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/*
* Copyright (C) Research In Motion Limited 2009-2010. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
#ifndef RenderSVGResource_h
#define RenderSVGResource_h
#if ENABLE(SVG)
#include "SVGDocumentExtensions.h"
namespace WebCore {
enum RenderSVGResourceType {
MaskerResourceType,
MarkerResourceType,
PatternResourceType,
LinearGradientResourceType,
RadialGradientResourceType,
SolidColorResourceType,
FilterResourceType,
ClipperResourceType
};
enum RenderSVGResourceMode {
ApplyToDefaultMode = 1 << 0, // used for all resources except gradient/pattern
ApplyToFillMode = 1 << 1,
ApplyToStrokeMode = 1 << 2,
ApplyToTextMode = 1 << 3 // used in combination with ApplyTo{Fill|Stroke}Mode
};
class Color;
class FloatRect;
class GraphicsContext;
class RenderObject;
class RenderStyle;
class RenderSVGResourceSolidColor;
class RenderSVGResource {
public:
RenderSVGResource() { }
virtual ~RenderSVGResource() { }
virtual void invalidateClients() = 0;
virtual void invalidateClient(RenderObject*) = 0;
virtual bool applyResource(RenderObject*, RenderStyle*, GraphicsContext*&, unsigned short resourceMode) = 0;
virtual void postApplyResource(RenderObject*, GraphicsContext*&, unsigned short) { }
virtual FloatRect resourceBoundingBox(RenderObject*) = 0;
virtual RenderSVGResourceType resourceType() const = 0;
template<class Renderer>
Renderer* cast()
{
if (Renderer::s_resourceType == resourceType())
return static_cast<Renderer*>(this);
return 0;
}
// Helper utilities used in the render tree to access resources used for painting shapes/text (gradients & patterns only)
static RenderSVGResource* fillPaintingResource(const RenderObject*, const RenderStyle*);
static RenderSVGResource* strokePaintingResource(const RenderObject*, const RenderStyle*);
static RenderSVGResourceSolidColor* sharedSolidPaintingResource();
static void invalidateAllResourcesOfRenderer(RenderObject*);
private:
static void adjustColorForPseudoRules(const RenderStyle*, bool useFillPaint, Color&);
protected:
void markForLayoutAndResourceInvalidation(RenderObject*);
};
}
#endif
#endif
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