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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 |
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21 class GrPath; | 21 class GrPath; |
22 class SkSurfaceProps; | 22 class SkSurfaceProps; |
23 | 23 |
24 /* | 24 /* |
25 * This class implements text rendering using stencil and cover path rendering | 25 * This class implements text rendering using stencil and cover path rendering |
26 * (by the means of GrDrawTarget::drawPath). | 26 * (by the means of GrDrawTarget::drawPath). |
27 * This class exposes the functionality through GrTextContext interface. | 27 * This class exposes the functionality through GrTextContext interface. |
28 */ | 28 */ |
29 class GrStencilAndCoverTextContext : public GrTextContext { | 29 class GrStencilAndCoverTextContext : public GrTextContext { |
30 public: | 30 public: |
31 static GrStencilAndCoverTextContext* Create(GrContext*, const SkSurfaceProps
&); | 31 static GrStencilAndCoverTextContext* Create(GrContext*); |
32 | 32 |
33 void drawText(GrDrawContext* dc, | 33 void drawText(GrDrawContext* dc, |
34 const GrClip&, const GrPaint&, const SkPaint&, | 34 const GrClip&, const GrPaint&, const SkPaint&, |
35 const SkMatrix& viewMatrix, const char text[], size_t byteLeng
th, SkScalar x, | 35 const SkMatrix& viewMatrix, const SkSurfaceProps&, const char
text[], |
| 36 size_t byteLength, SkScalar x, |
36 SkScalar y, const SkIRect& clipBounds) override; | 37 SkScalar y, const SkIRect& clipBounds) override; |
37 void drawPosText(GrDrawContext*, | 38 void drawPosText(GrDrawContext*, |
38 const GrClip&, const GrPaint&, const SkPaint&, | 39 const GrClip&, const GrPaint&, const SkPaint&, |
39 const SkMatrix& viewMatrix, | 40 const SkMatrix& viewMatrix, const SkSurfaceProps&, |
40 const char text[], size_t byteLength, | 41 const char text[], size_t byteLength, |
41 const SkScalar pos[], int scalarsPerPosition, | 42 const SkScalar pos[], int scalarsPerPosition, |
42 const SkPoint& offset, const SkIRect& clipBounds) override; | 43 const SkPoint& offset, const SkIRect& clipBounds) override; |
43 void drawTextBlob(GrDrawContext*, const GrClip&, const SkPaint&, | 44 void drawTextBlob(GrDrawContext*, const GrClip&, const SkPaint&, |
44 const SkMatrix& viewMatrix, const SkTextBlob*, SkScalar x,
SkScalar y, | 45 const SkMatrix& viewMatrix, const SkSurfaceProps&, const S
kTextBlob*, |
| 46 SkScalar x, SkScalar y, |
45 SkDrawFilter*, const SkIRect& clipBounds) override; | 47 SkDrawFilter*, const SkIRect& clipBounds) override; |
46 | 48 |
47 virtual ~GrStencilAndCoverTextContext(); | 49 virtual ~GrStencilAndCoverTextContext(); |
48 | 50 |
49 private: | 51 private: |
50 GrStencilAndCoverTextContext(GrContext*, const SkSurfaceProps&); | 52 GrStencilAndCoverTextContext(GrContext*); |
51 | 53 |
52 bool canDraw(const SkPaint& skPaint, const SkMatrix&) { | 54 bool canDraw(const SkPaint& skPaint, const SkMatrix&) { |
53 return this->internalCanDraw(skPaint); | 55 return this->internalCanDraw(skPaint); |
54 } | 56 } |
55 | 57 |
56 bool internalCanDraw(const SkPaint&); | 58 bool internalCanDraw(const SkPaint&); |
57 | 59 |
58 void uncachedDrawTextBlob(GrDrawContext* dc, | 60 void uncachedDrawTextBlob(GrDrawContext* dc, |
59 const GrClip& clip, const SkPaint& skPaint, | 61 const GrClip& clip, const SkPaint& skPaint, |
60 const SkMatrix& viewMatrix, | 62 const SkMatrix& viewMatrix, |
| 63 const SkSurfaceProps&, |
61 const SkTextBlob* blob, | 64 const SkTextBlob* blob, |
62 SkScalar x, SkScalar y, | 65 SkScalar x, SkScalar y, |
63 SkDrawFilter* drawFilter, | 66 SkDrawFilter* drawFilter, |
64 const SkIRect& clipBounds); | 67 const SkIRect& clipBounds); |
65 | 68 |
66 class FallbackBlobBuilder; | 69 class FallbackBlobBuilder; |
67 | 70 |
68 class TextRun { | 71 class TextRun { |
69 public: | 72 public: |
70 TextRun(const SkPaint& fontAndStroke); | 73 TextRun(const SkPaint& fontAndStroke); |
71 ~TextRun(); | 74 ~TextRun(); |
72 | 75 |
73 void setText(const char text[], size_t byteLength, SkScalar x, SkScalar
y); | 76 void setText(const char text[], size_t byteLength, SkScalar x, SkScalar
y); |
74 | 77 |
75 void setPosText(const char text[], size_t byteLength, const SkScalar pos
[], | 78 void setPosText(const char text[], size_t byteLength, const SkScalar pos
[], |
76 int scalarsPerPosition, const SkPoint& offset); | 79 int scalarsPerPosition, const SkPoint& offset); |
77 | 80 |
78 void draw(GrContext*, GrDrawContext*, GrPipelineBuilder*, GrColor, const
SkMatrix&, | 81 void draw(GrContext*, GrDrawContext*, GrPipelineBuilder*, GrColor, const
SkMatrix&, |
| 82 const SkSurfaceProps&, |
79 SkScalar x, SkScalar y, const SkIRect& clipBounds, | 83 SkScalar x, SkScalar y, const SkIRect& clipBounds, |
80 GrTextContext* fallbackTextContext, const SkPaint& originalSkP
aint) const; | 84 GrTextContext* fallbackTextContext, const SkPaint& originalSkP
aint) const; |
81 | 85 |
82 void releaseGlyphCache() const; | 86 void releaseGlyphCache() const; |
83 | 87 |
84 size_t computeSizeInCache() const; | 88 size_t computeSizeInCache() const; |
85 | 89 |
86 private: | 90 private: |
87 typedef GrDrawPathRangeBatch::InstanceData InstanceData; | 91 typedef GrDrawPathRangeBatch::InstanceData InstanceData; |
88 | 92 |
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146 GrAtlasTextContext* fFallbackTextConte
xt; | 150 GrAtlasTextContext* fFallbackTextConte
xt; |
147 SkTHashMap<uint32_t, TextBlob*> fBlobIdCache; | 151 SkTHashMap<uint32_t, TextBlob*> fBlobIdCache; |
148 SkTHashTable<TextBlob*, const TextBlob::Key&, TextBlob> fBlobKeyCache; | 152 SkTHashTable<TextBlob*, const TextBlob::Key&, TextBlob> fBlobKeyCache; |
149 SkTInternalLList<TextBlob> fLRUList; | 153 SkTInternalLList<TextBlob> fLRUList; |
150 size_t fCacheSize; | 154 size_t fCacheSize; |
151 | 155 |
152 typedef GrTextContext INHERITED; | 156 typedef GrTextContext INHERITED; |
153 }; | 157 }; |
154 | 158 |
155 #endif | 159 #endif |
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