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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 "SkCanvas.h" | 10 #include "SkCanvas.h" |
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693 tmp.setConfig(SkBitmap::kARGB_8888_Config, bounds.width(), | 693 tmp.setConfig(SkBitmap::kARGB_8888_Config, bounds.width(), |
694 bounds.height()); | 694 bounds.height()); |
695 if (this->readPixels(&tmp, bounds.fLeft, bounds.fTop)) { | 695 if (this->readPixels(&tmp, bounds.fLeft, bounds.fTop)) { |
696 bitmap->swap(tmp); | 696 bitmap->swap(tmp); |
697 return true; | 697 return true; |
698 } else { | 698 } else { |
699 return false; | 699 return false; |
700 } | 700 } |
701 } | 701 } |
702 | 702 |
703 #ifdef SK_SUPPORT_LEGACY_WRITEPIXELSCONFIG | |
704 void SkCanvas::writePixels(const SkBitmap& bitmap, int x, int y, | |
705 Config8888 config8888) { | |
706 SkBaseDevice* device = this->getDevice(); | |
707 if (device) { | |
708 if (SkIRect::Intersects(SkIRect::MakeSize(this->getDeviceSize()), | |
709 SkIRect::MakeXYWH(x, y, bitmap.width(), bitmap.h
eight()))) { | |
710 device->accessBitmap(true); | |
711 device->writePixels(bitmap, x, y, config8888); | |
712 } | |
713 } | |
714 } | |
715 #endif | |
716 | |
717 bool SkCanvas::writePixels(const SkBitmap& bitmap, int x, int y) { | 703 bool SkCanvas::writePixels(const SkBitmap& bitmap, int x, int y) { |
718 if (bitmap.getTexture()) { | 704 if (bitmap.getTexture()) { |
719 return false; | 705 return false; |
720 } | 706 } |
721 SkBitmap bm(bitmap); | 707 SkBitmap bm(bitmap); |
722 bm.lockPixels(); | 708 bm.lockPixels(); |
723 if (bm.getPixels()) { | 709 if (bm.getPixels()) { |
724 return this->writePixels(bm.info(), bm.getPixels(), bm.rowBytes(), x, y)
; | 710 return this->writePixels(bm.info(), bm.getPixels(), bm.rowBytes(), x, y)
; |
725 } | 711 } |
726 return false; | 712 return false; |
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759 if (x > 0) { | 745 if (x > 0) { |
760 x = 0; | 746 x = 0; |
761 } | 747 } |
762 if (y > 0) { | 748 if (y > 0) { |
763 y = 0; | 749 y = 0; |
764 } | 750 } |
765 // here x,y are either 0 or negative | 751 // here x,y are either 0 or negative |
766 pixels = ((const char*)pixels - y * rowBytes - x * info.bytesPerPixel()); | 752 pixels = ((const char*)pixels - y * rowBytes - x * info.bytesPerPixel()); |
767 | 753 |
768 // The device can assert that the requested area is always contained in its
bounds | 754 // The device can assert that the requested area is always contained in its
bounds |
769 return device->writePixelsDirect(info, pixels, rowBytes, target.x(), target.
y()); | 755 return device->writePixels(info, pixels, rowBytes, target.x(), target.y()); |
770 } | 756 } |
771 | 757 |
772 SkCanvas* SkCanvas::canvasForDrawIter() { | 758 SkCanvas* SkCanvas::canvasForDrawIter() { |
773 return this; | 759 return this; |
774 } | 760 } |
775 | 761 |
776 ////////////////////////////////////////////////////////////////////////////// | 762 ////////////////////////////////////////////////////////////////////////////// |
777 | 763 |
778 void SkCanvas::updateDeviceCMCache() { | 764 void SkCanvas::updateDeviceCMCache() { |
779 if (fDeviceCMDirty) { | 765 if (fDeviceCMDirty) { |
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2574 if (!bitmap.installPixels(info, pixels, rowBytes)) { | 2560 if (!bitmap.installPixels(info, pixels, rowBytes)) { |
2575 return NULL; | 2561 return NULL; |
2576 } | 2562 } |
2577 | 2563 |
2578 // should this functionality be moved into allocPixels()? | 2564 // should this functionality be moved into allocPixels()? |
2579 if (!bitmap.info().isOpaque()) { | 2565 if (!bitmap.info().isOpaque()) { |
2580 bitmap.eraseColor(0); | 2566 bitmap.eraseColor(0); |
2581 } | 2567 } |
2582 return SkNEW_ARGS(SkCanvas, (bitmap)); | 2568 return SkNEW_ARGS(SkCanvas, (bitmap)); |
2583 } | 2569 } |
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