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#include "core/rendering/svg/RenderSVGResourceLinearGradient.h"
24
25#include "core/svg/LinearGradientAttributes.h"
26#include "core/svg/SVGLinearGradientElement.h"
27
28namespace WebCore {
29
30RenderSVGResourceType RenderSVGResourceLinearGradient::s_resourceType = LinearGradientResourceType;
31
32RenderSVGResourceLinearGradient::RenderSVGResourceLinearGradient(SVGLinearGradientElement* node)
33    : RenderSVGResourceGradient(node)
34{
35}
36
37RenderSVGResourceLinearGradient::~RenderSVGResourceLinearGradient()
38{
39}
40
41bool RenderSVGResourceLinearGradient::collectGradientAttributes(SVGGradientElement* gradientElement)
42{
43    m_attributes = LinearGradientAttributes();
44    return static_cast<SVGLinearGradientElement*>(gradientElement)->collectGradientAttributes(m_attributes);
45}
46
47FloatPoint RenderSVGResourceLinearGradient::startPoint(const LinearGradientAttributes& attributes) const
48{
49    return SVGLengthContext::resolvePoint(static_cast<const SVGElement*>(node()), attributes.gradientUnits(), attributes.x1(), attributes.y1());
50}
51
52FloatPoint RenderSVGResourceLinearGradient::endPoint(const LinearGradientAttributes& attributes) const
53{
54    return SVGLengthContext::resolvePoint(static_cast<const SVGElement*>(node()), attributes.gradientUnits(), attributes.x2(), attributes.y2());
55}
56
57void RenderSVGResourceLinearGradient::buildGradient(GradientData* gradientData) const
58{
59    gradientData->gradient = Gradient::create(startPoint(m_attributes), endPoint(m_attributes));
60    gradientData->gradient->setSpreadMethod(platformSpreadMethodFromSVGType(m_attributes.spreadMethod()));
61    addStops(gradientData, m_attributes.stops());
62}
63
64}
65