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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/BoxDecorationData.h" | 6 #include "core/paint/BoxDecorationData.h" |
7 | 7 |
8 #include "core/layout/LayoutBox.h" | 8 #include "core/layout/LayoutBox.h" |
9 #include "core/layout/style/BorderEdge.h" | 9 #include "core/layout/style/BorderEdge.h" |
10 #include "core/layout/style/LayoutStyle.h" | 10 #include "core/layout/style/ComputedStyle.h" |
11 #include "platform/RuntimeEnabledFeatures.h" | 11 #include "platform/RuntimeEnabledFeatures.h" |
12 #include "platform/graphics/GraphicsContext.h" | 12 #include "platform/graphics/GraphicsContext.h" |
13 | 13 |
14 namespace blink { | 14 namespace blink { |
15 | 15 |
16 BoxDecorationData::BoxDecorationData(const LayoutBox& layoutBox, GraphicsContext
* context) | 16 BoxDecorationData::BoxDecorationData(const LayoutBox& layoutBox, GraphicsContext
* context) |
17 { | 17 { |
18 backgroundColor = layoutBox.style()->visitedDependentColor(CSSPropertyBackgr
oundColor); | 18 backgroundColor = layoutBox.style()->visitedDependentColor(CSSPropertyBackgr
oundColor); |
19 hasBackground = backgroundColor.alpha() || layoutBox.style()->hasBackgroundI
mage(); | 19 hasBackground = backgroundColor.alpha() || layoutBox.style()->hasBackgroundI
mage(); |
20 ASSERT(hasBackground == layoutBox.style()->hasBackground()); | 20 ASSERT(hasBackground == layoutBox.style()->hasBackground()); |
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65 contextScaling.setHeight(1); | 65 contextScaling.setHeight(1); |
66 | 66 |
67 if (borderObscuresBackgroundEdge(*layoutBox.style(), contextScaling)) | 67 if (borderObscuresBackgroundEdge(*layoutBox.style(), contextScaling)) |
68 return BackgroundBleedShrinkBackground; | 68 return BackgroundBleedShrinkBackground; |
69 if (!hasAppearance && layoutBox.style()->borderObscuresBackground() && layou
tBox.backgroundHasOpaqueTopLayer()) | 69 if (!hasAppearance && layoutBox.style()->borderObscuresBackground() && layou
tBox.backgroundHasOpaqueTopLayer()) |
70 return BackgroundBleedBackgroundOverBorder; | 70 return BackgroundBleedBackgroundOverBorder; |
71 | 71 |
72 return BackgroundBleedClipBackground; | 72 return BackgroundBleedClipBackground; |
73 } | 73 } |
74 | 74 |
75 bool BoxDecorationData::borderObscuresBackgroundEdge(const LayoutStyle& style, c
onst FloatSize& contextScale) const | 75 bool BoxDecorationData::borderObscuresBackgroundEdge(const ComputedStyle& style,
const FloatSize& contextScale) const |
76 { | 76 { |
77 BorderEdge edges[4]; | 77 BorderEdge edges[4]; |
78 style.getBorderEdgeInfo(edges); | 78 style.getBorderEdgeInfo(edges); |
79 | 79 |
80 for (int i = BSTop; i <= BSLeft; ++i) { | 80 for (int i = BSTop; i <= BSLeft; ++i) { |
81 const BorderEdge& currEdge = edges[i]; | 81 const BorderEdge& currEdge = edges[i]; |
82 // FIXME: for vertical text | 82 // FIXME: for vertical text |
83 float axisScale = (i == BSTop || i == BSBottom) ? contextScale.height()
: contextScale.width(); | 83 float axisScale = (i == BSTop || i == BSBottom) ? contextScale.height()
: contextScale.width(); |
84 if (!currEdge.obscuresBackgroundEdge(axisScale)) | 84 if (!currEdge.obscuresBackgroundEdge(axisScale)) |
85 return false; | 85 return false; |
86 } | 86 } |
87 | 87 |
88 return true; | 88 return true; |
89 } | 89 } |
90 | 90 |
91 } // namespace blink | 91 } // namespace blink |
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