1/*
2 * Copyright (C) 2006 Nikolas Zimmermann <zimmermann@kde.org>
3 * Copyright (C) Research In Motion Limited 2010. All rights reserved.
4 * Copyright (C) 2012 Adobe Systems Incorporated. All rights reserved.
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Library General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14 * Library General Public License for more details.
15 *
16 * You should have received a copy of the GNU Library General Public License
17 * along with this library; see the file COPYING.LIB.  If not, write to
18 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
19 * Boston, MA 02110-1301, USA.
20 */
21
22#include "config.h"
23
24#include "core/rendering/svg/RenderSVGResourceRadialGradient.h"
25
26#include "core/svg/SVGRadialGradientElement.h"
27
28namespace blink {
29
30const RenderSVGResourceType RenderSVGResourceRadialGradient::s_resourceType = RadialGradientResourceType;
31
32RenderSVGResourceRadialGradient::RenderSVGResourceRadialGradient(SVGRadialGradientElement* node)
33    : RenderSVGResourceGradient(node)
34{
35}
36
37RenderSVGResourceRadialGradient::~RenderSVGResourceRadialGradient()
38{
39}
40
41bool RenderSVGResourceRadialGradient::collectGradientAttributes(SVGGradientElement* gradientElement)
42{
43    m_attributes = RadialGradientAttributes();
44    return toSVGRadialGradientElement(gradientElement)->collectGradientAttributes(m_attributes);
45}
46
47FloatPoint RenderSVGResourceRadialGradient::centerPoint(const RadialGradientAttributes& attributes) const
48{
49    return SVGLengthContext::resolvePoint(element(), attributes.gradientUnits(), attributes.cx(), attributes.cy());
50}
51
52FloatPoint RenderSVGResourceRadialGradient::focalPoint(const RadialGradientAttributes& attributes) const
53{
54    return SVGLengthContext::resolvePoint(element(), attributes.gradientUnits(), attributes.fx(), attributes.fy());
55}
56
57float RenderSVGResourceRadialGradient::radius(const RadialGradientAttributes& attributes) const
58{
59    return SVGLengthContext::resolveLength(element(), attributes.gradientUnits(), attributes.r());
60}
61
62float RenderSVGResourceRadialGradient::focalRadius(const RadialGradientAttributes& attributes) const
63{
64    return SVGLengthContext::resolveLength(element(), attributes.gradientUnits(), attributes.fr());
65}
66
67void RenderSVGResourceRadialGradient::buildGradient(GradientData* gradientData) const
68{
69    gradientData->gradient = Gradient::create(this->focalPoint(m_attributes),
70        this->focalRadius(m_attributes),
71        this->centerPoint(m_attributes),
72        this->radius(m_attributes));
73
74    gradientData->gradient->setSpreadMethod(platformSpreadMethodFromSVGType(m_attributes.spreadMethod()));
75
76    addStops(gradientData, m_attributes.stops());
77}
78
79}
80