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/*
* Copyright (C) 2006 Nikolas Zimmermann <zimmermann@kde.org>
* Copyright (C) Research In Motion Limited 2010. All rights reserved.
*
* 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 "core/layout/svg/LayoutSVGResourceLinearGradient.h"
#include "core/svg/SVGLinearGradientElement.h"
namespace blink {
LayoutSVGResourceLinearGradient::LayoutSVGResourceLinearGradient(
SVGLinearGradientElement* node)
: LayoutSVGResourceGradient(node),
m_attributesWrapper(LinearGradientAttributesWrapper::create()) {}
LayoutSVGResourceLinearGradient::~LayoutSVGResourceLinearGradient() {}
bool LayoutSVGResourceLinearGradient::collectGradientAttributes(
SVGGradientElement* gradientElement) {
m_attributesWrapper->set(LinearGradientAttributes());
return toSVGLinearGradientElement(gradientElement)
->collectGradientAttributes(mutableAttributes());
}
FloatPoint LayoutSVGResourceLinearGradient::startPoint(
const LinearGradientAttributes& attributes) const {
return SVGLengthContext::resolvePoint(element(), attributes.gradientUnits(),
*attributes.x1(), *attributes.y1());
}
FloatPoint LayoutSVGResourceLinearGradient::endPoint(
const LinearGradientAttributes& attributes) const {
return SVGLengthContext::resolvePoint(element(), attributes.gradientUnits(),
*attributes.x2(), *attributes.y2());
}
PassRefPtr<Gradient> LayoutSVGResourceLinearGradient::buildGradient() const {
const LinearGradientAttributes& attributes = this->attributes();
RefPtr<Gradient> gradient =
Gradient::create(startPoint(attributes), endPoint(attributes));
gradient->setSpreadMethod(
platformSpreadMethodFromSVGType(attributes.spreadMethod()));
addStops(*gradient, attributes.stops());
return gradient.release();
}
} // namespace blink
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