src/gpu/GrStencilAndCoverTextContext.h - Issue 732693002: Drawstate on stack

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Issue 732693002: Drawstate on stack (Closed) Base URL: https://skia.googlesource.com/skia.git@real_def_gp

Patch Set: ready Created 6 years, 1 month ago

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1 /*	1 /*

2 * Copyright 2014 Google Inc.	2 * Copyright 2014 Google Inc.

3 *	3 *

4 * Use of this source code is governed by a BSD-style license that can be	4 * Use of this source code is governed by a BSD-style license that can be

5 * found in the LICENSE file.	5 * found in the LICENSE file.

6 */	6 */

7	7

8 #ifndef GrStencilAndCoverTextContext_DEFINED	8 #ifndef GrStencilAndCoverTextContext_DEFINED

9 #define GrStencilAndCoverTextContext_DEFINED	9 #define GrStencilAndCoverTextContext_DEFINED

10	10

11 #include "GrTextContext.h"	11 #include "GrTextContext.h"

12 #include "GrDrawState.h"

13 #include "GrDrawTarget.h"	12 #include "GrDrawTarget.h"

14 #include "SkStrokeRec.h"	13 #include "SkStrokeRec.h"

15	14

16 class GrTextStrike;	15 class GrTextStrike;

17 class GrPath;	16 class GrPath;

18 class GrPathRange;	17 class GrPathRange;

19	18

20 /*	19 /*

21 * This class implements text rendering using stencil and cover path rendering	20 * This class implements text rendering using stencil and cover path rendering

22 * (by the means of GrDrawTarget::drawPath).	21 * (by the means of GrDrawTarget::drawPath).

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45 * LCD text, even if the client provided positions for hinted glyphs,	44 * LCD text, even if the client provided positions for hinted glyphs,

46 * and renders from a canonically-sized, generic set of paths for the	45 * and renders from a canonically-sized, generic set of paths for the

47 * given typeface. In the future we should work out a system for the	46 * given typeface. In the future we should work out a system for the

48 * client to know it should not provide hinted glyph positions. This	47 * client to know it should not provide hinted glyph positions. This

49 * render mode also tries to use GPU stroking for fake bold, even when	48 * render mode also tries to use GPU stroking for fake bold, even when

50 * SK_USE_FREETYPE_EMBOLDEN is set.	49 * SK_USE_FREETYPE_EMBOLDEN is set.

51 */	50 */

52 kMaxPerformance_RenderMode,	51 kMaxPerformance_RenderMode,

53 };	52 };

54	53

	54 GrDrawState fDrawState;

55 GrDrawState::AutoRestoreEffects fStateRestore;	55 GrDrawState::AutoRestoreEffects fStateRestore;

56 SkScalar fTextRatio;	56 SkScalar fTextRatio;

57 float fTextInverseRatio;	57 float fTextInverseRatio;

58 SkGlyphCache* fGlyphCache;	58 SkGlyphCache* fGlyphCache;

59 GrPathRange* fGlyphs;	59 GrPathRange* fGlyphs;

60 uint32_t fIndexBuffer[kGlyphBufferSize];	60 uint32_t fIndexBuffer[kGlyphBufferSize];

61 float fTransformBuffer[2 * kGlyphBufferSize];	61 float fTransformBuffer[2 * kGlyphBufferSize];

62 int fPendingGlyphCount;	62 int fPendingGlyphCount;

63 SkMatrix fContextInitialMatrix;	63 SkMatrix fContextInitialMatrix;

64 bool fNeedsDeviceSpaceGlyphs;	64 bool fNeedsDeviceSpaceGlyphs;

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76 const SkPoint& offset) SK_OVERRIDE;	76 const SkPoint& offset) SK_OVERRIDE;

77	77

78 void init(const GrPaint&, const SkPaint&, size_t textByteLength, RenderMode) ;	78 void init(const GrPaint&, const SkPaint&, size_t textByteLength, RenderMode) ;

79 void appendGlyph(uint16_t glyphID, float x, float y);	79 void appendGlyph(uint16_t glyphID, float x, float y);

80 void flush();	80 void flush();

81 void finish();	81 void finish();

82	82

83 };	83 };

84	84

85 #endif	85 #endif

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