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
28 namespace WebCore {
29
30 const RenderSVGResourceType RenderSVGResourceRadialGradient::s_resourceType = RadialGradientResourceType;
31
RenderSVGResourceRadialGradient(SVGRadialGradientElement * node)32 RenderSVGResourceRadialGradient::RenderSVGResourceRadialGradient(SVGRadialGradientElement* node)
33 : RenderSVGResourceGradient(node)
34 {
35 }
36
~RenderSVGResourceRadialGradient()37 RenderSVGResourceRadialGradient::~RenderSVGResourceRadialGradient()
38 {
39 }
40
collectGradientAttributes(SVGGradientElement * gradientElement)41 bool RenderSVGResourceRadialGradient::collectGradientAttributes(SVGGradientElement* gradientElement)
42 {
43 m_attributes = RadialGradientAttributes();
44 return toSVGRadialGradientElement(gradientElement)->collectGradientAttributes(m_attributes);
45 }
46
centerPoint(const RadialGradientAttributes & attributes) const47 FloatPoint RenderSVGResourceRadialGradient::centerPoint(const RadialGradientAttributes& attributes) const
48 {
49 return SVGLengthContext::resolvePoint(element(), attributes.gradientUnits(), attributes.cx(), attributes.cy());
50 }
51
focalPoint(const RadialGradientAttributes & attributes) const52 FloatPoint RenderSVGResourceRadialGradient::focalPoint(const RadialGradientAttributes& attributes) const
53 {
54 return SVGLengthContext::resolvePoint(element(), attributes.gradientUnits(), attributes.fx(), attributes.fy());
55 }
56
radius(const RadialGradientAttributes & attributes) const57 float RenderSVGResourceRadialGradient::radius(const RadialGradientAttributes& attributes) const
58 {
59 return SVGLengthContext::resolveLength(element(), attributes.gradientUnits(), attributes.r());
60 }
61
focalRadius(const RadialGradientAttributes & attributes) const62 float RenderSVGResourceRadialGradient::focalRadius(const RadialGradientAttributes& attributes) const
63 {
64 return SVGLengthContext::resolveLength(element(), attributes.gradientUnits(), attributes.fr());
65 }
66
buildGradient(GradientData * gradientData) const67 void 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