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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/BoxClipper.h" | 6 #include "core/paint/BoxClipper.h" |
7 | 7 |
8 #include "core/layout/LayoutBox.h" | 8 #include "core/layout/LayoutBox.h" |
9 #include "core/paint/PaintInfo.h" | 9 #include "core/paint/PaintInfo.h" |
10 #include "core/paint/PaintLayer.h" | 10 #include "core/paint/PaintLayer.h" |
11 #include "platform/RuntimeEnabledFeatures.h" | 11 #include "platform/RuntimeEnabledFeatures.h" |
12 #include "platform/graphics/GraphicsLayer.h" | 12 #include "platform/graphics/GraphicsLayer.h" |
13 #include "platform/graphics/paint/ClipDisplayItem.h" | 13 #include "platform/graphics/paint/ClipDisplayItem.h" |
14 #include "platform/graphics/paint/PaintController.h" | 14 #include "platform/graphics/paint/PaintController.h" |
15 | 15 |
16 namespace blink { | 16 namespace blink { |
17 | 17 |
18 BoxClipper::BoxClipper(const LayoutBox& box, const PaintInfo& paintInfo, const L
ayoutPoint& accumulatedOffset, ContentsClipBehavior contentsClipBehavior) | 18 BoxClipper::BoxClipper(const LayoutBox& box, const PaintInfo& paintInfo, const L
ayoutPoint& accumulatedOffset, ContentsClipBehavior contentsClipBehavior) |
19 : m_box(box) | 19 : m_box(box) |
20 , m_paintInfo(paintInfo) | 20 , m_paintInfo(paintInfo) |
21 , m_clipType(DisplayItem::UninitializedType) | 21 , m_clipType(DisplayItem::UninitializedType) |
22 { | 22 { |
23 if (m_paintInfo.phase == PaintPhaseBlockBackground || m_paintInfo.phase == P
aintPhaseSelfOutline || m_paintInfo.phase == PaintPhaseMask) | 23 if (m_paintInfo.phase == PaintPhaseBlockBackground || m_paintInfo.phase == P
aintPhaseSelfOutline || m_paintInfo.phase == PaintPhaseMask) |
24 return; | 24 return; |
25 | 25 |
26 bool isControlClip = m_box.hasControlClip(); | 26 bool isControlClip = m_box.hasControlClip(); |
27 bool isOverflowClip = m_box.hasOverflowClip() && !m_box.layer()->isSelfPaint
ingLayer(); | 27 bool isOverflowOrContainmentClip = (m_box.hasOverflowClip() && !m_box.layer(
)->isSelfPaintingLayer()) |
| 28 || m_box.style()->containsPaint(); |
28 | 29 |
29 if (!isControlClip && !isOverflowClip) | 30 if (!isControlClip && !isOverflowOrContainmentClip) |
30 return; | 31 return; |
31 | 32 |
32 LayoutRect clipRect = isControlClip ? m_box.controlClipRect(accumulatedOffse
t) : m_box.overflowClipRect(accumulatedOffset); | 33 LayoutRect clipRect = isControlClip ? m_box.controlClipRect(accumulatedOffse
t) : m_box.overflowClipRect(accumulatedOffset); |
33 FloatRoundedRect clipRoundedRect(0, 0, 0, 0); | 34 FloatRoundedRect clipRoundedRect(0, 0, 0, 0); |
34 bool hasBorderRadius = m_box.style()->hasBorderRadius(); | 35 bool hasBorderRadius = m_box.style()->hasBorderRadius(); |
35 if (hasBorderRadius) | 36 if (hasBorderRadius) |
36 clipRoundedRect = m_box.style()->getRoundedInnerBorderFor(LayoutRect(acc
umulatedOffset, m_box.size())); | 37 clipRoundedRect = m_box.style()->getRoundedInnerBorderFor(LayoutRect(acc
umulatedOffset, m_box.size())); |
37 | 38 |
38 if (contentsClipBehavior == SkipContentsClipIfPossible) { | 39 if (contentsClipBehavior == SkipContentsClipIfPossible) { |
39 LayoutRect contentsVisualOverflow = m_box.contentsVisualOverflowRect(); | 40 LayoutRect contentsVisualOverflow = m_box.contentsVisualOverflowRect(); |
(...skipping 17 matching lines...) Expand all Loading... |
57 roundedRects.append(clipRoundedRect); | 58 roundedRects.append(clipRoundedRect); |
58 m_paintInfo.context.paintController().createAndAppend<ClipDisplayItem>(m
_box, m_clipType, pixelSnappedIntRect(clipRect), roundedRects); | 59 m_paintInfo.context.paintController().createAndAppend<ClipDisplayItem>(m
_box, m_clipType, pixelSnappedIntRect(clipRect), roundedRects); |
59 } | 60 } |
60 } | 61 } |
61 | 62 |
62 BoxClipper::~BoxClipper() | 63 BoxClipper::~BoxClipper() |
63 { | 64 { |
64 if (m_clipType == DisplayItem::UninitializedType) | 65 if (m_clipType == DisplayItem::UninitializedType) |
65 return; | 66 return; |
66 | 67 |
67 ASSERT(m_box.hasControlClip() || (m_box.hasOverflowClip() && !m_box.layer()-
>isSelfPaintingLayer())); | 68 ASSERT(m_box.hasControlClip() || (m_box.hasOverflowClip() && !m_box.layer()-
>isSelfPaintingLayer()) || m_box.style()->containsPaint()); |
68 m_paintInfo.context.paintController().endItem<EndClipDisplayItem>(m_box, Dis
playItem::clipTypeToEndClipType(m_clipType)); | 69 m_paintInfo.context.paintController().endItem<EndClipDisplayItem>(m_box, Dis
playItem::clipTypeToEndClipType(m_clipType)); |
69 } | 70 } |
70 | 71 |
71 } // namespace blink | 72 } // namespace blink |
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