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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*); | 31 static GrStencilAndCoverTextContext* Create(); |
32 | 32 |
33 void drawText(GrDrawContext* dc, | 33 void drawText(GrContext*, GrDrawContext* dc, |
34 const GrClip&, const GrPaint&, const SkPaint&, | 34 const GrClip&, const GrPaint&, const SkPaint&, |
35 const SkMatrix& viewMatrix, const SkSurfaceProps&, const char
text[], | 35 const SkMatrix& viewMatrix, const SkSurfaceProps&, const char
text[], |
36 size_t byteLength, SkScalar x, | 36 size_t byteLength, SkScalar x, |
37 SkScalar y, const SkIRect& clipBounds) override; | 37 SkScalar y, const SkIRect& clipBounds) override; |
38 void drawPosText(GrDrawContext*, | 38 void drawPosText(GrContext*, GrDrawContext*, |
39 const GrClip&, const GrPaint&, const SkPaint&, | 39 const GrClip&, const GrPaint&, const SkPaint&, |
40 const SkMatrix& viewMatrix, const SkSurfaceProps&, | 40 const SkMatrix& viewMatrix, const SkSurfaceProps&, |
41 const char text[], size_t byteLength, | 41 const char text[], size_t byteLength, |
42 const SkScalar pos[], int scalarsPerPosition, | 42 const SkScalar pos[], int scalarsPerPosition, |
43 const SkPoint& offset, const SkIRect& clipBounds) override; | 43 const SkPoint& offset, const SkIRect& clipBounds) override; |
44 void drawTextBlob(GrDrawContext*, const GrClip&, const SkPaint&, | 44 void drawTextBlob(GrContext*, GrDrawContext*, const GrClip&, const SkPaint&, |
45 const SkMatrix& viewMatrix, const SkSurfaceProps&, const S
kTextBlob*, | 45 const SkMatrix& viewMatrix, const SkSurfaceProps&, const S
kTextBlob*, |
46 SkScalar x, SkScalar y, | 46 SkScalar x, SkScalar y, |
47 SkDrawFilter*, const SkIRect& clipBounds) override; | 47 SkDrawFilter*, const SkIRect& clipBounds) override; |
48 | 48 |
49 virtual ~GrStencilAndCoverTextContext(); | 49 virtual ~GrStencilAndCoverTextContext(); |
50 | 50 |
51 private: | 51 private: |
52 GrStencilAndCoverTextContext(GrContext*); | 52 GrStencilAndCoverTextContext(); |
53 | 53 |
54 bool canDraw(const SkPaint& skPaint, const SkMatrix&) { | 54 bool canDraw(const SkPaint& skPaint, const SkMatrix&) { |
55 return this->internalCanDraw(skPaint); | 55 return this->internalCanDraw(skPaint); |
56 } | 56 } |
57 | 57 |
58 bool internalCanDraw(const SkPaint&); | 58 bool internalCanDraw(const SkPaint&); |
59 | 59 |
60 void uncachedDrawTextBlob(GrDrawContext* dc, | 60 void uncachedDrawTextBlob(GrContext*, GrDrawContext* dc, |
61 const GrClip& clip, const SkPaint& skPaint, | 61 const GrClip& clip, const SkPaint& skPaint, |
62 const SkMatrix& viewMatrix, | 62 const SkMatrix& viewMatrix, |
63 const SkSurfaceProps&, | 63 const SkSurfaceProps&, |
64 const SkTextBlob* blob, | 64 const SkTextBlob* blob, |
65 SkScalar x, SkScalar y, | 65 SkScalar x, SkScalar y, |
66 SkDrawFilter* drawFilter, | 66 SkDrawFilter* drawFilter, |
67 const SkIRect& clipBounds); | 67 const SkIRect& clipBounds); |
68 | 68 |
69 class FallbackBlobBuilder; | 69 class FallbackBlobBuilder; |
70 | 70 |
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150 GrAtlasTextContext* fFallbackTextConte
xt; | 150 GrAtlasTextContext* fFallbackTextConte
xt; |
151 SkTHashMap<uint32_t, TextBlob*> fBlobIdCache; | 151 SkTHashMap<uint32_t, TextBlob*> fBlobIdCache; |
152 SkTHashTable<TextBlob*, const TextBlob::Key&, TextBlob> fBlobKeyCache; | 152 SkTHashTable<TextBlob*, const TextBlob::Key&, TextBlob> fBlobKeyCache; |
153 SkTInternalLList<TextBlob> fLRUList; | 153 SkTInternalLList<TextBlob> fLRUList; |
154 size_t fCacheSize; | 154 size_t fCacheSize; |
155 | 155 |
156 typedef GrTextContext INHERITED; | 156 typedef GrTextContext INHERITED; |
157 }; | 157 }; |
158 | 158 |
159 #endif | 159 #endif |
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