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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" |
| (...skipping 21 matching lines...) Expand all Loading... |
| 32 } | 32 } |
| 33 if ((unsigned)info.alphaType() > (unsigned)kLastEnum_SkAlphaType) { | 33 if ((unsigned)info.alphaType() > (unsigned)kLastEnum_SkAlphaType) { |
| 34 return false; | 34 return false; |
| 35 } | 35 } |
| 36 | 36 |
| 37 if (kUnknown_SkColorType == info.colorType()) { | 37 if (kUnknown_SkColorType == info.colorType()) { |
| 38 return false; | 38 return false; |
| 39 } | 39 } |
| 40 | 40 |
| 41 const bool needsCT = kIndex_8_SkColorType == info.colorType(); | 41 const bool needsCT = kIndex_8_SkColorType == info.colorType(); |
| 42 const bool hasCT = NULL != ctable; | 42 const bool hasCT = nullptr != ctable; |
| 43 if (needsCT != hasCT) { | 43 if (needsCT != hasCT) { |
| 44 return false; | 44 return false; |
| 45 } | 45 } |
| 46 | 46 |
| 47 if (rowBytes < SkImageMinRowBytes(info)) { | 47 if (rowBytes < SkImageMinRowBytes(info)) { |
| 48 return false; | 48 return false; |
| 49 } | 49 } |
| 50 | 50 |
| 51 size_t size = info.getSafeSize(rowBytes); | 51 size_t size = info.getSafeSize(rowBytes); |
| 52 if (0 == size) { | 52 if (0 == size) { |
| (...skipping 38 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 91 fBitmap.lockPixels(); | 91 fBitmap.lockPixels(); |
| 92 } | 92 } |
| 93 SkASSERT(fBitmap.isImmutable()); | 93 SkASSERT(fBitmap.isImmutable()); |
| 94 } | 94 } |
| 95 | 95 |
| 96 bool onIsLazyGenerated() const override { | 96 bool onIsLazyGenerated() const override { |
| 97 return fBitmap.pixelRef() && fBitmap.pixelRef()->isLazyGenerated(); | 97 return fBitmap.pixelRef() && fBitmap.pixelRef()->isLazyGenerated(); |
| 98 } | 98 } |
| 99 | 99 |
| 100 private: | 100 private: |
| 101 SkImage_Raster() : INHERITED(0, 0, kNeedNewImageUniqueID, NULL) { | 101 SkImage_Raster() : INHERITED(0, 0, kNeedNewImageUniqueID, nullptr) { |
| 102 fBitmap.setImmutable(); | 102 fBitmap.setImmutable(); |
| 103 } | 103 } |
| 104 | 104 |
| 105 SkBitmap fBitmap; | 105 SkBitmap fBitmap; |
| 106 | 106 |
| 107 typedef SkImage_Base INHERITED; | 107 typedef SkImage_Base INHERITED; |
| 108 }; | 108 }; |
| 109 | 109 |
| 110 /////////////////////////////////////////////////////////////////////////////// | 110 /////////////////////////////////////////////////////////////////////////////// |
| 111 | 111 |
| (...skipping 37 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 149 | 149 |
| 150 bool SkImage_Raster::onReadPixels(const SkImageInfo& dstInfo, void* dstPixels, s
ize_t dstRowBytes, | 150 bool SkImage_Raster::onReadPixels(const SkImageInfo& dstInfo, void* dstPixels, s
ize_t dstRowBytes, |
| 151 int srcX, int srcY) const { | 151 int srcX, int srcY) const { |
| 152 SkBitmap shallowCopy(fBitmap); | 152 SkBitmap shallowCopy(fBitmap); |
| 153 return shallowCopy.readPixels(dstInfo, dstPixels, dstRowBytes, srcX, srcY); | 153 return shallowCopy.readPixels(dstInfo, dstPixels, dstRowBytes, srcX, srcY); |
| 154 } | 154 } |
| 155 | 155 |
| 156 const void* SkImage_Raster::onPeekPixels(SkImageInfo* infoPtr, size_t* rowBytesP
tr) const { | 156 const void* SkImage_Raster::onPeekPixels(SkImageInfo* infoPtr, size_t* rowBytesP
tr) const { |
| 157 const SkImageInfo info = fBitmap.info(); | 157 const SkImageInfo info = fBitmap.info(); |
| 158 if ((kUnknown_SkColorType == info.colorType()) || !fBitmap.getPixels()) { | 158 if ((kUnknown_SkColorType == info.colorType()) || !fBitmap.getPixels()) { |
| 159 return NULL; | 159 return nullptr; |
| 160 } | 160 } |
| 161 *infoPtr = info; | 161 *infoPtr = info; |
| 162 *rowBytesPtr = fBitmap.rowBytes(); | 162 *rowBytesPtr = fBitmap.rowBytes(); |
| 163 return fBitmap.getPixels(); | 163 return fBitmap.getPixels(); |
| 164 } | 164 } |
| 165 | 165 |
| 166 SkData* SkImage_Raster::onRefEncoded() const { | 166 SkData* SkImage_Raster::onRefEncoded() const { |
| 167 SkPixelRef* pr = fBitmap.pixelRef(); | 167 SkPixelRef* pr = fBitmap.pixelRef(); |
| 168 const SkImageInfo prInfo = pr->info(); | 168 const SkImageInfo prInfo = pr->info(); |
| 169 const SkImageInfo bmInfo = fBitmap.info(); | 169 const SkImageInfo bmInfo = fBitmap.info(); |
| 170 | 170 |
| 171 // we only try if we (the image) cover the entire area of the pixelRef | 171 // we only try if we (the image) cover the entire area of the pixelRef |
| 172 if (prInfo.width() == bmInfo.width() && prInfo.height() == bmInfo.height())
{ | 172 if (prInfo.width() == bmInfo.width() && prInfo.height() == bmInfo.height())
{ |
| 173 return pr->refEncodedData(); | 173 return pr->refEncodedData(); |
| 174 } | 174 } |
| 175 return NULL; | 175 return nullptr; |
| 176 } | 176 } |
| 177 | 177 |
| 178 bool SkImage_Raster::getROPixels(SkBitmap* dst) const { | 178 bool SkImage_Raster::getROPixels(SkBitmap* dst) const { |
| 179 *dst = fBitmap; | 179 *dst = fBitmap; |
| 180 return true; | 180 return true; |
| 181 } | 181 } |
| 182 | 182 |
| 183 /////////////////////////////////////////////////////////////////////////////// | 183 /////////////////////////////////////////////////////////////////////////////// |
| 184 | 184 |
| 185 SkImage* SkImage::NewRasterCopy(const SkImageInfo& info, const void* pixels, siz
e_t rowBytes, | 185 SkImage* SkImage::NewRasterCopy(const SkImageInfo& info, const void* pixels, siz
e_t rowBytes, |
| 186 SkColorTable* ctable) { | 186 SkColorTable* ctable) { |
| 187 size_t size; | 187 size_t size; |
| 188 if (!SkImage_Raster::ValidArgs(info, rowBytes, ctable, &size) || !pixels) { | 188 if (!SkImage_Raster::ValidArgs(info, rowBytes, ctable, &size) || !pixels) { |
| 189 return NULL; | 189 return nullptr; |
| 190 } | 190 } |
| 191 | 191 |
| 192 // Here we actually make a copy of the caller's pixel data | 192 // Here we actually make a copy of the caller's pixel data |
| 193 SkAutoDataUnref data(SkData::NewWithCopy(pixels, size)); | 193 SkAutoDataUnref data(SkData::NewWithCopy(pixels, size)); |
| 194 return new SkImage_Raster(info, data, rowBytes, ctable, NULL); | 194 return new SkImage_Raster(info, data, rowBytes, ctable, nullptr); |
| 195 } | 195 } |
| 196 | 196 |
| 197 | 197 |
| 198 SkImage* SkImage::NewRasterData(const SkImageInfo& info, SkData* data, size_t ro
wBytes) { | 198 SkImage* SkImage::NewRasterData(const SkImageInfo& info, SkData* data, size_t ro
wBytes) { |
| 199 size_t size; | 199 size_t size; |
| 200 if (!SkImage_Raster::ValidArgs(info, rowBytes, NULL, &size) || !data) { | 200 if (!SkImage_Raster::ValidArgs(info, rowBytes, nullptr, &size) || !data) { |
| 201 return NULL; | 201 return nullptr; |
| 202 } | 202 } |
| 203 | 203 |
| 204 // did they give us enough data? | 204 // did they give us enough data? |
| 205 if (data->size() < size) { | 205 if (data->size() < size) { |
| 206 return NULL; | 206 return nullptr; |
| 207 } | 207 } |
| 208 | 208 |
| 209 SkColorTable* ctable = NULL; | 209 SkColorTable* ctable = nullptr; |
| 210 return new SkImage_Raster(info, data, rowBytes, ctable, NULL); | 210 return new SkImage_Raster(info, data, rowBytes, ctable, nullptr); |
| 211 } | 211 } |
| 212 | 212 |
| 213 SkImage* SkImage::NewFromRaster(const SkImageInfo& info, const void* pixels, siz
e_t rowBytes, | 213 SkImage* SkImage::NewFromRaster(const SkImageInfo& info, const void* pixels, siz
e_t rowBytes, |
| 214 RasterReleaseProc proc, ReleaseContext ctx) { | 214 RasterReleaseProc proc, ReleaseContext ctx) { |
| 215 size_t size; | 215 size_t size; |
| 216 if (!SkImage_Raster::ValidArgs(info, rowBytes, NULL, &size) || !pixels) { | 216 if (!SkImage_Raster::ValidArgs(info, rowBytes, nullptr, &size) || !pixels) { |
| 217 return NULL; | 217 return nullptr; |
| 218 } | 218 } |
| 219 | 219 |
| 220 SkColorTable* ctable = NULL; | 220 SkColorTable* ctable = nullptr; |
| 221 SkAutoDataUnref data(SkData::NewWithProc(pixels, size, proc, ctx)); | 221 SkAutoDataUnref data(SkData::NewWithProc(pixels, size, proc, ctx)); |
| 222 return new SkImage_Raster(info, data, rowBytes, ctable, NULL); | 222 return new SkImage_Raster(info, data, rowBytes, ctable, nullptr); |
| 223 } | 223 } |
| 224 | 224 |
| 225 SkImage* SkImage::NewFromGenerator(SkImageGenerator* generator, const SkIRect* s
ubset) { | 225 SkImage* SkImage::NewFromGenerator(SkImageGenerator* generator, const SkIRect* s
ubset) { |
| 226 SkBitmap bitmap; | 226 SkBitmap bitmap; |
| 227 if (!SkInstallDiscardablePixelRef(generator, subset, &bitmap, NULL)) { | 227 if (!SkInstallDiscardablePixelRef(generator, subset, &bitmap, nullptr)) { |
| 228 return NULL; | 228 return nullptr; |
| 229 } | 229 } |
| 230 if (0 == bitmap.width() || 0 == bitmap.height()) { | 230 if (0 == bitmap.width() || 0 == bitmap.height()) { |
| 231 return NULL; | 231 return nullptr; |
| 232 } | 232 } |
| 233 | 233 |
| 234 return new SkImage_Raster(bitmap, NULL); | 234 return new SkImage_Raster(bitmap, nullptr); |
| 235 } | 235 } |
| 236 | 236 |
| 237 SkImage* SkNewImageFromPixelRef(const SkImageInfo& info, SkPixelRef* pr, | 237 SkImage* SkNewImageFromPixelRef(const SkImageInfo& info, SkPixelRef* pr, |
| 238 const SkIPoint& pixelRefOrigin, size_t rowBytes, | 238 const SkIPoint& pixelRefOrigin, size_t rowBytes, |
| 239 const SkSurfaceProps* props) { | 239 const SkSurfaceProps* props) { |
| 240 if (!SkImage_Raster::ValidArgs(info, rowBytes, NULL, NULL)) { | 240 if (!SkImage_Raster::ValidArgs(info, rowBytes, nullptr, nullptr)) { |
| 241 return NULL; | 241 return nullptr; |
| 242 } | 242 } |
| 243 return new SkImage_Raster(info, pr, pixelRefOrigin, rowBytes, props); | 243 return new SkImage_Raster(info, pr, pixelRefOrigin, rowBytes, props); |
| 244 } | 244 } |
| 245 | 245 |
| 246 SkImage* SkNewImageFromRasterBitmap(const SkBitmap& bm, const SkSurfaceProps* pr
ops, | 246 SkImage* SkNewImageFromRasterBitmap(const SkBitmap& bm, const SkSurfaceProps* pr
ops, |
| 247 ForceCopyMode forceCopy) { | 247 ForceCopyMode forceCopy) { |
| 248 SkASSERT(NULL == bm.getTexture()); | 248 SkASSERT(nullptr == bm.getTexture()); |
| 249 | 249 |
| 250 if (!SkImage_Raster::ValidArgs(bm.info(), bm.rowBytes(), NULL, NULL)) { | 250 if (!SkImage_Raster::ValidArgs(bm.info(), bm.rowBytes(), nullptr, nullptr))
{ |
| 251 return NULL; | 251 return nullptr; |
| 252 } | 252 } |
| 253 | 253 |
| 254 SkImage* image = NULL; | 254 SkImage* image = nullptr; |
| 255 if (kYes_ForceCopyMode == forceCopy || !bm.isImmutable()) { | 255 if (kYes_ForceCopyMode == forceCopy || !bm.isImmutable()) { |
| 256 SkBitmap tmp(bm); | 256 SkBitmap tmp(bm); |
| 257 tmp.lockPixels(); | 257 tmp.lockPixels(); |
| 258 if (tmp.getPixels()) { | 258 if (tmp.getPixels()) { |
| 259 image = SkImage::NewRasterCopy(tmp.info(), tmp.getPixels(), tmp.rowB
ytes(), | 259 image = SkImage::NewRasterCopy(tmp.info(), tmp.getPixels(), tmp.rowB
ytes(), |
| 260 tmp.getColorTable()); | 260 tmp.getColorTable()); |
| 261 } | 261 } |
| 262 | 262 |
| 263 // we don't expose props to NewRasterCopy (need a private vers) so post-
init it here | 263 // we don't expose props to NewRasterCopy (need a private vers) so post-
init it here |
| 264 if (image && props) { | 264 if (image && props) { |
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| 285 // pixelref since the caller might call setImmutable() themselves | 285 // pixelref since the caller might call setImmutable() themselves |
| 286 // (thus changing our state). | 286 // (thus changing our state). |
| 287 if (fBitmap.isImmutable()) { | 287 if (fBitmap.isImmutable()) { |
| 288 bitmap->setInfo(fBitmap.info(), fBitmap.rowBytes()); | 288 bitmap->setInfo(fBitmap.info(), fBitmap.rowBytes()); |
| 289 bitmap->setPixelRef(fBitmap.pixelRef(), fBitmap.pixelRefOrigin()); | 289 bitmap->setPixelRef(fBitmap.pixelRef(), fBitmap.pixelRefOrigin()); |
| 290 return true; | 290 return true; |
| 291 } | 291 } |
| 292 } | 292 } |
| 293 return this->INHERITED::onAsLegacyBitmap(bitmap, mode); | 293 return this->INHERITED::onAsLegacyBitmap(bitmap, mode); |
| 294 } | 294 } |
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