third_party/WebKit/Source/platform/fonts/shaping/ShapeResultBuffer.h - Issue 1966703002: Support includePartialGlyphs=false in Font::offsetForPositionForComplexText

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Issue 1966703002: Support includePartialGlyphs=false in Font::offsetForPositionForComplexText (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: Add comment as per eae review Created 4 years, 7 months ago

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1 // Copyright 2016 The Chromium Authors. All rights reserved.	1 // Copyright 2016 The Chromium Authors. All rights reserved.

2 // Use of this source code is governed by a BSD-style license that can be	2 // Use of this source code is governed by a BSD-style license that can be

3 // found in the LICENSE file.	3 // found in the LICENSE file.

4	4

5 #ifndef ShapeResultBuffer_h	5 #ifndef ShapeResultBuffer_h

6 #define ShapeResultBuffer_h	6 #define ShapeResultBuffer_h

7	7

8 #include "platform/fonts/shaping/ShapeResult.h"	8 #include "platform/fonts/shaping/ShapeResult.h"

9 #include "wtf/Allocator.h"	9 #include "wtf/Allocator.h"

10 #include "wtf/RefPtr.h"	10 #include "wtf/RefPtr.h"

(...skipping 16 matching lines...) Expand all Loading...
27 {	27 {

28 m_hasVerticalOffsets \|= result->hasVerticalOffsets();	28 m_hasVerticalOffsets \|= result->hasVerticalOffsets();

29 m_results.append(result);	29 m_results.append(result);

30 }	30 }

31	31

32 bool hasVerticalOffsets() const { return m_hasVerticalOffsets; }	32 bool hasVerticalOffsets() const { return m_hasVerticalOffsets; }

33	33

34 float fillGlyphBuffer(GlyphBuffer*, const TextRun&, unsigned from, unsigned to) const;	34 float fillGlyphBuffer(GlyphBuffer*, const TextRun&, unsigned from, unsigned to) const;

35 float fillGlyphBufferForTextEmphasis(GlyphBuffer*, const TextRun&,	35 float fillGlyphBufferForTextEmphasis(GlyphBuffer*, const TextRun&,

36 const GlyphData* emphasisData, unsigned from, unsigned to) const;	36 const GlyphData* emphasisData, unsigned from, unsigned to) const;

37 int offsetForPosition(const TextRun&, float targetX) const;	37 int offsetForPosition(const TextRun&, float targetX, bool includePartialGlyp hs) const;

38 CharacterRange getCharacterRange(TextDirection, float totalWidth,	38 CharacterRange getCharacterRange(TextDirection, float totalWidth,

39 unsigned from, unsigned to) const;	39 unsigned from, unsigned to) const;

40 Vector<CharacterRange> individualCharacterRanges(TextDirection,	40 Vector<CharacterRange> individualCharacterRanges(TextDirection,

41 float totalWidth) const;	41 float totalWidth) const;

42	42

43 private:	43 private:

44 float fillFastHorizontalGlyphBuffer(GlyphBuffer*, TextDirection) const;	44 float fillFastHorizontalGlyphBuffer(GlyphBuffer*, TextDirection) const;

45	45

46 template<TextDirection>	46 template<TextDirection>

47 static float fillGlyphBufferForRun(GlyphBuffer, const ShapeResult::RunInfo ,	47 static float fillGlyphBufferForRun(GlyphBuffer, const ShapeResult::RunInfo ,

48 float initialAdvance, unsigned from, unsigned to, unsigned runOffset);	48 float initialAdvance, unsigned from, unsigned to, unsigned runOffset);

49 static float fillGlyphBufferForTextEmphasisRun(GlyphBuffer, const ShapeResu lt::RunInfo,	49 static float fillGlyphBufferForTextEmphasisRun(GlyphBuffer, const ShapeResu lt::RunInfo,

50 const TextRun&, const GlyphData*, float initialAdvance, unsigned from, u nsigned to,	50 const TextRun&, const GlyphData*, float initialAdvance, unsigned from, u nsigned to,

51 unsigned runOffset);	51 unsigned runOffset);

52	52

53 static void addRunInfoRanges(const ShapeResult::RunInfo&, float offset,	53 static void addRunInfoRanges(const ShapeResult::RunInfo&, float offset,

54 Vector<CharacterRange>&);	54 Vector<CharacterRange>&);

55	55

56 // Empirically, cases where we get more than 50 ShapeResults are extremely r are.	56 // Empirically, cases where we get more than 50 ShapeResults are extremely r are.

57 Vector<RefPtr<const ShapeResult>, 64>m_results;	57 Vector<RefPtr<const ShapeResult>, 64>m_results;

58 bool m_hasVerticalOffsets;	58 bool m_hasVerticalOffsets;

59 };	59 };

60	60

61 } // namespace blink	61 } // namespace blink

62	62

63 #endif // ShapeResultBuffer_h	63 #endif // ShapeResultBuffer_h

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