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/*
* Copyright (C) 2007 Nikolas Zimmermann <zimmermann@kde.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "config.h"
#include "RenderSVGTextPath.h"
#include "FloatQuad.h"
#include "RenderBlock.h"
#include "SVGInlineTextBox.h"
#include "SVGNames.h"
#include "SVGPathData.h"
#include "SVGPathElement.h"
#include "SVGRootInlineBox.h"
#include "SVGTextPathElement.h"
#include "SVGTransformList.h"
namespace WebCore {
RenderSVGTextPath::RenderSVGTextPath(SVGTextPathElement& element, Ref<RenderStyle>&& style)
: RenderSVGInline(element, WTFMove(style))
{
}
SVGTextPathElement& RenderSVGTextPath::textPathElement() const
{
return downcast<SVGTextPathElement>(RenderSVGInline::graphicsElement());
}
Path RenderSVGTextPath::layoutPath() const
{
Element* targetElement = SVGURIReference::targetElementFromIRIString(textPathElement().href(), document());
if (!targetElement || !targetElement->hasTagName(SVGNames::pathTag))
return Path();
SVGPathElement& pathElement = downcast<SVGPathElement>(*targetElement);
Path pathData;
updatePathFromGraphicsElement(&pathElement, pathData);
// Spec: The transform attribute on the referenced 'path' element represents a
// supplemental transformation relative to the current user coordinate system for
// the current 'text' element, including any adjustments to the current user coordinate
// system due to a possible transform attribute on the current 'text' element.
// http://www.w3.org/TR/SVG/text.html#TextPathElement
pathData.transform(pathElement.animatedLocalTransform());
return pathData;
}
float RenderSVGTextPath::startOffset() const
{
return textPathElement().startOffset().valueAsPercentage();
}
bool RenderSVGTextPath::exactAlignment() const
{
return textPathElement().spacing() == SVGTextPathSpacingExact;
}
bool RenderSVGTextPath::stretchMethod() const
{
return textPathElement().method() == SVGTextPathMethodStretch;
}
}
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