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