a > < a href = '#SkColorTypeValidateAlphaType_colorType' > colorType< / a >
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### Example
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< div > < fiddle-embed name = "befac1c29ed21507d367e4d824383a04" > < a href = 'SkImageInfo_Reference#kUnknown_SkAlphaType' > kUnknown_SkAlphaType< / a > , < a href = 'SkImageInfo_Reference#kOpaque_SkAlphaType' > kOpaque_SkAlphaType< / a > , < a href = 'SkImageInfo_Reference#kPremul_SkAlphaType' > kPremul_SkAlphaType< / a > ,
< a href = 'SkImageInfo_Reference#kUnpremul_SkAlphaType' > kUnpremul_SkAlphaType< / a >
< a href = 'SkImageInfo_Reference#kUnknown_SkColorType' > kUnknown_SkColorType< / a > , < a href = 'SkImageInfo_Reference#kAlpha_8_SkColorType' > kAlpha_8_SkColorType< / a > , < a href = 'SkImageInfo_Reference#kRGB_565_SkColorType' > kRGB_565_SkColorType< / a > ,
< a href = 'SkImageInfo_Reference#kARGB_4444_SkColorType' > kARGB_4444_SkColorType< / a > , < a href = 'SkImageInfo_Reference#kRGBA_8888_SkColorType' > kRGBA_8888_SkColorType< / a > , < a href = 'SkImageInfo_Reference#kRGB_888x_SkColorType' > kRGB_888x_SkColorType< / a > ,
< a href = 'SkImageInfo_Reference#kBGRA_8888_SkColorType' > kBGRA_8888_SkColorType< / a > , < a href = 'SkImageInfo_Reference#kRGBA_1010102_SkColorType' > kRGBA_1010102_SkColorType< / a > , < a href = 'SkImageInfo_Reference#kRGB_101010x_SkColorType' > kRGB_101010x_SkColorType< / a > ,
< a href = 'SkImageInfo_Reference#kGray_8_SkColorType' > kGray_8_SkColorType< / a > , < a href = 'SkImageInfo_Reference#kRGBA_F16_SkColorType' > kRGBA_F16_SkColorType< / a >
< / fiddle-embed > < / div >
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### See Also
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< a href = 'SkImageInfo_Reference#SkColorTypeIsAlwaysOpaque' > SkColorTypeIsAlwaysOpaque< / a >
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< a name = 'YUV_ColorSpace' > < / a >
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< a name = 'SkYUVColorSpace' > < / a >
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---
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< pre style = "padding: 1em 1em 1em 1em;width: 62.5em; background-color: #f0f0f0 " >
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enum < a href = 'SkImageInfo_Reference#SkYUVColorSpace' > SkYUVColorSpace< / a > {
< a href = 'SkImageInfo_Reference#kJPEG_SkYUVColorSpace' > kJPEG_SkYUVColorSpace< / a > ,
< a href = 'SkImageInfo_Reference#kRec601_SkYUVColorSpace' > kRec601_SkYUVColorSpace< / a > ,
< a href = 'SkImageInfo_Reference#kRec709_SkYUVColorSpace' > kRec709_SkYUVColorSpace< / a > ,
< a href = 'SkImageInfo_Reference#kLastEnum_SkYUVColorSpace' > kLastEnum_SkYUVColorSpace< / a > = < a href = 'SkImageInfo_Reference#kRec709_SkYUVColorSpace' > kRec709_SkYUVColorSpace< / a > ,
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};
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< / pre >
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Describes < a href = 'SkColor_Reference#Color' > color< / a > < a href = 'SkColor_Reference#Color' > range< / a > < a href = 'SkColor_Reference#Color' > of< / a > < a href = 'SkColor_Reference#Color' > YUV< / a > < a href = 'SkColor_Reference#Color' > pixels< / a > . < a href = 'SkColor_Reference#Color' > The< / a > < a href = 'SkColor_Reference#Color' > color< / a > < a href = 'SkColor_Reference#Color' > mapping< / a > < a href = 'SkColor_Reference#Color' > from< / a > < a href = 'SkColor_Reference#Color' > YUV< / a > < a href = 'SkColor_Reference#Color' > to< / a > < a href = 'SkColor_Reference#Color' > RGB< / a > < a href = 'SkColor_Reference#Color' > varies< / a >
< a href = 'SkColor_Reference#Color' > depending< / a > < a href = 'SkColor_Reference#Color' > on< / a > < a href = 'SkColor_Reference#Color' > the< / a > < a href = 'SkColor_Reference#Color' > source< / a > . < a href = 'SkColor_Reference#Color' > YUV< / a > < a href = 'SkColor_Reference#Color' > pixels< / a > < a href = 'SkColor_Reference#Color' > may< / a > < a href = 'SkColor_Reference#Color' > be< / a > < a href = 'SkColor_Reference#Color' > generated< / a > < a href = 'SkColor_Reference#Color' > by< / a > < a href = 'SkColor_Reference#Color' > JPEG< / a > < a href = 'SkColor_Reference#Color' > images< / a > , < a href = 'SkColor_Reference#Color' > standard< / a >
< a href = 'SkColor_Reference#Color' > video< / a > < a href = 'SkColor_Reference#Color' > streams< / a > , < a href = 'SkColor_Reference#Color' > or< / a > < a href = 'SkColor_Reference#Color' > high< / a > < a href = 'SkColor_Reference#Color' > definition< / a > < a href = 'SkColor_Reference#Color' > video< / a > < a href = 'SkColor_Reference#Color' > streams< / a > . < a href = 'SkColor_Reference#Color' > Each< / a > < a href = 'SkColor_Reference#Color' > has< / a > < a href = 'SkColor_Reference#Color' > its< / a > < a href = 'SkColor_Reference#Color' > own< / a > < a href = 'SkColor_Reference#Color' > mapping< / a > < a href = 'SkColor_Reference#Color' > from< / a >
< a href = 'SkColor_Reference#Color' > YUV< / a > < a href = 'SkColor_Reference#Color' > and< / a > < a href = 'SkColor_Reference#Color' > RGB< / a > .
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< a href = 'SkColor_Reference#Color' > JPEG< / a > < a href = 'SkColor_Reference#Color' > YUV< / a > < a href = 'SkColor_Reference#Color' > values< / a > < a href = 'SkColor_Reference#Color' > encode< / a > < a href = 'SkColor_Reference#Color' > the< / a > < a href = 'SkColor_Reference#Color' > full< / a > < a href = 'SkColor_Reference#Color' > range< / a > < a href = 'SkColor_Reference#Color' > of< / a > 0 < a href = 'SkColor_Reference#Color' > to< / a > 255 < a href = 'SkColor_Reference#Color' > for< / a > < a href = 'SkColor_Reference#Color' > all< / a > < a href = 'SkColor_Reference#Color' > three< / a > < a href = 'SkColor_Reference#Color' > components< / a > .
< a href = 'SkColor_Reference#Color' > Video< / a > < a href = 'SkColor_Reference#Color' > YUV< / a > < a href = 'SkColor_Reference#Color' > values< / a > < a href = 'SkColor_Reference#Color' > range< / a > < a href = 'SkColor_Reference#Color' > from< / a > 16 < a href = 'SkColor_Reference#Color' > to< / a > 235 < a href = 'SkColor_Reference#Color' > for< / a > < a href = 'SkColor_Reference#Color' > all< / a > < a href = 'SkColor_Reference#Color' > three< / a > < a href = 'SkColor_Reference#Color' > components< / a > . < a href = 'SkColor_Reference#Color' > Details< / a > < a href = 'SkColor_Reference#Color' > of< / a >
< a href = 'SkColor_Reference#Color' > encoding< / a > < a href = 'SkColor_Reference#Color' > and< / a > < a href = 'SkColor_Reference#Color' > conversion< / a > < a href = 'SkColor_Reference#Color' > to< / a > < a href = 'SkColor_Reference#Color' > RGB< / a > < a href = 'SkColor_Reference#Color' > are< / a > < a href = 'SkColor_Reference#Color' > described< / a > < a href = 'SkColor_Reference#Color' > in< / a >
< a href = 'https://en.wikipedia.org/wiki/YCbCr' > YCbCr color space< / a > < / a > .
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### Constants
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< table style = 'border-collapse: collapse; width: 62.5em' >
< tr >< th style = 'text-align: left; border: 2px solid #dddddd ; padding: 8px; ' > Const</ th >
< th style = 'text-align: center; border: 2px solid #dddddd ; padding: 8px; ' > Value</ th >
< th style = 'text-align: left; border: 2px solid #dddddd ; padding: 8px; ' > Description</ th ></ tr >
< tr style = 'background-color: #f0f0f0 ; ' >
< td style = 'text-align: left; border: 2px solid #dddddd ; padding: 8px; ' >< a name = 'kJPEG_SkYUVColorSpace' >< code > kJPEG_SkYUVColorSpace</ code ></ a ></ td >
< td style = 'text-align: center; border: 2px solid #dddddd ; padding: 8px; ' > 0</ td >
< td style = 'text-align: left; border: 2px solid #dddddd ; padding: 8px; ' >
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Describes standard JPEG < a href = 'undocumented#Color_Space' > color space< / a > ;
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< a href = 'https://en.wikipedia.org/wiki/Rec._601' > CCIR 601< / a > < / a > with full range of 0 to 255 for components.
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< / td >
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< / tr >
< tr >
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< td style = 'text-align: left; border: 2px solid #dddddd ; padding: 8px; ' >< a name = 'kRec601_SkYUVColorSpace' >< code > kRec601_SkYUVColorSpace</ code ></ a ></ td >
< td style = 'text-align: center; border: 2px solid #dddddd ; padding: 8px; ' > 1</ td >
< td style = 'text-align: left; border: 2px solid #dddddd ; padding: 8px; ' >
Describes standard used by standard definition television;
< a href = 'https://en.wikipedia.org/wiki/Rec._601' > CCIR 601< / a > < / a > with studio range of 16 to 235 range for components.
< / td >
< / tr >
< tr style = 'background-color: #f0f0f0 ; ' >
< td style = 'text-align: left; border: 2px solid #dddddd ; padding: 8px; ' >< a name = 'kRec709_SkYUVColorSpace' >< code > kRec709_SkYUVColorSpace</ code ></ a ></ td >
< td style = 'text-align: center; border: 2px solid #dddddd ; padding: 8px; ' > 2</ td >
< td style = 'text-align: left; border: 2px solid #dddddd ; padding: 8px; ' >
Describes standard used by high definition television;
< a href = 'https://en.wikipedia.org/wiki/Rec._709' > Rec. 709< / a > < / a > with studio range of 16 to 235 range for components.
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< / td >
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< / tr >
< tr >
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< td style = 'text-align: left; border: 2px solid #dddddd ; padding: 8px; ' >< a name = 'kLastEnum_SkYUVColorSpace' >< code > kLastEnum_SkYUVColorSpace</ code ></ a ></ td >
< td style = 'text-align: center; border: 2px solid #dddddd ; padding: 8px; ' > 2</ td >
< td style = 'text-align: left; border: 2px solid #dddddd ; padding: 8px; ' >
Used by tests to iterate through all valid values.
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< / td >
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< / tr >
< / table >
### See Also
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< a href = 'SkImage_Reference#SkImage' > SkImage< / a > ::< a href = '#SkImage_MakeFromYUVTexturesCopy' > MakeFromYUVTexturesCopy< / a > < a href = 'SkImage_Reference#SkImage' > SkImage< / a > ::< a href = '#SkImage_MakeFromNV12TexturesCopy' > MakeFromNV12TexturesCopy< / a >
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< a name = 'SkImageInfo' > < / a >
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---
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< pre style = "padding: 1em 1em 1em 1em;width: 62.5em; background-color: #f0f0f0 " >
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struct < a href = 'SkImageInfo_Reference#SkImageInfo' > SkImageInfo< / a > {
< a href = 'SkImageInfo_Reference#SkImageInfo' > public< / a > :
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< a href = '#SkImageInfo_empty_constructor' > SkImageInfo()< / a > ;
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< a href = 'SkImageInfo_Reference#SkImageInfo' > static< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > SkImageInfo< / a > < a href = '#SkImageInfo_Make' > Make< / a > (< a href = '#SkImageInfo_Make' > int< / a > < a href = '#SkImageInfo_Make' > width< / a > , < a href = '#SkImageInfo_Make' > int< / a > < a href = '#SkImageInfo_Make' > height< / a > , < a href = 'SkImageInfo_Reference#SkColorType' > SkColorType< / a > < a href = 'SkImageInfo_Reference#SkColorType' > ct< / a > , < a href = 'SkImageInfo_Reference#SkAlphaType' > SkAlphaType< / a > < a href = 'SkImageInfo_Reference#SkAlphaType' > at< / a > ,
< a href = 'undocumented#sk_sp' > sk_sp< / a > < < a href = 'undocumented#SkColorSpace' > SkColorSpace< / a > > < a href = 'undocumented#SkColorSpace' > cs< / a > = < a href = 'undocumented#SkColorSpace' > nullptr< / a > );
< a href = 'undocumented#SkColorSpace' > static< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > SkImageInfo< / a > < a href = '#SkImageInfo_MakeN32' > MakeN32< / a > (< a href = '#SkImageInfo_MakeN32' > int< / a > < a href = '#SkImageInfo_MakeN32' > width< / a > , < a href = '#SkImageInfo_MakeN32' > int< / a > < a href = '#SkImageInfo_MakeN32' > height< / a > , < a href = 'SkImageInfo_Reference#SkAlphaType' > SkAlphaType< / a > < a href = 'SkImageInfo_Reference#SkAlphaType' > at< / a > ,
< a href = 'undocumented#sk_sp' > sk_sp< / a > < < a href = 'undocumented#SkColorSpace' > SkColorSpace< / a > > < a href = 'undocumented#SkColorSpace' > cs< / a > = < a href = 'undocumented#SkColorSpace' > nullptr< / a > );
< a href = 'undocumented#SkColorSpace' > static< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > SkImageInfo< / a > < a href = '#SkImageInfo_MakeS32' > MakeS32< / a > (< a href = '#SkImageInfo_MakeS32' > int< / a > < a href = '#SkImageInfo_MakeS32' > width< / a > , < a href = '#SkImageInfo_MakeS32' > int< / a > < a href = '#SkImageInfo_MakeS32' > height< / a > , < a href = 'SkImageInfo_Reference#SkAlphaType' > SkAlphaType< / a > < a href = 'SkImageInfo_Reference#SkAlphaType' > at< / a > );
< a href = 'SkImageInfo_Reference#SkAlphaType' > static< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > SkImageInfo< / a > < a href = '#SkImageInfo_MakeN32Premul' > MakeN32Premul< / a > (< a href = '#SkImageInfo_MakeN32Premul' > int< / a > < a href = '#SkImageInfo_MakeN32Premul' > width< / a > , < a href = '#SkImageInfo_MakeN32Premul' > int< / a > < a href = '#SkImageInfo_MakeN32Premul' > height< / a > , < a href = 'undocumented#sk_sp' > sk_sp< / a > < < a href = 'undocumented#SkColorSpace' > SkColorSpace< / a > > < a href = 'undocumented#SkColorSpace' > cs< / a > = < a href = 'undocumented#SkColorSpace' > nullptr< / a > );
< a href = 'undocumented#SkColorSpace' > static< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > SkImageInfo< / a > < a href = '#SkImageInfo_MakeN32Premul' > MakeN32Premul< / a > (< a href = '#SkImageInfo_MakeN32Premul' > const< / a > < a href = 'undocumented#SkISize' > SkISize< / a > & < a href = 'undocumented#Size' > size< / a > );
< a href = 'undocumented#Size' > static< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > SkImageInfo< / a > < a href = '#SkImageInfo_MakeA8' > MakeA8< / a > (< a href = '#SkImageInfo_MakeA8' > int< / a > < a href = '#SkImageInfo_MakeA8' > width< / a > , < a href = '#SkImageInfo_MakeA8' > int< / a > < a href = '#SkImageInfo_MakeA8' > height< / a > );
< a href = '#SkImageInfo_MakeA8' > static< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > SkImageInfo< / a > < a href = '#SkImageInfo_MakeUnknown' > MakeUnknown< / a > (< a href = '#SkImageInfo_MakeUnknown' > int< / a > < a href = '#SkImageInfo_MakeUnknown' > width< / a > , < a href = '#SkImageInfo_MakeUnknown' > int< / a > < a href = '#SkImageInfo_MakeUnknown' > height< / a > );
< a href = '#SkImageInfo_MakeUnknown' > static< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > SkImageInfo< / a > < a href = '#SkImageInfo_MakeUnknown' > MakeUnknown< / a > ();
< a href = '#SkImageInfo_MakeUnknown' > int< / a > < a href = '#SkImageInfo_width' > width()< / a > < a href = '#SkImageInfo_width' > const< / a > ;
< a href = '#SkImageInfo_width' > int< / a > < a href = '#SkImageInfo_height' > height()< / a > < a href = '#SkImageInfo_height' > const< / a > ;
< a href = 'SkImageInfo_Reference#SkColorType' > SkColorType< / a > < a href = '#SkImageInfo_colorType' > colorType< / a > () < a href = '#SkImageInfo_colorType' > const< / a > ;
< a href = 'SkImageInfo_Reference#SkAlphaType' > SkAlphaType< / a > < a href = '#SkImageInfo_alphaType' > alphaType< / a > () < a href = '#SkImageInfo_alphaType' > const< / a > ;
< a href = 'undocumented#SkColorSpace' > SkColorSpace< / a > * < a href = '#SkImageInfo_colorSpace' > colorSpace< / a > () < a href = '#SkImageInfo_colorSpace' > const< / a > ;
< a href = 'undocumented#sk_sp' > sk_sp< / a > < < a href = 'undocumented#SkColorSpace' > SkColorSpace< / a > > < a href = '#SkImageInfo_refColorSpace' > refColorSpace< / a > () < a href = '#SkImageInfo_refColorSpace' > const< / a > ;
< a href = '#SkImageInfo_refColorSpace' > bool< / a > < a href = '#SkImageInfo_isEmpty' > isEmpty< / a > () < a href = '#SkImageInfo_isEmpty' > const< / a > ;
< a href = '#SkImageInfo_isEmpty' > bool< / a > < a href = '#SkImageInfo_isOpaque' > isOpaque< / a > () < a href = '#SkImageInfo_isOpaque' > const< / a > ;
< a href = 'undocumented#SkISize' > SkISize< / a > < a href = '#SkImageInfo_dimensions' > dimensions()< / a > < a href = '#SkImageInfo_dimensions' > const< / a > ;
< a href = 'SkIRect_Reference#SkIRect' > SkIRect< / a > < a href = '#SkImageInfo_bounds' > bounds()< / a > < a href = '#SkImageInfo_bounds' > const< / a > ;
< a href = '#SkImageInfo_bounds' > bool< / a > < a href = '#SkImageInfo_gammaCloseToSRGB' > gammaCloseToSRGB< / a > () < a href = '#SkImageInfo_gammaCloseToSRGB' > const< / a > ;
< a href = 'SkImageInfo_Reference#SkImageInfo' > SkImageInfo< / a > < a href = '#SkImageInfo_makeWH' > makeWH< / a > (< a href = '#SkImageInfo_makeWH' > int< / a > < a href = '#SkImageInfo_makeWH' > newWidth< / a > , < a href = '#SkImageInfo_makeWH' > int< / a > < a href = '#SkImageInfo_makeWH' > newHeight< / a > ) < a href = '#SkImageInfo_makeWH' > const< / a > ;
< a href = 'SkImageInfo_Reference#SkImageInfo' > SkImageInfo< / a > < a href = '#SkImageInfo_makeAlphaType' > makeAlphaType< / a > (< a href = 'SkImageInfo_Reference#SkAlphaType' > SkAlphaType< / a > < a href = 'SkImageInfo_Reference#SkAlphaType' > newAlphaType< / a > ) < a href = 'SkImageInfo_Reference#SkAlphaType' > const< / a > ;
< a href = 'SkImageInfo_Reference#SkImageInfo' > SkImageInfo< / a > < a href = '#SkImageInfo_makeColorType' > makeColorType< / a > (< a href = 'SkImageInfo_Reference#SkColorType' > SkColorType< / a > < a href = 'SkImageInfo_Reference#SkColorType' > newColorType< / a > ) < a href = 'SkImageInfo_Reference#SkColorType' > const< / a > ;
< a href = 'SkImageInfo_Reference#SkImageInfo' > SkImageInfo< / a > < a href = '#SkImageInfo_makeColorSpace' > makeColorSpace< / a > (< a href = 'undocumented#sk_sp' > sk_sp< / a > < < a href = 'undocumented#SkColorSpace' > SkColorSpace< / a > > < a href = 'undocumented#SkColorSpace' > cs< / a > ) < a href = 'undocumented#SkColorSpace' > const< / a > ;
< a href = 'undocumented#SkColorSpace' > int< / a > < a href = '#SkImageInfo_bytesPerPixel' > bytesPerPixel< / a > () < a href = '#SkImageInfo_bytesPerPixel' > const< / a > ;
< a href = '#SkImageInfo_bytesPerPixel' > int< / a > < a href = '#SkImageInfo_shiftPerPixel' > shiftPerPixel< / a > () < a href = '#SkImageInfo_shiftPerPixel' > const< / a > ;
< a href = '#SkImageInfo_shiftPerPixel' > uint64_t< / a > < a href = '#SkImageInfo_minRowBytes64' > minRowBytes64< / a > () < a href = '#SkImageInfo_minRowBytes64' > const< / a > ;
< a href = '#SkImageInfo_minRowBytes64' > size_t< / a > < a href = '#SkImageInfo_minRowBytes' > minRowBytes< / a > () < a href = '#SkImageInfo_minRowBytes' > const< / a > ;
< a href = '#SkImageInfo_minRowBytes' > size_t< / a > < a href = '#SkImageInfo_computeOffset' > computeOffset< / a > (< a href = '#SkImageInfo_computeOffset' > int< / a > < a href = '#SkImageInfo_computeOffset' > x< / a > , < a href = '#SkImageInfo_computeOffset' > int< / a > < a href = '#SkImageInfo_computeOffset' > y< / a > , < a href = '#SkImageInfo_computeOffset' > size_t< / a > < a href = '#SkImageInfo_computeOffset' > rowBytes< / a > ) < a href = '#SkImageInfo_computeOffset' > const< / a > ;
< a href = '#SkImageInfo_computeOffset' > bool< / a > < a href = '#SkImageInfo_computeOffset' > operator< / a > ==(< a href = '#SkImageInfo_computeOffset' > const< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > SkImageInfo< / a > & < a href = 'SkImageInfo_Reference#SkImageInfo' > other< / a > ) < a href = 'SkImageInfo_Reference#SkImageInfo' > const< / a > ;
< a href = 'SkImageInfo_Reference#SkImageInfo' > bool< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > operator< / a > !=(< a href = 'SkImageInfo_Reference#SkImageInfo' > const< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > SkImageInfo< / a > & < a href = 'SkImageInfo_Reference#SkImageInfo' > other< / a > ) < a href = 'SkImageInfo_Reference#SkImageInfo' > const< / a > ;
< a href = 'SkImageInfo_Reference#SkImageInfo' > size_t< / a > < a href = '#SkImageInfo_computeByteSize' > computeByteSize< / a > (< a href = '#SkImageInfo_computeByteSize' > size_t< / a > < a href = '#SkImageInfo_computeByteSize' > rowBytes< / a > ) < a href = '#SkImageInfo_computeByteSize' > const< / a > ;
< a href = '#SkImageInfo_computeByteSize' > size_t< / a > < a href = '#SkImageInfo_computeMinByteSize' > computeMinByteSize< / a > () < a href = '#SkImageInfo_computeMinByteSize' > const< / a > ;
< a href = '#SkImageInfo_computeMinByteSize' > static< / a > < a href = '#SkImageInfo_computeMinByteSize' > bool< / a > < a href = '#SkImageInfo_ByteSizeOverflowed' > ByteSizeOverflowed< / a > (< a href = '#SkImageInfo_ByteSizeOverflowed' > size_t< / a > < a href = '#SkImageInfo_ByteSizeOverflowed' > byteSize< / a > );
< a href = '#SkImageInfo_ByteSizeOverflowed' > bool< / a > < a href = '#SkImageInfo_validRowBytes' > validRowBytes< / a > (< a href = '#SkImageInfo_validRowBytes' > size_t< / a > < a href = '#SkImageInfo_validRowBytes' > rowBytes< / a > ) < a href = '#SkImageInfo_validRowBytes' > const< / a > ;
< a href = '#SkImageInfo_validRowBytes' > void< / a > < a href = '#SkImageInfo_reset' > reset()< / a > ;
< a href = '#SkImageInfo_reset' > void< / a > < a href = '#SkImageInfo_validate' > validate()< / a > < a href = '#SkImageInfo_validate' > const< / a > ;
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};
< / pre >
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Describes < a href = 'undocumented#Pixel' > pixel< / a > < a href = 'undocumented#Pixel' > dimensions< / a > < a href = 'undocumented#Pixel' > and< / a > < a href = 'undocumented#Pixel' > encoding< / a > . < a href = 'SkBitmap_Reference#Bitmap' > Bitmap< / a > , < a href = 'SkImage_Reference#Image' > Image< / a > , < a href = 'SkPixmap_Reference#Pixmap' > Pixmap< / a > , < a href = 'SkPixmap_Reference#Pixmap' > and< / a > < a href = 'SkSurface_Reference#Surface' > Surface< / a >
< a href = 'SkSurface_Reference#Surface' > can< / a > < a href = 'SkSurface_Reference#Surface' > be< / a > < a href = 'SkSurface_Reference#Surface' > created< / a > < a href = 'SkSurface_Reference#Surface' > from< / a > < a href = '#Image_Info' > Image_Info< / a > . < a href = '#Image_Info' > Image_Info< / a > < a href = '#Image_Info' > can< / a > < a href = '#Image_Info' > be< / a > < a href = '#Image_Info' > retrieved< / a > < a href = '#Image_Info' > from< / a > < a href = 'SkBitmap_Reference#Bitmap' > Bitmap< / a > < a href = 'SkBitmap_Reference#Bitmap' > and< / a >
< a href = 'SkPixmap_Reference#Pixmap' > Pixmap< / a > , < a href = 'SkPixmap_Reference#Pixmap' > but< / a > < a href = 'SkPixmap_Reference#Pixmap' > not< / a > < a href = 'SkPixmap_Reference#Pixmap' > from< / a > < a href = 'SkImage_Reference#Image' > Image< / a > < a href = 'SkImage_Reference#Image' > and< / a > < a href = 'SkSurface_Reference#Surface' > Surface< / a > . < a href = 'SkSurface_Reference#Surface' > For< / a > < a href = 'SkSurface_Reference#Surface' > example< / a > , < a href = 'SkImage_Reference#Image' > Image< / a > < a href = 'SkImage_Reference#Image' > and< / a > < a href = 'SkSurface_Reference#Surface' > Surface< / a >
< a href = 'SkSurface_Reference#Surface' > implementations< / a > < a href = 'SkSurface_Reference#Surface' > may< / a > < a href = 'SkSurface_Reference#Surface' > defer< / a > < a href = 'undocumented#Pixel' > pixel< / a > < a href = 'undocumented#Pixel' > depth< / a > , < a href = 'undocumented#Pixel' > so< / a > < a href = 'undocumented#Pixel' > may< / a > < a href = 'undocumented#Pixel' > not< / a > < a href = 'undocumented#Pixel' > completely< / a > < a href = 'undocumented#Pixel' > specify< / a > < a href = '#Image_Info' > Image_Info< / a > .
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< a href = '#Image_Info' > Image_Info< / a > < a href = '#Image_Info' > contains< / a > < a href = '#Image_Info' > dimensions< / a > , < a href = '#Image_Info' > the< / a > < a href = 'undocumented#Pixel' > pixel< / a > < a href = 'undocumented#Pixel' > integral< / a > < a href = 'undocumented#Pixel' > width< / a > < a href = 'undocumented#Pixel' > and< / a > < a href = 'undocumented#Pixel' > height< / a > . < a href = 'undocumented#Pixel' > It< / a > < a href = 'undocumented#Pixel' > encodes< / a >
< a href = 'undocumented#Pixel' > how< / a > < a href = 'undocumented#Pixel' > pixel< / a > < a href = 'undocumented#Pixel' > bits< / a > < a href = 'undocumented#Pixel' > describe< / a > < a href = '#Color_Alpha' > Color_Alpha< / a > , < a href = '#Color_Alpha' > transparency< / a > ; < a href = 'SkColor_Reference#Color' > Color< / a > < a href = 'SkColor_Reference#Color' > components< / a > < a href = 'SkColor_Reference#Color' > red< / a > , < a href = 'SkColor_Reference#Color' > blue< / a > ,
< a href = 'SkColor_Reference#Color' > and< / a > < a href = 'SkColor_Reference#Color' > green< / a > ; < a href = 'SkColor_Reference#Color' > and< / a > < a href = '#Color_Space' > Color_Space< / a > , < a href = '#Color_Space' > the< / a > < a href = '#Color_Space' > range< / a > < a href = '#Color_Space' > and< / a > < a href = '#Color_Space' > linearity< / a > < a href = '#Color_Space' > of< / a > < a href = '#Color_Space' > colors< / a > .
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< a name = 'SkImageInfo_empty_constructor' > < / a >
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---
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< pre style = "padding: 1em 1em 1em 1em; width: 62.5em;background-color: #f0f0f0 " >
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< a href = '#SkImageInfo_empty_constructor' > SkImageInfo()< / a >
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< / pre >
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Creates an empty < a href = 'SkImageInfo_Reference#SkImageInfo' > SkImageInfo< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > with< / a > < a href = 'SkImageInfo_Reference#kUnknown_SkColorType' > kUnknown_SkColorType< / a > , < a href = 'SkImageInfo_Reference#kUnknown_SkAlphaType' > kUnknown_SkAlphaType< / a > ,
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a width and height of zero, and no < a href = 'undocumented#SkColorSpace' > SkColorSpace< / a > .
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### Return Value
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empty < a href = 'SkImageInfo_Reference#SkImageInfo' > SkImageInfo< / a >
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### Example
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< div > < fiddle-embed name = "f206f698e7a8db3d84334c26b1a702dc" > < div > An empty < a href = '#Image_Info' > Image_Info< / a > < a href = '#Image_Info' > may< / a > < a href = '#Image_Info' > be< / a > < a href = '#Image_Info' > passed< / a > < a href = '#Image_Info' > to< / a > < a href = 'SkCanvas_Reference#SkCanvas' > SkCanvas< / a > ::< a href = '#SkCanvas_accessTopLayerPixels' > accessTopLayerPixels< / a > < a href = '#SkCanvas_accessTopLayerPixels' > as< / a > < a href = '#SkCanvas_accessTopLayerPixels' > storage< / a >
< a href = '#SkCanvas_accessTopLayerPixels' > for< / a > < a href = '#SkCanvas_accessTopLayerPixels' > the< / a > < a href = 'SkCanvas_Reference#Canvas' > Canvas< / a > < a href = 'SkCanvas_Reference#Canvas' > actual< / a > < a href = '#Image_Info' > Image_Info< / a > .
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< / div > < / fiddle-embed > < / div >
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### See Also
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< a href = '#SkImageInfo_Make' > Make< / a > < a href = '#SkImageInfo_MakeN32' > MakeN32< / a > < a href = '#SkImageInfo_MakeS32' > MakeS32< / a > < a href = '#SkImageInfo_MakeA8' > MakeA8< / a >
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< a name = 'SkImageInfo_Make' > < / a >
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---
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< pre style = "padding: 1em 1em 1em 1em; width: 62.5em;background-color: #f0f0f0 " >
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static < a href = 'SkImageInfo_Reference#SkImageInfo' > SkImageInfo< / a > < a href = '#SkImageInfo_Make' > Make< / a > (< a href = '#SkImageInfo_Make' > int< / a > < a href = '#SkImageInfo_Make' > width< / a > , < a href = '#SkImageInfo_Make' > int< / a > < a href = '#SkImageInfo_Make' > height< / a > , < a href = 'SkImageInfo_Reference#SkColorType' > SkColorType< / a > < a href = 'SkImageInfo_Reference#SkColorType' > ct< / a > , < a href = 'SkImageInfo_Reference#SkAlphaType' > SkAlphaType< / a > < a href = 'SkImageInfo_Reference#SkAlphaType' > at< / a > ,
< a href = 'undocumented#sk_sp' > sk_sp< / a > & < a href = 'undocumented#sk_sp' > lt< / a > ;< a href = 'undocumented#SkColorSpace' > SkColorSpace< / a > & < a href = 'undocumented#SkColorSpace' > gt< / a > ; < a href = 'undocumented#SkColorSpace' > cs< / a > = < a href = 'undocumented#SkColorSpace' > nullptr< / a > )
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< / pre >
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Creates < a href = 'SkImageInfo_Reference#SkImageInfo' > SkImageInfo< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > from< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > integral< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > dimensions< / a > < a href = '#SkImageInfo_Make_width' > width< / a > < a href = '#SkImageInfo_Make_width' > and< / a > < a href = '#SkImageInfo_Make_height' > height< / a > , < a href = 'SkImageInfo_Reference#SkColorType' > SkColorType< / a > < a href = '#SkImageInfo_Make_ct' > ct< / a > ,
< a href = 'SkImageInfo_Reference#SkAlphaType' > SkAlphaType< / a > < a href = '#SkImageInfo_Make_at' > at< / a > , < a href = '#SkImageInfo_Make_at' > and< / a > < a href = '#SkImageInfo_Make_at' > optionally< / a > < a href = 'undocumented#SkColorSpace' > SkColorSpace< / a > < a href = '#SkImageInfo_Make_cs' > cs< / a > .
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If < a href = 'undocumented#SkColorSpace' > SkColorSpace< / a > < a href = '#SkImageInfo_Make_cs' > cs< / a > < a href = '#SkImageInfo_Make_cs' > is< / a > < a href = '#SkImageInfo_Make_cs' > nullptr< / a > < a href = '#SkImageInfo_Make_cs' > and< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > SkImageInfo< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > is< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > part< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > of< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > drawing< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > source< / a > : < a href = 'undocumented#SkColorSpace' > SkColorSpace< / a >
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defaults to sRGB, mapping into < a href = 'SkSurface_Reference#SkSurface' > SkSurface< / a > < a href = 'undocumented#SkColorSpace' > SkColorSpace< / a > .
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Parameters are not validated to see if their values are legal, or that the
combination is supported.
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### Parameters
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< table > < tr > < td > < a name = 'SkImageInfo_Make_width' > < code > < strong > width< / strong > < / code > < / a > < / td >
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< td > < a href = 'undocumented#Pixel' > pixel< / a > < a href = 'undocumented#Pixel' > column< / a > < a href = 'undocumented#Pixel' > count< / a > ; < a href = 'undocumented#Pixel' > must< / a > < a href = 'undocumented#Pixel' > be< / a > < a href = 'undocumented#Pixel' > zero< / a > < a href = 'undocumented#Pixel' > or< / a > < a href = 'undocumented#Pixel' > greater< / a > < / td >
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< / tr >
< tr > < td > < a name = 'SkImageInfo_Make_height' > < code > < strong > height< / strong > < / code > < / a > < / td >
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< td > < a href = 'undocumented#Pixel' > pixel< / a > < a href = 'undocumented#Pixel' > row< / a > < a href = 'undocumented#Pixel' > count< / a > ; < a href = 'undocumented#Pixel' > must< / a > < a href = 'undocumented#Pixel' > be< / a > < a href = 'undocumented#Pixel' > zero< / a > < a href = 'undocumented#Pixel' > or< / a > < a href = 'undocumented#Pixel' > greater< / a > < / td >
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< / tr >
< tr > < td > < a name = 'SkImageInfo_Make_ct' > < code > < strong > ct< / strong > < / code > < / a > < / td >
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< td > one of:< / td >
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< / tr >
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< / table >
< a href = 'SkImageInfo_Reference#kUnknown_SkColorType' > kUnknown_SkColorType< / a > , < a href = 'SkImageInfo_Reference#kAlpha_8_SkColorType' > kAlpha_8_SkColorType< / a > , < a href = 'SkImageInfo_Reference#kRGB_565_SkColorType' > kRGB_565_SkColorType< / a > ,
< a href = 'SkImageInfo_Reference#kARGB_4444_SkColorType' > kARGB_4444_SkColorType< / a > , < a href = 'SkImageInfo_Reference#kRGBA_8888_SkColorType' > kRGBA_8888_SkColorType< / a > , < a href = 'SkImageInfo_Reference#kRGB_888x_SkColorType' > kRGB_888x_SkColorType< / a > ,
< a href = 'SkImageInfo_Reference#kBGRA_8888_SkColorType' > kBGRA_8888_SkColorType< / a > , < a href = 'SkImageInfo_Reference#kRGBA_1010102_SkColorType' > kRGBA_1010102_SkColorType< / a > , < a href = 'SkImageInfo_Reference#kRGB_101010x_SkColorType' > kRGB_101010x_SkColorType< / a > ,
< a href = 'SkImageInfo_Reference#kGray_8_SkColorType' > kGray_8_SkColorType< / a > , < a href = 'SkImageInfo_Reference#kRGBA_F16_SkColorType' > kRGBA_F16_SkColorType< / a >
### Parameters
< table > < tr > < td > < a name = 'SkImageInfo_Make_at' > < code > < strong > at< / strong > < / code > < / a > < / td >
< td > one of:< / td >
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< / tr >
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< / table >
< a href = 'SkImageInfo_Reference#kUnknown_SkAlphaType' > kUnknown_SkAlphaType< / a > , < a href = 'SkImageInfo_Reference#kOpaque_SkAlphaType' > kOpaque_SkAlphaType< / a > , < a href = 'SkImageInfo_Reference#kPremul_SkAlphaType' > kPremul_SkAlphaType< / a > ,
< a href = 'SkImageInfo_Reference#kUnpremul_SkAlphaType' > kUnpremul_SkAlphaType< / a >
### Parameters
< table > < tr > < td > < a name = 'SkImageInfo_Make_cs' > < code > < strong > cs< / strong > < / code > < / a > < / td >
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< td > range of colors; may be nullptr< / td >
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< / tr >
< / table >
### Return Value
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created < a href = 'SkImageInfo_Reference#SkImageInfo' > SkImageInfo< / a >
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### Example
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< div > < fiddle-embed name = "9f47f9c2a99473f5b1113db48096d586" > < / fiddle-embed > < / div >
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### See Also
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< a href = '#SkImageInfo_MakeN32' > MakeN32< / a > < a href = '#SkImageInfo_MakeN32Premul' > MakeN32Premul< / a > < a href = '#SkImageInfo_MakeS32' > MakeS32< / a > < a href = '#SkImageInfo_MakeA8' > MakeA8< / a >
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< a name = 'SkImageInfo_MakeN32' > < / a >
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---
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< pre style = "padding: 1em 1em 1em 1em; width: 62.5em;background-color: #f0f0f0 " >
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static < a href = 'SkImageInfo_Reference#SkImageInfo' > SkImageInfo< / a > < a href = '#SkImageInfo_MakeN32' > MakeN32< / a > (< a href = '#SkImageInfo_MakeN32' > int< / a > < a href = '#SkImageInfo_MakeN32' > width< / a > , < a href = '#SkImageInfo_MakeN32' > int< / a > < a href = '#SkImageInfo_MakeN32' > height< / a > , < a href = 'SkImageInfo_Reference#SkAlphaType' > SkAlphaType< / a > < a href = 'SkImageInfo_Reference#SkAlphaType' > at< / a > , < a href = 'undocumented#sk_sp' > sk_sp< / a > & < a href = 'undocumented#sk_sp' > lt< / a > ;< a href = 'undocumented#SkColorSpace' > SkColorSpace< / a > & < a href = 'undocumented#SkColorSpace' > gt< / a > ; < a href = 'undocumented#SkColorSpace' > cs< / a > = < a href = 'undocumented#SkColorSpace' > nullptr< / a > )
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< / pre >
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Creates < a href = 'SkImageInfo_Reference#SkImageInfo' > SkImageInfo< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > from< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > integral< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > dimensions< / a > < a href = '#SkImageInfo_MakeN32_width' > width< / a > < a href = '#SkImageInfo_MakeN32_width' > and< / a > < a href = '#SkImageInfo_MakeN32_height' > height< / a > , < a href = 'SkImageInfo_Reference#kN32_SkColorType' > kN32_SkColorType< / a > ,
< a href = 'SkImageInfo_Reference#SkAlphaType' > SkAlphaType< / a > < a href = '#SkImageInfo_MakeN32_at' > at< / a > , < a href = '#SkImageInfo_MakeN32_at' > and< / a > < a href = '#SkImageInfo_MakeN32_at' > optionally< / a > < a href = 'undocumented#SkColorSpace' > SkColorSpace< / a > < a href = '#SkImageInfo_MakeN32_cs' > cs< / a > . < a href = 'SkImageInfo_Reference#kN32_SkColorType' > kN32_SkColorType< / a > < a href = 'SkImageInfo_Reference#kN32_SkColorType' > will< / a > < a href = 'SkImageInfo_Reference#kN32_SkColorType' > equal< / a > < a href = 'SkImageInfo_Reference#kN32_SkColorType' > either< / a >
< a href = 'SkImageInfo_Reference#kBGRA_8888_SkColorType' > kBGRA_8888_SkColorType< / a > < a href = 'SkImageInfo_Reference#kBGRA_8888_SkColorType' > or< / a > < a href = 'SkImageInfo_Reference#kRGBA_8888_SkColorType' > kRGBA_8888_SkColorType< / a > , < a href = 'SkImageInfo_Reference#kRGBA_8888_SkColorType' > whichever< / a > < a href = 'SkImageInfo_Reference#kRGBA_8888_SkColorType' > is< / a > < a href = 'SkImageInfo_Reference#kRGBA_8888_SkColorType' > optimal< / a > .
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If < a href = 'undocumented#SkColorSpace' > SkColorSpace< / a > < a href = '#SkImageInfo_MakeN32_cs' > cs< / a > < a href = '#SkImageInfo_MakeN32_cs' > is< / a > < a href = '#SkImageInfo_MakeN32_cs' > nullptr< / a > < a href = '#SkImageInfo_MakeN32_cs' > and< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > SkImageInfo< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > is< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > part< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > of< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > drawing< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > source< / a > : < a href = 'undocumented#SkColorSpace' > SkColorSpace< / a >
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defaults to sRGB, mapping into < a href = 'SkSurface_Reference#SkSurface' > SkSurface< / a > < a href = 'undocumented#SkColorSpace' > SkColorSpace< / a > .
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Parameters are not validated to see if their values are legal, or that the
combination is supported.
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### Parameters
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< table > < tr > < td > < a name = 'SkImageInfo_MakeN32_width' > < code > < strong > width< / strong > < / code > < / a > < / td >
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< td > < a href = 'undocumented#Pixel' > pixel< / a > < a href = 'undocumented#Pixel' > column< / a > < a href = 'undocumented#Pixel' > count< / a > ; < a href = 'undocumented#Pixel' > must< / a > < a href = 'undocumented#Pixel' > be< / a > < a href = 'undocumented#Pixel' > zero< / a > < a href = 'undocumented#Pixel' > or< / a > < a href = 'undocumented#Pixel' > greater< / a > < / td >
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< / tr >
< tr > < td > < a name = 'SkImageInfo_MakeN32_height' > < code > < strong > height< / strong > < / code > < / a > < / td >
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< td > < a href = 'undocumented#Pixel' > pixel< / a > < a href = 'undocumented#Pixel' > row< / a > < a href = 'undocumented#Pixel' > count< / a > ; < a href = 'undocumented#Pixel' > must< / a > < a href = 'undocumented#Pixel' > be< / a > < a href = 'undocumented#Pixel' > zero< / a > < a href = 'undocumented#Pixel' > or< / a > < a href = 'undocumented#Pixel' > greater< / a > < / td >
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< / tr >
< tr > < td > < a name = 'SkImageInfo_MakeN32_at' > < code > < strong > at< / strong > < / code > < / a > < / td >
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< td > one of:< / td >
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< / tr >
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< / table >
< a href = 'SkImageInfo_Reference#kUnknown_SkAlphaType' > kUnknown_SkAlphaType< / a > , < a href = 'SkImageInfo_Reference#kOpaque_SkAlphaType' > kOpaque_SkAlphaType< / a > , < a href = 'SkImageInfo_Reference#kPremul_SkAlphaType' > kPremul_SkAlphaType< / a > ,
< a href = 'SkImageInfo_Reference#kUnpremul_SkAlphaType' > kUnpremul_SkAlphaType< / a >
### Parameters
< table > < tr > < td > < a name = 'SkImageInfo_MakeN32_cs' > < code > < strong > cs< / strong > < / code > < / a > < / td >
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< td > range of colors; may be nullptr< / td >
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< / tr >
< / table >
### Return Value
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created < a href = 'SkImageInfo_Reference#SkImageInfo' > SkImageInfo< / a >
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### Example
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< div > < fiddle-embed name = "78cea0c4cac205b61ad6f6c982cbd888" > < / fiddle-embed > < / div >
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### See Also
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< a href = '#SkImageInfo_Make' > Make< / a > < a href = '#SkImageInfo_MakeN32Premul' > MakeN32Premul< / a > < a href = '#SkImageInfo_MakeS32' > MakeS32< / a > < a href = '#SkImageInfo_MakeA8' > MakeA8< / a >
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2018-05-16 11:07:07 +00:00
< a name = 'SkImageInfo_MakeS32' > < / a >
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---
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2018-05-16 11:07:07 +00:00
< pre style = "padding: 1em 1em 1em 1em; width: 62.5em;background-color: #f0f0f0 " >
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static < a href = 'SkImageInfo_Reference#SkImageInfo' > SkImageInfo< / a > < a href = '#SkImageInfo_MakeS32' > MakeS32< / a > (< a href = '#SkImageInfo_MakeS32' > int< / a > < a href = '#SkImageInfo_MakeS32' > width< / a > , < a href = '#SkImageInfo_MakeS32' > int< / a > < a href = '#SkImageInfo_MakeS32' > height< / a > , < a href = 'SkImageInfo_Reference#SkAlphaType' > SkAlphaType< / a > < a href = 'SkImageInfo_Reference#SkAlphaType' > at< / a > )
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< / pre >
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Creates < a href = 'SkImageInfo_Reference#SkImageInfo' > SkImageInfo< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > from< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > integral< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > dimensions< / a > < a href = '#SkImageInfo_MakeS32_width' > width< / a > < a href = '#SkImageInfo_MakeS32_width' > and< / a > < a href = '#SkImageInfo_MakeS32_height' > height< / a > , < a href = 'SkImageInfo_Reference#kN32_SkColorType' > kN32_SkColorType< / a > ,
< a href = 'SkImageInfo_Reference#SkAlphaType' > SkAlphaType< / a > < a href = '#SkImageInfo_MakeS32_at' > at< / a > , < a href = '#SkImageInfo_MakeS32_at' > with< / a > < a href = '#SkImageInfo_MakeS32_at' > sRGB< / a > < a href = 'undocumented#SkColorSpace' > SkColorSpace< / a > .
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Parameters are not validated to see if their values are legal, or that the
combination is supported.
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### Parameters
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< table > < tr > < td > < a name = 'SkImageInfo_MakeS32_width' > < code > < strong > width< / strong > < / code > < / a > < / td >
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< td > < a href = 'undocumented#Pixel' > pixel< / a > < a href = 'undocumented#Pixel' > column< / a > < a href = 'undocumented#Pixel' > count< / a > ; < a href = 'undocumented#Pixel' > must< / a > < a href = 'undocumented#Pixel' > be< / a > < a href = 'undocumented#Pixel' > zero< / a > < a href = 'undocumented#Pixel' > or< / a > < a href = 'undocumented#Pixel' > greater< / a > < / td >
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< / tr >
< tr > < td > < a name = 'SkImageInfo_MakeS32_height' > < code > < strong > height< / strong > < / code > < / a > < / td >
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< td > < a href = 'undocumented#Pixel' > pixel< / a > < a href = 'undocumented#Pixel' > row< / a > < a href = 'undocumented#Pixel' > count< / a > ; < a href = 'undocumented#Pixel' > must< / a > < a href = 'undocumented#Pixel' > be< / a > < a href = 'undocumented#Pixel' > zero< / a > < a href = 'undocumented#Pixel' > or< / a > < a href = 'undocumented#Pixel' > greater< / a > < / td >
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< / tr >
< tr > < td > < a name = 'SkImageInfo_MakeS32_at' > < code > < strong > at< / strong > < / code > < / a > < / td >
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< td > one of:< / td >
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< / tr >
< / table >
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< a href = 'SkImageInfo_Reference#kUnknown_SkAlphaType' > kUnknown_SkAlphaType< / a > , < a href = 'SkImageInfo_Reference#kOpaque_SkAlphaType' > kOpaque_SkAlphaType< / a > , < a href = 'SkImageInfo_Reference#kPremul_SkAlphaType' > kPremul_SkAlphaType< / a > ,
< a href = 'SkImageInfo_Reference#kUnpremul_SkAlphaType' > kUnpremul_SkAlphaType< / a >
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### Return Value
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created < a href = 'SkImageInfo_Reference#SkImageInfo' > SkImageInfo< / a >
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### Example
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< div > < fiddle-embed name = "de418ccb42471d1589508ef3955f8c53" > < div > Top gradient is drawn to offScreen without < a href = '#Color_Space' > Color_Space< / a > . < a href = '#Color_Space' > It< / a > < a href = '#Color_Space' > is< / a > < a href = '#Color_Space' > darker< / a > < a href = '#Color_Space' > than< / a > < a href = '#Color_Space' > middle< / a >
< a href = '#Color_Space' > gradient< / a > , < a href = '#Color_Space' > drawn< / a > < a href = '#Color_Space' > to< / a > < a href = '#Color_Space' > offScreen< / a > < a href = '#Color_Space' > with< / a > < a href = '#Color_Space' > sRGB< / a > < a href = '#Color_Space' > Color_Space< / a > . < a href = '#Color_Space' > Bottom< / a > < a href = '#Color_Space' > gradient< / a > < a href = '#Color_Space' > shares< / a > < a href = '#Color_Space' > bits< / a >
< a href = '#Color_Space' > with< / a > < a href = '#Color_Space' > middle< / a > , < a href = '#Color_Space' > but< / a > < a href = '#Color_Space' > does< / a > < a href = '#Color_Space' > not< / a > < a href = '#Color_Space' > specify< / a > < a href = '#Color_Space' > the< / a > < a href = '#Color_Space' > Color_Space< / a > < a href = '#Color_Space' > in< / a > < a href = '#Color_Space' > noColorSpaceBitmap< / a > . < a href = '#Color_Space' > A< / a > < a href = '#Color_Space' > source< / a >
< a href = '#Color_Space' > without< / a > < a href = '#Color_Space' > Color_Space< / a > < a href = '#Color_Space' > is< / a > < a href = '#Color_Space' > treated< / a > < a href = '#Color_Space' > as< / a > < a href = '#Color_Space' > sRGB< / a > ; < a href = '#Color_Space' > the< / a > < a href = '#Color_Space' > bottom< / a > < a href = '#Color_Space' > gradient< / a > < a href = '#Color_Space' > is< / a > < a href = '#Color_Space' > identical< / a > < a href = '#Color_Space' > to< / a > < a href = '#Color_Space' > the< / a >
< a href = '#Color_Space' > middle< / a > < a href = '#Color_Space' > gradient< / a > .
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< / div > < / fiddle-embed > < / div >
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### See Also
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< a href = '#SkImageInfo_Make' > Make< / a > < a href = '#SkImageInfo_MakeN32' > MakeN32< / a > < a href = '#SkImageInfo_MakeN32Premul' > MakeN32Premul< / a > < a href = '#SkImageInfo_MakeA8' > MakeA8< / a >
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< a name = 'SkImageInfo_MakeN32Premul' > < / a >
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---
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2018-05-16 11:07:07 +00:00
< pre style = "padding: 1em 1em 1em 1em; width: 62.5em;background-color: #f0f0f0 " >
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static < a href = 'SkImageInfo_Reference#SkImageInfo' > SkImageInfo< / a > < a href = '#SkImageInfo_MakeN32Premul' > MakeN32Premul< / a > (< a href = '#SkImageInfo_MakeN32Premul' > int< / a > < a href = '#SkImageInfo_MakeN32Premul' > width< / a > , < a href = '#SkImageInfo_MakeN32Premul' > int< / a > < a href = '#SkImageInfo_MakeN32Premul' > height< / a > , < a href = 'undocumented#sk_sp' > sk_sp< / a > & < a href = 'undocumented#sk_sp' > lt< / a > ;< a href = 'undocumented#SkColorSpace' > SkColorSpace< / a > & < a href = 'undocumented#SkColorSpace' > gt< / a > ; < a href = 'undocumented#SkColorSpace' > cs< / a > = < a href = 'undocumented#SkColorSpace' > nullptr< / a > )
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< / pre >
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Creates < a href = 'SkImageInfo_Reference#SkImageInfo' > SkImageInfo< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > from< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > integral< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > dimensions< / a > < a href = '#SkImageInfo_MakeN32Premul_width' > width< / a > < a href = '#SkImageInfo_MakeN32Premul_width' > and< / a > < a href = '#SkImageInfo_MakeN32Premul_height' > height< / a > , < a href = 'SkImageInfo_Reference#kN32_SkColorType' > kN32_SkColorType< / a > ,
< a href = 'SkImageInfo_Reference#kPremul_SkAlphaType' > kPremul_SkAlphaType< / a > , < a href = 'SkImageInfo_Reference#kPremul_SkAlphaType' > with< / a > < a href = 'SkImageInfo_Reference#kPremul_SkAlphaType' > optional< / a > < a href = 'undocumented#SkColorSpace' > SkColorSpace< / a > .
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If < a href = 'undocumented#SkColorSpace' > SkColorSpace< / a > < a href = '#SkImageInfo_MakeN32Premul_cs' > cs< / a > < a href = '#SkImageInfo_MakeN32Premul_cs' > is< / a > < a href = '#SkImageInfo_MakeN32Premul_cs' > nullptr< / a > < a href = '#SkImageInfo_MakeN32Premul_cs' > and< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > SkImageInfo< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > is< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > part< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > of< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > drawing< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > source< / a > : < a href = 'undocumented#SkColorSpace' > SkColorSpace< / a >
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defaults to sRGB, mapping into < a href = 'SkSurface_Reference#SkSurface' > SkSurface< / a > < a href = 'undocumented#SkColorSpace' > SkColorSpace< / a > .
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Parameters are not validated to see if their values are legal, or that the
combination is supported.
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### Parameters
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< table > < tr > < td > < a name = 'SkImageInfo_MakeN32Premul_width' > < code > < strong > width< / strong > < / code > < / a > < / td >
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< td > < a href = 'undocumented#Pixel' > pixel< / a > < a href = 'undocumented#Pixel' > column< / a > < a href = 'undocumented#Pixel' > count< / a > ; < a href = 'undocumented#Pixel' > must< / a > < a href = 'undocumented#Pixel' > be< / a > < a href = 'undocumented#Pixel' > zero< / a > < a href = 'undocumented#Pixel' > or< / a > < a href = 'undocumented#Pixel' > greater< / a > < / td >
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< / tr >
< tr > < td > < a name = 'SkImageInfo_MakeN32Premul_height' > < code > < strong > height< / strong > < / code > < / a > < / td >
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< td > < a href = 'undocumented#Pixel' > pixel< / a > < a href = 'undocumented#Pixel' > row< / a > < a href = 'undocumented#Pixel' > count< / a > ; < a href = 'undocumented#Pixel' > must< / a > < a href = 'undocumented#Pixel' > be< / a > < a href = 'undocumented#Pixel' > zero< / a > < a href = 'undocumented#Pixel' > or< / a > < a href = 'undocumented#Pixel' > greater< / a > < / td >
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< / tr >
< tr > < td > < a name = 'SkImageInfo_MakeN32Premul_cs' > < code > < strong > cs< / strong > < / code > < / a > < / td >
< td > range of colors; may be nullptr< / td >
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< / tr >
< / table >
### Return Value
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created < a href = 'SkImageInfo_Reference#SkImageInfo' > SkImageInfo< / a >
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### Example
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< div > < fiddle-embed name = "525650a67e19fdd8ca9f72b7eda65174" > < / fiddle-embed > < / div >
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### See Also
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< a href = '#SkImageInfo_MakeN32' > MakeN32< / a > < a href = '#SkImageInfo_MakeS32' > MakeS32< / a > < a href = '#SkImageInfo_MakeA8' > MakeA8< / a > < a href = '#SkImageInfo_Make' > Make< / a >
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< a name = 'SkImageInfo_MakeN32Premul_2' > < / a >
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---
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< pre style = "padding: 1em 1em 1em 1em; width: 62.5em;background-color: #f0f0f0 " >
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static < a href = 'SkImageInfo_Reference#SkImageInfo' > SkImageInfo< / a > < a href = '#SkImageInfo_MakeN32Premul' > MakeN32Premul< / a > (< a href = '#SkImageInfo_MakeN32Premul' > const< / a > < a href = 'undocumented#SkISize' > SkISize< / a > & < a href = 'undocumented#Size' > size< / a > )
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< / pre >
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Creates < a href = 'SkImageInfo_Reference#SkImageInfo' > SkImageInfo< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > from< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > integral< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > dimensions< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > width< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > and< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > height< / a > , < a href = 'SkImageInfo_Reference#kN32_SkColorType' > kN32_SkColorType< / a > ,
< a href = 'SkImageInfo_Reference#kPremul_SkAlphaType' > kPremul_SkAlphaType< / a > , < a href = 'SkImageInfo_Reference#kPremul_SkAlphaType' > with< / a > < a href = 'undocumented#SkColorSpace' > SkColorSpace< / a > < a href = 'undocumented#SkColorSpace' > set< / a > < a href = 'undocumented#SkColorSpace' > to< / a > < a href = 'undocumented#SkColorSpace' > nullptr< / a > .
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If < a href = 'SkImageInfo_Reference#SkImageInfo' > SkImageInfo< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > is< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > part< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > of< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > drawing< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > source< / a > : < a href = 'undocumented#SkColorSpace' > SkColorSpace< / a > < a href = 'undocumented#SkColorSpace' > defaults< / a > < a href = 'undocumented#SkColorSpace' > to< / a > < a href = 'undocumented#SkColorSpace' > sRGB< / a > , < a href = 'undocumented#SkColorSpace' > mapping< / a >
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into < a href = 'SkSurface_Reference#SkSurface' > SkSurface< / a > < a href = 'undocumented#SkColorSpace' > SkColorSpace< / a > .
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Parameters are not validated to see if their values are legal, or that the
combination is supported.
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### Parameters
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< table > < tr > < td > < a name = 'SkImageInfo_MakeN32Premul_2_size' > < code > < strong > size< / strong > < / code > < / a > < / td >
< td > width and height, each must be zero or greater< / td >
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< / tr >
< / table >
### Return Value
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created < a href = 'SkImageInfo_Reference#SkImageInfo' > SkImageInfo< / a >
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### Example
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< div > < fiddle-embed name = "b9026d7f39029756bd7cab9542c64f4e" > < / fiddle-embed > < / div >
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### See Also
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< a href = '#SkImageInfo_MakeN32' > MakeN32< / a > < a href = '#SkImageInfo_MakeS32' > MakeS32< / a > < a href = '#SkImageInfo_MakeA8' > MakeA8< / a > < a href = '#SkImageInfo_Make' > Make< / a >
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2018-05-16 11:07:07 +00:00
< a name = 'SkImageInfo_MakeA8' > < / a >
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---
2018-01-26 17:56:22 +00:00
2018-05-16 11:07:07 +00:00
< pre style = "padding: 1em 1em 1em 1em; width: 62.5em;background-color: #f0f0f0 " >
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static < a href = 'SkImageInfo_Reference#SkImageInfo' > SkImageInfo< / a > < a href = '#SkImageInfo_MakeA8' > MakeA8< / a > (< a href = '#SkImageInfo_MakeA8' > int< / a > < a href = '#SkImageInfo_MakeA8' > width< / a > , < a href = '#SkImageInfo_MakeA8' > int< / a > < a href = '#SkImageInfo_MakeA8' > height< / a > )
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< / pre >
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Creates < a href = 'SkImageInfo_Reference#SkImageInfo' > SkImageInfo< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > from< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > integral< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > dimensions< / a > < a href = '#SkImageInfo_MakeA8_width' > width< / a > < a href = '#SkImageInfo_MakeA8_width' > and< / a > < a href = '#SkImageInfo_MakeA8_height' > height< / a > , < a href = 'SkImageInfo_Reference#kAlpha_8_SkColorType' > kAlpha_8_SkColorType< / a > ,
< a href = 'SkImageInfo_Reference#kPremul_SkAlphaType' > kPremul_SkAlphaType< / a > , < a href = 'SkImageInfo_Reference#kPremul_SkAlphaType' > with< / a > < a href = 'undocumented#SkColorSpace' > SkColorSpace< / a > < a href = 'undocumented#SkColorSpace' > set< / a > < a href = 'undocumented#SkColorSpace' > to< / a > < a href = 'undocumented#SkColorSpace' > nullptr< / a > .
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### Parameters
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< table > < tr > < td > < a name = 'SkImageInfo_MakeA8_width' > < code > < strong > width< / strong > < / code > < / a > < / td >
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< td > < a href = 'undocumented#Pixel' > pixel< / a > < a href = 'undocumented#Pixel' > column< / a > < a href = 'undocumented#Pixel' > count< / a > ; < a href = 'undocumented#Pixel' > must< / a > < a href = 'undocumented#Pixel' > be< / a > < a href = 'undocumented#Pixel' > zero< / a > < a href = 'undocumented#Pixel' > or< / a > < a href = 'undocumented#Pixel' > greater< / a > < / td >
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< / tr >
< tr > < td > < a name = 'SkImageInfo_MakeA8_height' > < code > < strong > height< / strong > < / code > < / a > < / td >
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< td > < a href = 'undocumented#Pixel' > pixel< / a > < a href = 'undocumented#Pixel' > row< / a > < a href = 'undocumented#Pixel' > count< / a > ; < a href = 'undocumented#Pixel' > must< / a > < a href = 'undocumented#Pixel' > be< / a > < a href = 'undocumented#Pixel' > zero< / a > < a href = 'undocumented#Pixel' > or< / a > < a href = 'undocumented#Pixel' > greater< / a > < / td >
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< / tr >
< / table >
### Return Value
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created < a href = 'SkImageInfo_Reference#SkImageInfo' > SkImageInfo< / a >
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### Example
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< div > < fiddle-embed name = "547388991687b8e10d482d8b1c82777d" > < / fiddle-embed > < / div >
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### See Also
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< a href = '#SkImageInfo_MakeN32' > MakeN32< / a > < a href = '#SkImageInfo_MakeS32' > MakeS32< / a > < a href = '#SkImageInfo_Make' > Make< / a >
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< a name = 'SkImageInfo_MakeUnknown' > < / a >
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---
2018-01-26 17:56:22 +00:00
2018-05-16 11:07:07 +00:00
< pre style = "padding: 1em 1em 1em 1em; width: 62.5em;background-color: #f0f0f0 " >
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static < a href = 'SkImageInfo_Reference#SkImageInfo' > SkImageInfo< / a > < a href = '#SkImageInfo_MakeUnknown' > MakeUnknown< / a > (< a href = '#SkImageInfo_MakeUnknown' > int< / a > < a href = '#SkImageInfo_MakeUnknown' > width< / a > , < a href = '#SkImageInfo_MakeUnknown' > int< / a > < a href = '#SkImageInfo_MakeUnknown' > height< / a > )
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< / pre >
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Creates < a href = 'SkImageInfo_Reference#SkImageInfo' > SkImageInfo< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > from< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > integral< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > dimensions< / a > < a href = '#SkImageInfo_MakeUnknown_width' > width< / a > < a href = '#SkImageInfo_MakeUnknown_width' > and< / a > < a href = '#SkImageInfo_MakeUnknown_height' > height< / a > , < a href = 'SkImageInfo_Reference#kUnknown_SkColorType' > kUnknown_SkColorType< / a > ,
< a href = 'SkImageInfo_Reference#kUnknown_SkAlphaType' > kUnknown_SkAlphaType< / a > , < a href = 'SkImageInfo_Reference#kUnknown_SkAlphaType' > with< / a > < a href = 'undocumented#SkColorSpace' > SkColorSpace< / a > < a href = 'undocumented#SkColorSpace' > set< / a > < a href = 'undocumented#SkColorSpace' > to< / a > < a href = 'undocumented#SkColorSpace' > nullptr< / a > .
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Returned < a href = 'SkImageInfo_Reference#SkImageInfo' > SkImageInfo< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > as< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > part< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > of< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > source< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > does< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > not< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > draw< / a > , < a href = 'SkImageInfo_Reference#SkImageInfo' > and< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > as< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > part< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > of< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > destination< / a >
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can not be drawn to.
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### Parameters
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< table > < tr > < td > < a name = 'SkImageInfo_MakeUnknown_width' > < code > < strong > width< / strong > < / code > < / a > < / td >
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< td > < a href = 'undocumented#Pixel' > pixel< / a > < a href = 'undocumented#Pixel' > column< / a > < a href = 'undocumented#Pixel' > count< / a > ; < a href = 'undocumented#Pixel' > must< / a > < a href = 'undocumented#Pixel' > be< / a > < a href = 'undocumented#Pixel' > zero< / a > < a href = 'undocumented#Pixel' > or< / a > < a href = 'undocumented#Pixel' > greater< / a > < / td >
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< / tr >
< tr > < td > < a name = 'SkImageInfo_MakeUnknown_height' > < code > < strong > height< / strong > < / code > < / a > < / td >
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< td > < a href = 'undocumented#Pixel' > pixel< / a > < a href = 'undocumented#Pixel' > row< / a > < a href = 'undocumented#Pixel' > count< / a > ; < a href = 'undocumented#Pixel' > must< / a > < a href = 'undocumented#Pixel' > be< / a > < a href = 'undocumented#Pixel' > zero< / a > < a href = 'undocumented#Pixel' > or< / a > < a href = 'undocumented#Pixel' > greater< / a > < / td >
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< / tr >
< / table >
### Return Value
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created < a href = 'SkImageInfo_Reference#SkImageInfo' > SkImageInfo< / a >
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### Example
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< div > < fiddle-embed name = "75f13a78b28b08c72baf32b7d868de1c" > < / fiddle-embed > < / div >
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### See Also
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< a href = '#SkImageInfo_empty_constructor' > SkImageInfo()< / a > < a href = '#SkImageInfo_MakeN32' > MakeN32< / a > < a href = '#SkImageInfo_MakeS32' > MakeS32< / a > < a href = '#SkImageInfo_Make' > Make< / a >
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< a name = 'SkImageInfo_MakeUnknown_2' > < / a >
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---
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< pre style = "padding: 1em 1em 1em 1em; width: 62.5em;background-color: #f0f0f0 " >
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static < a href = 'SkImageInfo_Reference#SkImageInfo' > SkImageInfo< / a > < a href = '#SkImageInfo_MakeUnknown' > MakeUnknown< / a > ()
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< / pre >
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Creates < a href = 'SkImageInfo_Reference#SkImageInfo' > SkImageInfo< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > from< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > integral< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > dimensions< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > width< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > and< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > height< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > set< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > to< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > zero< / a > ,
< a href = 'SkImageInfo_Reference#kUnknown_SkColorType' > kUnknown_SkColorType< / a > , < a href = 'SkImageInfo_Reference#kUnknown_SkAlphaType' > kUnknown_SkAlphaType< / a > , < a href = 'SkImageInfo_Reference#kUnknown_SkAlphaType' > with< / a > < a href = 'undocumented#SkColorSpace' > SkColorSpace< / a > < a href = 'undocumented#SkColorSpace' > set< / a > < a href = 'undocumented#SkColorSpace' > to< / a > < a href = 'undocumented#SkColorSpace' > nullptr< / a > .
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Returned < a href = 'SkImageInfo_Reference#SkImageInfo' > SkImageInfo< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > as< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > part< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > of< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > source< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > does< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > not< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > draw< / a > , < a href = 'SkImageInfo_Reference#SkImageInfo' > and< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > as< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > part< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > of< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > destination< / a >
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can not be drawn to.
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### Return Value
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created < a href = 'SkImageInfo_Reference#SkImageInfo' > SkImageInfo< / a >
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### Example
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< div > < fiddle-embed name = "a1af7696ae0cdd6f379546dd1f211b7a" > < / fiddle-embed > < / div >
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### See Also
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< a href = '#SkImageInfo_empty_constructor' > SkImageInfo()< / a > < a href = '#SkImageInfo_MakeN32' > MakeN32< / a > < a href = '#SkImageInfo_MakeS32' > MakeS32< / a > < a href = '#SkImageInfo_Make' > Make< / a >
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< a name = 'Property' > < / a >
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< a name = 'SkImageInfo_width' > < / a >
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---
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< pre style = "padding: 1em 1em 1em 1em; width: 62.5em;background-color: #f0f0f0 " >
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int < a href = '#SkImageInfo_width' > width()< / a > < a href = '#SkImageInfo_width' > const< / a >
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< / pre >
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Returns < a href = 'undocumented#Pixel' > pixel< / a > < a href = 'undocumented#Pixel' > count< / a > < a href = 'undocumented#Pixel' > in< / a > < a href = 'undocumented#Pixel' > each< / a > < a href = 'undocumented#Pixel' > row< / a > .
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### Return Value
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< a href = 'undocumented#Pixel' > pixel< / a > < a href = 'undocumented#Pixel' > width< / a >
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### Example
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< div > < fiddle-embed name = "e2491817695290d0218be77f091b8460" > < / fiddle-embed > < / div >
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### See Also
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< a href = '#SkImageInfo_height' > height< / a > < a href = 'SkBitmap_Reference#SkBitmap' > SkBitmap< / a > ::< a href = '#SkBitmap_width' > width< / a > < a href = 'undocumented#SkPixelRef' > SkPixelRef< / a > ::< a href = '#SkPixelRef_width' > width< / a > < a href = 'SkImage_Reference#SkImage' > SkImage< / a > ::< a href = '#SkImage_width' > width< / a > < a href = 'SkSurface_Reference#SkSurface' > SkSurface< / a > ::< a href = '#SkSurface_width' > width< / a >
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< a name = 'SkImageInfo_height' > < / a >
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---
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< pre style = "padding: 1em 1em 1em 1em; width: 62.5em;background-color: #f0f0f0 " >
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int < a href = '#SkImageInfo_height' > height()< / a > < a href = '#SkImageInfo_height' > const< / a >
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< / pre >
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Returns < a href = 'undocumented#Pixel' > pixel< / a > < a href = 'undocumented#Pixel' > row< / a > < a href = 'undocumented#Pixel' > count< / a > .
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### Return Value
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< a href = 'undocumented#Pixel' > pixel< / a > < a href = 'undocumented#Pixel' > height< / a >
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### Example
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< div > < fiddle-embed name = "72c35baaeddca1d912edf93d19429c8e" > < / fiddle-embed > < / div >
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### See Also
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< a href = '#SkImageInfo_width' > width< / a > < a href = 'SkBitmap_Reference#SkBitmap' > SkBitmap< / a > ::< a href = '#SkBitmap_height' > height< / a > < a href = 'undocumented#SkPixelRef' > SkPixelRef< / a > ::< a href = '#SkPixelRef_height' > height< / a > < a href = 'SkImage_Reference#SkImage' > SkImage< / a > ::< a href = '#SkImage_height' > height< / a > < a href = 'SkSurface_Reference#SkSurface' > SkSurface< / a > ::< a href = '#SkSurface_height' > height< / a >
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< a name = 'SkImageInfo_colorType' > < / a >
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---
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< pre style = "padding: 1em 1em 1em 1em; width: 62.5em;background-color: #f0f0f0 " >
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< a href = 'SkImageInfo_Reference#SkColorType' > SkColorType< / a > < a href = '#SkImageInfo_colorType' > colorType< / a > () < a href = '#SkImageInfo_colorType' > const< / a >
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< / pre >
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Returns < a href = '#Image_Info_Color_Type' > Color_Type< / a > , < a href = '#Image_Info_Color_Type' > one< / a > < a href = '#Image_Info_Color_Type' > of< / a > : < a href = 'SkImageInfo_Reference#kUnknown_SkColorType' > kUnknown_SkColorType< / a > , < a href = 'SkImageInfo_Reference#kAlpha_8_SkColorType' > kAlpha_8_SkColorType< / a > , < a href = 'SkImageInfo_Reference#kRGB_565_SkColorType' > kRGB_565_SkColorType< / a > ,
< a href = 'SkImageInfo_Reference#kARGB_4444_SkColorType' > kARGB_4444_SkColorType< / a > , < a href = 'SkImageInfo_Reference#kRGBA_8888_SkColorType' > kRGBA_8888_SkColorType< / a > , < a href = 'SkImageInfo_Reference#kRGB_888x_SkColorType' > kRGB_888x_SkColorType< / a > ,
< a href = 'SkImageInfo_Reference#kBGRA_8888_SkColorType' > kBGRA_8888_SkColorType< / a > , < a href = 'SkImageInfo_Reference#kRGBA_1010102_SkColorType' > kRGBA_1010102_SkColorType< / a > , < a href = 'SkImageInfo_Reference#kRGB_101010x_SkColorType' > kRGB_101010x_SkColorType< / a > ,
< a href = 'SkImageInfo_Reference#kGray_8_SkColorType' > kGray_8_SkColorType< / a > , < a href = 'SkImageInfo_Reference#kRGBA_F16_SkColorType' > kRGBA_F16_SkColorType< / a >
.
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### Return Value
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< a href = '#Image_Info_Color_Type' > Color_Type< / a >
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### Example
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< div > < fiddle-embed name = "06ecc3ce7f35cc7f930cbc2a662e3105" >
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#### Example Output
~~~~
color type: kAlpha_8_SkColorType
~~~~
< / fiddle-embed > < / div >
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### See Also
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< a href = '#SkImageInfo_alphaType' > alphaType< / a > < a href = 'SkPixmap_Reference#SkPixmap' > SkPixmap< / a > ::< a href = '#SkPixmap_colorType' > colorType< / a > < a href = 'SkBitmap_Reference#SkBitmap' > SkBitmap< / a > ::< a href = '#SkBitmap_colorType' > colorType< / a >
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< a name = 'SkImageInfo_alphaType' > < / a >
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---
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< pre style = "padding: 1em 1em 1em 1em; width: 62.5em;background-color: #f0f0f0 " >
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< a href = 'SkImageInfo_Reference#SkAlphaType' > SkAlphaType< / a > < a href = '#SkImageInfo_alphaType' > alphaType< / a > () < a href = '#SkImageInfo_alphaType' > const< / a >
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< / pre >
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Returns < a href = '#Image_Info_Alpha_Type' > Alpha_Type< / a > , < a href = '#Image_Info_Alpha_Type' > one< / a > < a href = '#Image_Info_Alpha_Type' > of< / a > : < a href = 'SkImageInfo_Reference#kUnknown_SkAlphaType' > kUnknown_SkAlphaType< / a > , < a href = 'SkImageInfo_Reference#kOpaque_SkAlphaType' > kOpaque_SkAlphaType< / a > , < a href = 'SkImageInfo_Reference#kPremul_SkAlphaType' > kPremul_SkAlphaType< / a > ,
< a href = 'SkImageInfo_Reference#kUnpremul_SkAlphaType' > kUnpremul_SkAlphaType< / a >
.
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### Return Value
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< a href = '#Image_Info_Alpha_Type' > Alpha_Type< / a >
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### Example
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< div > < fiddle-embed name = "5c1d2499a4056b6cff38c1cf924158a1" >
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#### Example Output
~~~~
alpha type: kPremul_SkAlphaType
~~~~
< / fiddle-embed > < / div >
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### See Also
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< a href = '#SkImageInfo_colorType' > colorType< / a > < a href = 'SkPixmap_Reference#SkPixmap' > SkPixmap< / a > ::< a href = '#SkPixmap_alphaType' > alphaType< / a > < a href = 'SkBitmap_Reference#SkBitmap' > SkBitmap< / a > ::< a href = '#SkBitmap_alphaType' > alphaType< / a >
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< a name = 'SkImageInfo_colorSpace' > < / a >
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---
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< pre style = "padding: 1em 1em 1em 1em; width: 62.5em;background-color: #f0f0f0 " >
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< a href = 'undocumented#SkColorSpace' > SkColorSpace< / a > * < a href = '#SkImageInfo_colorSpace' > colorSpace< / a > () < a href = '#SkImageInfo_colorSpace' > const< / a >
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< / pre >
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Returns < a href = 'undocumented#SkColorSpace' > SkColorSpace< / a > , < a href = 'undocumented#SkColorSpace' > the< / a > < a href = 'undocumented#SkColorSpace' > range< / a > < a href = 'undocumented#SkColorSpace' > of< / a > < a href = 'undocumented#SkColorSpace' > colors< / a > . < a href = 'undocumented#SkColorSpace' > The< / a > < a href = 'undocumented#SkColorSpace' > reference< / a > < a href = 'undocumented#SkColorSpace' > count< / a > < a href = 'undocumented#SkColorSpace' > of< / a >
< a href = 'undocumented#SkColorSpace' > SkColorSpace< / a > < a href = 'undocumented#SkColorSpace' > is< / a > < a href = 'undocumented#SkColorSpace' > unchanged< / a > . < a href = 'undocumented#SkColorSpace' > The< / a > < a href = 'undocumented#SkColorSpace' > returned< / a > < a href = 'undocumented#SkColorSpace' > SkColorSpace< / a > < a href = 'undocumented#SkColorSpace' > is< / a > < a href = 'undocumented#SkColorSpace' > immutable< / a > .
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### Return Value
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< a href = 'undocumented#SkColorSpace' > SkColorSpace< / a > , < a href = 'undocumented#SkColorSpace' > or< / a > < a href = 'undocumented#SkColorSpace' > nullptr< / a >
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### Example
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< div > < fiddle-embed name = "5602b816d7cf75e3851274ef36a4c10f" > < div > < a href = 'undocumented#SkColorSpace' > SkColorSpace< / a > ::< a href = '#SkColorSpace_MakeSRGBLinear' > MakeSRGBLinear< / a > < a href = '#SkColorSpace_MakeSRGBLinear' > creates< / a > < a href = '#Color_Space' > Color_Space< / a > < a href = '#Color_Space' > with< / a > < a href = '#Color_Space' > linear< / a > < a href = '#Color_Space' > gamma< / a >
< a href = '#Color_Space' > and< / a > < a href = '#Color_Space' > an< / a > < a href = '#Color_Space' > sRGB< / a > < a href = '#Color_Space' > gamut< / a > . < a href = '#Color_Space' > This< / a > < a href = '#Color_Space' > Color_Space< / a > < a href = '#Color_Space' > gamma< / a > < a href = '#Color_Space' > is< / a > < a href = '#Color_Space' > not< / a > < a href = '#Color_Space' > close< / a > < a href = '#Color_Space' > to< / a > < a href = '#Color_Space' > sRGB< / a > < a href = '#Color_Space' > gamma< / a > .
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< / div >
#### Example Output
~~~~
gammaCloseToSRGB: false gammaIsLinear: true isSRGB: false
~~~~
< / fiddle-embed > < / div >
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### See Also
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< a href = '#Color_Space' > Color_Space< / a > < a href = 'SkPixmap_Reference#SkPixmap' > SkPixmap< / a > ::< a href = '#SkPixmap_colorSpace' > colorSpace< / a > < a href = 'SkBitmap_Reference#SkBitmap' > SkBitmap< / a > ::< a href = '#SkBitmap_colorSpace' > colorSpace< / a >
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< a name = 'SkImageInfo_refColorSpace' > < / a >
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---
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2018-05-16 11:07:07 +00:00
< pre style = "padding: 1em 1em 1em 1em; width: 62.5em;background-color: #f0f0f0 " >
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< a href = 'undocumented#sk_sp' > sk_sp< / a > & < a href = 'undocumented#sk_sp' > lt< / a > ;< a href = 'undocumented#SkColorSpace' > SkColorSpace< / a > & < a href = 'undocumented#SkColorSpace' > gt< / a > ; < a href = '#SkImageInfo_refColorSpace' > refColorSpace< / a > () < a href = '#SkImageInfo_refColorSpace' > const< / a >
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< / pre >
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Returns smart pointer to < a href = 'undocumented#SkColorSpace' > SkColorSpace< / a > , < a href = 'undocumented#SkColorSpace' > the< / a > < a href = 'undocumented#SkColorSpace' > range< / a > < a href = 'undocumented#SkColorSpace' > of< / a > < a href = 'undocumented#SkColorSpace' > colors< / a > . < a href = 'undocumented#SkColorSpace' > The< / a > < a href = 'undocumented#SkColorSpace' > smart< / a > < a href = 'undocumented#SkColorSpace' > pointer< / a >
tracks the number of objects sharing this < a href = 'undocumented#SkColorSpace' > SkColorSpace< / a > < a href = 'undocumented#SkColorSpace' > reference< / a > < a href = 'undocumented#SkColorSpace' > so< / a > < a href = 'undocumented#SkColorSpace' > the< / a > < a href = 'undocumented#SkColorSpace' > memory< / a >
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is released when the owners destruct.
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The returned < a href = 'undocumented#SkColorSpace' > SkColorSpace< / a > < a href = 'undocumented#SkColorSpace' > is< / a > < a href = 'undocumented#SkColorSpace' > immutable< / a > .
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### Return Value
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< a href = 'undocumented#SkColorSpace' > SkColorSpace< / a > < a href = 'undocumented#SkColorSpace' > wrapped< / a > < a href = 'undocumented#SkColorSpace' > in< / a > < a href = 'undocumented#SkColorSpace' > a< / a > < a href = 'undocumented#SkColorSpace' > smart< / a > < a href = 'undocumented#SkColorSpace' > pointer< / a >
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### Example
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< div > < fiddle-embed name = "33f65524736736fd91802b4198ba6fa8" > < / fiddle-embed > < / div >
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### See Also
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< a href = '#Color_Space' > Color_Space< / a > < a href = 'SkBitmap_Reference#SkBitmap' > SkBitmap< / a > ::< a href = '#SkBitmap_refColorSpace' > refColorSpace< / a >
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< a name = 'SkImageInfo_isEmpty' > < / a >
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---
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2018-05-16 11:07:07 +00:00
< pre style = "padding: 1em 1em 1em 1em; width: 62.5em;background-color: #f0f0f0 " >
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bool < a href = '#SkImageInfo_isEmpty' > isEmpty< / a > () < a href = '#SkImageInfo_isEmpty' > const< / a >
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< / pre >
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Returns if < a href = 'SkImageInfo_Reference#SkImageInfo' > SkImageInfo< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > describes< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > an< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > empty< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > area< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > of< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > pixels< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > by< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > checking< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > if< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > either< / a >
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width or height is zero or smaller.
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### Return Value
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true if either dimension is zero or smaller
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### Example
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< div > < fiddle-embed name = "b8757200da5be0b43763cf79feb681a7" >
#### Example Output
~~~~
width: 0 height: 0 empty: true
width: 0 height: 2 empty: true
width: 2 height: 0 empty: true
width: 2 height: 2 empty: false
~~~~
< / fiddle-embed > < / div >
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### See Also
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< a href = '#SkImageInfo_dimensions' > dimensions< / a > < a href = '#SkImageInfo_bounds' > bounds< / a > < a href = 'SkBitmap_Reference#SkBitmap' > SkBitmap< / a > ::< a href = '#SkBitmap_empty' > empty< / a > < a href = 'SkPixmap_Reference#SkPixmap' > SkPixmap< / a > ::< a href = '#SkPixmap_bounds' > bounds< / a >
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< a name = 'SkImageInfo_isOpaque' > < / a >
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---
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< pre style = "padding: 1em 1em 1em 1em; width: 62.5em;background-color: #f0f0f0 " >
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bool < a href = '#SkImageInfo_isOpaque' > isOpaque< / a > () < a href = '#SkImageInfo_isOpaque' > const< / a >
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< / pre >
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Returns true if < a href = 'SkImageInfo_Reference#SkAlphaType' > SkAlphaType< / a > < a href = 'SkImageInfo_Reference#SkAlphaType' > is< / a > < a href = 'SkImageInfo_Reference#SkAlphaType' > set< / a > < a href = 'SkImageInfo_Reference#SkAlphaType' > to< / a > < a href = 'SkImageInfo_Reference#SkAlphaType' > hint< / a > < a href = 'SkImageInfo_Reference#SkAlphaType' > that< / a > < a href = 'SkImageInfo_Reference#SkAlphaType' > all< / a > < a href = 'SkImageInfo_Reference#SkAlphaType' > pixels< / a > < a href = 'SkImageInfo_Reference#SkAlphaType' > are< / a > < a href = 'SkImageInfo_Reference#SkAlphaType' > opaque< / a > ; < a href = 'SkImageInfo_Reference#SkAlphaType' > their< / a >
< a href = 'SkColor_Reference#Alpha' > alpha< / a > < a href = 'SkColor_Reference#Alpha' > value< / a > < a href = 'SkColor_Reference#Alpha' > is< / a > < a href = 'SkColor_Reference#Alpha' > implicitly< / a > < a href = 'SkColor_Reference#Alpha' > or< / a > < a href = 'SkColor_Reference#Alpha' > explicitly< / a > 1.0. < a href = 'SkColor_Reference#Alpha' > If< / a > < a href = 'SkColor_Reference#Alpha' > true< / a > , < a href = 'SkColor_Reference#Alpha' > and< / a > < a href = 'SkColor_Reference#Alpha' > all< / a > < a href = 'SkColor_Reference#Alpha' > pixels< / a > < a href = 'SkColor_Reference#Alpha' > are< / a >
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not opaque, Skia may draw incorrectly.
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Does not check if < a href = 'SkImageInfo_Reference#SkColorType' > SkColorType< / a > < a href = 'SkImageInfo_Reference#SkColorType' > allows< / a > < a href = 'SkColor_Reference#Alpha' > alpha< / a > , < a href = 'SkColor_Reference#Alpha' > or< / a > < a href = 'SkColor_Reference#Alpha' > if< / a > < a href = 'SkColor_Reference#Alpha' > any< / a > < a href = 'undocumented#Pixel' > pixel< / a > < a href = 'undocumented#Pixel' > value< / a > < a href = 'undocumented#Pixel' > has< / a >
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transparency.
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### Return Value
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true if < a href = 'SkImageInfo_Reference#SkAlphaType' > SkAlphaType< / a > < a href = 'SkImageInfo_Reference#SkAlphaType' > is< / a > < a href = 'SkImageInfo_Reference#kOpaque_SkAlphaType' > kOpaque_SkAlphaType< / a >
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### Example
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< div > < fiddle-embed name = "e9bd4f02b6cfb3ac864cb7fee7d7299c" >
#### Example Output
~~~~
isOpaque: false
isOpaque: false
isOpaque: true
isOpaque: true
~~~~
< / fiddle-embed > < / div >
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### See Also
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< a href = '#Color_Alpha' > Color_Alpha< / a > < a href = 'SkImageInfo_Reference#SkColorTypeValidateAlphaType' > SkColorTypeValidateAlphaType< / a > < a href = 'SkBitmap_Reference#SkBitmap' > SkBitmap< / a > ::< a href = '#SkBitmap_isOpaque' > isOpaque< / a > < a href = 'SkImage_Reference#SkImage' > SkImage< / a > ::< a href = '#SkImage_isOpaque' > isOpaque< / a > < a href = 'SkPixmap_Reference#SkPixmap' > SkPixmap< / a > ::< a href = '#SkPixmap_isOpaque' > isOpaque< / a >
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< a name = 'SkImageInfo_dimensions' > < / a >
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---
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< pre style = "padding: 1em 1em 1em 1em; width: 62.5em;background-color: #f0f0f0 " >
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< a href = 'undocumented#SkISize' > SkISize< / a > < a href = '#SkImageInfo_dimensions' > dimensions()< / a > < a href = '#SkImageInfo_dimensions' > const< / a >
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< / pre >
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Returns < a href = 'undocumented#SkISize' > SkISize< / a > { < a href = '#SkImageInfo_width' > width()< / a > , < a href = '#SkImageInfo_height' > height()< / a > }.
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### Return Value
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integral < a href = 'undocumented#Size' > size< / a > < a href = 'undocumented#Size' > of< / a > < a href = '#SkImageInfo_width' > width()< / a > < a href = '#SkImageInfo_width' > and< / a > < a href = '#SkImageInfo_height' > height()< / a >
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### Example
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< div > < fiddle-embed name = "d5547cd2b302822aa85b7b0ae3f48458" >
#### Example Output
~~~~
dimensionsAsBounds == bounds
~~~~
< / fiddle-embed > < / div >
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### See Also
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< a href = '#SkImageInfo_width' > width< / a > < a href = '#SkImageInfo_height' > height< / a > < a href = '#SkImageInfo_bounds' > bounds< / a > < a href = 'SkBitmap_Reference#SkBitmap' > SkBitmap< / a > ::< a href = '#SkBitmap_dimensions' > dimensions< / a >
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< a name = 'SkImageInfo_bounds' > < / a >
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---
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< pre style = "padding: 1em 1em 1em 1em; width: 62.5em;background-color: #f0f0f0 " >
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< a href = 'SkIRect_Reference#SkIRect' > SkIRect< / a > < a href = '#SkImageInfo_bounds' > bounds()< / a > < a href = '#SkImageInfo_bounds' > const< / a >
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< / pre >
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Returns < a href = 'SkIRect_Reference#SkIRect' > SkIRect< / a > { 0, 0, < a href = '#SkImageInfo_width' > width()< / a > , < a href = '#SkImageInfo_height' > height()< / a > }.
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### Return Value
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integral rectangle from origin to < a href = '#SkImageInfo_width' > width()< / a > < a href = '#SkImageInfo_width' > and< / a > < a href = '#SkImageInfo_height' > height()< / a >
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### Example
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< div > < fiddle-embed name = "a818be8945cd0c18f99ffe53e90afa48" > < / fiddle-embed > < / div >
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### See Also
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< a href = '#SkImageInfo_width' > width< / a > < a href = '#SkImageInfo_height' > height< / a > < a href = '#SkImageInfo_dimensions' > dimensions< / a >
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< a name = 'SkImageInfo_gammaCloseToSRGB' > < / a >
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---
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< pre style = "padding: 1em 1em 1em 1em; width: 62.5em;background-color: #f0f0f0 " >
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bool < a href = '#SkImageInfo_gammaCloseToSRGB' > gammaCloseToSRGB< / a > () < a href = '#SkImageInfo_gammaCloseToSRGB' > const< / a >
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< / pre >
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Returns true if associated < a href = '#Color_Space' > Color_Space< / a > < a href = '#Color_Space' > is< / a > < a href = '#Color_Space' > not< / a > < a href = '#Color_Space' > nullptr< / a > , < a href = '#Color_Space' > and< / a > < a href = '#Color_Space' > Color_Space< / a > < a href = '#Color_Space' > gamma< / a >
< a href = '#Color_Space' > is< / a > < a href = '#Color_Space' > approximately< / a > < a href = '#Color_Space' > the< / a > < a href = '#Color_Space' > same< / a > < a href = '#Color_Space' > as< / a > < a href = '#Color_Space' > sRGB< / a > .
< a href = '#Color_Space' > This< / a > < a href = '#Color_Space' > includes< / a > < a href = '#Color_Space' > the< / a >
< a href = 'https://en.wikipedia.org/wiki/SRGB#The_sRGB_transfer_function_(%22gamma%22)' > sRGB transfer function< / a > < / a > as well as a gamma < a href = 'undocumented#Curve' > curve< / a > < a href = 'undocumented#Curve' > described< / a > < a href = 'undocumented#Curve' > by< / a > < a href = 'undocumented#Curve' > a< / a > 2.2 < a href = 'undocumented#Curve' > exponent< / a > .
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### Return Value
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true if < a href = '#Color_Space' > Color_Space< / a > < a href = '#Color_Space' > gamma< / a > < a href = '#Color_Space' > is< / a > < a href = '#Color_Space' > approximately< / a > < a href = '#Color_Space' > the< / a > < a href = '#Color_Space' > same< / a > < a href = '#Color_Space' > as< / a > < a href = '#Color_Space' > sRGB< / a >
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### Example
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< div > < fiddle-embed name = "22df72732e898a11773fbfe07388a546" > < / fiddle-embed > < / div >
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### See Also
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< a href = 'undocumented#SkColorSpace' > SkColorSpace< / a > ::< a href = '#SkColorSpace_gammaCloseToSRGB' > gammaCloseToSRGB< / a >
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< a name = 'SkImageInfo_makeWH' > < / a >
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---
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< pre style = "padding: 1em 1em 1em 1em; width: 62.5em;background-color: #f0f0f0 " >
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< a href = 'SkImageInfo_Reference#SkImageInfo' > SkImageInfo< / a > < a href = '#SkImageInfo_makeWH' > makeWH< / a > (< a href = '#SkImageInfo_makeWH' > int< / a > < a href = '#SkImageInfo_makeWH' > newWidth< / a > , < a href = '#SkImageInfo_makeWH' > int< / a > < a href = '#SkImageInfo_makeWH' > newHeight< / a > ) < a href = '#SkImageInfo_makeWH' > const< / a >
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< / pre >
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Creates < a href = 'SkImageInfo_Reference#SkImageInfo' > SkImageInfo< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > with< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > the< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > same< / a > < a href = 'SkImageInfo_Reference#SkColorType' > SkColorType< / a > , < a href = 'undocumented#SkColorSpace' > SkColorSpace< / a > , < a href = 'undocumented#SkColorSpace' > and< / a > < a href = 'SkImageInfo_Reference#SkAlphaType' > SkAlphaType< / a > ,
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with dimensions set to width and height.
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### Parameters
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< table > < tr > < td > < a name = 'SkImageInfo_makeWH_newWidth' > < code > < strong > newWidth< / strong > < / code > < / a > < / td >
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< td > < a href = 'undocumented#Pixel' > pixel< / a > < a href = 'undocumented#Pixel' > column< / a > < a href = 'undocumented#Pixel' > count< / a > ; < a href = 'undocumented#Pixel' > must< / a > < a href = 'undocumented#Pixel' > be< / a > < a href = 'undocumented#Pixel' > zero< / a > < a href = 'undocumented#Pixel' > or< / a > < a href = 'undocumented#Pixel' > greater< / a > < / td >
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< / tr >
< tr > < td > < a name = 'SkImageInfo_makeWH_newHeight' > < code > < strong > newHeight< / strong > < / code > < / a > < / td >
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< td > < a href = 'undocumented#Pixel' > pixel< / a > < a href = 'undocumented#Pixel' > row< / a > < a href = 'undocumented#Pixel' > count< / a > ; < a href = 'undocumented#Pixel' > must< / a > < a href = 'undocumented#Pixel' > be< / a > < a href = 'undocumented#Pixel' > zero< / a > < a href = 'undocumented#Pixel' > or< / a > < a href = 'undocumented#Pixel' > greater< / a > < / td >
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< / tr >
< / table >
### Return Value
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created < a href = 'SkImageInfo_Reference#SkImageInfo' > SkImageInfo< / a >
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### Example
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< div > < fiddle-embed name = "cd203a3f9c5fb68272f21f302dd54fbc" > < / fiddle-embed > < / div >
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### See Also
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< a href = '#SkImageInfo_Make' > Make< / a > < a href = '#SkImageInfo_makeAlphaType' > makeAlphaType< / a > < a href = '#SkImageInfo_makeColorSpace' > makeColorSpace< / a > < a href = '#SkImageInfo_makeColorType' > makeColorType< / a >
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< a name = 'SkImageInfo_makeAlphaType' > < / a >
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---
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< pre style = "padding: 1em 1em 1em 1em; width: 62.5em;background-color: #f0f0f0 " >
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< a href = 'SkImageInfo_Reference#SkImageInfo' > SkImageInfo< / a > < a href = '#SkImageInfo_makeAlphaType' > makeAlphaType< / a > (< a href = 'SkImageInfo_Reference#SkAlphaType' > SkAlphaType< / a > < a href = 'SkImageInfo_Reference#SkAlphaType' > newAlphaType< / a > ) < a href = 'SkImageInfo_Reference#SkAlphaType' > const< / a >
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< / pre >
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Creates < a href = 'SkImageInfo_Reference#SkImageInfo' > SkImageInfo< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > with< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > same< / a > < a href = 'SkImageInfo_Reference#SkColorType' > SkColorType< / a > , < a href = 'undocumented#SkColorSpace' > SkColorSpace< / a > , < a href = 'undocumented#SkColorSpace' > width< / a > , < a href = 'undocumented#SkColorSpace' > and< / a > < a href = 'undocumented#SkColorSpace' > height< / a > ,
with < a href = 'SkImageInfo_Reference#SkAlphaType' > SkAlphaType< / a > < a href = 'SkImageInfo_Reference#SkAlphaType' > set< / a > < a href = 'SkImageInfo_Reference#SkAlphaType' > to< / a > < a href = '#SkImageInfo_makeAlphaType_newAlphaType' > newAlphaType< / a > .
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Created < a href = 'SkImageInfo_Reference#SkImageInfo' > SkImageInfo< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > contains< / a > < a href = '#SkImageInfo_makeAlphaType_newAlphaType' > newAlphaType< / a > < a href = '#SkImageInfo_makeAlphaType_newAlphaType' > even< / a > < a href = '#SkImageInfo_makeAlphaType_newAlphaType' > if< / a > < a href = '#SkImageInfo_makeAlphaType_newAlphaType' > it< / a > < a href = '#SkImageInfo_makeAlphaType_newAlphaType' > is< / a > < a href = '#SkImageInfo_makeAlphaType_newAlphaType' > incompatible< / a > < a href = '#SkImageInfo_makeAlphaType_newAlphaType' > with< / a >
< a href = 'SkImageInfo_Reference#SkColorType' > SkColorType< / a > , < a href = 'SkImageInfo_Reference#SkColorType' > in< / a > < a href = 'SkImageInfo_Reference#SkColorType' > which< / a > < a href = 'SkImageInfo_Reference#SkColorType' > case< / a > < a href = 'SkImageInfo_Reference#SkAlphaType' > SkAlphaType< / a > < a href = 'SkImageInfo_Reference#SkAlphaType' > in< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > SkImageInfo< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > is< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > ignored< / a > .
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### Parameters
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< table > < tr > < td > < a name = 'SkImageInfo_makeAlphaType_newAlphaType' > < code > < strong > newAlphaType< / strong > < / code > < / a > < / td >
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< td > one of:< / td >
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< / tr >
< / table >
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< a href = 'SkImageInfo_Reference#kUnknown_SkAlphaType' > kUnknown_SkAlphaType< / a > , < a href = 'SkImageInfo_Reference#kOpaque_SkAlphaType' > kOpaque_SkAlphaType< / a > , < a href = 'SkImageInfo_Reference#kPremul_SkAlphaType' > kPremul_SkAlphaType< / a > ,
< a href = 'SkImageInfo_Reference#kUnpremul_SkAlphaType' > kUnpremul_SkAlphaType< / a >
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### Return Value
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created < a href = 'SkImageInfo_Reference#SkImageInfo' > SkImageInfo< / a >
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### Example
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< div > < fiddle-embed name = "e72db006f1bea26feceaef8727ff9818" > < / fiddle-embed > < / div >
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### See Also
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< a href = '#SkImageInfo_Make' > Make< / a > < a href = '#SkImageInfo_MakeA8' > MakeA8< / a > < a href = '#SkImageInfo_makeColorType' > makeColorType< / a > < a href = '#SkImageInfo_makeColorSpace' > makeColorSpace< / a >
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< a name = 'SkImageInfo_makeColorType' > < / a >
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---
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< pre style = "padding: 1em 1em 1em 1em; width: 62.5em;background-color: #f0f0f0 " >
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< a href = 'SkImageInfo_Reference#SkImageInfo' > SkImageInfo< / a > < a href = '#SkImageInfo_makeColorType' > makeColorType< / a > (< a href = 'SkImageInfo_Reference#SkColorType' > SkColorType< / a > < a href = 'SkImageInfo_Reference#SkColorType' > newColorType< / a > ) < a href = 'SkImageInfo_Reference#SkColorType' > const< / a >
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< / pre >
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Creates < a href = 'SkImageInfo_Reference#SkImageInfo' > SkImageInfo< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > with< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > same< / a > < a href = 'SkImageInfo_Reference#SkAlphaType' > SkAlphaType< / a > , < a href = 'undocumented#SkColorSpace' > SkColorSpace< / a > , < a href = 'undocumented#SkColorSpace' > width< / a > , < a href = 'undocumented#SkColorSpace' > and< / a > < a href = 'undocumented#SkColorSpace' > height< / a > ,
with < a href = 'SkImageInfo_Reference#SkColorType' > SkColorType< / a > < a href = 'SkImageInfo_Reference#SkColorType' > set< / a > < a href = 'SkImageInfo_Reference#SkColorType' > to< / a > < a href = '#SkImageInfo_makeColorType_newColorType' > newColorType< / a > .
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### Parameters
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< table > < tr > < td > < a name = 'SkImageInfo_makeColorType_newColorType' > < code > < strong > newColorType< / strong > < / code > < / a > < / td >
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< td > one of:< / td >
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< / tr >
< / table >
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< a href = 'SkImageInfo_Reference#kUnknown_SkColorType' > kUnknown_SkColorType< / a > , < a href = 'SkImageInfo_Reference#kAlpha_8_SkColorType' > kAlpha_8_SkColorType< / a > , < a href = 'SkImageInfo_Reference#kRGB_565_SkColorType' > kRGB_565_SkColorType< / a > ,
< a href = 'SkImageInfo_Reference#kARGB_4444_SkColorType' > kARGB_4444_SkColorType< / a > , < a href = 'SkImageInfo_Reference#kRGBA_8888_SkColorType' > kRGBA_8888_SkColorType< / a > , < a href = 'SkImageInfo_Reference#kRGB_888x_SkColorType' > kRGB_888x_SkColorType< / a > ,
< a href = 'SkImageInfo_Reference#kBGRA_8888_SkColorType' > kBGRA_8888_SkColorType< / a > , < a href = 'SkImageInfo_Reference#kRGBA_1010102_SkColorType' > kRGBA_1010102_SkColorType< / a > ,
< a href = 'SkImageInfo_Reference#kRGB_101010x_SkColorType' > kRGB_101010x_SkColorType< / a > , < a href = 'SkImageInfo_Reference#kGray_8_SkColorType' > kGray_8_SkColorType< / a > , < a href = 'SkImageInfo_Reference#kRGBA_F16_SkColorType' > kRGBA_F16_SkColorType< / a >
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### Return Value
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created < a href = 'SkImageInfo_Reference#SkImageInfo' > SkImageInfo< / a >
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### Example
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< div > < fiddle-embed name = "3ac267b08b12dc83c95f91d8dd5d70ee" > < / fiddle-embed > < / div >
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### See Also
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< a href = '#SkImageInfo_Make' > Make< / a > < a href = '#SkImageInfo_makeAlphaType' > makeAlphaType< / a > < a href = '#SkImageInfo_makeColorSpace' > makeColorSpace< / a >
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< a name = 'SkImageInfo_makeColorSpace' > < / a >
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---
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< pre style = "padding: 1em 1em 1em 1em; width: 62.5em;background-color: #f0f0f0 " >
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< a href = 'SkImageInfo_Reference#SkImageInfo' > SkImageInfo< / a > < a href = '#SkImageInfo_makeColorSpace' > makeColorSpace< / a > (< a href = 'undocumented#sk_sp' > sk_sp< / a > & < a href = 'undocumented#sk_sp' > lt< / a > ;< a href = 'undocumented#SkColorSpace' > SkColorSpace< / a > & < a href = 'undocumented#SkColorSpace' > gt< / a > ; < a href = 'undocumented#SkColorSpace' > cs< / a > ) < a href = 'undocumented#SkColorSpace' > const< / a >
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< / pre >
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Creates < a href = 'SkImageInfo_Reference#SkImageInfo' > SkImageInfo< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > with< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > same< / a > < a href = 'SkImageInfo_Reference#SkAlphaType' > SkAlphaType< / a > , < a href = 'SkImageInfo_Reference#SkColorType' > SkColorType< / a > , < a href = 'SkImageInfo_Reference#SkColorType' > width< / a > , < a href = 'SkImageInfo_Reference#SkColorType' > and< / a > < a href = 'SkImageInfo_Reference#SkColorType' > height< / a > ,
with < a href = 'undocumented#SkColorSpace' > SkColorSpace< / a > < a href = 'undocumented#SkColorSpace' > set< / a > < a href = 'undocumented#SkColorSpace' > to< / a > < a href = '#SkImageInfo_makeColorSpace_cs' > cs< / a > .
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### Parameters
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< table > < tr > < td > < a name = 'SkImageInfo_makeColorSpace_cs' > < code > < strong > cs< / strong > < / code > < / a > < / td >
< td > range of colors; may be nullptr< / td >
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< / tr >
< / table >
### Return Value
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created < a href = 'SkImageInfo_Reference#SkImageInfo' > SkImageInfo< / a >
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### Example
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< div > < fiddle-embed name = "fe3c5a755d3dde29bba058a583f18901" > < / fiddle-embed > < / div >
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### See Also
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< a href = '#SkImageInfo_Make' > Make< / a > < a href = '#SkImageInfo_MakeS32' > MakeS32< / a > < a href = '#SkImageInfo_makeAlphaType' > makeAlphaType< / a > < a href = '#SkImageInfo_makeColorType' > makeColorType< / a >
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< a name = 'SkImageInfo_bytesPerPixel' > < / a >
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---
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< pre style = "padding: 1em 1em 1em 1em; width: 62.5em;background-color: #f0f0f0 " >
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int < a href = '#SkImageInfo_bytesPerPixel' > bytesPerPixel< / a > () < a href = '#SkImageInfo_bytesPerPixel' > const< / a >
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< / pre >
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Returns number of bytes per < a href = 'undocumented#Pixel' > pixel< / a > < a href = 'undocumented#Pixel' > required< / a > < a href = 'undocumented#Pixel' > by< / a > < a href = 'SkImageInfo_Reference#SkColorType' > SkColorType< / a > .
Returns zero if < a href = '#SkImageInfo_colorType' > colorType< / a > ( < a href = '#SkImageInfo_colorType' > is< / a > < a href = 'SkImageInfo_Reference#kUnknown_SkColorType' > kUnknown_SkColorType< / a > .
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### Return Value
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bytes in < a href = 'undocumented#Pixel' > pixel< / a >
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### Example
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< div > < fiddle-embed name = "9b6de4a07b2316228e9340e5a3b82134" > < a href = 'SkImageInfo_Reference#kUnknown_SkColorType' > kUnknown_SkColorType< / a > , < a href = 'SkImageInfo_Reference#kAlpha_8_SkColorType' > kAlpha_8_SkColorType< / a > , < a href = 'SkImageInfo_Reference#kRGB_565_SkColorType' > kRGB_565_SkColorType< / a > ,
< a href = 'SkImageInfo_Reference#kARGB_4444_SkColorType' > kARGB_4444_SkColorType< / a > , < a href = 'SkImageInfo_Reference#kRGBA_8888_SkColorType' > kRGBA_8888_SkColorType< / a > , < a href = 'SkImageInfo_Reference#kRGB_888x_SkColorType' > kRGB_888x_SkColorType< / a > ,
< a href = 'SkImageInfo_Reference#kBGRA_8888_SkColorType' > kBGRA_8888_SkColorType< / a > , < a href = 'SkImageInfo_Reference#kRGBA_1010102_SkColorType' > kRGBA_1010102_SkColorType< / a > , < a href = 'SkImageInfo_Reference#kRGB_101010x_SkColorType' > kRGB_101010x_SkColorType< / a > ,
< a href = 'SkImageInfo_Reference#kGray_8_SkColorType' > kGray_8_SkColorType< / a > , < a href = 'SkImageInfo_Reference#kRGBA_F16_SkColorType' > kRGBA_F16_SkColorType< / a >
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#### Example Output
~~~~
color: kUnknown_SkColorType bytesPerPixel: 0
color: kAlpha_8_SkColorType bytesPerPixel: 1
color: kRGB_565_SkColorType bytesPerPixel: 2
color: kARGB_4444_SkColorType bytesPerPixel: 2
color: kRGBA_8888_SkColorType bytesPerPixel: 4
color: kRGB_888x_SkColorType bytesPerPixel: 4
color: kBGRA_8888_SkColorType bytesPerPixel: 4
color: kRGBA_1010102_SkColorType bytesPerPixel: 4
color: kRGB_101010x_SkColorType bytesPerPixel: 4
color: kGray_8_SkColorType bytesPerPixel: 1
color: kRGBA_F16_SkColorType bytesPerPixel: 8
~~~~
< / fiddle-embed > < / div >
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### See Also
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< a href = '#SkImageInfo_width' > width< / a > < a href = '#SkImageInfo_shiftPerPixel' > shiftPerPixel< / a > < a href = 'SkBitmap_Reference#SkBitmap' > SkBitmap< / a > ::< a href = '#SkBitmap_bytesPerPixel' > bytesPerPixel< / a >
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< a name = 'SkImageInfo_shiftPerPixel' > < / a >
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---
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< pre style = "padding: 1em 1em 1em 1em; width: 62.5em;background-color: #f0f0f0 " >
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int < a href = '#SkImageInfo_shiftPerPixel' > shiftPerPixel< / a > () < a href = '#SkImageInfo_shiftPerPixel' > const< / a >
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< / pre >
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Returns bit shift converting row bytes to row pixels.
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Returns zero for < a href = 'SkImageInfo_Reference#kUnknown_SkColorType' > kUnknown_SkColorType< / a > .
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### Return Value
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one of: 0, 1, 2, 3; left shift to convert pixels to bytes
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### Example
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< div > < fiddle-embed name = "e47b911f94fc629f756a829e523a2a89" > < a href = 'SkImageInfo_Reference#kUnknown_SkColorType' > kUnknown_SkColorType< / a > , < a href = 'SkImageInfo_Reference#kAlpha_8_SkColorType' > kAlpha_8_SkColorType< / a > , < a href = 'SkImageInfo_Reference#kRGB_565_SkColorType' > kRGB_565_SkColorType< / a > ,
< a href = 'SkImageInfo_Reference#kARGB_4444_SkColorType' > kARGB_4444_SkColorType< / a > , < a href = 'SkImageInfo_Reference#kRGBA_8888_SkColorType' > kRGBA_8888_SkColorType< / a > , < a href = 'SkImageInfo_Reference#kRGB_888x_SkColorType' > kRGB_888x_SkColorType< / a > ,
< a href = 'SkImageInfo_Reference#kBGRA_8888_SkColorType' > kBGRA_8888_SkColorType< / a > , < a href = 'SkImageInfo_Reference#kRGBA_1010102_SkColorType' > kRGBA_1010102_SkColorType< / a > , < a href = 'SkImageInfo_Reference#kRGB_101010x_SkColorType' > kRGB_101010x_SkColorType< / a > ,
< a href = 'SkImageInfo_Reference#kGray_8_SkColorType' > kGray_8_SkColorType< / a > , < a href = 'SkImageInfo_Reference#kRGBA_F16_SkColorType' > kRGBA_F16_SkColorType< / a >
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#### Example Output
~~~~
color: kUnknown_SkColorType shiftPerPixel: 0
color: kAlpha_8_SkColorType shiftPerPixel: 0
color: kRGB_565_SkColorType shiftPerPixel: 1
color: kARGB_4444_SkColorType shiftPerPixel: 1
color: kRGBA_8888_SkColorType shiftPerPixel: 2
color: kRGB_888x_SkColorType shiftPerPixel: 2
color: kBGRA_8888_SkColorType shiftPerPixel: 2
color: kRGBA_1010102_SkColorType shiftPerPixel: 2
color: kRGB_101010x_SkColorType shiftPerPixel: 2
color: kGray_8_SkColorType shiftPerPixel: 0
color: kRGBA_F16_SkColorType shiftPerPixel: 3
~~~~
< / fiddle-embed > < / div >
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### See Also
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< a href = '#SkImageInfo_bytesPerPixel' > bytesPerPixel< / a > < a href = '#SkImageInfo_minRowBytes' > minRowBytes< / a > < a href = 'SkBitmap_Reference#SkBitmap' > SkBitmap< / a > ::< a href = '#SkBitmap_shiftPerPixel' > shiftPerPixel< / a > < a href = 'SkPixmap_Reference#SkPixmap' > SkPixmap< / a > ::< a href = '#SkPixmap_shiftPerPixel' > shiftPerPixel< / a >
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< a name = 'SkImageInfo_minRowBytes64' > < / a >
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---
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< pre style = "padding: 1em 1em 1em 1em; width: 62.5em;background-color: #f0f0f0 " >
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uint64_t < a href = '#SkImageInfo_minRowBytes64' > minRowBytes64< / a > () < a href = '#SkImageInfo_minRowBytes64' > const< / a >
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< / pre >
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Returns minimum bytes per row, computed from < a href = 'undocumented#Pixel' > pixel< / a > < a href = '#SkImageInfo_width' > width()< / a > < a href = '#SkImageInfo_width' > and< / a > < a href = 'SkImageInfo_Reference#SkColorType' > SkColorType< / a > , < a href = 'SkImageInfo_Reference#SkColorType' > which< / a >
specifies < a href = '#SkImageInfo_bytesPerPixel' > bytesPerPixel< / a > (). < a href = 'SkBitmap_Reference#SkBitmap' > SkBitmap< / a > < a href = 'SkBitmap_Reference#SkBitmap' > maximum< / a > < a href = 'SkBitmap_Reference#SkBitmap' > value< / a > < a href = 'SkBitmap_Reference#SkBitmap' > for< / a > < a href = 'SkBitmap_Reference#SkBitmap' > row< / a > < a href = 'SkBitmap_Reference#SkBitmap' > bytes< / a > < a href = 'SkBitmap_Reference#SkBitmap' > must< / a > < a href = 'SkBitmap_Reference#SkBitmap' > fit< / a >
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in 31 bits.
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### Return Value
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< a href = '#SkImageInfo_width' > width()< / a > < a href = '#SkImageInfo_width' > times< / a > < a href = '#SkImageInfo_bytesPerPixel' > bytesPerPixel< / a > () < a href = '#SkImageInfo_bytesPerPixel' > as< / a > < a href = '#SkImageInfo_bytesPerPixel' > unsigned< / a > 64-< a href = '#SkImageInfo_bytesPerPixel' > bit< / a > < a href = '#SkImageInfo_bytesPerPixel' > integer< / a >
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### Example
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< div > < fiddle-embed name = "4b5d3904476726a39f1c3e276d6b6ba7" >
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#### Example Output
~~~~
RGBA_F16 width 16777216 (0x01000000) OK
RGBA_F16 width 33554432 (0x02000000) OK
RGBA_F16 width 67108864 (0x04000000) OK
RGBA_F16 width 134217728 (0x08000000) OK
RGBA_F16 width 268435456 (0x10000000) too large
RGBA_F16 width 536870912 (0x20000000) too large
RGBA_F16 width 1073741824 (0x40000000) too large
RGBA_F16 width -2147483648 (0x80000000) too large
~~~~
< / fiddle-embed > < / div >
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### See Also
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< a href = '#SkImageInfo_minRowBytes' > minRowBytes< / a > < a href = '#SkImageInfo_computeByteSize' > computeByteSize< / a > < a href = '#SkImageInfo_computeMinByteSize' > computeMinByteSize< / a > < a href = '#SkImageInfo_validRowBytes' > validRowBytes< / a >
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< a name = 'SkImageInfo_minRowBytes' > < / a >
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---
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< pre style = "padding: 1em 1em 1em 1em; width: 62.5em;background-color: #f0f0f0 " >
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size_t < a href = '#SkImageInfo_minRowBytes' > minRowBytes< / a > () < a href = '#SkImageInfo_minRowBytes' > const< / a >
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< / pre >
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Returns minimum bytes per row, computed from < a href = 'undocumented#Pixel' > pixel< / a > < a href = '#SkImageInfo_width' > width()< / a > < a href = '#SkImageInfo_width' > and< / a > < a href = 'SkImageInfo_Reference#SkColorType' > SkColorType< / a > , < a href = 'SkImageInfo_Reference#SkColorType' > which< / a >
specifies < a href = '#SkImageInfo_bytesPerPixel' > bytesPerPixel< / a > (). < a href = 'SkBitmap_Reference#SkBitmap' > SkBitmap< / a > < a href = 'SkBitmap_Reference#SkBitmap' > maximum< / a > < a href = 'SkBitmap_Reference#SkBitmap' > value< / a > < a href = 'SkBitmap_Reference#SkBitmap' > for< / a > < a href = 'SkBitmap_Reference#SkBitmap' > row< / a > < a href = 'SkBitmap_Reference#SkBitmap' > bytes< / a > < a href = 'SkBitmap_Reference#SkBitmap' > must< / a > < a href = 'SkBitmap_Reference#SkBitmap' > fit< / a >
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in 31 bits.
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### Return Value
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< a href = '#SkImageInfo_width' > width()< / a > < a href = '#SkImageInfo_width' > times< / a > < a href = '#SkImageInfo_bytesPerPixel' > bytesPerPixel< / a > () < a href = '#SkImageInfo_bytesPerPixel' > as< / a > < a href = '#SkImageInfo_bytesPerPixel' > signed< / a > 32-< a href = '#SkImageInfo_bytesPerPixel' > bit< / a > < a href = '#SkImageInfo_bytesPerPixel' > integer< / a >
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### Example
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< div > < fiddle-embed name = "897230ecfb36095486beca324fd369f9" >
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#### Example Output
~~~~
RGBA_F16 width 16777216 (0x01000000) OK
RGBA_F16 width 33554432 (0x02000000) OK
RGBA_F16 width 67108864 (0x04000000) OK
RGBA_F16 width 134217728 (0x08000000) OK
RGBA_F16 width 268435456 (0x10000000) too large
RGBA_F16 width 536870912 (0x20000000) too large
RGBA_F16 width 1073741824 (0x40000000) too large
RGBA_F16 width -2147483648 (0x80000000) too large
~~~~
< / fiddle-embed > < / div >
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### See Also
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< a href = '#SkImageInfo_minRowBytes64' > minRowBytes64< / a > < a href = '#SkImageInfo_computeByteSize' > computeByteSize< / a > < a href = '#SkImageInfo_computeMinByteSize' > computeMinByteSize< / a > < a href = '#SkImageInfo_validRowBytes' > validRowBytes< / a >
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< a name = 'SkImageInfo_computeOffset' > < / a >
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---
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< pre style = "padding: 1em 1em 1em 1em; width: 62.5em;background-color: #f0f0f0 " >
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size_t < a href = '#SkImageInfo_computeOffset' > computeOffset< / a > (< a href = '#SkImageInfo_computeOffset' > int< / a > < a href = '#SkImageInfo_computeOffset' > x< / a > , < a href = '#SkImageInfo_computeOffset' > int< / a > < a href = '#SkImageInfo_computeOffset' > y< / a > , < a href = '#SkImageInfo_computeOffset' > size_t< / a > < a href = '#SkImageInfo_computeOffset' > rowBytes< / a > ) < a href = '#SkImageInfo_computeOffset' > const< / a >
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< / pre >
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Returns byte offset of < a href = 'undocumented#Pixel' > pixel< / a > < a href = 'undocumented#Pixel' > from< / a > < a href = 'undocumented#Pixel' > pixel< / a > < a href = 'undocumented#Pixel' > base< / a > < a href = 'undocumented#Pixel' > address< / a > .
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Asserts in debug build if < a href = '#SkImageInfo_computeOffset_x' > x< / a > < a href = '#SkImageInfo_computeOffset_x' > or< / a > < a href = '#SkImageInfo_computeOffset_y' > y< / a > < a href = '#SkImageInfo_computeOffset_y' > is< / a > < a href = '#SkImageInfo_computeOffset_y' > outside< / a > < a href = '#SkImageInfo_computeOffset_y' > of< / a > < a href = '#SkImageInfo_computeOffset_y' > bounds< / a > . < a href = '#SkImageInfo_computeOffset_y' > Does< / a > < a href = '#SkImageInfo_computeOffset_y' > not< / a > < a href = '#SkImageInfo_computeOffset_y' > assert< / a > < a href = '#SkImageInfo_computeOffset_y' > if< / a >
< a href = '#SkImageInfo_computeOffset_rowBytes' > rowBytes< / a > < a href = '#SkImageInfo_computeOffset_rowBytes' > is< / a > < a href = '#SkImageInfo_computeOffset_rowBytes' > smaller< / a > < a href = '#SkImageInfo_computeOffset_rowBytes' > than< / a > < a href = '#SkImageInfo_minRowBytes' > minRowBytes< / a > (), < a href = '#SkImageInfo_minRowBytes' > even< / a > < a href = '#SkImageInfo_minRowBytes' > though< / a > < a href = '#SkImageInfo_minRowBytes' > result< / a > < a href = '#SkImageInfo_minRowBytes' > may< / a > < a href = '#SkImageInfo_minRowBytes' > be< / a > < a href = '#SkImageInfo_minRowBytes' > incorrect< / a > .
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### Parameters
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< table > < tr > < td > < a name = 'SkImageInfo_computeOffset_x' > < code > < strong > x< / strong > < / code > < / a > < / td >
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< td > column index, zero or greater, and less than < a href = '#SkImageInfo_width' > width()< / a > < / td >
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< / tr >
< tr > < td > < a name = 'SkImageInfo_computeOffset_y' > < code > < strong > y< / strong > < / code > < / a > < / td >
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< td > row index, zero or greater, and less than < a href = '#SkImageInfo_height' > height()< / a > < / td >
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< / tr >
< tr > < td > < a name = 'SkImageInfo_computeOffset_rowBytes' > < code > < strong > rowBytes< / strong > < / code > < / a > < / td >
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< td > < a href = 'undocumented#Size' > size< / a > < a href = 'undocumented#Size' > of< / a > < a href = 'undocumented#Pixel' > pixel< / a > < a href = 'undocumented#Pixel' > row< / a > < a href = 'undocumented#Pixel' > or< / a > < a href = 'undocumented#Pixel' > larger< / a > < / td >
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< / tr >
< / table >
### Return Value
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offset within < a href = 'undocumented#Pixel' > pixel< / a > < a href = 'undocumented#Pixel' > array< / a >
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### Example
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< div > < fiddle-embed name = "818e4e1191e39d2a642902cbf253b399" > < / fiddle-embed > < / div >
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### See Also
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< a href = '#SkImageInfo_height' > height< / a > < a href = '#SkImageInfo_width' > width< / a > < a href = '#SkImageInfo_minRowBytes' > minRowBytes< / a > < a href = '#SkImageInfo_computeByteSize' > computeByteSize< / a >
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< a name = 'SkImageInfo_equal1_operator' > < / a >
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---
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< pre style = "padding: 1em 1em 1em 1em; width: 62.5em;background-color: #f0f0f0 " >
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bool operator==(const < a href = 'SkImageInfo_Reference#SkImageInfo' > SkImageInfo< / a > & < a href = 'SkImageInfo_Reference#SkImageInfo' > other< / a > ) < a href = 'SkImageInfo_Reference#SkImageInfo' > const< / a >
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< / pre >
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Compares < a href = 'SkImageInfo_Reference#SkImageInfo' > SkImageInfo< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > with< / a > < a href = '#SkImageInfo_equal1_operator_other' > other< / a > , < a href = '#SkImageInfo_equal1_operator_other' > and< / a > < a href = '#SkImageInfo_equal1_operator_other' > returns< / a > < a href = '#SkImageInfo_equal1_operator_other' > true< / a > < a href = '#SkImageInfo_equal1_operator_other' > if< / a > < a href = '#SkImageInfo_equal1_operator_other' > width< / a > , < a href = '#SkImageInfo_equal1_operator_other' > height< / a > , < a href = 'SkImageInfo_Reference#SkColorType' > SkColorType< / a > ,
< a href = 'SkImageInfo_Reference#SkAlphaType' > SkAlphaType< / a > , < a href = 'SkImageInfo_Reference#SkAlphaType' > and< / a > < a href = 'undocumented#SkColorSpace' > SkColorSpace< / a > < a href = 'undocumented#SkColorSpace' > are< / a > < a href = 'undocumented#SkColorSpace' > equivalent< / a > .
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### Parameters
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< table > < tr > < td > < a name = 'SkImageInfo_equal1_operator_other' > < code > < strong > other< / strong > < / code > < / a > < / td >
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< td > < a href = 'SkImageInfo_Reference#SkImageInfo' > SkImageInfo< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > to< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > compare< / a > < / td >
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< / tr >
< / table >
### Return Value
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true if < a href = 'SkImageInfo_Reference#SkImageInfo' > SkImageInfo< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > equals< / a > < a href = '#SkImageInfo_equal1_operator_other' > other< / a >
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### Example
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< div > < fiddle-embed name = "53c212c4f2449df0b0eedbc6227b6ab7" >
#### Example Output
~~~~
info1 != info2
info1 != info2
info1 != info2
info1 == info2
~~~~
< / fiddle-embed > < / div >
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### See Also
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< a href = '#SkImageInfo_notequal1_operator' > operator!=(const SkImageInfo& other)_const< / a > < a href = 'undocumented#SkColorSpace' > SkColorSpace< / a > ::< a href = '#SkColorSpace_Equals' > Equals< / a >
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< a name = 'SkImageInfo_notequal1_operator' > < / a >
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---
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< pre style = "padding: 1em 1em 1em 1em; width: 62.5em;background-color: #f0f0f0 " >
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bool operator!=(const < a href = 'SkImageInfo_Reference#SkImageInfo' > SkImageInfo< / a > & < a href = 'SkImageInfo_Reference#SkImageInfo' > other< / a > ) < a href = 'SkImageInfo_Reference#SkImageInfo' > const< / a >
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< / pre >
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Compares < a href = 'SkImageInfo_Reference#SkImageInfo' > SkImageInfo< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > with< / a > < a href = '#SkImageInfo_notequal1_operator_other' > other< / a > , < a href = '#SkImageInfo_notequal1_operator_other' > and< / a > < a href = '#SkImageInfo_notequal1_operator_other' > returns< / a > < a href = '#SkImageInfo_notequal1_operator_other' > true< / a > < a href = '#SkImageInfo_notequal1_operator_other' > if< / a > < a href = '#SkImageInfo_notequal1_operator_other' > width< / a > , < a href = '#SkImageInfo_notequal1_operator_other' > height< / a > , < a href = 'SkImageInfo_Reference#SkColorType' > SkColorType< / a > ,
< a href = 'SkImageInfo_Reference#SkAlphaType' > SkAlphaType< / a > , < a href = 'SkImageInfo_Reference#SkAlphaType' > and< / a > < a href = 'undocumented#SkColorSpace' > SkColorSpace< / a > < a href = 'undocumented#SkColorSpace' > are< / a > < a href = 'undocumented#SkColorSpace' > not< / a > < a href = 'undocumented#SkColorSpace' > equivalent< / a > .
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### Parameters
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< table > < tr > < td > < a name = 'SkImageInfo_notequal1_operator_other' > < code > < strong > other< / strong > < / code > < / a > < / td >
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< td > < a href = 'SkImageInfo_Reference#SkImageInfo' > SkImageInfo< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > to< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > compare< / a > < / td >
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< / tr >
< / table >
### Return Value
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true if < a href = 'SkImageInfo_Reference#SkImageInfo' > SkImageInfo< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > is< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > not< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > equal< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > to< / a > < a href = '#SkImageInfo_notequal1_operator_other' > other< / a >
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### Example
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< div > < fiddle-embed name = "8c039fde0a476ac1aa62bf9de5d61c77" >
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#### Example Output
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~~~~
info1 != info2
info1 != info2
info1 != info2
info1 == info2
~~~~
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< / fiddle-embed > < / div >
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### See Also
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< a href = '#SkImageInfo_equal1_operator' > operator==(const SkImageInfo& other)_const< / a > < a href = 'undocumented#SkColorSpace' > SkColorSpace< / a > ::< a href = '#SkColorSpace_Equals' > Equals< / a >
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< a name = 'SkImageInfo_computeByteSize' > < / a >
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---
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< pre style = "padding: 1em 1em 1em 1em; width: 62.5em;background-color: #f0f0f0 " >
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size_t < a href = '#SkImageInfo_computeByteSize' > computeByteSize< / a > (< a href = '#SkImageInfo_computeByteSize' > size_t< / a > < a href = '#SkImageInfo_computeByteSize' > rowBytes< / a > ) < a href = '#SkImageInfo_computeByteSize' > const< / a >
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< / pre >
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Returns storage required by < a href = 'undocumented#Pixel' > pixel< / a > < a href = 'undocumented#Pixel' > array< / a > , < a href = 'undocumented#Pixel' > given< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > SkImageInfo< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > dimensions< / a > , < a href = 'SkImageInfo_Reference#SkColorType' > SkColorType< / a > ,
and < a href = '#SkImageInfo_computeByteSize_rowBytes' > rowBytes< / a > . < a href = '#SkImageInfo_computeByteSize_rowBytes' > rowBytes< / a > < a href = '#SkImageInfo_computeByteSize_rowBytes' > is< / a > < a href = '#SkImageInfo_computeByteSize_rowBytes' > assumed< / a > < a href = '#SkImageInfo_computeByteSize_rowBytes' > to< / a > < a href = '#SkImageInfo_computeByteSize_rowBytes' > be< / a > < a href = '#SkImageInfo_computeByteSize_rowBytes' > at< / a > < a href = '#SkImageInfo_computeByteSize_rowBytes' > least< / a > < a href = '#SkImageInfo_computeByteSize_rowBytes' > as< / a > < a href = '#SkImageInfo_computeByteSize_rowBytes' > large< / a > < a href = '#SkImageInfo_computeByteSize_rowBytes' > as< / a > < a href = '#SkImageInfo_minRowBytes' > minRowBytes< / a > ().
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Returns zero if height is zero.
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Returns SIZE_MAX if answer exceeds the range of size_t.
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### Parameters
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< table > < tr > < td > < a name = 'SkImageInfo_computeByteSize_rowBytes' > < code > < strong > rowBytes< / strong > < / code > < / a > < / td >
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< td > < a href = 'undocumented#Size' > size< / a > < a href = 'undocumented#Size' > of< / a > < a href = 'undocumented#Pixel' > pixel< / a > < a href = 'undocumented#Pixel' > row< / a > < a href = 'undocumented#Pixel' > or< / a > < a href = 'undocumented#Pixel' > larger< / a > < / td >
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< / tr >
< / table >
### Return Value
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memory required by < a href = 'undocumented#Pixel' > pixel< / a > < a href = 'undocumented#Pixel' > buffer< / a >
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### Example
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< div > < fiddle-embed name = "9def507d2295f7051effd0c83bb04436" > < / fiddle-embed > < / div >
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### See Also
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< a href = '#SkImageInfo_computeMinByteSize' > computeMinByteSize< / a > < a href = '#SkImageInfo_validRowBytes' > validRowBytes< / a >
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< a name = 'SkImageInfo_computeMinByteSize' > < / a >
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---
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< pre style = "padding: 1em 1em 1em 1em; width: 62.5em;background-color: #f0f0f0 " >
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size_t < a href = '#SkImageInfo_computeMinByteSize' > computeMinByteSize< / a > () < a href = '#SkImageInfo_computeMinByteSize' > const< / a >
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< / pre >
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Returns storage required by < a href = 'undocumented#Pixel' > pixel< / a > < a href = 'undocumented#Pixel' > array< / a > , < a href = 'undocumented#Pixel' > given< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > SkImageInfo< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > dimensions< / a > , < a href = 'SkImageInfo_Reference#SkImageInfo' > and< / a >
< a href = 'SkImageInfo_Reference#SkColorType' > SkColorType< / a > . < a href = 'SkImageInfo_Reference#SkColorType' > Uses< / a > < a href = '#SkImageInfo_minRowBytes' > minRowBytes< / a > () < a href = '#SkImageInfo_minRowBytes' > to< / a > < a href = '#SkImageInfo_minRowBytes' > compute< / a > < a href = '#SkImageInfo_minRowBytes' > bytes< / a > < a href = '#SkImageInfo_minRowBytes' > for< / a > < a href = 'undocumented#Pixel' > pixel< / a > < a href = 'undocumented#Pixel' > row< / a > .
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Returns zero if height is zero.
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Returns SIZE_MAX if answer exceeds the range of size_t.
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### Return Value
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least memory required by < a href = 'undocumented#Pixel' > pixel< / a > < a href = 'undocumented#Pixel' > buffer< / a >
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### Example
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< div > < fiddle-embed name = "fc18640fdde437cb35338aed7c68d399" > < / fiddle-embed > < / div >
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### See Also
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< a href = '#SkImageInfo_computeByteSize' > computeByteSize< / a > < a href = '#SkImageInfo_validRowBytes' > validRowBytes< / a >
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< a name = 'SkImageInfo_ByteSizeOverflowed' > < / a >
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---
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< pre style = "padding: 1em 1em 1em 1em; width: 62.5em;background-color: #f0f0f0 " >
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static bool < a href = '#SkImageInfo_ByteSizeOverflowed' > ByteSizeOverflowed< / a > (< a href = '#SkImageInfo_ByteSizeOverflowed' > size_t< / a > < a href = '#SkImageInfo_ByteSizeOverflowed' > byteSize< / a > )
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< / pre >
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Returns true if < a href = '#SkImageInfo_ByteSizeOverflowed_byteSize' > byteSize< / a > < a href = '#SkImageInfo_ByteSizeOverflowed_byteSize' > equals< / a > < a href = '#SkImageInfo_ByteSizeOverflowed_byteSize' > SIZE_MAX< / a > . < a href = '#SkImageInfo_computeByteSize' > computeByteSize< / a > () < a href = '#SkImageInfo_computeByteSize' > and< / a >
< a href = '#SkImageInfo_computeMinByteSize' > computeMinByteSize< / a > () < a href = '#SkImageInfo_computeMinByteSize' > return< / a > < a href = '#SkImageInfo_computeMinByteSize' > SIZE_MAX< / a > < a href = '#SkImageInfo_computeMinByteSize' > if< / a > < a href = '#SkImageInfo_computeMinByteSize' > size_t< / a > < a href = '#SkImageInfo_computeMinByteSize' > can< / a > < a href = '#SkImageInfo_computeMinByteSize' > not< / a > < a href = '#SkImageInfo_computeMinByteSize' > hold< / a > < a href = '#SkImageInfo_computeMinByteSize' > buffer< / a > < a href = 'undocumented#Size' > size< / a > .
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### Parameters
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< table > < tr > < td > < a name = 'SkImageInfo_ByteSizeOverflowed_byteSize' > < code > < strong > byteSize< / strong > < / code > < / a > < / td >
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< td > result of < a href = '#SkImageInfo_computeByteSize' > computeByteSize< / a > () < a href = '#SkImageInfo_computeByteSize' > or< / a > < a href = '#SkImageInfo_computeMinByteSize' > computeMinByteSize< / a > ()< / td >
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< / tr >
< / table >
### Return Value
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true if < a href = '#SkImageInfo_computeByteSize' > computeByteSize< / a > () < a href = '#SkImageInfo_computeByteSize' > or< / a > < a href = '#SkImageInfo_computeMinByteSize' > computeMinByteSize< / a > () < a href = '#SkImageInfo_computeMinByteSize' > result< / a > < a href = '#SkImageInfo_computeMinByteSize' > exceeds< / a > < a href = '#SkImageInfo_computeMinByteSize' > size_t< / a >
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### Example
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< div > < fiddle-embed name = "6a63dfdd62ab77ff57783af8c33d7b78" >
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#### Example Output
~~~~
rowBytes:100000000 size:99999999900000008 overflowed:false
rowBytes:1000000000 size:999999999000000008 overflowed:false
rowBytes:10000000000 size:9999999990000000008 overflowed:false
rowBytes:100000000000 size:18446744073709551615 overflowed:true
rowBytes:1000000000000 size:18446744073709551615 overflowed:true
~~~~
< / fiddle-embed > < / div >
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### See Also
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< a href = '#SkImageInfo_computeByteSize' > computeByteSize< / a > < a href = '#SkImageInfo_computeMinByteSize' > computeMinByteSize< / a > < a href = '#SkImageInfo_validRowBytes' > validRowBytes< / a >
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< a name = 'SkImageInfo_validRowBytes' > < / a >
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---
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< pre style = "padding: 1em 1em 1em 1em; width: 62.5em;background-color: #f0f0f0 " >
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bool < a href = '#SkImageInfo_validRowBytes' > validRowBytes< / a > (< a href = '#SkImageInfo_validRowBytes' > size_t< / a > < a href = '#SkImageInfo_validRowBytes' > rowBytes< / a > ) < a href = '#SkImageInfo_validRowBytes' > const< / a >
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< / pre >
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Returns true if < a href = '#SkImageInfo_validRowBytes_rowBytes' > rowBytes< / a > < a href = '#SkImageInfo_validRowBytes_rowBytes' > is< / a > < a href = '#SkImageInfo_validRowBytes_rowBytes' > smaller< / a > < a href = '#SkImageInfo_validRowBytes_rowBytes' > than< / a > < a href = '#SkImageInfo_validRowBytes_rowBytes' > width< / a > < a href = '#SkImageInfo_validRowBytes_rowBytes' > times< / a > < a href = 'undocumented#Pixel' > pixel< / a > < a href = 'undocumented#Size' > size< / a > .
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### Parameters
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< table > < tr > < td > < a name = 'SkImageInfo_validRowBytes_rowBytes' > < code > < strong > rowBytes< / strong > < / code > < / a > < / td >
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< td > < a href = 'undocumented#Size' > size< / a > < a href = 'undocumented#Size' > of< / a > < a href = 'undocumented#Pixel' > pixel< / a > < a href = 'undocumented#Pixel' > row< / a > < a href = 'undocumented#Pixel' > or< / a > < a href = 'undocumented#Pixel' > larger< / a > < / td >
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< / tr >
< / table >
### Return Value
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true if < a href = '#SkImageInfo_validRowBytes_rowBytes' > rowBytes< / a > < a href = '#SkImageInfo_validRowBytes_rowBytes' > is< / a > < a href = '#SkImageInfo_validRowBytes_rowBytes' > large< / a > < a href = '#SkImageInfo_validRowBytes_rowBytes' > enough< / a > < a href = '#SkImageInfo_validRowBytes_rowBytes' > to< / a > < a href = '#SkImageInfo_validRowBytes_rowBytes' > contain< / a > < a href = 'undocumented#Pixel' > pixel< / a > < a href = 'undocumented#Pixel' > row< / a >
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### Example
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< div > < fiddle-embed name = "c6b0f6a3f493cb08d9abcdefe12de245" >
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#### Example Output
~~~~
validRowBytes(60): false
validRowBytes(64): true
validRowBytes(68): true
~~~~
< / fiddle-embed > < / div >
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### See Also
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< a href = '#SkImageInfo_ByteSizeOverflowed' > ByteSizeOverflowed< / a > < a href = '#SkImageInfo_computeByteSize' > computeByteSize< / a > < a href = '#SkImageInfo_computeMinByteSize' > computeMinByteSize< / a >
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2018-05-16 11:07:07 +00:00
< a name = 'SkImageInfo_reset' > < / a >
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---
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< pre style = "padding: 1em 1em 1em 1em; width: 62.5em;background-color: #f0f0f0 " >
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void < a href = '#SkImageInfo_reset' > reset()< / a >
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< / pre >
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Creates an empty < a href = 'SkImageInfo_Reference#SkImageInfo' > SkImageInfo< / a > < a href = 'SkImageInfo_Reference#SkImageInfo' > with< / a > < a href = 'SkImageInfo_Reference#kUnknown_SkColorType' > kUnknown_SkColorType< / a > , < a href = 'SkImageInfo_Reference#kUnknown_SkAlphaType' > kUnknown_SkAlphaType< / a > ,
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a width and height of zero, and no < a href = 'undocumented#SkColorSpace' > SkColorSpace< / a > .
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### Example
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< div > < fiddle-embed name = "ab7e73786805c936de386b6c1ebe1f13" >
#### Example Output
~~~~
info == copy
info != reset copy
SkImageInfo() == reset copy
~~~~
< / fiddle-embed > < / div >
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### See Also
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< a href = '#SkImageInfo_empty_constructor' > SkImageInfo()< / a >
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< a name = 'Utility' > < / a >
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< a name = 'SkImageInfo_validate' > < / a >
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---
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< pre style = "padding: 1em 1em 1em 1em; width: 62.5em;background-color: #f0f0f0 " >
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void < a href = '#SkImageInfo_validate' > validate()< / a > < a href = '#SkImageInfo_validate' > const< / a >
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< / pre >
### See Also
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< a href = '#SkImageInfo_validRowBytes' > validRowBytes< / a > < a href = 'SkBitmap_Reference#SkBitmap' > SkBitmap< / a > ::< a href = '#SkBitmap_validate' > validate< / a >
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