2 * Copyright (C) 2006 Nikolas Zimmermann <zimmermann@kde.org>
3 * Copyright (C) 2008 Eric Seidel <eric@webkit.org>
4 * Copyright (C) Research In Motion Limited 2010. All rights reserved.
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Library General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Library General Public License for more details.
16 * You should have received a copy of the GNU Library General Public License
17 * along with this library; see the file COPYING.LIB. If not, write to
18 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
19 * Boston, MA 02110-1301, USA.
22 #ifndef RenderSVGResourceGradient_h
23 #define RenderSVGResourceGradient_h
25 #include "core/rendering/svg/RenderSVGResourceContainer.h"
26 #include "core/svg/SVGGradientElement.h"
27 #include "platform/geometry/FloatRect.h"
28 #include "platform/graphics/Gradient.h"
29 #include "platform/graphics/ImageBuffer.h"
30 #include "platform/transforms/AffineTransform.h"
31 #include "wtf/HashMap.h"
36 WTF_MAKE_FAST_ALLOCATED;
38 RefPtr<Gradient> gradient;
39 AffineTransform userspaceTransform;
42 class GraphicsContext;
44 class RenderSVGResourceGradient : public RenderSVGResourceContainer {
46 explicit RenderSVGResourceGradient(SVGGradientElement*);
48 virtual void removeAllClientsFromCache(bool markForInvalidation = true) OVERRIDE FINAL;
49 virtual void removeClientFromCache(RenderObject*, bool markForInvalidation = true) OVERRIDE FINAL;
51 virtual bool applyResource(RenderObject*, RenderStyle*, GraphicsContext*&, unsigned short resourceMode) OVERRIDE FINAL;
52 virtual void postApplyResource(RenderObject*, GraphicsContext*&, unsigned short resourceMode, const Path*, const RenderSVGShape*) OVERRIDE FINAL;
55 void addStops(GradientData*, const Vector<Gradient::ColorStop>&) const;
57 virtual SVGUnitTypes::SVGUnitType gradientUnits() const = 0;
58 virtual void calculateGradientTransform(AffineTransform&) = 0;
59 virtual bool collectGradientAttributes(SVGGradientElement*) = 0;
60 virtual void buildGradient(GradientData*) const = 0;
62 GradientSpreadMethod platformSpreadMethodFromSVGType(SVGSpreadMethodType) const;
65 bool m_shouldCollectGradientAttributes : 1;
66 HashMap<RenderObject*, OwnPtr<GradientData> > m_gradientMap;