1/*
2 * Copyright (C) 2006 Nikolas Zimmermann <zimmermann@kde.org>
3 * Copyright (C) Research In Motion Limited 2010. All rights reserved.
4 *
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Library General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
9 *
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13 * Library General Public License for more details.
14 *
15 * You should have received a copy of the GNU Library General Public License
16 * along with this library; see the file COPYING.LIB.  If not, write to
17 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
18 * Boston, MA 02110-1301, USA.
19 */
20
21#include "config.h"
22
23#if ENABLE(SVG)
24#include "RenderSVGResourceRadialGradient.h"
25
26#include "RadialGradientAttributes.h"
27#include "SVGRadialGradientElement.h"
28
29namespace WebCore {
30
31RenderSVGResourceType RenderSVGResourceRadialGradient::s_resourceType = RadialGradientResourceType;
32
33RenderSVGResourceRadialGradient::RenderSVGResourceRadialGradient(SVGRadialGradientElement* node)
34    : RenderSVGResourceGradient(node)
35{
36}
37
38RenderSVGResourceRadialGradient::~RenderSVGResourceRadialGradient()
39{
40}
41
42void RenderSVGResourceRadialGradient::collectGradientAttributes(SVGGradientElement* gradientElement)
43{
44    m_attributes = RadialGradientAttributes();
45    static_cast<SVGRadialGradientElement*>(gradientElement)->collectGradientAttributes(m_attributes);
46}
47
48void RenderSVGResourceRadialGradient::buildGradient(GradientData* gradientData, SVGGradientElement* gradientElement) const
49{
50    SVGRadialGradientElement* radialGradientElement = static_cast<SVGRadialGradientElement*>(gradientElement);
51
52    // Determine gradient focal/center points and radius
53    FloatPoint focalPoint;
54    FloatPoint centerPoint;
55    float radius;
56    radialGradientElement->calculateFocalCenterPointsAndRadius(m_attributes, focalPoint, centerPoint, radius);
57
58    gradientData->gradient = Gradient::create(focalPoint,
59                                              0, // SVG does not support a "focus radius"
60                                              centerPoint,
61                                              radius);
62
63    gradientData->gradient->setSpreadMethod(m_attributes.spreadMethod());
64
65    // Add stops
66    addStops(gradientData, m_attributes.stops());
67}
68
69}
70
71#endif
72