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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 173 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 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 NULL; |
| 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 SkNEW_ARGS(SkImage_Raster, (info, data, rowBytes, ctable, NULL)); | 194 return new SkImage_Raster(info, data, rowBytes, ctable, NULL); |
| 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, NULL, &size) || !data) { |
| 201 return NULL; | 201 return NULL; |
| 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 NULL; |
| 207 } | 207 } |
| 208 | 208 |
| 209 SkColorTable* ctable = NULL; | 209 SkColorTable* ctable = NULL; |
| 210 return SkNEW_ARGS(SkImage_Raster, (info, data, rowBytes, ctable, NULL)); | 210 return new SkImage_Raster(info, data, rowBytes, ctable, NULL); |
| 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, NULL, &size) || !pixels) { |
| 217 return NULL; | 217 return NULL; |
| 218 } | 218 } |
| 219 | 219 |
| 220 SkColorTable* ctable = NULL; | 220 SkColorTable* ctable = NULL; |
| 221 SkAutoDataUnref data(SkData::NewWithProc(pixels, size, proc, ctx)); | 221 SkAutoDataUnref data(SkData::NewWithProc(pixels, size, proc, ctx)); |
| 222 return SkNEW_ARGS(SkImage_Raster, (info, data, rowBytes, ctable, NULL)); | 222 return new SkImage_Raster(info, data, rowBytes, ctable, NULL); |
| 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, NULL)) { |
| 228 return NULL; | 228 return NULL; |
| 229 } | 229 } |
| 230 if (0 == bitmap.width() || 0 == bitmap.height()) { | 230 if (0 == bitmap.width() || 0 == bitmap.height()) { |
| 231 return NULL; | 231 return NULL; |
| 232 } | 232 } |
| 233 | 233 |
| 234 return SkNEW_ARGS(SkImage_Raster, (bitmap, NULL)); | 234 return new SkImage_Raster(bitmap, NULL); |
| 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, NULL, NULL)) { |
| 241 return NULL; | 241 return NULL; |
| 242 } | 242 } |
| 243 return SkNEW_ARGS(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(NULL == bm.getTexture()); |
| 249 | 249 |
| 250 if (!SkImage_Raster::ValidArgs(bm.info(), bm.rowBytes(), NULL, NULL)) { | 250 if (!SkImage_Raster::ValidArgs(bm.info(), bm.rowBytes(), NULL, NULL)) { |
| 251 return NULL; | 251 return NULL; |
| 252 } | 252 } |
| 253 | 253 |
| 254 SkImage* image = NULL; | 254 SkImage* image = NULL; |
| 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) { |
| 265 as_IB(image)->initWithProps(*props); | 265 as_IB(image)->initWithProps(*props); |
| 266 } | 266 } |
| 267 } else { | 267 } else { |
| 268 image = SkNEW_ARGS(SkImage_Raster, (bm, props)); | 268 image = new SkImage_Raster(bm, props); |
| 269 } | 269 } |
| 270 return image; | 270 return image; |
| 271 } | 271 } |
| 272 | 272 |
| 273 const SkPixelRef* SkBitmapImageGetPixelRef(const SkImage* image) { | 273 const SkPixelRef* SkBitmapImageGetPixelRef(const SkImage* image) { |
| 274 return ((const SkImage_Raster*)image)->getPixelRef(); | 274 return ((const SkImage_Raster*)image)->getPixelRef(); |
| 275 } | 275 } |
| 276 | 276 |
| 277 bool SkImage_Raster::isOpaque() const { | 277 bool SkImage_Raster::isOpaque() const { |
| 278 return fBitmap.isOpaque(); | 278 return fBitmap.isOpaque(); |
| 279 } | 279 } |
| 280 | 280 |
| 281 bool SkImage_Raster::onAsLegacyBitmap(SkBitmap* bitmap, LegacyBitmapMode mode) c
onst { | 281 bool SkImage_Raster::onAsLegacyBitmap(SkBitmap* bitmap, LegacyBitmapMode mode) c
onst { |
| 282 if (kRO_LegacyBitmapMode == mode) { | 282 if (kRO_LegacyBitmapMode == mode) { |
| 283 // When we're a snapshot from a surface, our bitmap may not be marked im
mutable | 283 // When we're a snapshot from a surface, our bitmap may not be marked im
mutable |
| 284 // even though logically always we are, but in that case we can't physic
ally share our | 284 // even though logically always we are, but in that case we can't physic
ally share our |
| 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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