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generated SkCanvas.h

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SkCanvas.h generated from docs/SkCanvas.bmh using bookmaker.

Also added corrections to SkPaint.h, and generated SkPath.h.

Once these are functionally correct (e.g., they don't break
anything) I plan to check them in -- feel free to continue
to review them before and after the check in event.

R=brianosman@google.com
TBR=reed@google.com
Bug: skia:6898
Change-Id: I6d01e9eee422304e5ab871b3870a7ed710efd645
Reviewed-on: https://skia-review.googlesource.com/30460
Commit-Queue: Cary Clark <caryclark@skia.org>
Reviewed-by: Cary Clark <caryclark@skia.org>
Reviewed-by: Yuqian Li <liyuqian@google.com>
This commit is contained in:
Cary Clark 2017-09-01 13:49:54 -04:00 committed by Skia Commit-Bot
parent e040384627
commit b7da7239f7
3 changed files with 2931 additions and 1368 deletions
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2474
include/core/SkCanvas.h
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101
include/core/SkPaint.h
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@ -57,7 +57,8 @@ class SkTypeface;
The objects contained by SkPaint are opaque, and cannot be edited outside of the SkPaint
to affect it. The implementation is free to defer computations associated with the
SkPaint, or ignore them altogether. For instance, some GPU implementations draw all
SkPath geometries with anti-aliasing, regardless of SkPaint::kAntiAlias_Flag setting.
SkPath geometries with anti-aliasing, regardless of how SkPaint::kAntiAlias_Flag
is set in SkPaint.
SkPaint describes a single color, a single font, a single image quality, and so on.
Multiple colors are drawn either by using multiple paints or with objects like
@ -74,7 +75,8 @@ public:
/** Makes a shallow copy of SkPaint. SkTypeface, SkPathEffect, SkShader,
SkMaskFilter, SkColorFilter, SkRasterizer, SkDrawLooper, and SkImageFilter are shared
between the original paint and the copy. These objects' SkRefCnt are increased.
between the original paint and the copy. Objects containing SkRefCnt increment
their references by one.
The referenced objects SkPathEffect, SkShader, SkMaskFilter, SkColorFilter, SkRasterizer,
SkDrawLooper, and SkImageFilter cannot be modified after they are created.
@ -97,16 +99,16 @@ public:
/** Decreases SkPaint SkRefCnt of owned objects: SkTypeface, SkPathEffect, SkShader,
SkMaskFilter, SkColorFilter, SkRasterizer, SkDrawLooper, and SkImageFilter. If the
objects' reference count goes to zero, they are deleted.
objects containing SkRefCnt go to zero, they are deleted.
*/
~SkPaint();
/** Makes a shallow copy of SkPaint. SkTypeface, SkPathEffect, SkShader,
SkMaskFilter, SkColorFilter, SkRasterizer, SkDrawLooper, and SkImageFilter are shared
between the original paint and the copy. The objects' SkRefCnt are in the
between the original paint and the copy. Objects containing SkRefCnt in the
prior destination are decreased by one, and the referenced objects are deleted if the
resulting count is zero. The objects' SkRefCnt in the parameter paint are increased
by one. paint is unmodified.
resulting count is zero. Objects containing SkRefCnt in the parameter paint
are increased by one. paint is unmodified.
@param paint original to copy
@return content of paint
@ -114,9 +116,9 @@ public:
SkPaint& operator=(const SkPaint& paint);
/** Moves the paint to avoid incrementing the reference counts
of objects referenced by the paint parameter. The objects' SkRefCnt are in the
prior destination are decreased by one, and the referenced objects are deleted if the
resulting count is zero.
of objects referenced by the paint parameter. Objects containing SkRefCnt in the
prior destination are decreased by one; those objects are deleted if the resulting count
is zero.
After the call, paint is undefined, and can be safely destructed.
@ -174,7 +176,7 @@ public:
SkReadBuffer class is not public, so unflatten() cannot be meaningfully called
by the client.
@param buffer serialized data to unflatten
@param buffer serialized data describing SkPaint content
*/
void unflatten(SkReadBuffer& buffer);
@ -459,7 +461,7 @@ public:
return SkToBool(this->getFlags() & kFakeBoldText_Flag);
}
/** Use increased stroke width when creating glyph bitmaps to approximate bolding.
/** Use increased stroke width when creating glyph bitmaps to approximate a bold typeface.
Sets kFakeBoldText_Flag if fakeBoldText is true.
Clears kFakeBoldText_Flag if fakeBoldText is false.
@ -526,9 +528,8 @@ public:
kFill_Style,
/** Set to stroke geometry.
Applies to SkRect, SkRegion, SkRRect, arcs, circles, ovals,
SkPath, and text.
Arcs, lines, SkPoint, and SkPoint arrays are always drawn as if kStroke_Style is set,
Applies to SkRect, SkRegion, SkRRect, arcs, circles, ovals, SkPath, and text.
Arcs, lines, and SkPoint, are always drawn as if kStroke_Style is set,
and ignore the set Style.
The stroke construction is unaffected by the FillType.
*/
@ -571,7 +572,7 @@ public:
SkColor getColor() const { return fColor; }
/** Sets alpha and RGB used when stroking and filling. The color is a 32-bit value,
unpremutiplied, packing 8-bit components for alpha, red, blue, and green.
unpremultiplied, packing 8-bit components for alpha, red, blue, and green.
@param color Unpremultiplied ARGB
*/
@ -579,7 +580,7 @@ public:
/** Retrieves alpha from the color used when stroking and filling.
@return alpha ranging from zero, fully transparent, to 255, fully opaque
@return Alpha ranging from zero, fully transparent, to 255, fully opaque
*/
uint8_t getAlpha() const { return SkToU8(SkColorGetA(fColor)); }
@ -589,18 +590,17 @@ public:
a set to zero makes color fully transparent; a set to 255 makes color
fully opaque.
@param a alpha component of color
@param a Alpha component of color
*/
void setAlpha(U8CPU a);
/** Sets color used when drawing solid fills. The color components range from 0 to 255.
The color is unpremultiplied;
alpha sets the transparency independent of RGB.
The color is unpremultiplied; alpha sets the transparency independent of RGB.
@param a amount of alpha, from fully transparent (0) to fully opaque (255)
@param r amount of red, from no red (0) to full red (255)
@param g amount of green, from no green (0) to full green (255)
@param b amount of blue, from no blue (0) to full blue (255)
@param a amount of color alpha, from fully transparent (0) to fully opaque (255)
@param r amount of color rgb red, from no red (0) to full red (255)
@param g amount of color rgb green, from no green (0) to full green (255)
@param b amount of color rgb blue, from no blue (0) to full blue (255)
*/
void setARGB(U8CPU a, U8CPU r, U8CPU g, U8CPU b);
@ -953,7 +953,7 @@ public:
Pass nullptr to clear SkDrawLooper and leave SkDrawLooper effect on drawing unaltered.
Does not alter drawLooper SkRefCnt.
@param drawLooper Iterates through drawing one or more time, altering SkPaint
@param drawLooper iterates through drawing one or more time, altering SkPaint
*/
void setDrawLooper(sk_sp<SkDrawLooper> drawLooper);
@ -1100,7 +1100,7 @@ public:
/** \struct SkPaint::FontMetrics
FontMetrics is filled out by getFontMetrics(). FontMetrics contents reflect the values
computed by font manager using SkTypeface. Values are set to zero if they are
not availble.
not available.
fUnderlineThickness and fUnderlinePosition have a bit set in fFlags if their values
are valid, since their value may be zero.
@ -1208,8 +1208,8 @@ public:
SkScalar fStrikeoutPosition;
/** If SkPaint::FontMetrics has a valid underline thickness, return true, and set
thickness to that value. If it doesn't, return false, and ignore
thickness.
thickness to that value. If the underline thickness is not valid,
return false, and ignore thickness.
@param thickness storage for underline width
@return true if font specifies underline width
@ -1223,8 +1223,8 @@ public:
}
/** If SkPaint::FontMetrics has a valid underline position, return true, and set
position to that value. If it doesn't, return false, and ignore
position.
position to that value. If the underline position is not valid,
return false, and ignore position.
@param position storage for underline position
@return true if font specifies underline position
@ -1238,8 +1238,8 @@ public:
}
/** If SkPaint::FontMetrics has a valid strikeout thickness, return true, and set
thickness to that value. If it doesn't, return false, and ignore
thickness.
thickness to that value. If the underline thickness is not valid,
return false, and ignore thickness.
@param thickness storage for strikeout width
@return true if font specifies strikeout width
@ -1253,8 +1253,8 @@ public:
}
/** If SkPaint::FontMetrics has a valid strikeout position, return true, and set
position to that value. If it doesn't, return false, and ignore
position.
position to that value. If the underline position is not valid,
return false, and ignore position.
@param position storage for strikeout position
@return true if font specifies strikeout position
@ -1309,7 +1309,7 @@ public:
If SkPaint::TextEncoding is kUTF8_TextEncoding and
text contains an invalid UTF-8 sequence, zero is returned.
@param text character stroage encoded with SkPaint::TextEncoding
@param text character storage encoded with SkPaint::TextEncoding
@param byteLength length of character storage in bytes
@param glyphs storage for glyph indices; may be nullptr
@return number of glyphs represented by text of length byteLength
@ -1325,7 +1325,7 @@ public:
returns true if all glyph indices in text are non-zero;
does not check to see if text contains valid glyph indices for SkTypeface.
Returns true if bytelength is zero.
Returns true if byteLength is zero.
@param text array of characters or glyphs
@param byteLength number of bytes in text array
@ -1350,7 +1350,7 @@ public:
Uses SkPaint::TextEncoding to count the glyphs.
Returns the same result as textToGlyphs().
@param text character stroage encoded with SkPaint::TextEncoding
@param text character storage encoded with SkPaint::TextEncoding
@param byteLength length of character storage in bytes
@return number of glyphs represented by text of length byteLength
*/
@ -1500,7 +1500,7 @@ public:
@param pos positions of each glyph
@param bounds lower and upper line parallel to the advance
@param intervals returned intersections; may be nullptr
@return The number of intersections; may be zero
@return number of intersections; may be zero
*/
int getPosTextIntercepts(const void* text, size_t length, const SkPoint pos[],
const SkScalar bounds[2], SkScalar* intervals) const;
@ -1534,13 +1534,13 @@ public:
the string.
Uses SkPaint::TextEncoding to decode text, SkTypeface to get the glyph paths,
and text size, fake bold, and SkPathEffect to scale and modify the glyph paths.
Uses pos array and SkPaint::Align to position intervals.
Uses run array and SkPaint::Align to position intervals.
Pass nullptr for intervals to determine the size of the interval array.
intervals are cached to improve performance for multiple calls.
@param blob glyphs, positions, and text paint attributes
@param blob Glyphs, positions, and text paint attributes
@param bounds lower and upper line parallel to the advance
@param intervals returned intersections; may be nullptr
@return number of intersections; may be zero
@ -1564,8 +1564,8 @@ public:
/** Returns true if SkPaint prevents all drawing;
otherwise, the SkPaint may or may not allow drawing.
Returns true if SkBlendMode and alpha are enabled,
and computed alpha is zero.
Returns true if, for example, SkBlendMode combined with color alpha computes a
new alpha of zero.
@return true if SkPaint prevents all drawing
*/
@ -1584,13 +1584,13 @@ public:
Only call this if canComputeFastBounds() returned true. This takes a
raw rectangle (the raw bounds of a shape), and adjusts it for stylistic
effects in the paint (e.g. stroking). If needed, it uses the storage
rect parameter. It returns the adjusted bounds that can then be used
parameter. It returns the adjusted bounds that can then be used
for SkCanvas::quickReject tests.
The returned rect will either be orig or storage, thus the caller
The returned SkRect will either be orig or storage, thus the caller
should not rely on storage being set to the result, but should always
use the retured value. It is legal for orig and storage to be the same
rect.
use the returned value. It is legal for orig and storage to be the same
SkRect.
e.g.
if (paint.canComputeFastBounds()) {
SkRect r, storage;
@ -1635,8 +1635,9 @@ public:
}
/** (to be made private)
Take the style explicitly, so the caller can force us to be stroked
without having to make a copy of the paint just to change that field.
Computes the bounds, overriding the SkPaint SkPaint::Style. This can be used to
account for additional width required by stroking orig, without
altering SkPaint::Style set to fill.
@param orig geometry modified by SkPaint when drawn
@param storage computed bounds of geometry
@ -1647,9 +1648,11 @@ public:
Style style) const;
/** macro expands to: void toString(SkString* str) const;
Converts SkPaint to machine parsable form in developer mode.
Creates string representation of SkPaint. The representation is read by
internal debugging tools. The interface and implementation may be
suppressed by defining SK_IGNORE_TO_STRING.
@param str storage for string containing parsable SkPaint
@param str storage for string representation of SkPaint
*/
SK_TO_STRING_NONVIRT()

1724
include/core/SkPath.h
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