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 
29 namespace WebCore {
30 
31 RenderSVGResourceType RenderSVGResourceRadialGradient::s_resourceType = RadialGradientResourceType;
32 
RenderSVGResourceRadialGradient(SVGRadialGradientElement * node)33 RenderSVGResourceRadialGradient::RenderSVGResourceRadialGradient(SVGRadialGradientElement* node)
34     : RenderSVGResourceGradient(node)
35 {
36 }
37 
~RenderSVGResourceRadialGradient()38 RenderSVGResourceRadialGradient::~RenderSVGResourceRadialGradient()
39 {
40 }
41 
collectGradientAttributes(SVGGradientElement * gradientElement)42 void RenderSVGResourceRadialGradient::collectGradientAttributes(SVGGradientElement* gradientElement)
43 {
44     m_attributes = RadialGradientAttributes();
45     static_cast<SVGRadialGradientElement*>(gradientElement)->collectGradientAttributes(m_attributes);
46 }
47 
buildGradient(GradientData * gradientData,SVGGradientElement * gradientElement) const48 void 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