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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef PrePaintTreeWalk_h | 5 #ifndef PrePaintTreeWalk_h |
6 #define PrePaintTreeWalk_h | 6 #define PrePaintTreeWalk_h |
7 | 7 |
8 #include "core/paint/ClipRect.h" | 8 #include "core/paint/ClipRect.h" |
9 #include "core/paint/PaintInvalidator.h" | 9 #include "core/paint/PaintInvalidator.h" |
10 #include "core/paint/PaintPropertyTreeBuilder.h" | 10 #include "core/paint/PaintPropertyTreeBuilder.h" |
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37 // Returns the clip applied to children for the given | 37 // Returns the clip applied to children for the given |
38 // contaiing block context + effect, in the space of ancestorState adjusted | 38 // contaiing block context + effect, in the space of ancestorState adjusted |
39 // by ancestorPaintOffset. Sets hasClip to true if a clip was applied. | 39 // by ancestorPaintOffset. Sets hasClip to true if a clip was applied. |
40 FloatClipRect clipRectForContext( | 40 FloatClipRect clipRectForContext( |
41 const PaintPropertyTreeBuilderContext::ContainingBlockContext&, | 41 const PaintPropertyTreeBuilderContext::ContainingBlockContext&, |
42 const EffectPaintPropertyNode*, | 42 const EffectPaintPropertyNode*, |
43 const PropertyTreeState& ancestorState, | 43 const PropertyTreeState& ancestorState, |
44 const LayoutPoint& ancestorPaintOffset, | 44 const LayoutPoint& ancestorPaintOffset, |
45 bool& hasClip); | 45 bool& hasClip); |
46 | 46 |
47 // Returns true if the tree walk should stop before processing this object. | 47 // Returns true if we need to walk the tree for paint property update. |
48 bool shouldEndWalkBefore(const LayoutObject&, const PrePaintTreeWalkContext&); | 48 bool needsWalkForPaintPropertyUpdate(const LayoutObject&, |
| 49 const PrePaintTreeWalkContext&); |
49 | 50 |
50 PaintPropertyTreeBuilder m_propertyTreeBuilder; | 51 PaintPropertyTreeBuilder m_propertyTreeBuilder; |
51 PaintInvalidator m_paintInvalidator; | 52 PaintInvalidator m_paintInvalidator; |
52 GeometryMapper& m_geometryMapper; | 53 GeometryMapper& m_geometryMapper; |
53 }; | 54 }; |
54 | 55 |
55 } // namespace blink | 56 } // namespace blink |
56 | 57 |
57 #endif // PrePaintTreeWalk_h | 58 #endif // PrePaintTreeWalk_h |
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