2 * Copyright (C) 2007 Nikolas Zimmermann <zimmermann@kde.org>
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.
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.
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.
22 #include "core/rendering/svg/RenderSVGTextPath.h"
25 #include "core/rendering/svg/SVGPathData.h"
26 #include "core/rendering/svg/SVGRenderSupport.h"
27 #include "core/svg/SVGPathElement.h"
28 #include "core/svg/SVGTextPathElement.h"
32 RenderSVGTextPath::RenderSVGTextPath(Element* element)
33 : RenderSVGInline(element)
37 bool RenderSVGTextPath::isChildAllowed(RenderObject* child, RenderStyle*) const
40 return SVGRenderSupport::isRenderableTextNode(child);
43 // 'altGlyph' is supported by the content model for 'textPath', but...
44 ASSERT(child->node());
45 if (isSVGAltGlyphElement(*child->node()))
49 return child->isSVGInline() && !child->isSVGTextPath();
52 Path RenderSVGTextPath::layoutPath() const
54 SVGTextPathElement* textPathElement = toSVGTextPathElement(node());
55 Element* targetElement = SVGURIReference::targetElementFromIRIString(textPathElement->href()->currentValue()->value(), textPathElement->document());
56 if (!isSVGPathElement(targetElement))
59 SVGPathElement& pathElement = toSVGPathElement(*targetElement);
62 updatePathFromGraphicsElement(&pathElement, pathData);
64 // Spec: The transform attribute on the referenced 'path' element represents a
65 // supplemental transformation relative to the current user coordinate system for
66 // the current 'text' element, including any adjustments to the current user coordinate
67 // system due to a possible transform attribute on the current 'text' element.
68 // http://www.w3.org/TR/SVG/text.html#TextPathElement
69 pathData.transform(pathElement.animatedLocalTransform());
73 float RenderSVGTextPath::startOffset() const
75 return toSVGTextPathElement(node())->startOffset()->currentValue()->valueAsPercentage();