1 /* 2 * This file is part of the WebKit project. 3 * 4 * Copyright (C) 2007 Nikolas Zimmermann <zimmermann (at) kde.org> 5 * 6 * This library is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU Library General Public 8 * License as published by the Free Software Foundation; either 9 * version 2 of the License, or (at your option) any later version. 10 * 11 * This library is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 * Library General Public License for more details. 15 * 16 * You should have received a copy of the GNU Library General Public License 17 * along with this library; see the file COPYING.LIB. If not, write to 18 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 19 * Boston, MA 02110-1301, USA. 20 * 21 */ 22 23 #include "config.h" 24 25 #if ENABLE(SVG) 26 #include "RenderSVGTextPath.h" 27 28 #include "FloatQuad.h" 29 #include "RenderBlock.h" 30 #include "SVGInlineTextBox.h" 31 #include "SVGPathElement.h" 32 #include "SVGRootInlineBox.h" 33 #include "SVGTextPathElement.h" 34 #include "SVGTransformList.h" 35 36 namespace WebCore { 37 38 RenderSVGTextPath::RenderSVGTextPath(Node* n) 39 : RenderSVGInline(n) 40 , m_startOffset(0.0f) 41 , m_exactAlignment(true) 42 , m_stretchMethod(false) 43 { 44 } 45 46 Path RenderSVGTextPath::layoutPath() const 47 { 48 SVGTextPathElement* textPathElement = static_cast<SVGTextPathElement*>(node()); 49 String pathId = SVGURIReference::getTarget(textPathElement->href()); 50 Element* targetElement = textPathElement->document()->getElementById(pathId); 51 if (!targetElement || !targetElement->hasTagName(SVGNames::pathTag)) 52 return Path(); 53 54 SVGPathElement* pathElement = static_cast<SVGPathElement*>(targetElement); 55 56 Path pathData = pathElement->toPathData(); 57 // Spec: The transform attribute on the referenced 'path' element represents a 58 // supplemental transformation relative to the current user coordinate system for 59 // the current 'text' element, including any adjustments to the current user coordinate 60 // system due to a possible transform attribute on the current 'text' element. 61 // http://www.w3.org/TR/SVG/text.html#TextPathElement 62 pathData.transform(pathElement->animatedLocalTransform()); 63 return pathData; 64 } 65 66 float RenderSVGTextPath::startOffset() const 67 { 68 return static_cast<SVGTextPathElement*>(node())->startOffset().valueAsPercentage(); 69 } 70 71 bool RenderSVGTextPath::exactAlignment() const 72 { 73 return static_cast<SVGTextPathElement*>(node())->spacing() == SVG_TEXTPATH_SPACINGTYPE_EXACT; 74 } 75 76 bool RenderSVGTextPath::stretchMethod() const 77 { 78 return static_cast<SVGTextPathElement*>(node())->method() == SVG_TEXTPATH_METHODTYPE_STRETCH; 79 } 80 81 } 82 83 #endif // ENABLE(SVG) 84
