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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 #ifndef LayerClipRecorder_h | 5 #ifndef LayerClipRecorder_h |
| 6 #define LayerClipRecorder_h | 6 #define LayerClipRecorder_h |
| 7 | 7 |
| 8 #include "core/rendering/LayerPaintingInfo.h" | 8 #include "core/layout/LayerPaintingInfo.h" |
| 9 #include "core/rendering/PaintPhase.h" | 9 #include "core/rendering/PaintPhase.h" |
| 10 #include "platform/graphics/paint/ClipDisplayItem.h" | 10 #include "platform/graphics/paint/ClipDisplayItem.h" |
| 11 #include "platform/graphics/paint/DisplayItem.h" | 11 #include "platform/graphics/paint/DisplayItem.h" |
| 12 #include "wtf/Vector.h" | 12 #include "wtf/Vector.h" |
| 13 | 13 |
| 14 namespace blink { | 14 namespace blink { |
| 15 | 15 |
| 16 class ClipRect; | 16 class ClipRect; |
| 17 class GraphicsContext; | 17 class GraphicsContext; |
| 18 class RenderLayerModelObject; | 18 class LayoutLayerModelObject; |
| 19 | 19 |
| 20 class LayerClipRecorder { | 20 class LayerClipRecorder { |
| 21 public: | 21 public: |
| 22 | 22 |
| 23 enum BorderRadiusClippingRule { IncludeSelfForBorderRadius, DoNotIncludeSelf
ForBorderRadius }; | 23 enum BorderRadiusClippingRule { IncludeSelfForBorderRadius, DoNotIncludeSelf
ForBorderRadius }; |
| 24 | 24 |
| 25 // Set rounded clip rectangles defined by border radii all the way from the
LayerPaintingInfo | 25 // Set rounded clip rectangles defined by border radii all the way from the
LayerPaintingInfo |
| 26 // "root" layer down to the specified layer (or the parent of said layer, in
case | 26 // "root" layer down to the specified layer (or the parent of said layer, in
case |
| 27 // BorderRadiusClippingRule says to skip self). fragmentOffset is used for m
ulticol, to specify | 27 // BorderRadiusClippingRule says to skip self). fragmentOffset is used for m
ulticol, to specify |
| 28 // the translation required to get from flow thread coordinates to visual co
ordinates for a | 28 // the translation required to get from flow thread coordinates to visual co
ordinates for a |
| 29 // certain column. | 29 // certain column. |
| 30 // FIXME: The BorderRadiusClippingRule parameter is really useless now. If w
e want to skip self, | 30 // FIXME: The BorderRadiusClippingRule parameter is really useless now. If w
e want to skip self, |
| 31 // why not just supply the parent layer as the first parameter instead? | 31 // why not just supply the parent layer as the first parameter instead? |
| 32 // FIXME: The ClipRect passed is in visual coordinates (not flow thread coor
dinates), but at the | 32 // FIXME: The ClipRect passed is in visual coordinates (not flow thread coor
dinates), but at the |
| 33 // same time we pass a fragmentOffset, so that we can translate from flow th
read coordinates to | 33 // same time we pass a fragmentOffset, so that we can translate from flow th
read coordinates to |
| 34 // visual coordinates. This may look rather confusing/redundant, but it is n
eeded for rounded | 34 // visual coordinates. This may look rather confusing/redundant, but it is n
eeded for rounded |
| 35 // border clipping. Would be nice to clean up this. | 35 // border clipping. Would be nice to clean up this. |
| 36 explicit LayerClipRecorder(const RenderLayerModelObject*, GraphicsContext*,
DisplayItem::Type, const ClipRect&, const LayerPaintingInfo* localPaintingInfo,
const LayoutPoint& fragmentOffset, PaintLayerFlags, BorderRadiusClippingRule = I
ncludeSelfForBorderRadius); | 36 explicit LayerClipRecorder(const LayoutLayerModelObject*, GraphicsContext*,
DisplayItem::Type, const ClipRect&, const LayerPaintingInfo* localPaintingInfo,
const LayoutPoint& fragmentOffset, PaintLayerFlags, BorderRadiusClippingRule = I
ncludeSelfForBorderRadius); |
| 37 | 37 |
| 38 ~LayerClipRecorder(); | 38 ~LayerClipRecorder(); |
| 39 | 39 |
| 40 private: | 40 private: |
| 41 | 41 |
| 42 void collectRoundedRectClips(RenderLayer&, const LayerPaintingInfo& localPai
ntingInfo, GraphicsContext*, const LayoutPoint& fragmentOffset, PaintLayerFlags, | 42 void collectRoundedRectClips(Layer&, const LayerPaintingInfo& localPaintingI
nfo, GraphicsContext*, const LayoutPoint& fragmentOffset, PaintLayerFlags, |
| 43 BorderRadiusClippingRule, Vector<FloatRoundedRect>& roundedRectClips); | 43 BorderRadiusClippingRule, Vector<FloatRoundedRect>& roundedRectClips); |
| 44 | 44 |
| 45 GraphicsContext* m_graphicsContext; | 45 GraphicsContext* m_graphicsContext; |
| 46 const RenderLayerModelObject* m_renderer; | 46 const LayoutLayerModelObject* m_renderer; |
| 47 DisplayItem::Type m_clipType; | 47 DisplayItem::Type m_clipType; |
| 48 }; | 48 }; |
| 49 | 49 |
| 50 } // namespace blink | 50 } // namespace blink |
| 51 | 51 |
| 52 #endif // LayerDisplayList_h | 52 #endif // LayerDisplayList_h |
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