| /* |
| * 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 |
| |
| #include "RenderSVGShape.h" |
| #include "RenderStyleConstants.h" |
| #include "SVGDocumentExtensions.h" |
| |
| namespace WebCore { |
| |
| enum RenderSVGResourceType { |
| MaskerResourceType, |
| MarkerResourceType, |
| PatternResourceType, |
| LinearGradientResourceType, |
| RadialGradientResourceType, |
| SolidColorResourceType, |
| FilterResourceType, |
| ClipperResourceType |
| }; |
| |
| // If this enum changes change the unsigned bitfields using it. |
| 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 Path; |
| class RenderObject; |
| class RenderStyle; |
| class RenderSVGResourceSolidColor; |
| |
| class RenderSVGResource { |
| public: |
| RenderSVGResource() { } |
| virtual ~RenderSVGResource() { } |
| |
| virtual void removeAllClientsFromCache(bool markForInvalidation = true) = 0; |
| virtual void removeClientFromCache(RenderElement&, bool markForInvalidation = true) = 0; |
| |
| virtual bool applyResource(RenderElement&, const RenderStyle&, GraphicsContext*&, unsigned short resourceMode) = 0; |
| virtual void postApplyResource(RenderElement&, GraphicsContext*&, unsigned short, const Path*, const RenderSVGShape*) { } |
| virtual FloatRect resourceBoundingBox(const 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 & solid colors only) |
| static RenderSVGResource* fillPaintingResource(RenderElement&, const RenderStyle&, Color& fallbackColor); |
| static RenderSVGResource* strokePaintingResource(RenderElement&, const RenderStyle&, Color& fallbackColor); |
| static RenderSVGResourceSolidColor* sharedSolidPaintingResource(); |
| |
| static void markForLayoutAndParentResourceInvalidation(RenderObject&, bool needsLayout = true); |
| }; |
| |
| } |
| |
| #endif |