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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 "GrDrawTarget.h" | 12 #include "GrDrawTarget.h" |
13 #include "GrStrokeInfo.h" | 13 #include "GrStrokeInfo.h" |
14 | 14 |
15 class GrTextStrike; | 15 class GrTextStrike; |
16 class GrPath; | 16 class GrPath; |
17 class GrPathRange; | 17 class GrPathRange; |
18 class SkSurfaceProps; | 18 class SkSurfaceProps; |
19 | 19 |
20 /* | 20 /* |
21 * This class implements text rendering using stencil and cover path rendering | 21 * This class implements text rendering using stencil and cover path rendering |
22 * (by the means of GrDrawTarget::drawPath). | 22 * (by the means of GrDrawTarget::drawPath). |
23 * This class exposes the functionality through GrTextContext interface. | 23 * This class exposes the functionality through GrTextContext interface. |
24 */ | 24 */ |
25 class GrStencilAndCoverTextContext : public GrTextContext { | 25 class GrStencilAndCoverTextContext : public GrTextContext { |
26 public: | 26 public: |
27 static GrStencilAndCoverTextContext* Create(GrContext*, GrDrawContext*, | 27 static GrStencilAndCoverTextContext* Create(GrContext*, const SkSurfaceProps
&); |
28 const SkSurfaceProps&); | |
29 | 28 |
30 virtual ~GrStencilAndCoverTextContext(); | 29 virtual ~GrStencilAndCoverTextContext(); |
31 | 30 |
32 private: | 31 private: |
33 static const int kGlyphBufferSize = 1024; | 32 static const int kGlyphBufferSize = 1024; |
34 | 33 |
35 enum RenderMode { | 34 enum RenderMode { |
36 /** | 35 /** |
37 * 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 |
38 * 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 27 matching lines...) Expand all Loading... |
66 SkMatrix fViewMatrix; | 65 SkMatrix fViewMatrix; |
67 SkMatrix fLocalMatrix; | 66 SkMatrix fLocalMatrix; |
68 bool fUsingDeviceSpaceGlyphs; | 67 bool fUsingDeviceSpaceGlyphs; |
69 SkAutoTUnref<GrRenderTarget> fRenderTarget; | 68 SkAutoTUnref<GrRenderTarget> fRenderTarget; |
70 GrClip fClip; | 69 GrClip fClip; |
71 SkIRect fClipRect; | 70 SkIRect fClipRect; |
72 SkIRect fRegionClipBounds; | 71 SkIRect fRegionClipBounds; |
73 GrPaint fPaint; | 72 GrPaint fPaint; |
74 SkPaint fSkPaint; | 73 SkPaint fSkPaint; |
75 | 74 |
76 GrStencilAndCoverTextContext(GrContext*, GrDrawContext*, const SkSurfaceProp
s&); | 75 GrStencilAndCoverTextContext(GrContext*, const SkSurfaceProps&); |
77 | 76 |
78 bool canDraw(const GrRenderTarget*, const GrClip&, const GrPaint&, | 77 bool canDraw(const GrRenderTarget*, const GrClip&, const GrPaint&, |
79 const SkPaint&, const SkMatrix& viewMatrix) override; | 78 const SkPaint&, const SkMatrix& viewMatrix) override; |
80 | 79 |
81 void onDrawText(GrRenderTarget*, const GrClip&, const GrPaint&, const SkPain
t&, | 80 void onDrawText(GrDrawContext*, GrRenderTarget*, const GrClip&, const GrPain
t&, const SkPaint&, |
82 const SkMatrix& viewMatrix, | 81 const SkMatrix& viewMatrix, |
83 const char text[], size_t byteLength, | 82 const char text[], size_t byteLength, |
84 SkScalar x, SkScalar y, const SkIRect& regionClipBounds) ove
rride; | 83 SkScalar x, SkScalar y, const SkIRect& regionClipBounds) ove
rride; |
85 void onDrawPosText(GrRenderTarget*, const GrClip&, const GrPaint&, const SkP
aint&, | 84 void onDrawPosText(GrDrawContext*, GrRenderTarget*, |
| 85 const GrClip&, const GrPaint&, const SkPaint&, |
86 const SkMatrix& viewMatrix, | 86 const SkMatrix& viewMatrix, |
87 const char text[], size_t byteLength, | 87 const char text[], size_t byteLength, |
88 const SkScalar pos[], int scalarsPerPosition, | 88 const SkScalar pos[], int scalarsPerPosition, |
89 const SkPoint& offset, const SkIRect& regionClipBounds) o
verride; | 89 const SkPoint& offset, const SkIRect& regionClipBounds) o
verride; |
90 | 90 |
91 void init(GrRenderTarget*, const GrClip&, const GrPaint&, const SkPaint&, | 91 void init(GrRenderTarget*, const GrClip&, const GrPaint&, const SkPaint&, |
92 size_t textByteLength, RenderMode, const SkMatrix& viewMatrix, | 92 size_t textByteLength, RenderMode, const SkMatrix& viewMatrix, |
93 const SkIRect& regionClipBounds); | 93 const SkIRect& regionClipBounds); |
94 bool mapToFallbackContext(SkMatrix* inverse); | 94 bool mapToFallbackContext(SkMatrix* inverse); |
95 void appendGlyph(const SkGlyph&, const SkPoint&); | 95 void appendGlyph(GrDrawContext* dc, const SkGlyph&, const SkPoint&); |
96 void flush(); | 96 void flush(GrDrawContext* dc); |
97 void finish(); | 97 void finish(GrDrawContext* dc); |
98 | 98 |
99 }; | 99 }; |
100 | 100 |
101 #endif | 101 #endif |
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