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| 1 /* | 1 /* |
| 2 * Copyright (C) Research In Motion Limited 2009-2010. All rights reserved. | 2 * Copyright (C) Research In Motion Limited 2009-2010. All rights reserved. |
| 3 * | 3 * |
| 4 * This library is free software; you can redistribute it and/or | 4 * This library is free software; you can redistribute it and/or |
| 5 * modify it under the terms of the GNU Library General Public | 5 * modify it under the terms of the GNU Library General Public |
| 6 * License as published by the Free Software Foundation; either | 6 * License as published by the Free Software Foundation; either |
| 7 * version 2 of the License, or (at your option) any later version. | 7 * version 2 of the License, or (at your option) any later version. |
| 8 * | 8 * |
| 9 * This library is distributed in the hope that it will be useful, | 9 * This library is distributed in the hope that it will be useful, |
| 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of | 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 28 PatternResourceType, | 28 PatternResourceType, |
| 29 LinearGradientResourceType, | 29 LinearGradientResourceType, |
| 30 RadialGradientResourceType, | 30 RadialGradientResourceType, |
| 31 SolidColorResourceType, | 31 SolidColorResourceType, |
| 32 FilterResourceType, | 32 FilterResourceType, |
| 33 ClipperResourceType | 33 ClipperResourceType |
| 34 }; | 34 }; |
| 35 | 35 |
| 36 // If this enum changes change the unsigned bitfields using it. | 36 // If this enum changes change the unsigned bitfields using it. |
| 37 enum RenderSVGResourceMode { | 37 enum RenderSVGResourceMode { |
| 38 ApplyToDefaultMode = 1 << 0, // used for all resources except gradient/patte
rn | 38 ApplyToFillMode = 1 << 0, |
| 39 ApplyToFillMode = 1 << 1, | 39 ApplyToStrokeMode = 1 << 1, |
| 40 ApplyToStrokeMode = 1 << 2, | 40 ApplyToTextMode = 1 << 2 // used in combination with ApplyTo{Fill|Stroke}
Mode |
| 41 ApplyToTextMode = 1 << 3 // used in combination with ApplyTo{Fill|Stroke}
Mode | |
| 42 }; | 41 }; |
| 43 typedef unsigned RenderSVGResourceModeFlags; | 42 typedef unsigned RenderSVGResourceModeFlags; |
| 44 | 43 |
| 45 class GraphicsContext; | 44 class GraphicsContext; |
| 46 class RenderObject; | 45 class RenderObject; |
| 47 class RenderStyle; | 46 class RenderStyle; |
| 48 class RenderSVGResourceSolidColor; | 47 class RenderSVGResourceSolidColor; |
| 49 | 48 |
| 50 class RenderSVGResource { | 49 class RenderSVGResource { |
| 51 public: | 50 public: |
| 52 RenderSVGResource() { } | 51 RenderSVGResource() { } |
| 53 virtual ~RenderSVGResource() { } | 52 virtual ~RenderSVGResource() { } |
| 54 | 53 |
| 55 virtual void removeAllClientsFromCache(bool markForInvalidation = true) = 0; | 54 virtual void removeAllClientsFromCache(bool markForInvalidation = true) = 0; |
| 56 virtual void removeClientFromCache(RenderObject*, bool markForInvalidation =
true) = 0; | 55 virtual void removeClientFromCache(RenderObject*, bool markForInvalidation =
true) = 0; |
| 57 | 56 |
| 58 virtual bool applyResource(RenderObject*, RenderStyle*, GraphicsContext*&, u
nsigned short resourceMode) = 0; | 57 virtual bool applyResource(RenderObject*, RenderStyle*, GraphicsContext*&, u
nsigned short resourceMode); |
| 59 virtual void postApplyResource(RenderObject*, GraphicsContext*&) { } | 58 virtual void postApplyResource(RenderObject*, GraphicsContext*&) { } |
| 60 | 59 |
| 61 virtual RenderSVGResourceType resourceType() const = 0; | 60 virtual RenderSVGResourceType resourceType() const = 0; |
| 62 | 61 |
| 63 template<class Renderer> | 62 template<class Renderer> |
| 64 Renderer* cast() | 63 Renderer* cast() |
| 65 { | 64 { |
| 66 if (Renderer::s_resourceType == resourceType()) | 65 if (Renderer::s_resourceType == resourceType()) |
| 67 return static_cast<Renderer*>(this); | 66 return static_cast<Renderer*>(this); |
| 68 | 67 |
| 69 return 0; | 68 return 0; |
| 70 } | 69 } |
| 71 | 70 |
| 72 // Helper utilities used in the render tree to access resources used for pai
nting shapes/text (gradients & patterns & solid colors only) | 71 // Helper utilities used in the render tree to access resources used for pai
nting shapes/text (gradients & patterns & solid colors only) |
| 73 // If hasFallback gets set to true, the sharedSolidPaintingResource is set t
o a fallback color. | 72 // If hasFallback gets set to true, the sharedSolidPaintingResource is set t
o a fallback color. |
| 74 static RenderSVGResource* requestPaintingResource(RenderSVGResourceMode, Ren
derObject*, const RenderStyle*, bool& hasFallback); | 73 static RenderSVGResource* requestPaintingResource(RenderSVGResourceMode, Ren
derObject*, const RenderStyle*, bool& hasFallback); |
| 75 static RenderSVGResourceSolidColor* sharedSolidPaintingResource(); | 74 static RenderSVGResourceSolidColor* sharedSolidPaintingResource(); |
| 76 | 75 |
| 77 static void markForLayoutAndParentResourceInvalidation(RenderObject*, bool n
eedsLayout = true); | 76 static void markForLayoutAndParentResourceInvalidation(RenderObject*, bool n
eedsLayout = true); |
| 78 }; | 77 }; |
| 79 | 78 |
| 80 #define DEFINE_RENDER_SVG_RESOURCE_TYPE_CASTS(thisType, typeName) \ | 79 #define DEFINE_RENDER_SVG_RESOURCE_TYPE_CASTS(thisType, typeName) \ |
| 81 DEFINE_TYPE_CASTS(thisType, RenderSVGResource, resource, resource->resourceT
ype() == typeName, resource.resourceType() == typeName) | 80 DEFINE_TYPE_CASTS(thisType, RenderSVGResource, resource, resource->resourceT
ype() == typeName, resource.resourceType() == typeName) |
| 82 | 81 |
| 83 } | 82 } |
| 84 | 83 |
| 85 #endif | 84 #endif |
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