1 /*
2 * Copyright (C) 2007 Nikolas Zimmermann <zimmermann@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
RenderSVGTextPath(Element * element)31 RenderSVGTextPath::RenderSVGTextPath(Element* element)
32 : RenderSVGInline(element)
33 {
34 }
35
layoutPath() const36 Path RenderSVGTextPath::layoutPath() const
37 {
38 SVGTextPathElement* textPathElement = toSVGTextPathElement(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
startOffset() const57 float RenderSVGTextPath::startOffset() const
58 {
59 return toSVGTextPathElement(node())->startOffsetCurrentValue().valueAsPercentage();
60 }
61
62 }
63