diff options
Diffstat (limited to 'src/3rdparty/webkit/WebCore/rendering/RenderSVGGradientStop.cpp')
-rw-r--r-- | src/3rdparty/webkit/WebCore/rendering/RenderSVGGradientStop.cpp | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/src/3rdparty/webkit/WebCore/rendering/RenderSVGGradientStop.cpp b/src/3rdparty/webkit/WebCore/rendering/RenderSVGGradientStop.cpp new file mode 100644 index 0000000..d0dc881 --- /dev/null +++ b/src/3rdparty/webkit/WebCore/rendering/RenderSVGGradientStop.cpp @@ -0,0 +1,72 @@ +/* + * This file is part of the WebKit project. + * + * Copyright (C) 2007 Eric Seidel <eric@webkit.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" + +#if ENABLE(SVG) +#include "RenderSVGGradientStop.h" + +#include "SVGGradientElement.h" +#include "SVGNames.h" +#include "SVGStopElement.h" + +namespace WebCore { + +using namespace SVGNames; + +RenderSVGGradientStop::RenderSVGGradientStop(SVGStopElement* element) + : RenderObject(element) +{ +} + +RenderSVGGradientStop::~RenderSVGGradientStop() +{ +} + +void RenderSVGGradientStop::styleDidChange(RenderStyle::Diff diff, const RenderStyle* oldStyle) +{ + RenderObject::styleDidChange(diff, oldStyle); + + // <stop> elements should only be allowed to make renderers under gradient elements + // but I can imagine a few cases we might not be catching, so let's not crash if our parent isn't a gradient. + if (SVGGradientElement* gradient = gradientElement()) { + if (SVGResource* resource = gradient->canvasResource()) + resource->invalidate(); + } +} + +void RenderSVGGradientStop::layout() +{ + setNeedsLayout(false); +} + +SVGGradientElement* RenderSVGGradientStop::gradientElement() const +{ + Node* parentNode = element()->parent(); + if (parentNode->hasTagName(linearGradientTag) || parentNode->hasTagName(radialGradientTag)) + return static_cast<SVGGradientElement*>(parentNode); + return 0; +} + +} + +#endif // ENABLE(SVG) |