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| 1 /* | |
| 2 * Copyright (C) Research In Motion Limited 2009-2010. All rights reserved. | |
| 3 * | |
| 4 * This library is free software; you can redistribute it and/or | |
| 5 * modify it under the terms of the GNU Library General Public | |
| 6 * License as published by the Free Software Foundation; either | |
| 7 * version 2 of the License, or (at your option) any later version. | |
| 8 * | |
| 9 * This library is distributed in the hope that it will be useful, | |
| 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 12 * Library General Public License for more details. | |
| 13 * | |
| 14 * You should have received a copy of the GNU Library General Public License | |
| 15 * along with this library; see the file COPYING.LIB. If not, write to | |
| 16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, | |
| 17 * Boston, MA 02110-1301, USA. | |
| 18 */ | |
| 19 | |
| 20 #ifndef RenderSVGResource_h | |
| 21 #define RenderSVGResource_h | |
| 22 | |
| 23 #include "platform/graphics/Color.h" | |
| 24 #include "platform/graphics/Gradient.h" | |
| 25 #include "platform/graphics/Pattern.h" | |
| 26 | |
| 27 namespace blink { | |
| 28 | |
| 29 enum RenderSVGResourceMode { | |
| 30 ApplyToFillMode, | |
| 31 ApplyToStrokeMode, | |
| 32 }; | |
| 33 | |
| 34 class GraphicsContext; | |
| 35 class GraphicsContextStateSaver; | |
| 36 class RenderObject; | |
| 37 class RenderSVGResource; | |
| 38 class RenderStyle; | |
| 39 | |
| 40 class SVGPaintServer { | |
| 41 public: | |
| 42 explicit SVGPaintServer(Color); | |
| 43 explicit SVGPaintServer(PassRefPtr<Gradient>); | |
| 44 explicit SVGPaintServer(PassRefPtr<Pattern>); | |
| 45 | |
| 46 static SVGPaintServer requestForRenderer(const RenderObject&, const RenderSt
yle*, RenderSVGResourceMode); | |
| 47 static bool existsForRenderer(const RenderObject&, const RenderStyle*, Rende
rSVGResourceMode); | |
| 48 | |
| 49 void apply(GraphicsContext&, RenderSVGResourceMode, GraphicsContextStateSave
r* = 0); | |
| 50 | |
| 51 static SVGPaintServer invalid() { return SVGPaintServer(Color(Color::transpa
rent)); } | |
| 52 bool isValid() const { return m_color != Color::transparent; } | |
| 53 | |
| 54 bool isTransformDependent() const { return m_gradient || m_pattern; } | |
| 55 void prependTransform(const AffineTransform&); | |
| 56 | |
| 57 private: | |
| 58 RefPtr<Gradient> m_gradient; | |
| 59 RefPtr<Pattern> m_pattern; | |
| 60 Color m_color; | |
| 61 }; | |
| 62 | |
| 63 // If |SVGPaintDescription::hasFallback| is true, |SVGPaintDescription::color| i
s set to a fallback color. | |
| 64 struct SVGPaintDescription { | |
| 65 SVGPaintDescription() : resource(nullptr), isValid(false), hasFallback(false
) { } | |
| 66 SVGPaintDescription(Color color) : resource(nullptr), color(color), isValid(
true), hasFallback(false) { } | |
| 67 SVGPaintDescription(RenderSVGResource* resource) : resource(resource), isVal
id(true), hasFallback(false) { ASSERT(resource); } | |
| 68 SVGPaintDescription(RenderSVGResource* resource, Color fallbackColor) : reso
urce(resource), color(fallbackColor), isValid(true), hasFallback(true) { ASSERT(
resource); } | |
| 69 | |
| 70 RenderSVGResource* resource; | |
| 71 Color color; | |
| 72 bool isValid; | |
| 73 bool hasFallback; | |
| 74 }; | |
| 75 | |
| 76 class RenderSVGResource { | |
| 77 public: | |
| 78 RenderSVGResource() { } | |
| 79 virtual ~RenderSVGResource() { } | |
| 80 | |
| 81 virtual SVGPaintServer preparePaintServer(const RenderObject&); | |
| 82 | |
| 83 // Helper utilities used in to access the underlying resources for DRT. | |
| 84 static SVGPaintDescription requestPaintDescription(const RenderObject&, cons
t RenderStyle*, RenderSVGResourceMode); | |
| 85 }; | |
| 86 | |
| 87 } | |
| 88 | |
| 89 #endif | |
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Chromium Code Reviews
Issue 673753004:
Move RenderSVGResource into the inheritance hierarchy (Closed)
Base URL: svn://svn.chromium.org/blink/trunk