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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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48 const SkScalar pos[], int scalarsPerPosition, | 48 const SkScalar pos[], int scalarsPerPosition, |
49 const SkPoint& offset, const SkIRect& regionClipBounds) o
verride; | 49 const SkPoint& offset, const SkIRect& regionClipBounds) o
verride; |
50 void drawTextBlob(GrDrawContext*, const GrClip&, const SkPaint&, | 50 void drawTextBlob(GrDrawContext*, const GrClip&, const SkPaint&, |
51 const SkMatrix& viewMatrix, const SkTextBlob*, SkScalar x,
SkScalar y, | 51 const SkMatrix& viewMatrix, const SkTextBlob*, SkScalar x,
SkScalar y, |
52 SkDrawFilter*, const SkIRect& clipBounds) override; | 52 SkDrawFilter*, const SkIRect& clipBounds) override; |
53 | 53 |
54 typedef GrAtlasTextBlob::Run Run; | 54 typedef GrAtlasTextBlob::Run Run; |
55 typedef Run::SubRunInfo PerSubRunInfo; | 55 typedef Run::SubRunInfo PerSubRunInfo; |
56 | 56 |
57 inline bool canDrawAsDistanceFields(const SkPaint&, const SkMatrix& viewMatr
ix); | 57 inline bool canDrawAsDistanceFields(const SkPaint&, const SkMatrix& viewMatr
ix); |
58 GrAtlasTextBlob* setupDFBlob(int glyphCount, const SkPaint& origPaint, | |
59 const SkMatrix& viewMatrix, SkPaint* dfPaint, | |
60 SkScalar* textRatio); | |
61 void bmpAppendGlyph(GrAtlasTextBlob*, int runIndex, const SkGlyph&, int left
, int top, | |
62 GrColor color, GrFontScaler*); | |
63 bool dfAppendGlyph(GrAtlasTextBlob*, int runIndex, const SkGlyph&, SkScalar
sx, SkScalar sy, | 58 bool dfAppendGlyph(GrAtlasTextBlob*, int runIndex, const SkGlyph&, SkScalar
sx, SkScalar sy, |
64 GrColor color, GrFontScaler*, SkScalar textRatio, | 59 GrColor color, GrFontScaler*, SkScalar textRatio, |
65 const SkMatrix& viewMatrix); | 60 const SkMatrix& viewMatrix); |
66 | 61 |
67 // A helper for drawing BitmapText in a run of distance fields | 62 // A helper for drawing BitmapText in a run of distance fields |
68 inline void fallbackDrawPosText(GrAtlasTextBlob*, int runIndex, | 63 inline void fallbackDrawPosText(GrAtlasTextBlob*, int runIndex, |
69 GrColor color, | 64 GrColor color, |
70 const SkPaint&, const SkMatrix& viewMatrix, | 65 const SkPaint&, const SkMatrix& viewMatrix, |
71 const SkTDArray<char>& fallbackTxt, | 66 const SkTDArray<char>& fallbackTxt, |
72 const SkTDArray<SkScalar>& fallbackPos, | 67 const SkTDArray<SkScalar>& fallbackPos, |
73 int scalarsPerPosition, | 68 int scalarsPerPosition, |
74 const SkPoint& offset); | 69 const SkPoint& offset); |
75 | 70 |
76 void internalDrawDFText(GrAtlasTextBlob*, int runIndex, | 71 void internalDrawDFText(GrAtlasTextBlob*, int runIndex, |
77 const SkPaint&, | 72 const SkPaint&, |
78 GrColor color, const SkMatrix& viewMatrix, | 73 GrColor color, const SkMatrix& viewMatrix, |
79 const char text[], size_t byteLength, | 74 const char text[], size_t byteLength, |
80 SkScalar x, SkScalar y, | 75 SkScalar x, SkScalar y); |
81 SkScalar textRatio, const SkPaint& origPaint); | |
82 void internalDrawDFPosText(GrAtlasTextBlob*, int runIndex, | 76 void internalDrawDFPosText(GrAtlasTextBlob*, int runIndex, |
83 const SkPaint&, | 77 const SkPaint&, |
84 GrColor color, const SkMatrix& viewMatrix, | 78 GrColor color, const SkMatrix& viewMatrix, |
85 const char text[], size_t byteLength, | 79 const char text[], size_t byteLength, |
86 const SkScalar pos[], int scalarsPerPosition, | 80 const SkScalar pos[], int scalarsPerPosition, |
87 const SkPoint& offset, | 81 const SkPoint& offset); |
88 SkScalar textRatio, | |
89 const SkPaint& origPaint); | |
90 | 82 |
91 // sets up the descriptor on the blob and returns a detached cache. Client
must attach | 83 // sets up the descriptor on the blob and returns a detached cache. Client
must attach |
92 inline static GrColor ComputeCanonicalColor(const SkPaint&, bool lcd); | 84 inline static GrColor ComputeCanonicalColor(const SkPaint&, bool lcd); |
93 void regenerateTextBlob(GrAtlasTextBlob* bmp, const SkPaint& skPaint, GrColo
r, | 85 void regenerateTextBlob(GrAtlasTextBlob* bmp, const SkPaint& skPaint, GrColo
r, |
94 const SkMatrix& viewMatrix, | 86 const SkMatrix& viewMatrix, |
95 const SkTextBlob* blob, SkScalar x, SkScalar y, | 87 const SkTextBlob* blob, SkScalar x, SkScalar y, |
96 SkDrawFilter* drawFilter, | 88 SkDrawFilter* drawFilter); |
97 const GrClip&); | |
98 inline static bool HasLCD(const SkTextBlob*); | 89 inline static bool HasLCD(const SkTextBlob*); |
99 inline void initDistanceFieldPaint(GrAtlasTextBlob*, SkPaint*, SkScalar* tex
tRatio, | 90 inline void initDistanceFieldPaint(GrAtlasTextBlob*, SkPaint*, SkScalar* tex
tRatio, |
100 const SkMatrix&); | 91 const SkMatrix&); |
101 | 92 |
102 // Test methods | 93 // Test methods |
103 // TODO this is really ugly. It'd be much nicer if positioning could be mov
ed to batch | 94 // TODO this is really ugly. It'd be much nicer if positioning could be mov
ed to batch |
104 inline GrAtlasTextBlob* createDrawTextBlob(const GrPaint&, | 95 inline GrAtlasTextBlob* createDrawTextBlob(const GrPaint&, |
105 const SkPaint&, const SkMatrix& v
iewMatrix, | 96 const SkPaint&, const SkMatrix& v
iewMatrix, |
106 const char text[], size_t byteLen
gth, | 97 const char text[], size_t byteLen
gth, |
107 SkScalar x, SkScalar y); | 98 SkScalar x, SkScalar y); |
108 inline GrAtlasTextBlob* createDrawPosTextBlob(const GrPaint&, | 99 inline GrAtlasTextBlob* createDrawPosTextBlob(const GrPaint&, |
109 const SkPaint&, const SkMatrix
& viewMatrix, | 100 const SkPaint&, const SkMatrix
& viewMatrix, |
110 const char text[], size_t byte
Length, | 101 const char text[], size_t byte
Length, |
111 const SkScalar pos[], int scal
arsPerPosition, | 102 const SkScalar pos[], int scal
arsPerPosition, |
112 const SkPoint& offset); | 103 const SkPoint& offset); |
113 const GrDistanceFieldAdjustTable* dfAdjustTable() const { return fDistanceAd
justTable; } | 104 const GrDistanceFieldAdjustTable* dfAdjustTable() const { return fDistanceAd
justTable; } |
114 | 105 |
115 GrBatchTextStrike* fCurrStrike; | 106 GrBatchTextStrike* fCurrStrike; |
116 GrTextBlobCache* fCache; | 107 GrTextBlobCache* fCache; |
117 SkAutoTUnref<const GrDistanceFieldAdjustTable> fDistanceAdjustTable; | 108 SkAutoTUnref<const GrDistanceFieldAdjustTable> fDistanceAdjustTable; |
118 | 109 |
119 #ifdef GR_TEST_UTILS | 110 #ifdef GR_TEST_UTILS |
120 DRAW_BATCH_TEST_FRIEND(TextBlobBatch); | 111 DRAW_BATCH_TEST_FRIEND(TextBlobBatch); |
121 #endif | 112 #endif |
122 | 113 |
123 typedef GrTextContext INHERITED; | 114 typedef GrTextContext INHERITED; |
124 }; | 115 }; |
125 | 116 |
126 #endif | 117 #endif |
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