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