/*

 * 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 "config.h"

#if ENABLE(SVG)

#include "RenderSVGResourceRadialGradient.h"

#include "RadialGradientAttributes.h"

#include "SVGRadialGradientElement.h"

namespace WebCore {

RenderSVGResourceType RenderSVGResourceRadialGradient::s_resourceType = RadialGradientResourceType;

RenderSVGResourceRadialGradient::RenderSVGResourceRadialGradient(SVGRadialGradientElement* node)

    : RenderSVGResourceGradient(node)

{

}

RenderSVGResourceRadialGradient::~RenderSVGResourceRadialGradient()

{

}

void RenderSVGResourceRadialGradient::buildGradient(GradientData* gradientData, SVGGradientElement* gradientElement) const

{

    SVGRadialGradientElement* radialGradientElement = static_cast<SVGRadialGradientElement*>(gradientElement);

    RadialGradientAttributes attributes = radialGradientElement->collectGradientProperties();

    // Determine gradient focal/center points and radius

    FloatPoint focalPoint;

    FloatPoint centerPoint;

    float radius;

    radialGradientElement->calculateFocalCenterPointsAndRadius(attributes, focalPoint, centerPoint, radius);

    gradientData->gradient = Gradient::create(focalPoint,

                                              0.0f, // SVG does not support a "focus radius"

                                              centerPoint,

                                              radius);

    gradientData->gradient->setSpreadMethod(attributes.spreadMethod());

    // Record current gradient transform

    gradientData->transform = attributes.gradientTransform();

    gradientData->boundingBoxMode = attributes.boundingBoxMode();

    // Add stops

    addStops(gradientData, attributes.stops());

}

}

#endif