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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 #include "SkImage_Base.h" | 8 #include "SkImage_Base.h" |
9 #include "SkBitmap.h" | 9 #include "SkBitmap.h" |
10 #include "SkCanvas.h" | 10 #include "SkCanvas.h" |
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21 , fCache(cache) // take ownership | 21 , fCache(cache) // take ownership |
22 {} | 22 {} |
23 | 23 |
24 bool onReadPixels(const SkImageInfo&, void*, size_t, int srcX, int srcY) con
st override; | 24 bool onReadPixels(const SkImageInfo&, void*, size_t, int srcX, int srcY) con
st override; |
25 const void* onPeekPixels(SkImageInfo*, size_t* /*rowBytes*/) const override; | 25 const void* onPeekPixels(SkImageInfo*, size_t* /*rowBytes*/) const override; |
26 SkData* onRefEncoded() const override; | 26 SkData* onRefEncoded() const override; |
27 bool isOpaque() const override { return fCache->info().isOpaque(); } | 27 bool isOpaque() const override { return fCache->info().isOpaque(); } |
28 SkImage* onNewSubset(const SkIRect&) const override; | 28 SkImage* onNewSubset(const SkIRect&) const override; |
29 bool getROPixels(SkBitmap*) const override; | 29 bool getROPixels(SkBitmap*) const override; |
30 GrTexture* asTextureRef(GrContext*, SkImageUsageType) const override; | 30 GrTexture* asTextureRef(GrContext*, SkImageUsageType) const override; |
| 31 |
| 32 SkShader* onNewShader(SkShader::TileMode, |
| 33 SkShader::TileMode, |
| 34 const SkMatrix* localMatrix) const override; |
| 35 |
31 bool onIsLazyGenerated() const override { return true; } | 36 bool onIsLazyGenerated() const override { return true; } |
32 | 37 |
33 private: | 38 private: |
34 SkAutoTDelete<SkImageCacherator> fCache; | 39 SkAutoTDelete<SkImageCacherator> fCache; |
35 | 40 |
36 typedef SkImage_Base INHERITED; | 41 typedef SkImage_Base INHERITED; |
37 }; | 42 }; |
38 | 43 |
39 /////////////////////////////////////////////////////////////////////////////// | 44 /////////////////////////////////////////////////////////////////////////////// |
40 | 45 |
| 46 SkShader* SkImage_Generator::onNewShader(SkShader::TileMode tileX, SkShader::Til
eMode tileY, |
| 47 const SkMatrix* localMatrix) const { |
| 48 // TODO: need a native Shader that takes Cacherator (or this image) so we ca
n natively return |
| 49 // textures as output from the shader. |
| 50 SkBitmap bm; |
| 51 if (this->getROPixels(&bm)) { |
| 52 return SkShader::CreateBitmapShader(bm, tileX, tileY, localMatrix); |
| 53 } |
| 54 return nullptr; |
| 55 } |
| 56 |
41 bool SkImage_Generator::onReadPixels(const SkImageInfo& dstInfo, void* dstPixels
, size_t dstRB, | 57 bool SkImage_Generator::onReadPixels(const SkImageInfo& dstInfo, void* dstPixels
, size_t dstRB, |
42 int srcX, int srcY) const { | 58 int srcX, int srcY) const { |
43 SkBitmap bm; | 59 SkBitmap bm; |
44 if (this->getROPixels(&bm)) { | 60 if (this->getROPixels(&bm)) { |
45 return bm.readPixels(dstInfo, dstPixels, dstRB, srcX, srcY); | 61 return bm.readPixels(dstInfo, dstPixels, dstRB, srcX, srcY); |
46 } | 62 } |
47 return false; | 63 return false; |
48 } | 64 } |
49 | 65 |
50 const void* SkImage_Generator::onPeekPixels(SkImageInfo* infoPtr, size_t* rowByt
esPtr) const { | 66 const void* SkImage_Generator::onPeekPixels(SkImageInfo* infoPtr, size_t* rowByt
esPtr) const { |
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79 return surface->newImageSnapshot(); | 95 return surface->newImageSnapshot(); |
80 } | 96 } |
81 | 97 |
82 SkImage* SkImage::NewFromGenerator(SkImageGenerator* generator, const SkIRect* s
ubset) { | 98 SkImage* SkImage::NewFromGenerator(SkImageGenerator* generator, const SkIRect* s
ubset) { |
83 SkImageCacherator* cache = SkImageCacherator::NewFromGenerator(generator, su
bset); | 99 SkImageCacherator* cache = SkImageCacherator::NewFromGenerator(generator, su
bset); |
84 if (!cache) { | 100 if (!cache) { |
85 return nullptr; | 101 return nullptr; |
86 } | 102 } |
87 return new SkImage_Generator(cache); | 103 return new SkImage_Generator(cache); |
88 } | 104 } |
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