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1 | 1 |
2 /* | 2 /* |
3 * Copyright 2008 The Android Open Source Project | 3 * Copyright 2008 The Android Open Source Project |
4 * | 4 * |
5 * Use of this source code is governed by a BSD-style license that can be | 5 * Use of this source code is governed by a BSD-style license that can be |
6 * found in the LICENSE file. | 6 * found in the LICENSE file. |
7 */ | 7 */ |
8 | 8 |
9 | 9 |
10 #include "SkBitmap.h" | 10 #include "SkBitmap.h" |
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823 } | 823 } |
824 | 824 |
825 SkIRect srcRect, r; | 825 SkIRect srcRect, r; |
826 srcRect.set(0, 0, this->width(), this->height()); | 826 srcRect.set(0, 0, this->width(), this->height()); |
827 if (!r.intersect(srcRect, subset)) { | 827 if (!r.intersect(srcRect, subset)) { |
828 return false; // r is empty (i.e. no intersection) | 828 return false; // r is empty (i.e. no intersection) |
829 } | 829 } |
830 | 830 |
831 if (fPixelRef->getTexture() != NULL) { | 831 if (fPixelRef->getTexture() != NULL) { |
832 // Do a deep copy | 832 // Do a deep copy |
833 SkPixelRef* pixelRef = fPixelRef->deepCopy(this->config(), &subset); | 833 SkPixelRef* pixelRef = fPixelRef->deepCopy(this->colorType(), &subset); |
834 if (pixelRef != NULL) { | 834 if (pixelRef != NULL) { |
835 SkBitmap dst; | 835 SkBitmap dst; |
836 dst.setInfo(SkImageInfo::Make(subset.width(), subset.height(), | 836 dst.setInfo(SkImageInfo::Make(subset.width(), subset.height(), |
837 this->colorType(), this->alphaType()))
; | 837 this->colorType(), this->alphaType()))
; |
838 dst.setIsVolatile(this->isVolatile()); | 838 dst.setIsVolatile(this->isVolatile()); |
839 dst.setPixelRef(pixelRef)->unref(); | 839 dst.setPixelRef(pixelRef)->unref(); |
840 SkDEBUGCODE(dst.validate()); | 840 SkDEBUGCODE(dst.validate()); |
841 result->swap(dst); | 841 result->swap(dst); |
842 return true; | 842 return true; |
843 } | 843 } |
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1024 | 1024 |
1025 paint.setDither(true); | 1025 paint.setDither(true); |
1026 canvas.drawBitmap(*src, 0, 0, &paint); | 1026 canvas.drawBitmap(*src, 0, 0, &paint); |
1027 } | 1027 } |
1028 | 1028 |
1029 dst->swap(tmpDst); | 1029 dst->swap(tmpDst); |
1030 return true; | 1030 return true; |
1031 } | 1031 } |
1032 | 1032 |
1033 bool SkBitmap::deepCopyTo(SkBitmap* dst) const { | 1033 bool SkBitmap::deepCopyTo(SkBitmap* dst) const { |
1034 const SkBitmap::Config dstConfig = this->config(); | 1034 const SkColorType dstCT = this->colorType(); |
1035 const SkColorType dstCT = SkBitmapConfigToColorType(dstConfig); | |
1036 | 1035 |
1037 if (!this->canCopyTo(dstCT)) { | 1036 if (!this->canCopyTo(dstCT)) { |
1038 return false; | 1037 return false; |
1039 } | 1038 } |
1040 | 1039 |
1041 // If we have a PixelRef, and it supports deep copy, use it. | 1040 // If we have a PixelRef, and it supports deep copy, use it. |
1042 // Currently supported only by texture-backed bitmaps. | 1041 // Currently supported only by texture-backed bitmaps. |
1043 if (fPixelRef) { | 1042 if (fPixelRef) { |
1044 SkPixelRef* pixelRef = fPixelRef->deepCopy(dstConfig); | 1043 SkPixelRef* pixelRef = fPixelRef->deepCopy(dstCT, NULL); |
1045 if (pixelRef) { | 1044 if (pixelRef) { |
1046 uint32_t rowBytes; | 1045 uint32_t rowBytes; |
1047 if (this->colorType() == dstCT) { | 1046 if (this->colorType() == dstCT) { |
1048 // Since there is no subset to pass to deepCopy, and deepCopy | 1047 // Since there is no subset to pass to deepCopy, and deepCopy |
1049 // succeeded, the new pixel ref must be identical. | 1048 // succeeded, the new pixel ref must be identical. |
1050 SkASSERT(fPixelRef->info() == pixelRef->info()); | 1049 SkASSERT(fPixelRef->info() == pixelRef->info()); |
1051 pixelRef->cloneGenID(*fPixelRef); | 1050 pixelRef->cloneGenID(*fPixelRef); |
1052 // Use the same rowBytes as the original. | 1051 // Use the same rowBytes as the original. |
1053 rowBytes = fRowBytes; | 1052 rowBytes = fRowBytes; |
1054 } else { | 1053 } else { |
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1427 /////////////////////////////////////////////////////////////////////////////// | 1426 /////////////////////////////////////////////////////////////////////////////// |
1428 | 1427 |
1429 #ifdef SK_DEBUG | 1428 #ifdef SK_DEBUG |
1430 void SkImageInfo::validate() const { | 1429 void SkImageInfo::validate() const { |
1431 SkASSERT(fWidth >= 0); | 1430 SkASSERT(fWidth >= 0); |
1432 SkASSERT(fHeight >= 0); | 1431 SkASSERT(fHeight >= 0); |
1433 SkASSERT(SkColorTypeIsValid(fColorType)); | 1432 SkASSERT(SkColorTypeIsValid(fColorType)); |
1434 SkASSERT(SkAlphaTypeIsValid(fAlphaType)); | 1433 SkASSERT(SkAlphaTypeIsValid(fAlphaType)); |
1435 } | 1434 } |
1436 #endif | 1435 #endif |
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