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1 /* | 1 /* |
2 * Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org> | 2 * Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org> |
3 * Copyright (C) 2004, 2005, 2007, 2008, 2009 Rob Buis <buis@kde.org> | 3 * Copyright (C) 2004, 2005, 2007, 2008, 2009 Rob Buis <buis@kde.org> |
4 * Copyright (C) 2007 Eric Seidel <eric@webkit.org> | 4 * Copyright (C) 2007 Eric Seidel <eric@webkit.org> |
5 * Copyright (C) 2009 Google, Inc. | 5 * Copyright (C) 2009 Google, Inc. |
6 * Copyright (C) Research In Motion Limited 2011. All rights reserved. | 6 * Copyright (C) Research In Motion Limited 2011. All rights reserved. |
7 * | 7 * |
8 * This library is free software; you can redistribute it and/or | 8 * This library is free software; you can redistribute it and/or |
9 * modify it under the terms of the GNU Library General Public | 9 * modify it under the terms of the GNU Library General Public |
10 * License as published by the Free Software Foundation; either | 10 * License as published by the Free Software Foundation; either |
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32 #include "core/layout/svg/SVGResourcesCache.h" | 32 #include "core/layout/svg/SVGResourcesCache.h" |
33 #include "core/paint/PaintLayer.h" | 33 #include "core/paint/PaintLayer.h" |
34 #include "core/paint/SVGRootPainter.h" | 34 #include "core/paint/SVGRootPainter.h" |
35 #include "core/svg/SVGElement.h" | 35 #include "core/svg/SVGElement.h" |
36 #include "core/svg/SVGSVGElement.h" | 36 #include "core/svg/SVGSVGElement.h" |
37 #include "core/svg/graphics/SVGImage.h" | 37 #include "core/svg/graphics/SVGImage.h" |
38 #include "platform/LengthFunctions.h" | 38 #include "platform/LengthFunctions.h" |
39 | 39 |
40 namespace blink { | 40 namespace blink { |
41 | 41 |
| 42 namespace { |
| 43 |
| 44 FloatSize calculateIntrinsicSize(const SVGSVGElement& svg) |
| 45 { |
| 46 return FloatSize(floatValueForLength(svg.intrinsicWidth(), 0), floatValueFor
Length(svg.intrinsicHeight(), 0)); |
| 47 } |
| 48 |
| 49 } // namespace |
| 50 |
42 LayoutSVGRoot::LayoutSVGRoot(SVGElement* node) | 51 LayoutSVGRoot::LayoutSVGRoot(SVGElement* node) |
43 : LayoutReplaced(node) | 52 : LayoutReplaced(node) |
44 , m_objectBoundingBoxValid(false) | 53 , m_objectBoundingBoxValid(false) |
45 , m_isLayoutSizeChanged(false) | 54 , m_isLayoutSizeChanged(false) |
46 , m_needsBoundariesOrTransformUpdate(true) | 55 , m_needsBoundariesOrTransformUpdate(true) |
47 , m_hasBoxDecorationBackground(false) | 56 , m_hasBoxDecorationBackground(false) |
48 , m_hasNonIsolatedBlendingDescendants(false) | 57 , m_hasNonIsolatedBlendingDescendants(false) |
49 , m_hasNonIsolatedBlendingDescendantsDirty(false) | 58 , m_hasNonIsolatedBlendingDescendantsDirty(false) |
50 { | 59 { |
51 LayoutSize intrinsicSize(calculateIntrinsicSize()); | 60 SVGSVGElement* svg = toSVGSVGElement(node); |
52 if (!intrinsicSize.width()) | 61 ASSERT(svg); |
| 62 |
| 63 LayoutSize intrinsicSize(calculateIntrinsicSize(*svg)); |
| 64 if (!svg->hasIntrinsicWidth()) |
53 intrinsicSize.setWidth(LayoutUnit(defaultWidth)); | 65 intrinsicSize.setWidth(LayoutUnit(defaultWidth)); |
54 if (!intrinsicSize.height()) | 66 if (!svg->hasIntrinsicHeight()) |
55 intrinsicSize.setHeight(LayoutUnit(defaultHeight)); | 67 intrinsicSize.setHeight(LayoutUnit(defaultHeight)); |
56 setIntrinsicSize(intrinsicSize); | 68 setIntrinsicSize(intrinsicSize); |
57 } | 69 } |
58 | 70 |
59 LayoutSVGRoot::~LayoutSVGRoot() | 71 LayoutSVGRoot::~LayoutSVGRoot() |
60 { | 72 { |
61 } | 73 } |
62 | 74 |
63 FloatSize LayoutSVGRoot::calculateIntrinsicSize() const | |
64 { | |
65 SVGSVGElement* svg = toSVGSVGElement(node()); | |
66 ASSERT(svg); | |
67 | |
68 return FloatSize(floatValueForLength(svg->intrinsicWidth(), 0), floatValueFo
rLength(svg->intrinsicHeight(), 0)); | |
69 } | |
70 | |
71 void LayoutSVGRoot::computeIntrinsicSizingInfo(IntrinsicSizingInfo& intrinsicSiz
ingInfo) const | 75 void LayoutSVGRoot::computeIntrinsicSizingInfo(IntrinsicSizingInfo& intrinsicSiz
ingInfo) const |
72 { | 76 { |
73 // https://www.w3.org/TR/SVG/coords.html#IntrinsicSizing | 77 // https://www.w3.org/TR/SVG/coords.html#IntrinsicSizing |
74 intrinsicSizingInfo.size = calculateIntrinsicSize(); | |
75 | 78 |
76 if (!isHorizontalWritingMode()) | 79 SVGSVGElement* svg = toSVGSVGElement(node()); |
77 intrinsicSizingInfo.size = intrinsicSizingInfo.size.transposedSize(); | 80 ASSERT(svg); |
| 81 |
| 82 intrinsicSizingInfo.size = calculateIntrinsicSize(*svg); |
| 83 intrinsicSizingInfo.hasWidth = svg->hasIntrinsicWidth(); |
| 84 intrinsicSizingInfo.hasHeight = svg->hasIntrinsicHeight(); |
78 | 85 |
79 if (!intrinsicSizingInfo.size.isEmpty()) { | 86 if (!intrinsicSizingInfo.size.isEmpty()) { |
80 intrinsicSizingInfo.aspectRatio = intrinsicSizingInfo.size.width() / sta
tic_cast<double>(intrinsicSizingInfo.size.height()); | 87 intrinsicSizingInfo.aspectRatio = intrinsicSizingInfo.size.width() / sta
tic_cast<double>(intrinsicSizingInfo.size.height()); |
81 } else { | 88 } else { |
82 SVGSVGElement* svg = toSVGSVGElement(node()); | |
83 ASSERT(svg); | |
84 | |
85 FloatSize viewBoxSize = svg->viewBox()->currentValue()->value().size(); | 89 FloatSize viewBoxSize = svg->viewBox()->currentValue()->value().size(); |
86 if (!viewBoxSize.isEmpty()) { | 90 if (!viewBoxSize.isEmpty()) { |
87 // The viewBox can only yield an intrinsic ratio, not an intrinsic s
ize. | 91 // The viewBox can only yield an intrinsic ratio, not an intrinsic s
ize. |
88 intrinsicSizingInfo.aspectRatio = viewBoxSize.width() / static_cast<
double>(viewBoxSize.height()); | 92 intrinsicSizingInfo.aspectRatio = viewBoxSize.width() / static_cast<
double>(viewBoxSize.height()); |
89 if (!isHorizontalWritingMode()) | |
90 intrinsicSizingInfo.aspectRatio = 1 / intrinsicSizingInfo.aspect
Ratio; | |
91 } | 93 } |
92 } | 94 } |
| 95 |
| 96 if (!isHorizontalWritingMode()) |
| 97 intrinsicSizingInfo.transpose(); |
93 } | 98 } |
94 | 99 |
95 bool LayoutSVGRoot::isEmbeddedThroughSVGImage() const | 100 bool LayoutSVGRoot::isEmbeddedThroughSVGImage() const |
96 { | 101 { |
97 return SVGImage::isInSVGImage(toSVGSVGElement(node())); | 102 return SVGImage::isInSVGImage(toSVGSVGElement(node())); |
98 } | 103 } |
99 | 104 |
100 bool LayoutSVGRoot::isEmbeddedThroughFrameContainingSVGDocument() const | 105 bool LayoutSVGRoot::isEmbeddedThroughFrameContainingSVGDocument() const |
101 { | 106 { |
102 if (!node()) | 107 if (!node()) |
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399 updateHitTestResult(result, pointInBorderBox); | 404 updateHitTestResult(result, pointInBorderBox); |
400 if (result.addNodeToListBasedTestResult(node(), locationInContainer,
boundsRect) == StopHitTesting) | 405 if (result.addNodeToListBasedTestResult(node(), locationInContainer,
boundsRect) == StopHitTesting) |
401 return true; | 406 return true; |
402 } | 407 } |
403 } | 408 } |
404 | 409 |
405 return false; | 410 return false; |
406 } | 411 } |
407 | 412 |
408 } // namespace blink | 413 } // namespace blink |
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