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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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75 | 75 |
76 // exposed for SkSurface_Raster via SkNewImageFromPixelRef | 76 // exposed for SkSurface_Raster via SkNewImageFromPixelRef |
77 SkImage_Raster(const SkImageInfo&, SkPixelRef*, const SkIPoint& origin, size
_t rowBytes); | 77 SkImage_Raster(const SkImageInfo&, SkPixelRef*, const SkIPoint& origin, size
_t rowBytes); |
78 | 78 |
79 SkPixelRef* getPixelRef() const { return fBitmap.pixelRef(); } | 79 SkPixelRef* getPixelRef() const { return fBitmap.pixelRef(); } |
80 | 80 |
81 bool isOpaque() const override; | 81 bool isOpaque() const override; |
82 bool onAsLegacyBitmap(SkBitmap*, LegacyBitmapMode) const override; | 82 bool onAsLegacyBitmap(SkBitmap*, LegacyBitmapMode) const override; |
83 | 83 |
84 SkImage_Raster(const SkBitmap& bm) | 84 SkImage_Raster(const SkBitmap& bm) |
85 : INHERITED(bm.width(), bm.height(), bm.getGenerationID()) | 85 : INHERITED(bm.width(), bm.height(), |
| 86 bm.pixelRefOrigin().isZero() |
| 87 ? bm.getGenerationID() |
| 88 : (uint32_t)kNeedNewImageUniqueID) |
86 , fBitmap(bm) | 89 , fBitmap(bm) |
87 { | 90 { |
88 if (bm.pixelRef()->isPreLocked()) { | 91 if (bm.pixelRef()->isPreLocked()) { |
89 // we only preemptively lock if there is no chance of triggering som
ething expensive | 92 // we only preemptively lock if there is no chance of triggering som
ething expensive |
90 // like a lazy decode or imagegenerator. PreLocked means it is flat
pixels already. | 93 // like a lazy decode or imagegenerator. PreLocked means it is flat
pixels already. |
91 fBitmap.lockPixels(); | 94 fBitmap.lockPixels(); |
92 } | 95 } |
93 SkASSERT(fBitmap.isImmutable()); | 96 SkASSERT(fBitmap.isImmutable()); |
94 } | 97 } |
95 | 98 |
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278 // pixelref since the caller might call setImmutable() themselves | 281 // pixelref since the caller might call setImmutable() themselves |
279 // (thus changing our state). | 282 // (thus changing our state). |
280 if (fBitmap.isImmutable()) { | 283 if (fBitmap.isImmutable()) { |
281 bitmap->setInfo(fBitmap.info(), fBitmap.rowBytes()); | 284 bitmap->setInfo(fBitmap.info(), fBitmap.rowBytes()); |
282 bitmap->setPixelRef(fBitmap.pixelRef(), fBitmap.pixelRefOrigin()); | 285 bitmap->setPixelRef(fBitmap.pixelRef(), fBitmap.pixelRefOrigin()); |
283 return true; | 286 return true; |
284 } | 287 } |
285 } | 288 } |
286 return this->INHERITED::onAsLegacyBitmap(bitmap, mode); | 289 return this->INHERITED::onAsLegacyBitmap(bitmap, mode); |
287 } | 290 } |
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