OLD | NEW |
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 "GrDrawTarget.h" | 12 #include "GrDrawTarget.h" |
13 #include "SkStrokeRec.h" | 13 #include "SkStrokeRec.h" |
14 | 14 |
15 class GrTextStrike; | 15 class GrTextStrike; |
16 class GrPath; | 16 class GrPath; |
17 class GrPathRange; | 17 class GrPathRange; |
18 | 18 |
19 /* | 19 /* |
20 * This class implements text rendering using stencil and cover path rendering | 20 * This class implements text rendering using stencil and cover path rendering |
21 * (by the means of GrDrawTarget::drawPath). | 21 * (by the means of GrDrawTarget::drawPath). |
22 * This class exposes the functionality through GrTextContext interface. | 22 * This class exposes the functionality through GrTextContext interface. |
23 */ | 23 */ |
24 class GrStencilAndCoverTextContext : public GrTextContext { | 24 class GrStencilAndCoverTextContext : public GrTextContext { |
25 public: | 25 public: |
26 static GrStencilAndCoverTextContext* Create(GrContext*, const SkDeviceProper
ties&); | 26 static GrStencilAndCoverTextContext* Create(GrContext*, SkGpuDevice*, |
| 27 const SkDeviceProperties&); |
27 | 28 |
28 virtual ~GrStencilAndCoverTextContext(); | 29 virtual ~GrStencilAndCoverTextContext(); |
29 | 30 |
30 private: | 31 private: |
31 static const int kGlyphBufferSize = 1024; | 32 static const int kGlyphBufferSize = 1024; |
32 | 33 |
33 enum RenderMode { | 34 enum RenderMode { |
34 /** | 35 /** |
35 * This is the render mode used by drawText(), which is mainly used by | 36 * This is the render mode used by drawText(), which is mainly used by |
36 * the Skia unit tests. It tries match the other text backends exactly, | 37 * the Skia unit tests. It tries match the other text backends exactly, |
(...skipping 23 matching lines...) Expand all Loading... |
60 SkStrokeRec fStroke; | 61 SkStrokeRec fStroke; |
61 uint16_t fGlyphIndices[kGlyphBuff
erSize]; | 62 uint16_t fGlyphIndices[kGlyphBuff
erSize]; |
62 SkPoint fGlyphPositions[kGlyphBu
fferSize]; | 63 SkPoint fGlyphPositions[kGlyphBu
fferSize]; |
63 int fQueuedGlyphCount; | 64 int fQueuedGlyphCount; |
64 int fFallbackGlyphsIdx; | 65 int fFallbackGlyphsIdx; |
65 SkMatrix fContextInitialMatrix; | 66 SkMatrix fContextInitialMatrix; |
66 SkMatrix fViewMatrix; | 67 SkMatrix fViewMatrix; |
67 SkMatrix fLocalMatrix; | 68 SkMatrix fLocalMatrix; |
68 bool fUsingDeviceSpaceGlyphs; | 69 bool fUsingDeviceSpaceGlyphs; |
69 | 70 |
70 GrStencilAndCoverTextContext(GrContext*, const SkDeviceProperties&); | 71 GrStencilAndCoverTextContext(GrContext*, SkGpuDevice*, const SkDevicePropert
ies&); |
71 | 72 |
72 bool canDraw(const SkPaint& paint, const SkMatrix& viewMatrix) SK_OVERRIDE; | 73 bool canDraw(const SkPaint& paint, const SkMatrix& viewMatrix) SK_OVERRIDE; |
73 | 74 |
74 virtual void onDrawText(GrRenderTarget*, const GrClip&, const GrPaint&, cons
t SkPaint&, | 75 virtual void onDrawText(GrRenderTarget*, const GrClip&, const GrPaint&, cons
t SkPaint&, |
75 const SkMatrix& viewMatrix, | 76 const SkMatrix& viewMatrix, |
76 const char text[], size_t byteLength, | 77 const char text[], size_t byteLength, |
77 SkScalar x, SkScalar y) SK_OVERRIDE; | 78 SkScalar x, SkScalar y, const SkIRect& regionClipBou
nds) SK_OVERRIDE; |
78 virtual void onDrawPosText(GrRenderTarget*, const GrClip&, const GrPaint&, c
onst SkPaint&, | 79 virtual void onDrawPosText(GrRenderTarget*, const GrClip&, const GrPaint&, c
onst SkPaint&, |
79 const SkMatrix& viewMatrix, | 80 const SkMatrix& viewMatrix, |
80 const char text[], size_t byteLength, | 81 const char text[], size_t byteLength, |
81 const SkScalar pos[], int scalarsPerPosition, | 82 const SkScalar pos[], int scalarsPerPosition, |
82 const SkPoint& offset) SK_OVERRIDE; | 83 const SkPoint& offset, const SkIRect& regionClipB
ounds) SK_OVERRIDE; |
83 | 84 |
84 void init(GrRenderTarget*, const GrClip&, const GrPaint&, const SkPaint&, | 85 void init(GrRenderTarget*, const GrClip&, const GrPaint&, const SkPaint&, |
85 size_t textByteLength, RenderMode, const SkMatrix& viewMatrix); | 86 size_t textByteLength, RenderMode, const SkMatrix& viewMatrix, |
| 87 const SkIRect& regionClipBounds); |
86 bool mapToFallbackContext(SkMatrix* inverse); | 88 bool mapToFallbackContext(SkMatrix* inverse); |
87 void appendGlyph(const SkGlyph&, const SkPoint&); | 89 void appendGlyph(const SkGlyph&, const SkPoint&); |
88 void flush(); | 90 void flush(); |
89 void finish(); | 91 void finish(); |
90 | 92 |
91 }; | 93 }; |
92 | 94 |
93 #endif | 95 #endif |
OLD | NEW |