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1 | 1 |
2 /* | 2 /* |
3 * Copyright 2012 Google Inc. | 3 * Copyright 2012 Google Inc. |
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 #include "SkBBoxHierarchyRecord.h" | 9 #include "SkBBoxHierarchyRecord.h" |
10 #include "SkPictureStateTree.h" | 10 #include "SkPictureStateTree.h" |
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27 void SkBBoxHierarchyRecord::willSave() { | 27 void SkBBoxHierarchyRecord::willSave() { |
28 fStateTree->appendSave(); | 28 fStateTree->appendSave(); |
29 this->INHERITED::willSave(); | 29 this->INHERITED::willSave(); |
30 } | 30 } |
31 | 31 |
32 SkCanvas::SaveLayerStrategy SkBBoxHierarchyRecord::willSaveLayer(const SkRect* b
ounds, | 32 SkCanvas::SaveLayerStrategy SkBBoxHierarchyRecord::willSaveLayer(const SkRect* b
ounds, |
33 const SkPaint*
paint, | 33 const SkPaint*
paint, |
34 SaveFlags flags
) { | 34 SaveFlags flags
) { |
35 // For now, assume all filters affect transparent black. | 35 // For now, assume all filters affect transparent black. |
36 // FIXME: This could be made less conservative as an optimization. | 36 // FIXME: This could be made less conservative as an optimization. |
37 bool paintAffectsTransparentBlack = NULL != paint && | 37 bool paintAffectsTransparentBlack = paint && |
38 ((NULL != paint->getImageFilter()) || | 38 ((paint->getImageFilter()) || |
39 (NULL != paint->getColorFilter())); | 39 (paint->getColorFilter())); |
40 SkRect drawBounds; | 40 SkRect drawBounds; |
41 if (paintAffectsTransparentBlack) { | 41 if (paintAffectsTransparentBlack) { |
42 SkIRect deviceBounds; | 42 SkIRect deviceBounds; |
43 this->getClipDeviceBounds(&deviceBounds); | 43 this->getClipDeviceBounds(&deviceBounds); |
44 drawBounds.set(deviceBounds); | 44 drawBounds.set(deviceBounds); |
45 } | 45 } |
46 fStateTree->appendSaveLayer(this->writeStream().bytesWritten()); | 46 fStateTree->appendSaveLayer(this->writeStream().bytesWritten()); |
47 SkCanvas::SaveLayerStrategy strategy = this->INHERITED::willSaveLayer(bounds
, paint, flags); | 47 SkCanvas::SaveLayerStrategy strategy = this->INHERITED::willSaveLayer(bounds
, paint, flags); |
48 if (paintAffectsTransparentBlack) { | 48 if (paintAffectsTransparentBlack) { |
49 this->handleBBox(drawBounds); | 49 this->handleBBox(drawBounds); |
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96 | 96 |
97 bool SkBBoxHierarchyRecord::shouldRewind(void* data) { | 97 bool SkBBoxHierarchyRecord::shouldRewind(void* data) { |
98 // SkBBoxHierarchy::rewindInserts is called by SkPicture after the | 98 // SkBBoxHierarchy::rewindInserts is called by SkPicture after the |
99 // SkPicture has rewound its command stream. To match that rewind in the | 99 // SkPicture has rewound its command stream. To match that rewind in the |
100 // BBH, we rewind all draws that reference commands that were recorded | 100 // BBH, we rewind all draws that reference commands that were recorded |
101 // past the point to which the SkPicture has rewound, which is given by | 101 // past the point to which the SkPicture has rewound, which is given by |
102 // writeStream().bytesWritten(). | 102 // writeStream().bytesWritten(). |
103 SkPictureStateTree::Draw* draw = static_cast<SkPictureStateTree::Draw*>(data
); | 103 SkPictureStateTree::Draw* draw = static_cast<SkPictureStateTree::Draw*>(data
); |
104 return draw->fOffset >= writeStream().bytesWritten(); | 104 return draw->fOffset >= writeStream().bytesWritten(); |
105 } | 105 } |
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