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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 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 #include "config.h" | 5 #include "config.h" |
| 6 #include "core/paint/LayerClipRecorder.h" | 6 #include "core/paint/LayerClipRecorder.h" |
| 7 | 7 |
| 8 #include "core/layout/ClipRect.h" | 8 #include "core/layout/ClipRect.h" |
| 9 #include "core/layout/LayoutView.h" | 9 #include "core/layout/LayoutView.h" |
| 10 #include "core/paint/PaintLayer.h" | 10 #include "core/paint/PaintLayer.h" |
| 11 #include "platform/geometry/IntRect.h" | 11 #include "platform/geometry/IntRect.h" |
| 12 #include "platform/graphics/GraphicsContext.h" | 12 #include "platform/graphics/GraphicsContext.h" |
| 13 #include "platform/graphics/GraphicsLayer.h" | 13 #include "platform/graphics/GraphicsLayer.h" |
| 14 #include "platform/graphics/paint/ClipRecorder.h" | 14 #include "platform/graphics/paint/ClipRecorder.h" |
| 15 #include "platform/graphics/paint/DisplayItemList.h" | 15 #include "platform/graphics/paint/PaintController.h" |
| 16 | 16 |
| 17 namespace blink { | 17 namespace blink { |
| 18 | 18 |
| 19 LayerClipRecorder::LayerClipRecorder(GraphicsContext& graphicsContext, const Lay
outBoxModelObject& layoutObject, DisplayItem::Type clipType, const ClipRect& cli
pRect, | 19 LayerClipRecorder::LayerClipRecorder(GraphicsContext& graphicsContext, const Lay
outBoxModelObject& layoutObject, DisplayItem::Type clipType, const ClipRect& cli
pRect, |
| 20 const PaintLayerPaintingInfo* localPaintingInfo, const LayoutPoint& fragment
Offset, PaintLayerFlags paintFlags, BorderRadiusClippingRule rule) | 20 const PaintLayerPaintingInfo* localPaintingInfo, const LayoutPoint& fragment
Offset, PaintLayerFlags paintFlags, BorderRadiusClippingRule rule) |
| 21 : m_graphicsContext(graphicsContext) | 21 : m_graphicsContext(graphicsContext) |
| 22 , m_layoutObject(layoutObject) | 22 , m_layoutObject(layoutObject) |
| 23 , m_clipType(clipType) | 23 , m_clipType(clipType) |
| 24 { | 24 { |
| 25 IntRect snappedClipRect = pixelSnappedIntRect(clipRect.rect()); | 25 IntRect snappedClipRect = pixelSnappedIntRect(clipRect.rect()); |
| 26 Vector<FloatRoundedRect> roundedRects; | 26 Vector<FloatRoundedRect> roundedRects; |
| 27 if (localPaintingInfo && clipRect.hasRadius()) { | 27 if (localPaintingInfo && clipRect.hasRadius()) { |
| 28 collectRoundedRectClips(*layoutObject.layer(), *localPaintingInfo, graph
icsContext, fragmentOffset, paintFlags, rule, roundedRects); | 28 collectRoundedRectClips(*layoutObject.layer(), *localPaintingInfo, graph
icsContext, fragmentOffset, paintFlags, rule, roundedRects); |
| 29 } | 29 } |
| 30 | 30 |
| 31 ASSERT(m_graphicsContext.displayItemList()); | 31 ASSERT(m_graphicsContext.paintController()); |
| 32 m_graphicsContext.displayItemList()->createAndAppend<ClipDisplayItem>(layout
Object, m_clipType, snappedClipRect, roundedRects); | 32 m_graphicsContext.paintController()->createAndAppend<ClipDisplayItem>(layout
Object, m_clipType, snappedClipRect, roundedRects); |
| 33 } | 33 } |
| 34 | 34 |
| 35 static bool inContainingBlockChain(PaintLayer* startLayer, PaintLayer* endLayer) | 35 static bool inContainingBlockChain(PaintLayer* startLayer, PaintLayer* endLayer) |
| 36 { | 36 { |
| 37 if (startLayer == endLayer) | 37 if (startLayer == endLayer) |
| 38 return true; | 38 return true; |
| 39 | 39 |
| 40 LayoutView* view = startLayer->layoutObject()->view(); | 40 LayoutView* view = startLayer->layoutObject()->view(); |
| 41 for (const LayoutBlock* currentBlock = startLayer->layoutObject()->containin
gBlock(); currentBlock &¤tBlock != view; currentBlock = currentBlock->cont
ainingBlock()) { | 41 for (const LayoutBlock* currentBlock = startLayer->layoutObject()->containin
gBlock(); currentBlock &¤tBlock != view; currentBlock = currentBlock->cont
ainingBlock()) { |
| 42 if (currentBlock->layer() == endLayer) | 42 if (currentBlock->layer() == endLayer) |
| (...skipping 23 matching lines...) Expand all Loading... |
| 66 roundedRectClips.append(layer->layoutObject()->style()->getRoundedIn
nerBorderFor(LayoutRect(delta, LayoutSize(layer->size())))); | 66 roundedRectClips.append(layer->layoutObject()->style()->getRoundedIn
nerBorderFor(LayoutRect(delta, LayoutSize(layer->size())))); |
| 67 } | 67 } |
| 68 | 68 |
| 69 if (layer == localPaintingInfo.rootLayer) | 69 if (layer == localPaintingInfo.rootLayer) |
| 70 break; | 70 break; |
| 71 } | 71 } |
| 72 } | 72 } |
| 73 | 73 |
| 74 LayerClipRecorder::~LayerClipRecorder() | 74 LayerClipRecorder::~LayerClipRecorder() |
| 75 { | 75 { |
| 76 ASSERT(m_graphicsContext.displayItemList()); | 76 ASSERT(m_graphicsContext.paintController()); |
| 77 m_graphicsContext.displayItemList()->endItem<EndClipDisplayItem>(m_layoutObj
ect, DisplayItem::clipTypeToEndClipType(m_clipType)); | 77 m_graphicsContext.paintController()->endItem<EndClipDisplayItem>(m_layoutObj
ect, DisplayItem::clipTypeToEndClipType(m_clipType)); |
| 78 } | 78 } |
| 79 | 79 |
| 80 } // namespace blink | 80 } // namespace blink |
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