1 /* 2 * Copyright (C) Research In Motion Limited 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 SVGImageBufferTools_h 21 #define SVGImageBufferTools_h 22 23 #if ENABLE(SVG) 24 #include "ImageBuffer.h" 25 #include <wtf/Noncopyable.h> 26 27 namespace WebCore { 28 29 class AffineTransform; 30 class FloatRect; 31 class FloatSize; 32 class GraphicsContext; 33 class RenderObject; 34 35 class SVGImageBufferTools { 36 WTF_MAKE_NONCOPYABLE(SVGImageBufferTools); 37 public: 38 static bool createImageBuffer(const FloatRect& absoluteTargetRect, const FloatRect& clampedAbsoluteTargetRect, OwnPtr<ImageBuffer>&, ColorSpace); 39 static void renderSubtreeToImageBuffer(ImageBuffer*, RenderObject*, const AffineTransform&); 40 static void clipToImageBuffer(GraphicsContext*, const AffineTransform& absoluteTransform, const FloatRect& clampedAbsoluteTargetRect, OwnPtr<ImageBuffer>&); 41 42 static void calculateTransformationToOutermostSVGCoordinateSystem(const RenderObject*, AffineTransform& absoluteTransform); 43 static FloatRect clampedAbsoluteTargetRectForRenderer(const RenderObject*, const FloatRect& absoluteTargetRect); 44 static IntSize roundedImageBufferSize(const FloatSize&); 45 46 private: SVGImageBufferTools()47 SVGImageBufferTools() { } ~SVGImageBufferTools()48 ~SVGImageBufferTools() { } 49 }; 50 51 } 52 53 #endif 54 #endif 55