<ahref="#Image">Image</a> may be created from <ahref="SkBitmap_Reference#Bitmap">Bitmap</a>, <ahref="SkPixmap_Reference#Pixmap">Pixmap</a>, <ahref="SkSurface_Reference#Surface">Surface</a>, <ahref="undocumented#Picture">Picture</a>, encoded streams,
| <ahref="#SkImage_MakeBackendTextureFromSkImage">MakeBackendTextureFromSkImage</a> | creates <ahref="undocumented#GPU_Texture">GPU Texture</a> from <ahref="#Image">Image</a> |
| <ahref="#SkImage_MakeCrossContextFromEncoded">MakeCrossContextFromEncoded</a> | creates <ahref="#Image">Image</a> from encoded data, and uploads to GPU |
| <ahref="#SkImage_MakeCrossContextFromPixmap">MakeCrossContextFromPixmap</a> | creates <ahref="#Image">Image</a> from <ahref="SkPixmap_Reference#Pixmap">Pixmap</a>, and uploads to GPU |
| <ahref="#SkImage_MakeFromAHardwareBuffer">MakeFromAHardwareBuffer</a> | creates <ahref="#Image">Image</a> from Android hardware buffer |
| <ahref="#SkImage_MakeFromNV12TexturesCopy">MakeFromNV12TexturesCopy</a> | creates <ahref="#Image">Image</a> from <ahref="SkImageInfo_Reference#YUV_ColorSpace">YUV ColorSpace</a> data in three planes |
| <ahref="#SkImage_MakeFromPicture">MakeFromPicture</a> | creates <ahref="#Image">Image</a> from <ahref="undocumented#Picture">Picture</a> |
| <ahref="#SkImage_MakeFromRaster">MakeFromRaster</a> | creates <ahref="#Image">Image</a> from <ahref="SkPixmap_Reference#Pixmap">Pixmap</a>, with release |
| <ahref="#SkImage_MakeFromYUVTexturesCopy">MakeFromYUVTexturesCopy</a> | creates <ahref="#Image">Image</a> from <ahref="SkImageInfo_Reference#YUV_ColorSpace">YUV ColorSpace</a> data in three planes |
| <ahref="#SkImage_asLegacyBitmap">asLegacyBitmap</a> | returns as <ahref="undocumented#Raster_Bitmap">Raster Bitmap</a> |
| <ahref="#SkImage_makeColorSpace">makeColorSpace</a> | creates <ahref="#Image">Image</a> matching <ahref="undocumented#Color_Space">Color Space</a> if possible |
| <ahref="#SkImage_makeNonTextureImage">makeNonTextureImage</a> | creates <ahref="#Image">Image</a> without dependency on <ahref="undocumented#GPU_Texture">GPU Texture</a> |
| <ahref="#SkImage_makeRasterImage">makeRasterImage</a> | creates <ahref="#Image">Image</a> compatible with <ahref="undocumented#Raster_Surface">Raster Surface</a> if possible |
| <ahref="#SkImage_makeShader">makeShader</a> | creates <ahref="undocumented#Shader">Shader</a>, <ahref="SkPaint_Reference#Paint">Paint</a> element that can tile <ahref="#Image">Image</a> |
| <ahref="#SkImage_MakeBackendTextureFromSkImage">MakeBackendTextureFromSkImage</a> | creates <ahref="undocumented#GPU_Texture">GPU Texture</a> from <ahref="#Image">Image</a> |
| <ahref="#SkImage_MakeCrossContextFromEncoded">MakeCrossContextFromEncoded</a> | creates <ahref="#Image">Image</a> from encoded data, and uploads to GPU |
| <ahref="#SkImage_MakeCrossContextFromPixmap">MakeCrossContextFromPixmap</a> | creates <ahref="#Image">Image</a> from <ahref="SkPixmap_Reference#Pixmap">Pixmap</a>, and uploads to GPU |
| <ahref="#SkImage_MakeFromAHardwareBuffer">MakeFromAHardwareBuffer</a> | creates <ahref="#Image">Image</a> from Android hardware buffer |
| <ahref="#SkImage_MakeFromNV12TexturesCopy">MakeFromNV12TexturesCopy</a> | creates <ahref="#Image">Image</a> from <ahref="SkImageInfo_Reference#YUV_ColorSpace">YUV ColorSpace</a> data in three planes |
| <ahref="#SkImage_MakeFromPicture">MakeFromPicture</a> | creates <ahref="#Image">Image</a> from <ahref="undocumented#Picture">Picture</a> |
| <ahref="#SkImage_MakeFromRaster">MakeFromRaster</a> | creates <ahref="#Image">Image</a> from <ahref="SkPixmap_Reference#Pixmap">Pixmap</a>, with release |
| <ahref="#SkImage_MakeFromYUVTexturesCopy">MakeFromYUVTexturesCopy</a> | creates <ahref="#Image">Image</a> from <ahref="SkImageInfo_Reference#YUV_ColorSpace">YUV ColorSpace</a> data in three planes |
| <ahref="#SkImage_isOpaque">isOpaque</a> | returns if <ahref="SkImageInfo_Reference#Alpha_Type">Alpha Type</a> is <ahref="SkImageInfo_Reference#kOpaque_SkAlphaType">kOpaque_SkAlphaType</a> |
| <ahref="#SkImage_isTextureBacked">isTextureBacked</a> | returns if <ahref="#Image">Image</a> was created from <ahref="undocumented#GPU_Texture">GPU Texture</a> |
| <ahref="#SkImage_isValid">isValid</a> | returns if <ahref="#Image">Image</a> can draw to <ahref="undocumented#Raster_Surface">Raster Surface</a> or <ahref="undocumented#GPU_Context">GPU Context</a> |
| <ahref="#SkImage_makeColorSpace">makeColorSpace</a> | creates <ahref="#Image">Image</a> matching <ahref="undocumented#Color_Space">Color Space</a> if possible |
| <ahref="#SkImage_makeNonTextureImage">makeNonTextureImage</a> | creates <ahref="#Image">Image</a> without dependency on <ahref="undocumented#GPU_Texture">GPU Texture</a> |
| <ahref="#SkImage_makeRasterImage">makeRasterImage</a> | creates <ahref="#Image">Image</a> compatible with <ahref="undocumented#Raster_Surface">Raster Surface</a> if possible |
| <ahref="#SkImage_makeShader">makeShader</a> | creates <ahref="undocumented#Shader">Shader</a>, <ahref="SkPaint_Reference#Paint">Paint</a> element that can tile <ahref="#Image">Image</a> |
| <ahref="#SkImage_makeSubset">makeSubset</a> | creates <ahref="#Image">Image</a> containing part of original |
| <ahref="#SkImage_makeTextureImage">makeTextureImage</a> | creates <ahref="#Image">Image</a> matching <ahref="undocumented#Color_Space">Color Space</a> if possible |
Creates <ahref="#Image">Image</a> from <ahref="SkPixmap_Reference#Pixmap">Pixmap</a> and copy of pixels. Since pixels are copied, <ahref="SkPixmap_Reference#Pixmap">Pixmap</a>
pixels may be modified or deleted without affecting <ahref="#Image">Image</a>.
<ahref="#Image">Image</a> is returned if <ahref="SkPixmap_Reference#Pixmap">Pixmap</a> is valid. Valid <ahref="SkPixmap_Reference#Pixmap">Pixmap</a> parameters include:
<ahref="SkImageInfo_Reference#Color_Type">Color Type</a> and <ahref="SkImageInfo_Reference#Alpha_Type">Alpha Type</a> are valid, and <ahref="SkImageInfo_Reference#Color_Type">Color Type</a> is not <ahref="SkImageInfo_Reference#kUnknown_SkColorType">kUnknown_SkColorType</a>;
<div><fiddle-embedname="513afec5795a9504ebf6af5373d16b6b"><div>Draw a five by five bitmap, and draw a copy in an <ahref="#Image">Image</a>. Editing the <ahref="#SkImage_MakeRasterCopy_pixmap">pixmap</a>
alters the bitmap draw, but does not alter the <ahref="#Image">Image</a> draw since the <ahref="#Image">Image</a>
<ahref="#Image">Image</a> is returned if <ahref="SkImageInfo_Reference#Image_Info">Image Info</a> is valid. Valid <ahref="SkImageInfo_Reference#Image_Info">Image Info</a> parameters include:
<ahref="SkImageInfo_Reference#Color_Type">Color Type</a> and <ahref="SkImageInfo_Reference#Alpha_Type">Alpha Type</a> are valid, and <ahref="SkImageInfo_Reference#Color_Type">Color Type</a> is not <ahref="SkImageInfo_Reference#kUnknown_SkColorType">kUnknown_SkColorType</a>;
Creates <ahref="#Image">Image</a> from <ahref="#SkImage_MakeFromRaster_pixmap">pixmap</a>, sharing <ahref="SkPixmap_Reference#Pixmap">Pixmap</a> pixels. <ahref="#Pixels">Pixels</a> must remain valid and
unchanged until <ahref="#SkImage_MakeFromRaster_rasterReleaseProc">rasterReleaseProc</a> is called. <ahref="#SkImage_MakeFromRaster_rasterReleaseProc">rasterReleaseProc</a> is passed
<ahref="#SkImage_MakeFromRaster_releaseContext">releaseContext</a> when <ahref="#Image">Image</a> is deleted or no longer refers to <ahref="#SkImage_MakeFromRaster_pixmap">pixmap</a> pixels.
Pass nullptr for <ahref="#SkImage_MakeFromRaster_rasterReleaseProc">rasterReleaseProc</a> to share <ahref="SkPixmap_Reference#Pixmap">Pixmap</a> without requiring a callback
when <ahref="#Image">Image</a> is released. Pass nullptr for <ahref="#SkImage_MakeFromRaster_releaseContext">releaseContext</a> if <ahref="#SkImage_MakeFromRaster_rasterReleaseProc">rasterReleaseProc</a>
<ahref="#Image">Image</a> is returned if <ahref="#SkImage_MakeFromRaster_pixmap">pixmap</a> is valid. Valid <ahref="SkPixmap_Reference#Pixmap">Pixmap</a> parameters include:
<ahref="SkImageInfo_Reference#Color_Type">Color Type</a> and <ahref="SkImageInfo_Reference#Alpha_Type">Alpha Type</a> are valid, and <ahref="SkImageInfo_Reference#Color_Type">Color Type</a> is not <ahref="SkImageInfo_Reference#kUnknown_SkColorType">kUnknown_SkColorType</a>;
Creates <ahref="#Image">Image</a> from <ahref="#SkImage_MakeFromBitmap_bitmap">bitmap</a>, sharing or copying <ahref="#SkImage_MakeFromBitmap_bitmap">bitmap</a> pixels. If the <ahref="#SkImage_MakeFromBitmap_bitmap">bitmap</a>
is marked immutable, and its pixel memory is shareable, it may be shared
instead of copied.
<ahref="#Image">Image</a> is returned if <ahref="#SkImage_MakeFromBitmap_bitmap">bitmap</a> is valid. Valid <ahref="SkBitmap_Reference#Bitmap">Bitmap</a> parameters include:
<ahref="SkImageInfo_Reference#Color_Type">Color Type</a> and <ahref="SkImageInfo_Reference#Alpha_Type">Alpha Type</a> are valid, and <ahref="SkImageInfo_Reference#Color_Type">Color Type</a> is not <ahref="SkImageInfo_Reference#kUnknown_SkColorType">kUnknown_SkColorType</a>;
<div><fiddle-embedname="cf2cf53321e4e6a77c2841bfbc0ef707"><div>The first <ahref="SkBitmap_Reference#Bitmap">Bitmap</a> is shared; writing to the pixel memory changes the first
<ahref="#Image">Image</a>.
The second <ahref="SkBitmap_Reference#Bitmap">Bitmap</a> is marked immutable, and is copied; writing to the pixel
Creates <ahref="#Image">Image</a> from data returned by <ahref="#SkImage_MakeFromGenerator_imageGenerator">imageGenerator</a>. Generated data is owned by <ahref="#Image">Image</a> and may not
<ahref="#SkImage_MakeFromGenerator_imageGenerator">imageGenerator</a> may wrap <ahref="undocumented#Picture">Picture</a> data, codec data, or custom data.
Creates <ahref="#Image">Image</a> from <ahref="undocumented#GPU_Texture">GPU Texture</a> associated with <ahref="#SkImage_MakeFromTexture_context">context</a>. Caller is responsible for
one of: <ahref="SkImageInfo_Reference#kUnknown_SkColorType">kUnknown_SkColorType</a>, <ahref="SkImageInfo_Reference#kAlpha_8_SkColorType">kAlpha_8_SkColorType</a>, <ahref="SkImageInfo_Reference#kRGB_565_SkColorType">kRGB_565_SkColorType</a>,
one of: <ahref="SkImageInfo_Reference#kUnknown_SkAlphaType">kUnknown_SkAlphaType</a>, <ahref="SkImageInfo_Reference#kOpaque_SkAlphaType">kOpaque_SkAlphaType</a>, <ahref="SkImageInfo_Reference#kPremul_SkAlphaType">kPremul_SkAlphaType</a>,
<div><fiddle-embedname="fdc498de45b53569743ec13012bf476c"gpu="true"><div>A back-end texture has been created and uploaded to the GPU outside of this example.
Creates <ahref="#Image">Image</a> from <ahref="undocumented#GPU_Texture">GPU Texture</a> associated with <ahref="#SkImage_MakeFromTexture_2_context">context</a>. <ahref="undocumented#GPU_Texture">GPU Texture</a> must stay
valid and unchanged until <ahref="#SkImage_MakeFromTexture_2_textureReleaseProc">textureReleaseProc</a> is called. <ahref="#SkImage_MakeFromTexture_2_textureReleaseProc">textureReleaseProc</a> is
passed <ahref="#SkImage_MakeFromTexture_2_releaseContext">releaseContext</a> when <ahref="#Image">Image</a> is deleted or no longer refers to texture.
one of: <ahref="SkImageInfo_Reference#kUnknown_SkColorType">kUnknown_SkColorType</a>, <ahref="SkImageInfo_Reference#kAlpha_8_SkColorType">kAlpha_8_SkColorType</a>, <ahref="SkImageInfo_Reference#kRGB_565_SkColorType">kRGB_565_SkColorType</a>,
one of: <ahref="SkImageInfo_Reference#kUnknown_SkAlphaType">kUnknown_SkAlphaType</a>, <ahref="SkImageInfo_Reference#kOpaque_SkAlphaType">kOpaque_SkAlphaType</a>, <ahref="SkImageInfo_Reference#kPremul_SkAlphaType">kPremul_SkAlphaType</a>,
Creates <ahref="#Image">Image</a> from encoded <ahref="#SkImage_MakeCrossContextFromEncoded_data">data</a>. <ahref="#Image">Image</a> is uploaded to GPU back-end using <ahref="#SkImage_MakeCrossContextFromEncoded_context">context</a>.
<ahref="undocumented#Texture">Texture</a> decoded from <ahref="#SkImage_MakeCrossContextFromEncoded_data">data</a> is uploaded to match <ahref="SkSurface_Reference#Surface">Surface</a> created with
<ahref="#SkImage_MakeCrossContextFromEncoded_dstColorSpace">dstColorSpace</a>. <ahref="undocumented#Color_Space">Color Space</a> of <ahref="#Image">Image</a> is determined by encoded <ahref="#SkImage_MakeCrossContextFromEncoded_data">data</a>.
<ahref="#Image">Image</a> is returned if format of <ahref="#SkImage_MakeCrossContextFromEncoded_data">data</a> is recognized and supported, and if <ahref="#SkImage_MakeCrossContextFromEncoded_context">context</a>
<ahref="#Image">Image</a> is returned using <ahref="#SkImage_MakeFromEncoded">MakeFromEncoded</a> if <ahref="#SkImage_MakeCrossContextFromEncoded_context">context</a> is nullptr or does not support
Creates <ahref="#Image">Image</a> from <ahref="#SkImage_MakeCrossContextFromPixmap_pixmap">pixmap</a>. <ahref="#Image">Image</a> is uploaded to GPU back-end using <ahref="#SkImage_MakeCrossContextFromPixmap_context">context</a>.
When <ahref="#Image">Image</a> is no longer referenced, <ahref="#SkImage_MakeCrossContextFromPixmap_context">context</a> releases texture memory
asynchronously.
<ahref="undocumented#Texture">Texture</a> created from <ahref="#SkImage_MakeCrossContextFromPixmap_pixmap">pixmap</a> is uploaded to match <ahref="SkSurface_Reference#Surface">Surface</a> created with
<ahref="#SkImage_MakeCrossContextFromPixmap_dstColorSpace">dstColorSpace</a>. <ahref="undocumented#Color_Space">Color Space</a> of <ahref="#Image">Image</a> is determined by <ahref="#SkImage_MakeCrossContextFromPixmap_pixmap">pixmap</a>.<ahref="#SkImage_colorSpace">colorSpace</a>.
format of data is recognized and supported, and if <ahref="#SkImage_MakeCrossContextFromPixmap_context">context</a> supports moving
resources between contexts. Otherwise, <ahref="#SkImage_MakeCrossContextFromPixmap_pixmap">pixmap</a> pixel data is copied and <ahref="#Image">Image</a>
as returned in raster format if possible; nullptr may be returned.
Creates <ahref="#Image">Image</a> from <ahref="#SkImage_MakeFromAdoptedTexture_backendTexture">backendTexture</a> associated with <ahref="#SkImage_MakeFromAdoptedTexture_context">context</a>. <ahref="#SkImage_MakeFromAdoptedTexture_backendTexture">backendTexture</a> and
<ahref="#Image">Image</a> is returned if format of <ahref="#SkImage_MakeFromAdoptedTexture_backendTexture">backendTexture</a> is recognized and supported.
one of: <ahref="SkImageInfo_Reference#kUnknown_SkColorType">kUnknown_SkColorType</a>, <ahref="SkImageInfo_Reference#kAlpha_8_SkColorType">kAlpha_8_SkColorType</a>, <ahref="SkImageInfo_Reference#kRGB_565_SkColorType">kRGB_565_SkColorType</a>,
one of: <ahref="SkImageInfo_Reference#kUnknown_SkAlphaType">kUnknown_SkAlphaType</a>, <ahref="SkImageInfo_Reference#kOpaque_SkAlphaType">kOpaque_SkAlphaType</a>, <ahref="SkImageInfo_Reference#kPremul_SkAlphaType">kPremul_SkAlphaType</a>,
Creates <ahref="#Image">Image</a> from copy of <ahref="#SkImage_MakeFromYUVTexturesCopy_yuvTextures">yuvTextures</a>, an array of textures on GPU.
<ahref="#SkImage_MakeFromYUVTexturesCopy_yuvTextures">yuvTextures</a> contain pixels for YUV planes of <ahref="#Image">Image</a>. Returned <ahref="#Image">Image</a> has the dimensions
<ahref="#SkImage_MakeFromYUVTexturesCopy_yuvTextures">yuvTextures</a>[0]. <ahref="#SkImage_MakeFromYUVTexturesCopy_yuvColorSpace">yuvColorSpace</a> describes how YUV colors convert to RGB colors.
one of: <ahref="SkImageInfo_Reference#kJPEG_SkYUVColorSpace">kJPEG_SkYUVColorSpace</a>, <ahref="SkImageInfo_Reference#kRec601_SkYUVColorSpace">kRec601_SkYUVColorSpace</a>,
one of: <ahref="SkImageInfo_Reference#kJPEG_SkYUVColorSpace">kJPEG_SkYUVColorSpace</a>, <ahref="SkImageInfo_Reference#kRec601_SkYUVColorSpace">kRec601_SkYUVColorSpace</a>,
<td><aname="SkImage_BitDepth_kF16"><code><strong>SkImage::BitDepth::kF16 </strong></code></a></td><td>1</td><td>Use 16 bits per <ahref="undocumented#ARGB">Color ARGB</a> component using half-precision floating point format.
Creates <ahref="#Image">Image</a> from <ahref="#SkImage_MakeFromPicture_picture">picture</a>. Returned <ahref="#Image">Image</a> width and height are set by dimensions.
<ahref="#Image">Image</a> draws <ahref="#SkImage_MakeFromPicture_picture">picture</a> with <ahref="#SkImage_MakeFromPicture_matrix">matrix</a> and <ahref="#SkImage_MakeFromPicture_paint">paint</a>, set to <ahref="#SkImage_MakeFromPicture_bitDepth">bitDepth</a> and <ahref="#SkImage_colorSpace">colorSpace</a>.
If <ahref="#SkImage_MakeFromPicture_matrix">matrix</a> is nullptr, draws with identity <ahref="SkMatrix_Reference#Matrix">Matrix</a>. If <ahref="#SkImage_MakeFromPicture_paint">paint</a> is nullptr, draws
one of: <ahref="SkImageInfo_Reference#kUnknown_SkAlphaType">kUnknown_SkAlphaType</a>, <ahref="SkImageInfo_Reference#kOpaque_SkAlphaType">kOpaque_SkAlphaType</a>, <ahref="SkImageInfo_Reference#kPremul_SkAlphaType">kPremul_SkAlphaType</a>,
| <ahref="#SkImage_isOpaque">isOpaque</a> | returns if <ahref="SkImageInfo_Reference#Alpha_Type">Alpha Type</a> is <ahref="SkImageInfo_Reference#kOpaque_SkAlphaType">kOpaque_SkAlphaType</a> |
| <ahref="#SkImage_isTextureBacked">isTextureBacked</a> | returns if <ahref="#Image">Image</a> was created from <ahref="undocumented#GPU_Texture">GPU Texture</a> |
| <ahref="#SkImage_isValid">isValid</a> | returns if <ahref="#Image">Image</a> can draw to <ahref="undocumented#Raster_Surface">Raster Surface</a> or <ahref="undocumented#GPU_Context">GPU Context</a> |
Returns <ahref="SkImageInfo_Reference#Alpha_Type">Alpha Type</a>, one of: <ahref="SkImageInfo_Reference#kUnknown_SkAlphaType">kUnknown_SkAlphaType</a>, <ahref="SkImageInfo_Reference#kOpaque_SkAlphaType">kOpaque_SkAlphaType</a>, <ahref="SkImageInfo_Reference#kPremul_SkAlphaType">kPremul_SkAlphaType</a>,
<ahref="SkImageInfo_Reference#kUnpremul_SkAlphaType">kUnpremul_SkAlphaType</a>.<ahref="SkImageInfo_Reference#Alpha_Type">Alpha Type</a> returned was a parameter to an <ahref="#Image">Image</a> constructor,
Creates <ahref="undocumented#Shader">Shader</a> from <ahref="#Image">Image</a>. <ahref="undocumented#Shader">Shader</a> dimensions are taken from <ahref="#Image">Image</a>. <ahref="undocumented#Shader">Shader</a> uses
<ahref="undocumented#SkShader_TileMode">SkShader::TileMode</a> rules to fill drawn area outside <ahref="#Image">Image</a>. <ahref="#SkImage_makeShader_localMatrix">localMatrix</a> permits
transforming <ahref="#Image">Image</a> before <ahref="SkCanvas_Reference#Matrix">Canvas Matrix</a> is applied.
tiling in x, one of: <ahref="undocumented#SkShader_kClamp_TileMode">SkShader::kClamp TileMode</a>, <ahref="undocumented#SkShader_kRepeat_TileMode">SkShader::kRepeat TileMode</a>,
tiling in y, one of: <ahref="undocumented#SkShader_kClamp_TileMode">SkShader::kClamp TileMode</a>, <ahref="undocumented#SkShader_kRepeat_TileMode">SkShader::kRepeat TileMode</a>,
Creates <ahref="undocumented#Shader">Shader</a> from <ahref="#Image">Image</a>. <ahref="undocumented#Shader">Shader</a> dimensions are taken from <ahref="#Image">Image</a>. <ahref="undocumented#Shader">Shader</a> uses
<ahref="undocumented#SkShader_kClamp_TileMode">SkShader::kClamp TileMode</a> to fill drawn area outside <ahref="#Image">Image</a>. <ahref="#SkImage_makeShader_2_localMatrix">localMatrix</a> permits
transforming <ahref="#Image">Image</a> before <ahref="SkCanvas_Reference#Matrix">Canvas Matrix</a> is applied.
Copies <ahref="#Image">Image</a> pixel address, row bytes, and <ahref="SkImageInfo_Reference#Image_Info">Image Info</a> to <ahref="#SkImage_peekPixels_pixmap">pixmap</a>, if address
Returns true if <ahref="#Image">Image</a> can be drawn on either <ahref="undocumented#Raster_Surface">Raster Surface</a> or <ahref="undocumented#GPU_Surface">GPU Surface</a>.
If <ahref="#SkImage_isValid_context">context</a> is nullptr, tests if <ahref="#Image">Image</a> draws on <ahref="undocumented#Raster_Surface">Raster Surface</a>;
otherwise, tests if <ahref="#Image">Image</a> draws on <ahref="undocumented#GPU_Surface">GPU Surface</a> associated with <ahref="#SkImage_isValid_context">context</a>.
<ahref="#Image">Image</a> backed by <ahref="undocumented#GPU_Texture">GPU Texture</a> may become invalid if associated <ahref="undocumented#GrContext">GrContext</a> is
invalid. <ahref="#Lazy_Image">Lazy Image</a> may be invalid and may not draw to <ahref="undocumented#Raster_Surface">Raster Surface</a> or
<ahref="undocumented#GPU_Surface">GPU Surface</a> or both.
<td><aname="SkImage_kAllow_CachingHint"><code><strong>SkImage::kAllow_CachingHint </strong></code></a></td><td>0</td><td>Allows Skia to internally cache decoded and copied pixels.
<td><aname="SkImage_kDisallow_CachingHint"><code><strong>SkImage::kDisallow_CachingHint </strong></code></a></td><td>1</td><td>Disallows Skia from internally caching decoded and copied pixels.
Copies <ahref="SkRect_Reference#Rect">Rect</a> of pixels from <ahref="#Image">Image</a> to <ahref="#SkImage_readPixels_dstPixels">dstPixels</a>. Copy starts at offset (<ahref="#SkImage_readPixels_srcX">srcX</a>, <ahref="#SkImage_readPixels_srcY">srcY</a>),
and does not exceed <ahref="#Image">Image</a> (<ahref="#SkImage_width">width</a>, <ahref="#SkImage_height">height</a>).
<td><ahref="#SkImage_readPixels_dstRowBytes">dstRowBytes</a> is less than <ahref="#SkImage_readPixels_dstInfo">dstInfo</a>.<ahref="SkImageInfo_Reference#SkImageInfo">minRowBytes</a></td></tr><tr>
<ahref="#Pixels">Pixels</a> are copied only if pixel conversion is possible. If <ahref="#Image">Image</a><ahref="SkImageInfo_Reference#Color_Type">Color Type</a> is
<ahref="SkImageInfo_Reference#kGray_8_SkColorType">kGray_8_SkColorType</a>, or <ahref="SkImageInfo_Reference#kAlpha_8_SkColorType">kAlpha_8_SkColorType</a>; <ahref="#SkImage_readPixels_dstInfo">dstInfo</a>.<ahref="#SkImage_colorType">colorType</a> must match.
If <ahref="#Image">Image</a><ahref="SkImageInfo_Reference#Color_Type">Color Type</a> is <ahref="SkImageInfo_Reference#kGray_8_SkColorType">kGray_8_SkColorType</a>, <ahref="#SkImage_readPixels_dstInfo">dstInfo</a>.<ahref="#SkImage_colorSpace">colorSpace</a> must match.
If <ahref="#Image">Image</a><ahref="SkImageInfo_Reference#Alpha_Type">Alpha Type</a> is <ahref="SkImageInfo_Reference#kOpaque_SkAlphaType">kOpaque_SkAlphaType</a>, <ahref="#SkImage_readPixels_dstInfo">dstInfo</a>.<ahref="#SkImage_alphaType">alphaType</a> must
match. If <ahref="#Image">Image</a><ahref="undocumented#Color_Space">Color Space</a> is nullptr, <ahref="#SkImage_readPixels_dstInfo">dstInfo</a>.<ahref="#SkImage_colorSpace">colorSpace</a> must match. Returns
false if pixel conversion is not possible.
<ahref="#SkImage_readPixels_srcX">srcX</a> and <ahref="#SkImage_readPixels_srcY">srcY</a> may be negative to copy only top or left of source. Returns
false if <ahref="#SkImage_width">width</a> or <ahref="#SkImage_height">height</a> is zero or negative.
If <ahref="#SkImage_readPixels_cachingHint">cachingHint</a> is <ahref="#SkImage_kAllow_CachingHint">kAllow CachingHint</a>, pixels may be retained locally.
If <ahref="#SkImage_readPixels_cachingHint">cachingHint</a> is <ahref="#SkImage_kDisallow_CachingHint">kDisallow CachingHint</a>, pixels are not added to the local cache.
Copies a <ahref="SkRect_Reference#Rect">Rect</a> of pixels from <ahref="#Image">Image</a> to <ahref="#SkImage_readPixels_2_dst">dst</a>. Copy starts at (<ahref="#SkImage_readPixels_2_srcX">srcX</a>, <ahref="#SkImage_readPixels_2_srcY">srcY</a>), and
does not exceed <ahref="#Image">Image</a> (<ahref="#SkImage_width">width</a>, <ahref="#SkImage_height">height</a>).
and row bytes of destination. <ahref="#SkImage_readPixels_2_dst">dst</a>.<ahref="SkPixmap_Reference#SkPixmap">rowBytes</a> specifics the gap from one destination
row to the next. Returns true if pixels are copied. Returns false if:
<td><ahref="#SkImage_readPixels_2_dst">dst</a>.<ahref="SkPixmap_Reference#SkPixmap">rowBytes</a> is less than <ahref="SkImageInfo_Reference#SkImageInfo_minRowBytes">SkImageInfo::minRowBytes</a></td></tr><tr>
<ahref="#Pixels">Pixels</a> are copied only if pixel conversion is possible. If <ahref="#Image">Image</a><ahref="SkImageInfo_Reference#Color_Type">Color Type</a> is
<ahref="SkImageInfo_Reference#kGray_8_SkColorType">kGray_8_SkColorType</a>, or <ahref="SkImageInfo_Reference#kAlpha_8_SkColorType">kAlpha_8_SkColorType</a>; <ahref="#SkImage_readPixels_2_dst">dst</a>.<ahref="#SkImage_colorType">colorType</a> must match.
If <ahref="#Image">Image</a><ahref="SkImageInfo_Reference#Color_Type">Color Type</a> is <ahref="SkImageInfo_Reference#kGray_8_SkColorType">kGray_8_SkColorType</a>, <ahref="#SkImage_readPixels_2_dst">dst</a>.<ahref="#SkImage_colorSpace">colorSpace</a> must match.
If <ahref="#Image">Image</a><ahref="SkImageInfo_Reference#Alpha_Type">Alpha Type</a> is <ahref="SkImageInfo_Reference#kOpaque_SkAlphaType">kOpaque_SkAlphaType</a>, <ahref="#SkImage_readPixels_2_dst">dst</a>.<ahref="#SkImage_alphaType">alphaType</a> must
match. If <ahref="#Image">Image</a><ahref="undocumented#Color_Space">Color Space</a> is nullptr, <ahref="#SkImage_readPixels_2_dst">dst</a>.<ahref="#SkImage_colorSpace">colorSpace</a> must match. Returns
false if pixel conversion is not possible.
<ahref="#SkImage_readPixels_2_srcX">srcX</a> and <ahref="#SkImage_readPixels_2_srcY">srcY</a> may be negative to copy only top or left of source. Returns
false if <ahref="#SkImage_width">width</a> or <ahref="#SkImage_height">height</a> is zero or negative.
or ifabs(srcY) >= <ahref="#Image">Image</a><ahref="#SkImage_height">height</a>.
If <ahref="#SkImage_readPixels_2_cachingHint">cachingHint</a> is <ahref="#SkImage_kAllow_CachingHint">kAllow CachingHint</a>, pixels may be retained locally.
If <ahref="#SkImage_readPixels_2_cachingHint">cachingHint</a> is <ahref="#SkImage_kDisallow_CachingHint">kDisallow CachingHint</a>, pixels are not added to the local cache.
Copies <ahref="#Image">Image</a> to <ahref="#SkImage_scalePixels_dst">dst</a>, scaling pixels to fit <ahref="#SkImage_scalePixels_dst">dst</a>.<ahref="#SkImage_width">width</a> and <ahref="#SkImage_scalePixels_dst">dst</a>.<ahref="#SkImage_height">height</a>, and
converting pixels to match <ahref="#SkImage_scalePixels_dst">dst</a>.<ahref="#SkImage_colorType">colorType</a> and <ahref="#SkImage_scalePixels_dst">dst</a>.<ahref="#SkImage_alphaType">alphaType</a>. Returns true if
pixels are copied. Returns false if <ahref="#SkImage_scalePixels_dst">dst</a>.addr() is nullptr, or <ahref="#SkImage_scalePixels_dst">dst</a>.<ahref="SkPixmap_Reference#SkPixmap">rowBytes</a> is
<ahref="#Pixels">Pixels</a> are copied only if pixel conversion is possible. If <ahref="#Image">Image</a><ahref="SkImageInfo_Reference#Color_Type">Color Type</a> is
<ahref="SkImageInfo_Reference#kGray_8_SkColorType">kGray_8_SkColorType</a>, or <ahref="SkImageInfo_Reference#kAlpha_8_SkColorType">kAlpha_8_SkColorType</a>; <ahref="#SkImage_scalePixels_dst">dst</a>.<ahref="#SkImage_colorType">colorType</a> must match.
If <ahref="#Image">Image</a><ahref="SkImageInfo_Reference#Color_Type">Color Type</a> is <ahref="SkImageInfo_Reference#kGray_8_SkColorType">kGray_8_SkColorType</a>, <ahref="#SkImage_scalePixels_dst">dst</a>.<ahref="#SkImage_colorSpace">colorSpace</a> must match.
If <ahref="#Image">Image</a><ahref="SkImageInfo_Reference#Alpha_Type">Alpha Type</a> is <ahref="SkImageInfo_Reference#kOpaque_SkAlphaType">kOpaque_SkAlphaType</a>, <ahref="#SkImage_scalePixels_dst">dst</a>.<ahref="#SkImage_alphaType">alphaType</a> must
match. If <ahref="#Image">Image</a><ahref="undocumented#Color_Space">Color Space</a> is nullptr, <ahref="#SkImage_scalePixels_dst">dst</a>.<ahref="#SkImage_colorSpace">colorSpace</a> must match. Returns
false if pixel conversion is not possible.
Scales the image, with <ahref="#SkImage_scalePixels_filterQuality">filterQuality</a>, to match <ahref="#SkImage_scalePixels_dst">dst</a>.<ahref="#SkImage_width">width</a> and <ahref="#SkImage_scalePixels_dst">dst</a>.<ahref="#SkImage_height">height</a>.
<ahref="#SkImage_scalePixels_filterQuality">filterQuality</a><ahref="undocumented#kNone_SkFilterQuality">kNone_SkFilterQuality</a> is fastest, typically implemented with
<ahref="undocumented#Nearest_Neighbor">Filter Quality Nearest Neighbor</a>. <ahref="undocumented#kLow_SkFilterQuality">kLow_SkFilterQuality</a> is typically implemented with
<ahref="undocumented#Bilerp">Filter Quality Bilerp</a>. <ahref="undocumented#kMedium_SkFilterQuality">kMedium_SkFilterQuality</a> is typically implemented with
<ahref="undocumented#Bilerp">Filter Quality Bilerp</a>, and <ahref="undocumented#MipMap">Filter Quality MipMap</a> when size is reduced.
<ahref="undocumented#kHigh_SkFilterQuality">kHigh_SkFilterQuality</a> is slowest, typically implemented with <ahref="undocumented#BiCubic">Filter Quality BiCubic</a>.
If <ahref="#SkImage_scalePixels_cachingHint">cachingHint</a> is <ahref="#SkImage_kAllow_CachingHint">kAllow CachingHint</a>, pixels may be retained locally.
If <ahref="#SkImage_scalePixels_cachingHint">cachingHint</a> is <ahref="#SkImage_kDisallow_CachingHint">kDisallow CachingHint</a>, pixels are not added to the local cache.
additionally be one of: <ahref="undocumented#SkEncodedImageFormat_kICO">SkEncodedImageFormat::kICO</a>, <ahref="undocumented#SkEncodedImageFormat_kBMP">SkEncodedImageFormat::kBMP</a>,
<ahref="#SkImage_encodeToData_quality">quality</a> is a platform and format specific metric trading off size and encoding
error. When used, <ahref="#SkImage_encodeToData_quality">quality</a> equaling 100 encodes with the least error. <ahref="#SkImage_encodeToData_quality">quality</a> may
one of: <ahref="undocumented#SkEncodedImageFormat_kJPEG">SkEncodedImageFormat::kJPEG</a>, <ahref="undocumented#SkEncodedImageFormat_kPNG">SkEncodedImageFormat::kPNG</a>,
Returns <ahref="#SkImage_makeSubset_subset">subset</a> of <ahref="#Image">Image</a>. <ahref="#SkImage_makeSubset_subset">subset</a> must be fully contained by <ahref="#Image">Image</a><ahref="#SkImage_dimensions">dimensions</a>.
The implementation may share pixels, or may copy them.
Returns nullptr if <ahref="#SkImage_makeSubset_subset">subset</a> is empty, or <ahref="#SkImage_makeSubset_subset">subset</a> is not contained by bounds, or
Returns <ahref="#Image">Image</a> backed by <ahref="undocumented#GPU_Texture">GPU Texture</a> associated with <ahref="#SkImage_makeTextureImage_context">context</a>. Returned <ahref="#Image">Image</a> is
compatible with <ahref="SkSurface_Reference#Surface">Surface</a> created with <ahref="#SkImage_makeTextureImage_dstColorSpace">dstColorSpace</a>. Returns original
<ahref="#Image">Image</a> if <ahref="#SkImage_makeTextureImage_context">context</a> and <ahref="#SkImage_makeTextureImage_dstColorSpace">dstColorSpace</a> match.
Returns nullptr if <ahref="#SkImage_makeTextureImage_context">context</a> is nullptr, or if <ahref="#Image">Image</a> was created with another
Returns <ahref="#Raster_Image">Raster Image</a> or <ahref="#Lazy_Image">Lazy Image</a>. Copies <ahref="#Image">Image</a> backed by <ahref="undocumented#GPU_Texture">GPU Texture</a> into
Returns <ahref="#Raster_Image">Raster Image</a>. Copies <ahref="#Image">Image</a> backed by <ahref="undocumented#GPU_Texture">GPU Texture</a> into CPU memory,
color, position, and size. <ahref="#SkImage_makeWithFilter_subset">subset</a> is the bounds of original <ahref="#Image">Image</a> processed
by <ahref="#SkImage_makeWithFilter_filter">filter</a>. <ahref="#SkImage_makeWithFilter_clipBounds">clipBounds</a> is the expected bounds of the filtered <ahref="#Image">Image</a>. <ahref="#SkImage_makeWithFilter_outSubset">outSubset</a>
is required storage for the actual bounds of the filtered <ahref="#Image">Image</a>. <ahref="#SkImage_makeWithFilter_offset">offset</a> is
Useful for animation of <ahref="undocumented#SkImageFilter">SkImageFilter</a> that varies size from frame to frame.
Returned <ahref="#Image">Image</a> is created larger than required by <ahref="#SkImage_makeWithFilter_filter">filter</a> so that <ahref="undocumented#GPU_Texture">GPU Texture</a>
can be reused with different sized effects. <ahref="#SkImage_makeWithFilter_outSubset">outSubset</a> describes the valid bounds
of <ahref="undocumented#GPU_Texture">GPU Texture</a> returned. <ahref="#SkImage_makeWithFilter_offset">offset</a> translates the returned <ahref="#Image">Image</a> to keep subsequent
animation frames aligned with respect to each other.
<div><fiddle-embedname="17547129251dd9607c381a3cc30cff15"gpu="true"><div>In each frame of the animation, filtered <ahref="#Image">Image</a> is drawn in a different location.
Creates a <ahref="undocumented#GrBackendTexture">GrBackendTexture</a> from the provided <ahref="#SkImage">SkImage</a>. Returns true and
stores result in <ahref="#SkImage_MakeBackendTextureFromSkImage_backendTexture">backendTexture</a> and <ahref="#SkImage_MakeBackendTextureFromSkImage_backendTextureReleaseProc">backendTextureReleaseProc</a> if
texture is created; otherwise, returns false and leaves
<ahref="#SkImage_MakeBackendTextureFromSkImage_backendTexture">backendTexture</a> and <ahref="#SkImage_MakeBackendTextureFromSkImage_backendTextureReleaseProc">backendTextureReleaseProc</a> unmodified.
Call <ahref="#SkImage_MakeBackendTextureFromSkImage_backendTextureReleaseProc">backendTextureReleaseProc</a> after deleting <ahref="#SkImage_MakeBackendTextureFromSkImage_backendTexture">backendTexture</a>.
<ahref="#SkImage_MakeBackendTextureFromSkImage_backendTextureReleaseProc">backendTextureReleaseProc</a> cleans up auxiliary data related to returned
<ahref="#SkImage_MakeBackendTextureFromSkImage_backendTexture">backendTexture</a>. The caller must delete returned <ahref="#SkImage_MakeBackendTextureFromSkImage_backendTexture">backendTexture</a> after use.
If <ahref="#Image">Image</a> is both texture backed and singly referenced, <ahref="#SkImage_MakeBackendTextureFromSkImage_image">image</a> is returned in
<ahref="#SkImage_MakeBackendTextureFromSkImage_backendTexture">backendTexture</a> without conversion or making a copy. <ahref="#Image">Image</a> is singly referenced
if its was transferred solely using std::move().
If <ahref="#Image">Image</a> is not texture backed, returns texture with <ahref="#Image">Image</a> contents.
<td><aname="SkImage_kRO_LegacyBitmapMode"><code><strong>SkImage::kRO_LegacyBitmapMode </strong></code></a></td><td>0</td><td>Returned bitmap is read-only and immutable.
Creates raster <ahref="SkBitmap_Reference#Bitmap">Bitmap</a> with same pixels as <ahref="#Image">Image</a>. If <ahref="#SkImage_asLegacyBitmap_legacyBitmapMode">legacyBitmapMode</a> is
<ahref="#SkImage_kRO_LegacyBitmapMode">kRO LegacyBitmapMode</a>, returned <ahref="#SkImage_asLegacyBitmap_bitmap">bitmap</a> is read-only and immutable.
Returns true if <ahref="SkBitmap_Reference#Bitmap">Bitmap</a> is stored in <ahref="#SkImage_asLegacyBitmap_bitmap">bitmap</a>. Returns false and resets <ahref="#SkImage_asLegacyBitmap_bitmap">bitmap</a> if
<ahref="SkBitmap_Reference#Bitmap">Bitmap</a> write did not succeed.
Creates <ahref="#Image">Image</a> in <ahref="#SkImage_makeColorSpace_target">target</a><ahref="undocumented#Color_Space">Color Space</a>.
Returns nullptr if <ahref="#Image">Image</a> could not be created.
Returns original <ahref="#Image">Image</a> if it is in <ahref="#SkImage_makeColorSpace_target">target</a><ahref="undocumented#Color_Space">Color Space</a>.
Otherwise, converts pixels from <ahref="#Image">Image</a><ahref="undocumented#Color_Space">Color Space</a> to <ahref="#SkImage_makeColorSpace_target">target</a><ahref="undocumented#Color_Space">Color Space</a>.
If <ahref="#Image">Image</a><ahref="#SkImage_colorSpace">colorSpace</a> returns nullptr, <ahref="#Image">Image</a><ahref="undocumented#Color_Space">Color Space</a> is assumed to be sRGB.
Set <ahref="#SkImage_makeColorSpace_premulBehavior">premulBehavior</a> to <ahref="undocumented#SkTransferFunctionBehavior_kRespect">SkTransferFunctionBehavior::kRespect</a> to convert <ahref="#Image">Image</a>
Set <ahref="#SkImage_makeColorSpace_premulBehavior">premulBehavior</a> to <ahref="undocumented#SkTransferFunctionBehavior_kIgnore">SkTransferFunctionBehavior::kIgnore</a> to treat <ahref="#Image">Image</a>
