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| 1 /* | |
| 2 * Copyright 2013 Google Inc. | |
| 3 * | |
| 4 * Use of this source code is governed by a BSD-style license that can be | |
| 5 * found in the LICENSE file. | |
| 6 */ | |
| 7 | |
| 8 #ifndef GrBitmapTextContext_DEFINED | |
| 9 #define GrBitmapTextContext_DEFINED | |
| 10 | |
| 11 #include "GrTextContext.h" | |
| 12 | |
| 13 #include "GrGeometryProcessor.h" | |
| 14 | |
| 15 class GrTextStrike; | |
| 16 | |
| 17 /* | |
| 18 * This class implements GrTextContext using standard bitmap fonts | |
| 19 */ | |
| 20 class GrBitmapTextContext : public GrTextContext { | |
| 21 public: | |
| 22 static GrBitmapTextContext* Create(GrContext*, SkGpuDevice*, const SkDevice
Properties&); | |
| 23 | |
| 24 virtual ~GrBitmapTextContext() {} | |
| 25 | |
| 26 private: | |
| 27 GrTextStrike* fStrike; | |
| 28 void* fVertices; | |
| 29 int fCurrVertex; | |
| 30 int fAllocVertexCount; | |
| 31 int fTotalVertexCount; | |
| 32 SkRect fVertexBounds; | |
| 33 GrTexture* fCurrTexture; | |
| 34 GrMaskFormat fCurrMaskFormat; | |
| 35 SkAutoTUnref<const GrGeometryProcessor> fCachedGeometryProcessor; | |
| 36 // Used to check whether fCachedEffect is still valid. | |
| 37 uint32_t fEffectTextureUniqueID; | |
| 38 SkMatrix fLocalMatrix; | |
| 39 | |
| 40 GrBitmapTextContext(GrContext*, SkGpuDevice*, const SkDeviceProperties&); | |
| 41 | |
| 42 bool canDraw(const GrRenderTarget*, const GrClip&, const GrPaint&, | |
| 43 const SkPaint&, const SkMatrix& viewMatrix) override; | |
| 44 | |
| 45 void onDrawText(GrRenderTarget*, const GrClip&, const GrPaint&, const SkPain
t&, | |
| 46 const SkMatrix& viewMatrix, const char text[], size_t byteLe
ngth, | |
| 47 SkScalar x, SkScalar y, const SkIRect& regionClipBounds) ove
rride; | |
| 48 void onDrawPosText(GrRenderTarget*, const GrClip&, const GrPaint&, const SkP
aint&, | |
| 49 const SkMatrix& viewMatrix, | |
| 50 const char text[], size_t byteLength, | |
| 51 const SkScalar pos[], int scalarsPerPosition, | |
| 52 const SkPoint& offset, const SkIRect& regionClipBounds) o
verride; | |
| 53 | |
| 54 void init(GrRenderTarget*, const GrClip&, const GrPaint&, const SkPaint&, | |
| 55 const SkIRect& regionClipBounds); | |
| 56 void appendGlyph(GrGlyph::PackedID, SkFixed left, SkFixed top, GrFontScaler*
); | |
| 57 bool uploadGlyph(GrGlyph*, GrFontScaler*); | |
| 58 void flush(); // automatically called by destructor | |
| 59 void finish(); | |
| 60 }; | |
| 61 | |
| 62 #endif | |
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Chromium Code Reviews
Issue 1104343003:
remove old text contexts and fontcache (Closed)
Base URL: https://skia.googlesource.com/skia.git@master