OLD | NEW |
1 /* | 1 /* |
2 * Copyright (C) 2004, 2005, 2008 Nikolas Zimmermann <zimmermann@kde.org> | 2 * Copyright (C) 2004, 2005, 2008 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) 2014 Google, Inc. | 4 * Copyright (C) 2014 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 * |
(...skipping 96 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
107 } | 107 } |
108 | 108 |
109 SVGMatrixTearOff* SVGGraphicsElement::getScreenCTMFromJavascript() { | 109 SVGMatrixTearOff* SVGGraphicsElement::getScreenCTMFromJavascript() { |
110 return SVGMatrixTearOff::create(getScreenCTM()); | 110 return SVGMatrixTearOff::create(getScreenCTM()); |
111 } | 111 } |
112 | 112 |
113 bool SVGGraphicsElement::hasAnimatedLocalTransform() const { | 113 bool SVGGraphicsElement::hasAnimatedLocalTransform() const { |
114 const ComputedStyle* style = | 114 const ComputedStyle* style = |
115 layoutObject() ? layoutObject()->style() : nullptr; | 115 layoutObject() ? layoutObject()->style() : nullptr; |
116 | 116 |
117 // Each of these is used in SVGGraphicsElement::calculateAnimatedLocalTransfor
m to create an animated local transform. | 117 // Each of these is used in |
| 118 // SVGGraphicsElement::calculateAnimatedLocalTransform to create an animated |
| 119 // local transform. |
118 return (style && style->hasTransform()) || | 120 return (style && style->hasTransform()) || |
119 !m_transform->currentValue()->isEmpty() || hasSVGRareData(); | 121 !m_transform->currentValue()->isEmpty() || hasSVGRareData(); |
120 } | 122 } |
121 | 123 |
122 AffineTransform SVGGraphicsElement::calculateAnimatedLocalTransform() const { | 124 AffineTransform SVGGraphicsElement::calculateAnimatedLocalTransform() const { |
123 AffineTransform matrix; | 125 AffineTransform matrix; |
124 const ComputedStyle* style = | 126 const ComputedStyle* style = |
125 layoutObject() ? layoutObject()->style() : nullptr; | 127 layoutObject() ? layoutObject()->style() : nullptr; |
126 | 128 |
127 // If CSS property was set, use that, otherwise fallback to attribute (if set)
. | 129 // If CSS property was set, use that, otherwise fallback to attribute (if |
| 130 // set). |
128 if (style && style->hasTransform()) { | 131 if (style && style->hasTransform()) { |
129 TransformationMatrix transform; | 132 TransformationMatrix transform; |
130 float zoom = style->effectiveZoom(); | 133 float zoom = style->effectiveZoom(); |
131 | 134 |
132 // SVGTextElements need special handling for the text positioning code. | 135 // SVGTextElements need special handling for the text positioning code. |
133 if (isSVGTextElement(this)) { | 136 if (isSVGTextElement(this)) { |
134 // Do not take into account SVG's zoom rules, transform-origin, or percent
age values. | 137 // Do not take into account SVG's zoom rules, transform-origin, or |
| 138 // percentage values. |
135 style->applyTransform( | 139 style->applyTransform( |
136 transform, LayoutSize(0, 0), ComputedStyle::ExcludeTransformOrigin, | 140 transform, LayoutSize(0, 0), ComputedStyle::ExcludeTransformOrigin, |
137 ComputedStyle::IncludeMotionPath, | 141 ComputedStyle::IncludeMotionPath, |
138 ComputedStyle::IncludeIndependentTransformProperties); | 142 ComputedStyle::IncludeIndependentTransformProperties); |
139 } else { | 143 } else { |
140 // CSS transforms operate with pre-scaled lengths. To make this work with
SVG | 144 // CSS transforms operate with pre-scaled lengths. To make this work with |
141 // (which applies the zoom factor globally, at the root level) we | 145 // SVG (which applies the zoom factor globally, at the root level) we |
142 // | 146 // |
143 // * pre-scale the bounding box (to bring it into the same space as the
other CSS values) | 147 // * pre-scale the bounding box (to bring it into the same space as the |
144 // * invert the zoom factor (to effectively compute the CSS transform un
der a 1.0 zoom) | 148 // other CSS values) |
| 149 // * invert the zoom factor (to effectively compute the CSS transform |
| 150 // under a 1.0 zoom) |
145 // | 151 // |
146 // Note: objectBoundingBox is an emptyRect for elements like pattern or cl
ipPath. | 152 // Note: objectBoundingBox is an emptyRect for elements like pattern or |
147 // See the "Object bounding box units" section of http://dev.w3.org/csswg/
css3-transforms/ | 153 // clipPath. See the "Object bounding box units" section of |
| 154 // http://dev.w3.org/csswg/css3-transforms/ |
148 if (zoom != 1) { | 155 if (zoom != 1) { |
149 FloatRect scaledBBox = layoutObject()->objectBoundingBox(); | 156 FloatRect scaledBBox = layoutObject()->objectBoundingBox(); |
150 scaledBBox.scale(zoom); | 157 scaledBBox.scale(zoom); |
151 transform.scale(1 / zoom); | 158 transform.scale(1 / zoom); |
152 style->applyTransform( | 159 style->applyTransform( |
153 transform, scaledBBox, ComputedStyle::IncludeTransformOrigin, | 160 transform, scaledBBox, ComputedStyle::IncludeTransformOrigin, |
154 ComputedStyle::IncludeMotionPath, | 161 ComputedStyle::IncludeMotionPath, |
155 ComputedStyle::IncludeIndependentTransformProperties); | 162 ComputedStyle::IncludeIndependentTransformProperties); |
156 transform.scale(zoom); | 163 transform.scale(zoom); |
157 } else { | 164 } else { |
(...skipping 14 matching lines...) Expand all Loading... |
172 if (hasSVGRareData()) | 179 if (hasSVGRareData()) |
173 return *svgRareData()->animateMotionTransform() * matrix; | 180 return *svgRareData()->animateMotionTransform() * matrix; |
174 return matrix; | 181 return matrix; |
175 } | 182 } |
176 | 183 |
177 AffineTransform* SVGGraphicsElement::animateMotionTransform() { | 184 AffineTransform* SVGGraphicsElement::animateMotionTransform() { |
178 return ensureSVGRareData()->animateMotionTransform(); | 185 return ensureSVGRareData()->animateMotionTransform(); |
179 } | 186 } |
180 | 187 |
181 void SVGGraphicsElement::svgAttributeChanged(const QualifiedName& attrName) { | 188 void SVGGraphicsElement::svgAttributeChanged(const QualifiedName& attrName) { |
182 // Reattach so the isValid() check will be run again during layoutObject creat
ion. | 189 // Reattach so the isValid() check will be run again during layoutObject |
| 190 // creation. |
183 if (SVGTests::isKnownAttribute(attrName)) { | 191 if (SVGTests::isKnownAttribute(attrName)) { |
184 SVGElement::InvalidationGuard invalidationGuard(this); | 192 SVGElement::InvalidationGuard invalidationGuard(this); |
185 lazyReattachIfAttached(); | 193 lazyReattachIfAttached(); |
186 return; | 194 return; |
187 } | 195 } |
188 | 196 |
189 if (attrName == SVGNames::transformAttr) { | 197 if (attrName == SVGNames::transformAttr) { |
190 LayoutObject* object = layoutObject(); | 198 LayoutObject* object = layoutObject(); |
191 if (!object) | 199 if (!object) |
192 return; | 200 return; |
(...skipping 36 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
229 | 237 |
230 return layoutObject()->objectBoundingBox(); | 238 return layoutObject()->objectBoundingBox(); |
231 } | 239 } |
232 | 240 |
233 SVGRectTearOff* SVGGraphicsElement::getBBoxFromJavascript() { | 241 SVGRectTearOff* SVGGraphicsElement::getBBoxFromJavascript() { |
234 return SVGRectTearOff::create(SVGRect::create(getBBox()), 0, | 242 return SVGRectTearOff::create(SVGRect::create(getBBox()), 0, |
235 PropertyIsNotAnimVal); | 243 PropertyIsNotAnimVal); |
236 } | 244 } |
237 | 245 |
238 } // namespace blink | 246 } // namespace blink |
OLD | NEW |