1 /* 2 * Copyright (C) 2007 Nikolas Zimmermann <zimmermann (at) kde.org> 3 * 4 * This library is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU Library General Public 6 * License as published by the Free Software Foundation; either 7 * version 2 of the License, or (at your option) any later version. 8 * 9 * This library is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 * Library General Public License for more details. 13 * 14 * You should have received a copy of the GNU Library General Public License 15 * along with this library; see the file COPYING.LIB. If not, write to 16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 17 * Boston, MA 02110-1301, USA. 18 */ 19 20 #include "config.h" 21 22 #include "core/rendering/svg/RenderSVGTextPath.h" 23 24 #include "SVGNames.h" 25 #include "core/rendering/svg/SVGPathData.h" 26 #include "core/svg/SVGPathElement.h" 27 #include "core/svg/SVGTextPathElement.h" 28 29 namespace WebCore { 30 31 RenderSVGTextPath::RenderSVGTextPath(Element* element) 32 : RenderSVGInline(element) 33 { 34 } 35 36 Path RenderSVGTextPath::layoutPath() const 37 { 38 SVGTextPathElement* textPathElement = static_cast<SVGTextPathElement*>(node()); 39 Element* targetElement = SVGURIReference::targetElementFromIRIString(textPathElement->hrefCurrentValue(), textPathElement->document()); 40 if (!targetElement || !targetElement->hasTagName(SVGNames::pathTag)) 41 return Path(); 42 43 SVGPathElement* pathElement = toSVGPathElement(targetElement); 44 45 Path pathData; 46 updatePathFromGraphicsElement(pathElement, pathData); 47 48 // Spec: The transform attribute on the referenced 'path' element represents a 49 // supplemental transformation relative to the current user coordinate system for 50 // the current 'text' element, including any adjustments to the current user coordinate 51 // system due to a possible transform attribute on the current 'text' element. 52 // http://www.w3.org/TR/SVG/text.html#TextPathElement 53 pathData.transform(pathElement->animatedLocalTransform()); 54 return pathData; 55 } 56 57 float RenderSVGTextPath::startOffset() const 58 { 59 return static_cast<SVGTextPathElement*>(node())->startOffsetCurrentValue().valueAsPercentage(); 60 } 61 62 bool RenderSVGTextPath::exactAlignment() const 63 { 64 return static_cast<SVGTextPathElement*>(node())->spacingCurrentValue() == SVGTextPathSpacingExact; 65 } 66 67 bool RenderSVGTextPath::stretchMethod() const 68 { 69 return static_cast<SVGTextPathElement*>(node())->methodCurrentValue() == SVGTextPathMethodStretch; 70 } 71 72 } 73
