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 "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 GrPathRangeDraw; |
18 class SkSurfaceProps; | 19 class SkSurfaceProps; |
19 | 20 |
20 /* | 21 /* |
21 * This class implements text rendering using stencil and cover path rendering | 22 * This class implements text rendering using stencil and cover path rendering |
22 * (by the means of GrDrawTarget::drawPath). | 23 * (by the means of GrDrawTarget::drawPath). |
23 * This class exposes the functionality through GrTextContext interface. | 24 * This class exposes the functionality through GrTextContext interface. |
24 */ | 25 */ |
25 class GrStencilAndCoverTextContext : public GrTextContext { | 26 class GrStencilAndCoverTextContext : public GrTextContext { |
26 public: | 27 public: |
27 static GrStencilAndCoverTextContext* Create(GrContext*, const SkSurfaceProps
&); | 28 static GrStencilAndCoverTextContext* Create(GrContext*, const SkSurfaceProps
&); |
28 | 29 |
29 virtual ~GrStencilAndCoverTextContext(); | 30 virtual ~GrStencilAndCoverTextContext(); |
30 | 31 |
31 private: | 32 private: |
32 static const int kGlyphBufferSize = 1024; | |
33 | |
34 enum RenderMode { | 33 enum RenderMode { |
35 /** | 34 /** |
36 * This is the render mode used by drawText(), which is mainly used by | 35 * This is the render mode used by drawText(), which is mainly used by |
37 * the Skia unit tests. It tries match the other text backends exactly, | 36 * the Skia unit tests. It tries match the other text backends exactly, |
38 * with the exception of not implementing LCD text, and doing anti- | 37 * with the exception of not implementing LCD text, and doing anti- |
39 * aliasing with the built-in MSAA. | 38 * aliasing with the built-in MSAA. |
40 */ | 39 */ |
41 kMaxAccuracy_RenderMode, | 40 kMaxAccuracy_RenderMode, |
42 | 41 |
43 /** | 42 /** |
44 * This is the render mode used by drawPosText(). It ignores hinting and | 43 * This is the render mode used by drawPosText(). It ignores hinting and |
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 |
55 SkScalar fTextRatio; | 54 SkScalar fTextRatio; |
56 float fTextInverseRatio; | 55 float fTextInverseRatio; |
57 SkGlyphCache* fGlyphCache; | 56 SkGlyphCache* fGlyphCache; |
| 57 |
58 GrPathRange* fGlyphs; | 58 GrPathRange* fGlyphs; |
| 59 GrPathRangeDraw* fDraw; |
59 GrStrokeInfo fStroke; | 60 GrStrokeInfo fStroke; |
60 uint16_t fGlyphIndices[kGlyphBuff
erSize]; | 61 SkSTArray<32, uint16_t, true> fFallbackIndices; |
61 SkPoint fGlyphPositions[kGlyphBu
fferSize]; | 62 SkSTArray<32, SkPoint, true> fFallbackPositions; |
62 int fQueuedGlyphCount; | 63 |
63 int fFallbackGlyphsIdx; | |
64 SkMatrix fContextInitialMatrix; | 64 SkMatrix fContextInitialMatrix; |
65 SkMatrix fViewMatrix; | 65 SkMatrix fViewMatrix; |
66 SkMatrix fLocalMatrix; | 66 SkMatrix fLocalMatrix; |
67 bool fUsingDeviceSpaceGlyphs; | 67 bool fUsingDeviceSpaceGlyphs; |
68 SkAutoTUnref<GrRenderTarget> fRenderTarget; | 68 SkAutoTUnref<GrRenderTarget> fRenderTarget; |
69 GrClip fClip; | 69 GrClip fClip; |
70 SkIRect fClipRect; | 70 SkIRect fClipRect; |
71 SkIRect fRegionClipBounds; | 71 SkIRect fRegionClipBounds; |
72 GrPaint fPaint; | 72 GrPaint fPaint; |
73 SkPaint fSkPaint; | 73 SkPaint fSkPaint; |
(...skipping 11 matching lines...) Expand all Loading... |
85 const GrClip&, const GrPaint&, const SkPaint&, | 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(GrDrawContext* dc, const SkGlyph&, const SkPoint&); | 95 void appendGlyph(const SkGlyph&, const SkPoint&); |
96 void flush(GrDrawContext* dc); | 96 void flush(GrDrawContext* dc); |
97 void finish(GrDrawContext* dc); | 97 void finish(GrDrawContext* dc); |
98 | 98 |
| 99 typedef GrTextContext INHERITED; |
99 }; | 100 }; |
100 | 101 |
101 #endif | 102 #endif |
OLD | NEW |