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1 /* | 1 /* |
2 * Copyright 2006 The Android Open Source Project | 2 * Copyright 2006 The Android Open Source Project |
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 #ifndef SkBitmap_DEFINED | 8 #ifndef SkBitmap_DEFINED |
9 #define SkBitmap_DEFINED | 9 #define SkBitmap_DEFINED |
10 | 10 |
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804 bitmap, and return it (this is the amount to shift matrix iterators | 804 bitmap, and return it (this is the amount to shift matrix iterators |
805 by). If dst is not null, it is set to the correct level. | 805 by). If dst is not null, it is set to the correct level. |
806 */ | 806 */ |
807 int extractMipLevel(SkBitmap* dst, SkFixed sx, SkFixed sy); | 807 int extractMipLevel(SkBitmap* dst, SkFixed sx, SkFixed sy); |
808 bool hasMipMap() const; | 808 bool hasMipMap() const; |
809 void freeMipMap(); | 809 void freeMipMap(); |
810 | 810 |
811 friend struct SkBitmapProcState; | 811 friend struct SkBitmapProcState; |
812 }; | 812 }; |
813 | 813 |
814 class SkAutoLockPixels : public SkNoncopyable { | 814 class SkAutoLockPixels : SkNoncopyable { |
815 public: | 815 public: |
816 SkAutoLockPixels(const SkBitmap& bm, bool doLock = true) : fBitmap(bm) { | 816 SkAutoLockPixels(const SkBitmap& bm, bool doLock = true) : fBitmap(bm) { |
817 fDidLock = doLock; | 817 fDidLock = doLock; |
818 if (doLock) { | 818 if (doLock) { |
819 bm.lockPixels(); | 819 bm.lockPixels(); |
820 } | 820 } |
821 } | 821 } |
822 ~SkAutoLockPixels() { | 822 ~SkAutoLockPixels() { |
823 if (fDidLock) { | 823 if (fDidLock) { |
824 fBitmap.unlockPixels(); | 824 fBitmap.unlockPixels(); |
825 } | 825 } |
826 } | 826 } |
827 | 827 |
828 private: | 828 private: |
829 const SkBitmap& fBitmap; | 829 const SkBitmap& fBitmap; |
830 bool fDidLock; | 830 bool fDidLock; |
831 }; | 831 }; |
832 //TODO(mtklein): uncomment when 71713004 lands and Chromium's fixed. | 832 //TODO(mtklein): uncomment when 71713004 lands and Chromium's fixed. |
833 //#define SkAutoLockPixels(...) SK_REQUIRE_LOCAL_VAR(SkAutoLockPixels) | 833 //#define SkAutoLockPixels(...) SK_REQUIRE_LOCAL_VAR(SkAutoLockPixels) |
834 | 834 |
835 /** Helper class that performs the lock/unlockColors calls on a colortable. | 835 /** Helper class that performs the lock/unlockColors calls on a colortable. |
836 The destructor will call unlockColors(false) if it has a bitmap's colortable | 836 The destructor will call unlockColors(false) if it has a bitmap's colortable |
837 */ | 837 */ |
838 class SkAutoLockColors : public SkNoncopyable { | 838 class SkAutoLockColors : SkNoncopyable { |
839 public: | 839 public: |
840 /** Initialize with no bitmap. Call lockColors(bitmap) to lock bitmap's | 840 /** Initialize with no bitmap. Call lockColors(bitmap) to lock bitmap's |
841 colortable | 841 colortable |
842 */ | 842 */ |
843 SkAutoLockColors() : fCTable(NULL), fColors(NULL) {} | 843 SkAutoLockColors() : fCTable(NULL), fColors(NULL) {} |
844 /** Initialize with bitmap, locking its colortable if present | 844 /** Initialize with bitmap, locking its colortable if present |
845 */ | 845 */ |
846 explicit SkAutoLockColors(const SkBitmap& bm) { | 846 explicit SkAutoLockColors(const SkBitmap& bm) { |
847 fCTable = bm.getColorTable(); | 847 fCTable = bm.getColorTable(); |
848 fColors = fCTable ? fCTable->lockColors() : NULL; | 848 fColors = fCTable ? fCTable->lockColors() : NULL; |
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918 } | 918 } |
919 | 919 |
920 /////////////////////////////////////////////////////////////////////////////// | 920 /////////////////////////////////////////////////////////////////////////////// |
921 // | 921 // |
922 // Helpers until we can fully deprecate SkBitmap::Config | 922 // Helpers until we can fully deprecate SkBitmap::Config |
923 // | 923 // |
924 extern SkBitmap::Config SkColorTypeToBitmapConfig(SkColorType); | 924 extern SkBitmap::Config SkColorTypeToBitmapConfig(SkColorType); |
925 extern SkColorType SkBitmapConfigToColorType(SkBitmap::Config); | 925 extern SkColorType SkBitmapConfigToColorType(SkBitmap::Config); |
926 | 926 |
927 #endif | 927 #endif |
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