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1 /* | 1 /* |
2 * Copyright 2010 Google Inc. | 2 * Copyright 2010 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 GrTextContext_DEFINED | 8 #ifndef GrTextContext_DEFINED |
9 #define GrTextContext_DEFINED | 9 #define GrTextContext_DEFINED |
10 | 10 |
11 #include "GrClip.h" | 11 #include "GrClip.h" |
12 #include "GrGlyph.h" | 12 #include "GrGlyph.h" |
13 #include "GrPaint.h" | 13 #include "GrPaint.h" |
14 #include "SkDeviceProperties.h" | 14 #include "SkDeviceProperties.h" |
15 | 15 |
16 #include "SkPostConfig.h" | 16 #include "SkPostConfig.h" |
17 | 17 |
18 class GrClip; | 18 class GrClip; |
19 class GrContext; | 19 class GrContext; |
20 class GrDrawTarget; | 20 class GrDrawTarget; |
21 class GrFontScaler; | 21 class GrFontScaler; |
22 class SkDrawFilter; | 22 class SkDrawFilter; |
23 class SkGpuDevice; | 23 class SkGpuDevice; |
24 class SkTextBlob; | 24 class SkTextBlob; |
25 | 25 |
26 // For testing textblobs on GPU. | 26 // For testing textblobs on GPU. |
27 //#define USE_BITMAP_TEXTBLOBS | 27 #define USE_BITMAP_TEXTBLOBS |
28 | 28 |
29 /* | 29 /* |
30 * This class wraps the state for a single text render | 30 * This class wraps the state for a single text render |
31 */ | 31 */ |
32 class GrTextContext { | 32 class GrTextContext { |
33 public: | 33 public: |
34 virtual ~GrTextContext(); | 34 virtual ~GrTextContext(); |
35 | 35 |
36 void drawText(GrRenderTarget* rt, const GrClip&, const GrPaint&, const SkPa
int&, | 36 void drawText(GrRenderTarget* rt, const GrClip&, const GrPaint&, const SkPa
int&, |
37 const SkMatrix& viewMatrix, const char text[], size_t byteLeng
th, SkScalar x, | 37 const SkMatrix& viewMatrix, const char text[], size_t byteLeng
th, SkScalar x, |
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91 | 91 |
92 static GrFontScaler* GetGrFontScaler(SkGlyphCache* cache); | 92 static GrFontScaler* GetGrFontScaler(SkGlyphCache* cache); |
93 // sets extent in stopVector and returns glyph count | 93 // sets extent in stopVector and returns glyph count |
94 static int MeasureText(SkGlyphCache* cache, SkDrawCacheProc glyphCacheProc, | 94 static int MeasureText(SkGlyphCache* cache, SkDrawCacheProc glyphCacheProc, |
95 const char text[], size_t byteLength, SkVector* stopV
ector); | 95 const char text[], size_t byteLength, SkVector* stopV
ector); |
96 | 96 |
97 friend class BitmapTextBatch; | 97 friend class BitmapTextBatch; |
98 }; | 98 }; |
99 | 99 |
100 #endif | 100 #endif |
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