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1 /* | 1 /* |
2 * Copyright 2012 Google Inc. | 2 * Copyright 2012 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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73 SkData* onRefEncoded() const override; | 73 SkData* onRefEncoded() const override; |
74 bool getROPixels(SkBitmap*) const override; | 74 bool getROPixels(SkBitmap*) const override; |
75 GrTexture* asTextureRef(GrContext*, SkImageUsageType) const override; | 75 GrTexture* asTextureRef(GrContext*, SkImageUsageType) const override; |
76 | 76 |
77 // exposed for SkSurface_Raster via SkNewImageFromPixelRef | 77 // exposed for SkSurface_Raster via SkNewImageFromPixelRef |
78 SkImage_Raster(const SkImageInfo&, SkPixelRef*, const SkIPoint& pixelRefOrig
in, size_t rowBytes, | 78 SkImage_Raster(const SkImageInfo&, SkPixelRef*, const SkIPoint& pixelRefOrig
in, size_t rowBytes, |
79 const SkSurfaceProps*); | 79 const SkSurfaceProps*); |
80 | 80 |
81 SkPixelRef* getPixelRef() const { return fBitmap.pixelRef(); } | 81 SkPixelRef* getPixelRef() const { return fBitmap.pixelRef(); } |
82 | 82 |
83 SkShader* onNewShader(SkShader::TileMode, | |
84 SkShader::TileMode, | |
85 const SkMatrix* localMatrix) const override; | |
86 | |
87 bool isOpaque() const override; | 83 bool isOpaque() const override; |
88 bool onAsLegacyBitmap(SkBitmap*, LegacyBitmapMode) const override; | 84 bool onAsLegacyBitmap(SkBitmap*, LegacyBitmapMode) const override; |
89 | 85 |
90 SkImage_Raster(const SkBitmap& bm, const SkSurfaceProps* props) | 86 SkImage_Raster(const SkBitmap& bm, const SkSurfaceProps* props) |
91 : INHERITED(bm.width(), bm.height(), bm.getGenerationID(), props) | 87 : INHERITED(bm.width(), bm.height(), bm.getGenerationID(), props) |
92 , fBitmap(bm) | 88 , fBitmap(bm) |
93 { | 89 { |
94 if (bm.pixelRef()->isPreLocked()) { | 90 if (bm.pixelRef()->isPreLocked()) { |
95 // we only preemptively lock if there is no chance of triggering som
ething expensive | 91 // we only preemptively lock if there is no chance of triggering som
ething expensive |
96 // like a lazy decode or imagegenerator. PreLocked means it is flat
pixels already. | 92 // like a lazy decode or imagegenerator. PreLocked means it is flat
pixels already. |
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137 : INHERITED(info.width(), info.height(), pr->getGenerationID(), props) | 133 : INHERITED(info.width(), info.height(), pr->getGenerationID(), props) |
138 { | 134 { |
139 fBitmap.setInfo(info, rowBytes); | 135 fBitmap.setInfo(info, rowBytes); |
140 fBitmap.setPixelRef(pr, pixelRefOrigin); | 136 fBitmap.setPixelRef(pr, pixelRefOrigin); |
141 fBitmap.lockPixels(); | 137 fBitmap.lockPixels(); |
142 SkASSERT(fBitmap.isImmutable()); | 138 SkASSERT(fBitmap.isImmutable()); |
143 } | 139 } |
144 | 140 |
145 SkImage_Raster::~SkImage_Raster() {} | 141 SkImage_Raster::~SkImage_Raster() {} |
146 | 142 |
147 SkShader* SkImage_Raster::onNewShader(SkShader::TileMode tileX, SkShader::TileMo
de tileY, | |
148 const SkMatrix* localMatrix) const { | |
149 return SkShader::CreateBitmapShader(fBitmap, tileX, tileY, localMatrix); | |
150 } | |
151 | |
152 SkSurface* SkImage_Raster::onNewSurface(const SkImageInfo& info, const SkSurface
Props& props) const { | 143 SkSurface* SkImage_Raster::onNewSurface(const SkImageInfo& info, const SkSurface
Props& props) const { |
153 return SkSurface::NewRaster(info, &props); | 144 return SkSurface::NewRaster(info, &props); |
154 } | 145 } |
155 | 146 |
156 bool SkImage_Raster::onReadPixels(const SkImageInfo& dstInfo, void* dstPixels, s
ize_t dstRowBytes, | 147 bool SkImage_Raster::onReadPixels(const SkImageInfo& dstInfo, void* dstPixels, s
ize_t dstRowBytes, |
157 int srcX, int srcY) const { | 148 int srcX, int srcY) const { |
158 SkBitmap shallowCopy(fBitmap); | 149 SkBitmap shallowCopy(fBitmap); |
159 return shallowCopy.readPixels(dstInfo, dstPixels, dstRowBytes, srcX, srcY); | 150 return shallowCopy.readPixels(dstInfo, dstPixels, dstRowBytes, srcX, srcY); |
160 } | 151 } |
161 | 152 |
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305 // pixelref since the caller might call setImmutable() themselves | 296 // pixelref since the caller might call setImmutable() themselves |
306 // (thus changing our state). | 297 // (thus changing our state). |
307 if (fBitmap.isImmutable()) { | 298 if (fBitmap.isImmutable()) { |
308 bitmap->setInfo(fBitmap.info(), fBitmap.rowBytes()); | 299 bitmap->setInfo(fBitmap.info(), fBitmap.rowBytes()); |
309 bitmap->setPixelRef(fBitmap.pixelRef(), fBitmap.pixelRefOrigin()); | 300 bitmap->setPixelRef(fBitmap.pixelRef(), fBitmap.pixelRefOrigin()); |
310 return true; | 301 return true; |
311 } | 302 } |
312 } | 303 } |
313 return this->INHERITED::onAsLegacyBitmap(bitmap, mode); | 304 return this->INHERITED::onAsLegacyBitmap(bitmap, mode); |
314 } | 305 } |
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