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#ifndef RenderSVGResourceRadialGradient_h
22#define RenderSVGResourceRadialGradient_h
23
24#include "core/rendering/svg/RenderSVGResourceGradient.h"
25#include "core/svg/RadialGradientAttributes.h"
26
27namespace blink {
28
29class SVGRadialGradientElement;
30
31class RenderSVGResourceRadialGradient FINAL : public RenderSVGResourceGradient {
32public:
33    explicit RenderSVGResourceRadialGradient(SVGRadialGradientElement*);
34    virtual ~RenderSVGResourceRadialGradient();
35
36    virtual const char* renderName() const OVERRIDE { return "RenderSVGResourceRadialGradient"; }
37
38    virtual RenderSVGResourceType resourceType() const OVERRIDE { return s_resourceType; }
39    static const RenderSVGResourceType s_resourceType;
40
41    virtual SVGUnitTypes::SVGUnitType gradientUnits() const OVERRIDE { return m_attributes.gradientUnits(); }
42    virtual void calculateGradientTransform(AffineTransform& transform) OVERRIDE { transform = m_attributes.gradientTransform(); }
43    virtual bool collectGradientAttributes(SVGGradientElement*) OVERRIDE;
44    virtual void buildGradient(GradientData*) const OVERRIDE;
45
46    FloatPoint centerPoint(const RadialGradientAttributes&) const;
47    FloatPoint focalPoint(const RadialGradientAttributes&) const;
48    float radius(const RadialGradientAttributes&) const;
49    float focalRadius(const RadialGradientAttributes&) const;
50
51private:
52    RadialGradientAttributes m_attributes;
53};
54
55DEFINE_RENDER_SVG_RESOURCE_TYPE_CASTS(RenderSVGResourceRadialGradient, RadialGradientResourceType);
56
57}
58
59#endif
60