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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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45 void drawTextBlob(GrContext*, GrDrawContext*, const GrClip&, const SkPaint&, | 45 void drawTextBlob(GrContext*, GrDrawContext*, const GrClip&, const SkPaint&, |
46 const SkMatrix& viewMatrix, const SkSurfaceProps&, const S
kTextBlob*, | 46 const SkMatrix& viewMatrix, const SkSurfaceProps&, const S
kTextBlob*, |
47 SkScalar x, SkScalar y, | 47 SkScalar x, SkScalar y, |
48 SkDrawFilter*, const SkIRect& clipBounds); | 48 SkDrawFilter*, const SkIRect& clipBounds); |
49 | 49 |
50 private: | 50 private: |
51 GrAtlasTextContext(); | 51 GrAtlasTextContext(); |
52 | 52 |
53 // sets up the descriptor on the blob and returns a detached cache. Client
must attach | 53 // sets up the descriptor on the blob and returns a detached cache. Client
must attach |
54 inline static GrColor ComputeCanonicalColor(const SkPaint&, bool lcd); | 54 inline static GrColor ComputeCanonicalColor(const SkPaint&, bool lcd); |
55 // Determines if we need to use FakeGamma: | 55 // Determines if we need to use fake gamma (and contrast boost): |
56 inline static SkPaint::FakeGamma ComputeFakeGamma(GrDrawContext*, const GrPa
int&); | 56 inline static uint32_t ComputeScalerContextFlags(GrDrawContext*, const GrPai
nt&); |
57 static void RegenerateTextBlob(GrAtlasTextBlob* bmp, | 57 static void RegenerateTextBlob(GrAtlasTextBlob* bmp, |
58 GrBatchFontCache*, | 58 GrBatchFontCache*, |
59 const GrShaderCaps&, | 59 const GrShaderCaps&, |
60 const SkPaint& skPaint, GrColor, SkPaint::Fak
eGamma, | 60 const SkPaint& skPaint, GrColor, |
| 61 uint32_t scalerContextFlags, |
61 const SkMatrix& viewMatrix, | 62 const SkMatrix& viewMatrix, |
62 const SkSurfaceProps&, | 63 const SkSurfaceProps&, |
63 const SkTextBlob* blob, SkScalar x, SkScalar
y, | 64 const SkTextBlob* blob, SkScalar x, SkScalar
y, |
64 SkDrawFilter* drawFilter); | 65 SkDrawFilter* drawFilter); |
65 inline static bool HasLCD(const SkTextBlob*); | 66 inline static bool HasLCD(const SkTextBlob*); |
66 | 67 |
67 static inline GrAtlasTextBlob* CreateDrawTextBlob(GrTextBlobCache*, | 68 static inline GrAtlasTextBlob* CreateDrawTextBlob(GrTextBlobCache*, |
68 GrBatchFontCache*, const G
rShaderCaps&, | 69 GrBatchFontCache*, const G
rShaderCaps&, |
69 const GrPaint&, | 70 const GrPaint&, |
70 const SkPaint&, SkPaint::F
akeGamma, | 71 const SkPaint&, |
| 72 uint32_t scalerContextFlag
s, |
71 const SkMatrix& viewMatrix
, | 73 const SkMatrix& viewMatrix
, |
72 const SkSurfaceProps&, | 74 const SkSurfaceProps&, |
73 const char text[], size_t
byteLength, | 75 const char text[], size_t
byteLength, |
74 SkScalar x, SkScalar y); | 76 SkScalar x, SkScalar y); |
75 static inline GrAtlasTextBlob* CreateDrawPosTextBlob(GrTextBlobCache*, GrBat
chFontCache*, | 77 static inline GrAtlasTextBlob* CreateDrawPosTextBlob(GrTextBlobCache*, GrBat
chFontCache*, |
76 const GrShaderCaps&, | 78 const GrShaderCaps&, |
77 const GrPaint&, | 79 const GrPaint&, |
78 const SkPaint&, SkPaint
::FakeGamma, | 80 const SkPaint&, |
| 81 uint32_t scalerContextF
lags, |
79 const SkMatrix& viewMat
rix, | 82 const SkMatrix& viewMat
rix, |
80 const SkSurfaceProps&, | 83 const SkSurfaceProps&, |
81 const char text[], size
_t byteLength, | 84 const char text[], size
_t byteLength, |
82 const SkScalar pos[], | 85 const SkScalar pos[], |
83 int scalarsPerPosition, | 86 int scalarsPerPosition, |
84 const SkPoint& offset); | 87 const SkPoint& offset); |
85 const GrDistanceFieldAdjustTable* dfAdjustTable() const { return fDistanceAd
justTable; } | 88 const GrDistanceFieldAdjustTable* dfAdjustTable() const { return fDistanceAd
justTable; } |
86 | 89 |
87 SkAutoTUnref<const GrDistanceFieldAdjustTable> fDistanceAdjustTable; | 90 SkAutoTUnref<const GrDistanceFieldAdjustTable> fDistanceAdjustTable; |
88 | 91 |
89 #ifdef GR_TEST_UTILS | 92 #ifdef GR_TEST_UTILS |
90 static const SkPaint::FakeGamma kTextBlobBatchFakeGamma = SkPaint::FakeGamma
::On; | 93 static const uint32_t kTextBlobBatchScalerContextFlags = |
| 94 SkPaint::kFakeGammaAndBoostContrast_ScalerContextFlags; |
91 DRAW_BATCH_TEST_FRIEND(TextBlobBatch); | 95 DRAW_BATCH_TEST_FRIEND(TextBlobBatch); |
92 #endif | 96 #endif |
93 }; | 97 }; |
94 | 98 |
95 #endif | 99 #endif |
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