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#if ENABLE(SVG)
25#include "RenderSVGResourceRadialGradient.h"
26
27#include "RadialGradientAttributes.h"
28#include "SVGRadialGradientElement.h"
29
30namespace WebCore {
31
32RenderSVGResourceType RenderSVGResourceRadialGradient::s_resourceType = RadialGradientResourceType;
33
34RenderSVGResourceRadialGradient::RenderSVGResourceRadialGradient(SVGRadialGradientElement* node)
35    : RenderSVGResourceGradient(node)
36{
37}
38
39RenderSVGResourceRadialGradient::~RenderSVGResourceRadialGradient()
40{
41}
42
43bool RenderSVGResourceRadialGradient::collectGradientAttributes(SVGGradientElement* gradientElement)
44{
45    m_attributes = RadialGradientAttributes();
46    return static_cast<SVGRadialGradientElement*>(gradientElement)->collectGradientAttributes(m_attributes);
47}
48
49FloatPoint RenderSVGResourceRadialGradient::centerPoint(const RadialGradientAttributes& attributes) const
50{
51    return SVGLengthContext::resolvePoint(static_cast<const SVGElement*>(node()), attributes.gradientUnits(), attributes.cx(), attributes.cy());
52}
53
54FloatPoint RenderSVGResourceRadialGradient::focalPoint(const RadialGradientAttributes& attributes) const
55{
56    return SVGLengthContext::resolvePoint(static_cast<const SVGElement*>(node()), attributes.gradientUnits(), attributes.fx(), attributes.fy());
57}
58
59float RenderSVGResourceRadialGradient::radius(const RadialGradientAttributes& attributes) const
60{
61    return SVGLengthContext::resolveLength(static_cast<const SVGElement*>(node()), attributes.gradientUnits(), attributes.r());
62}
63
64float RenderSVGResourceRadialGradient::focalRadius(const RadialGradientAttributes& attributes) const
65{
66    return SVGLengthContext::resolveLength(static_cast<const SVGElement*>(node()), attributes.gradientUnits(), attributes.fr());
67}
68
69void RenderSVGResourceRadialGradient::buildGradient(GradientData* gradientData) const
70{
71    gradientData->gradient = Gradient::create(this->focalPoint(m_attributes),
72        this->focalRadius(m_attributes),
73        this->centerPoint(m_attributes),
74        this->radius(m_attributes));
75
76    gradientData->gradient->setSpreadMethod(platformSpreadMethodFromSVGType(m_attributes.spreadMethod()));
77
78    addStops(gradientData, m_attributes.stops());
79}
80
81}
82
83#endif
84