WebCore/rendering/RenderSVGResourceLinearGradient.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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/*
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 * Copyright (C) 2006 Nikolas Zimmermann <zimmermann@kde.org>
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 * Copyright (C) Research In Motion Limited 2010. All rights reserved.
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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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#if ENABLE(SVG)
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#include "RenderSVGResourceLinearGradient.h"
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#include "LinearGradientAttributes.h"
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#include "SVGLinearGradientElement.h"
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namespace WebCore {
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RenderSVGResourceType RenderSVGResourceLinearGradient::s_resourceType = LinearGradientResourceType;
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RenderSVGResourceLinearGradient::RenderSVGResourceLinearGradient(SVGLinearGradientElement* node)
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    : RenderSVGResourceGradient(node)
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{
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}
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RenderSVGResourceLinearGradient::~RenderSVGResourceLinearGradient()
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{
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}
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void RenderSVGResourceLinearGradient::buildGradient(GradientData* gradientData, SVGGradientElement* gradientElement) const
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{
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    SVGLinearGradientElement* linearGradientElement = static_cast<SVGLinearGradientElement*>(gradientElement);
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    LinearGradientAttributes attributes = linearGradientElement->collectGradientProperties();
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    // Determine gradient start/end points
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    FloatPoint startPoint;
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    FloatPoint endPoint;
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    linearGradientElement->calculateStartEndPoints(attributes, startPoint, endPoint);
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    gradientData->gradient = Gradient::create(startPoint, endPoint);
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    gradientData->gradient->setSpreadMethod(attributes.spreadMethod());
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    // Record current gradient transform
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    gradientData->transform = attributes.gradientTransform();
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    gradientData->boundingBoxMode = attributes.boundingBoxMode();
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    // Add stops
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    addStops(gradientData, attributes.stops());
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}
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}
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#endif