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73 lines
2.1 KiB
C++
73 lines
2.1 KiB
C++
/*
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* This file is part of the WebKit project.
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*
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* Copyright (C) 2007 Eric Seidel <eric@webkit.org>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public License
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* along with this library; see the file COPYING.LIB. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*
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*/
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#include "config.h"
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#include "wtf/Platform.h"
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#if ENABLE(SVG)
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#include "RenderSVGGradientStop.h"
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#include "SVGGradientElement.h"
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#include "SVGNames.h"
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#include "SVGStopElement.h"
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namespace WebCore {
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using namespace SVGNames;
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RenderSVGGradientStop::RenderSVGGradientStop(SVGStopElement* element)
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: RenderObject(element)
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{
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}
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RenderSVGGradientStop::~RenderSVGGradientStop()
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{
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}
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void RenderSVGGradientStop::setStyle(RenderStyle* style)
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{
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RenderObject::setStyle(style);
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// <stop> elements should only be allowed to make renderers under gradient elements
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// but I can imagine a few cases we might not be catching, so let's not crash if our parent isn't a gradient.
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if (SVGGradientElement* gradient = gradientElement()) {
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if (SVGResource* resource = gradient->canvasResource())
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resource->invalidate();
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}
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}
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void RenderSVGGradientStop::layout()
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{
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setNeedsLayout(false);
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}
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SVGGradientElement* RenderSVGGradientStop::gradientElement() const
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{
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Node* parentNode = element()->parent();
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if (parentNode->hasTagName(linearGradientTag) || parentNode->hasTagName(radialGradientTag))
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return static_cast<SVGGradientElement*>(parentNode);
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return 0;
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}
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}
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#endif // ENABLE(SVG)
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