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1 /* | 1 /* |
2 * Copyright 2015 Google Inc. | 2 * Copyright 2015 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 GrAtlasTextContext_DEFINED | 8 #ifndef GrAtlasTextContext_DEFINED |
9 #define GrAtlasTextContext_DEFINED | 9 #define GrAtlasTextContext_DEFINED |
10 | 10 |
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59 const SkMatrix& viewMatrix, SkPaint* dfPaint, | 59 const SkMatrix& viewMatrix, SkPaint* dfPaint, |
60 SkScalar* textRatio); | 60 SkScalar* textRatio); |
61 void bmpAppendGlyph(GrAtlasTextBlob*, int runIndex, const SkGlyph&, int left
, int top, | 61 void bmpAppendGlyph(GrAtlasTextBlob*, int runIndex, const SkGlyph&, int left
, int top, |
62 GrColor color, GrFontScaler*); | 62 GrColor color, GrFontScaler*); |
63 bool dfAppendGlyph(GrAtlasTextBlob*, int runIndex, const SkGlyph&, SkScalar
sx, SkScalar sy, | 63 bool dfAppendGlyph(GrAtlasTextBlob*, int runIndex, const SkGlyph&, SkScalar
sx, SkScalar sy, |
64 GrColor color, GrFontScaler*, SkScalar textRatio, | 64 GrColor color, GrFontScaler*, SkScalar textRatio, |
65 const SkMatrix& viewMatrix); | 65 const SkMatrix& viewMatrix); |
66 | 66 |
67 // A helper for drawing BitmapText in a run of distance fields | 67 // A helper for drawing BitmapText in a run of distance fields |
68 inline void fallbackDrawPosText(GrAtlasTextBlob*, int runIndex, | 68 inline void fallbackDrawPosText(GrAtlasTextBlob*, int runIndex, |
69 const GrClip&, GrColor color, | 69 GrColor color, |
70 const SkPaint&, const SkMatrix& viewMatrix, | 70 const SkPaint&, const SkMatrix& viewMatrix, |
71 const SkTDArray<char>& fallbackTxt, | 71 const SkTDArray<char>& fallbackTxt, |
72 const SkTDArray<SkScalar>& fallbackPos, | 72 const SkTDArray<SkScalar>& fallbackPos, |
73 int scalarsPerPosition, | 73 int scalarsPerPosition, |
74 const SkPoint& offset); | 74 const SkPoint& offset); |
75 | 75 |
76 void internalDrawDFText(GrAtlasTextBlob*, int runIndex, const SkPaint&, | 76 void internalDrawDFText(GrAtlasTextBlob*, int runIndex, |
| 77 SkGlyphCache*, const SkPaint&, |
77 GrColor color, const SkMatrix& viewMatrix, | 78 GrColor color, const SkMatrix& viewMatrix, |
78 const char text[], size_t byteLength, | 79 const char text[], size_t byteLength, |
79 SkScalar x, SkScalar y, | 80 SkScalar x, SkScalar y, |
80 SkScalar textRatio, | 81 SkScalar textRatio, const SkPaint& origPaint); |
81 SkTDArray<char>* fallbackTxt, | 82 void internalDrawDFPosText(GrAtlasTextBlob*, int runIndex, |
82 SkTDArray<SkScalar>* fallbackPos, | 83 SkGlyphCache*, const SkPaint&, |
83 SkPoint* offset, const SkPaint& origPaint); | |
84 void internalDrawDFPosText(GrAtlasTextBlob*, int runIndex, const SkPaint&, | |
85 GrColor color, const SkMatrix& viewMatrix, | 84 GrColor color, const SkMatrix& viewMatrix, |
86 const char text[], size_t byteLength, | 85 const char text[], size_t byteLength, |
87 const SkScalar pos[], int scalarsPerPosition, | 86 const SkScalar pos[], int scalarsPerPosition, |
88 const SkPoint& offset, | 87 const SkPoint& offset, |
89 SkScalar textRatio, | 88 SkScalar textRatio, |
90 SkTDArray<char>* fallbackTxt, | 89 const SkPaint& origPaint); |
91 SkTDArray<SkScalar>* fallbackPos); | |
92 | 90 |
93 // sets up the descriptor on the blob and returns a detached cache. Client
must attach | 91 // sets up the descriptor on the blob and returns a detached cache. Client
must attach |
94 inline static GrColor ComputeCanonicalColor(const SkPaint&, bool lcd); | 92 inline static GrColor ComputeCanonicalColor(const SkPaint&, bool lcd); |
95 inline SkGlyphCache* setupCache(Run*, const SkPaint&, const SkMatrix* viewMa
trix, bool noGamma); | 93 inline SkGlyphCache* setupCache(Run*, const SkPaint&, const SkMatrix* viewMa
trix, bool noGamma); |
96 void regenerateTextBlob(GrAtlasTextBlob* bmp, const SkPaint& skPaint, GrColo
r, | 94 void regenerateTextBlob(GrAtlasTextBlob* bmp, const SkPaint& skPaint, GrColo
r, |
97 const SkMatrix& viewMatrix, | 95 const SkMatrix& viewMatrix, |
98 const SkTextBlob* blob, SkScalar x, SkScalar y, | 96 const SkTextBlob* blob, SkScalar x, SkScalar y, |
99 SkDrawFilter* drawFilter, | 97 SkDrawFilter* drawFilter, |
100 const GrClip&); | 98 const GrClip&); |
101 inline static bool HasLCD(const SkTextBlob*); | 99 inline static bool HasLCD(const SkTextBlob*); |
102 inline void initDistanceFieldPaint(GrAtlasTextBlob*, SkPaint*, SkScalar* tex
tRatio, | 100 inline void initDistanceFieldPaint(GrAtlasTextBlob*, SkPaint*, SkScalar* tex
tRatio, |
103 const SkMatrix&); | 101 const SkMatrix&); |
104 | 102 |
105 // Test methods | 103 // Test methods |
106 // TODO this is really ugly. It'd be much nicer if positioning could be mov
ed to batch | 104 // TODO this is really ugly. It'd be much nicer if positioning could be mov
ed to batch |
107 inline GrAtlasTextBlob* createDrawTextBlob(const GrClip&, const GrPaint&, | 105 inline GrAtlasTextBlob* createDrawTextBlob(const GrPaint&, |
108 const SkPaint&, const SkMatrix& v
iewMatrix, | 106 const SkPaint&, const SkMatrix& v
iewMatrix, |
109 const char text[], size_t byteLen
gth, | 107 const char text[], size_t byteLen
gth, |
110 SkScalar x, SkScalar y, | 108 SkScalar x, SkScalar y); |
111 const SkIRect& regionClipBounds); | 109 inline GrAtlasTextBlob* createDrawPosTextBlob(const GrPaint&, |
112 inline GrAtlasTextBlob* createDrawPosTextBlob(const GrClip&, const GrPaint&, | |
113 const SkPaint&, const SkMatrix
& viewMatrix, | 110 const SkPaint&, const SkMatrix
& viewMatrix, |
114 const char text[], size_t byte
Length, | 111 const char text[], size_t byte
Length, |
115 const SkScalar pos[], int scal
arsPerPosition, | 112 const SkScalar pos[], int scal
arsPerPosition, |
116 const SkPoint& offset, | 113 const SkPoint& offset); |
117 const SkIRect& regionClipBound
s); | |
118 const GrDistanceFieldAdjustTable* dfAdjustTable() const { return fDistanceAd
justTable; } | 114 const GrDistanceFieldAdjustTable* dfAdjustTable() const { return fDistanceAd
justTable; } |
119 | 115 |
120 GrBatchTextStrike* fCurrStrike; | 116 GrBatchTextStrike* fCurrStrike; |
121 GrTextBlobCache* fCache; | 117 GrTextBlobCache* fCache; |
122 SkAutoTUnref<const GrDistanceFieldAdjustTable> fDistanceAdjustTable; | 118 SkAutoTUnref<const GrDistanceFieldAdjustTable> fDistanceAdjustTable; |
123 | 119 |
124 #ifdef GR_TEST_UTILS | 120 #ifdef GR_TEST_UTILS |
125 DRAW_BATCH_TEST_FRIEND(TextBlobBatch); | 121 DRAW_BATCH_TEST_FRIEND(TextBlobBatch); |
126 #endif | 122 #endif |
127 | 123 |
128 typedef GrTextContext INHERITED; | 124 typedef GrTextContext INHERITED; |
129 }; | 125 }; |
130 | 126 |
131 #endif | 127 #endif |
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