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1 /* | 1 /* |
2 * Copyright (C) 2004, 2005 Nikolas Zimmermann <zimmermann@kde.org> | 2 * Copyright (C) 2004, 2005 Nikolas Zimmermann <zimmermann@kde.org> |
3 * Copyright (C) 2004, 2005, 2006 Rob Buis <buis@kde.org> | 3 * Copyright (C) 2004, 2005, 2006 Rob Buis <buis@kde.org> |
4 * Copyright (C) 2009 Google, Inc. | 4 * Copyright (C) 2009 Google, Inc. |
5 * | 5 * |
6 * This library is free software; you can redistribute it and/or | 6 * This library is free software; you can redistribute it and/or |
7 * modify it under the terms of the GNU Library General Public | 7 * modify it under the terms of the GNU Library General Public |
8 * License as published by the Free Software Foundation; either | 8 * License as published by the Free Software Foundation; either |
9 * version 2 of the License, or (at your option) any later version. | 9 * version 2 of the License, or (at your option) any later version. |
10 * | 10 * |
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70 } | 70 } |
71 | 71 |
72 bool LayoutSVGTransformableContainer::calculateLocalTransform() | 72 bool LayoutSVGTransformableContainer::calculateLocalTransform() |
73 { | 73 { |
74 SVGGraphicsElement* element = toSVGGraphicsElement(this->element()); | 74 SVGGraphicsElement* element = toSVGGraphicsElement(this->element()); |
75 ASSERT(element); | 75 ASSERT(element); |
76 | 76 |
77 // If we're either the layoutObject for a <use> element, or for any <g> elem
ent inside the shadow | 77 // If we're either the layoutObject for a <use> element, or for any <g> elem
ent inside the shadow |
78 // tree, that was created during the use/symbol/svg expansion in SVGUseEleme
nt. These containers | 78 // tree, that was created during the use/symbol/svg expansion in SVGUseEleme
nt. These containers |
79 // need to respect the translations induced by their corresponding use eleme
nts x/y attributes. | 79 // need to respect the translations induced by their corresponding use eleme
nts x/y attributes. |
80 SVGUseElement* useElement = 0; | 80 SVGUseElement* useElement = nullptr; |
81 if (isSVGUseElement(*element)) { | 81 if (isSVGUseElement(*element)) { |
82 useElement = toSVGUseElement(element); | 82 useElement = toSVGUseElement(element); |
83 } else if (isSVGGElement(*element) && toSVGGElement(element)->inUseShadowTre
e()) { | 83 } else if (isSVGGElement(*element) && toSVGGElement(element)->inUseShadowTre
e()) { |
84 SVGElement* correspondingElement = element->correspondingElement(); | 84 SVGElement* correspondingElement = element->correspondingElement(); |
85 if (isSVGUseElement(correspondingElement)) | 85 if (isSVGUseElement(correspondingElement)) |
86 useElement = toSVGUseElement(correspondingElement); | 86 useElement = toSVGUseElement(correspondingElement); |
87 } | 87 } |
88 | 88 |
89 if (useElement) { | 89 if (useElement) { |
90 SVGLengthContext lengthContext(useElement); | 90 SVGLengthContext lengthContext(useElement); |
91 FloatSize translation( | 91 FloatSize translation( |
92 useElement->x()->currentValue()->value(lengthContext), | 92 useElement->x()->currentValue()->value(lengthContext), |
93 useElement->y()->currentValue()->value(lengthContext)); | 93 useElement->y()->currentValue()->value(lengthContext)); |
94 if (translation != m_lastTranslation) | 94 if (translation != m_lastTranslation) |
95 m_needsTransformUpdate = true; | 95 m_needsTransformUpdate = true; |
96 m_lastTranslation = translation; | 96 m_lastTranslation = translation; |
97 } | 97 } |
98 | 98 |
99 m_didTransformToRootUpdate = m_needsTransformUpdate || SVGLayoutSupport::tra
nsformToRootChanged(parent()); | 99 m_didTransformToRootUpdate = m_needsTransformUpdate || SVGLayoutSupport::tra
nsformToRootChanged(parent()); |
100 if (!m_needsTransformUpdate) | 100 if (!m_needsTransformUpdate) |
101 return false; | 101 return false; |
102 | 102 |
103 m_localTransform = element->calculateAnimatedLocalTransform(); | 103 m_localTransform = element->calculateAnimatedLocalTransform(); |
104 m_localTransform.translate(m_lastTranslation.width(), m_lastTranslation.heig
ht()); | 104 m_localTransform.translate(m_lastTranslation.width(), m_lastTranslation.heig
ht()); |
105 m_needsTransformUpdate = false; | 105 m_needsTransformUpdate = false; |
106 return true; | 106 return true; |
107 } | 107 } |
108 | 108 |
109 } | 109 } |
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