1/* 2 * Copyright (C) 2013 Google Inc. All rights reserved. 3 * Copyright (C) 2013 Samsung Electronics. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are 7 * met: 8 * 9 * * Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * * Redistributions in binary form must reproduce the above 12 * copyright notice, this list of conditions and the following disclaimer 13 * in the documentation and/or other materials provided with the 14 * distribution. 15 * * Neither the name of Google Inc. nor the names of its 16 * contributors may be used to endorse or promote products derived from 17 * this software without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 21 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 22 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 23 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 24 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 25 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 29 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32#ifndef GraphicsContextAnnotator_h 33#define GraphicsContextAnnotator_h 34 35#define ANNOTATE_GRAPHICS_CONTEXT(paintInfo, renderer) \ 36 GraphicsContextAnnotator scopedGraphicsContextAnnotator; \ 37 if (UNLIKELY(paintInfo.context->annotationMode())) \ 38 scopedGraphicsContextAnnotator.annotate(paintInfo, renderer) 39 40namespace blink { 41 42class GraphicsContext; 43struct PaintInfo; 44class RenderObject; 45 46class GraphicsContextAnnotator { 47public: 48 GraphicsContextAnnotator() 49 : m_context(0) 50 { } 51 52 ~GraphicsContextAnnotator() 53 { 54 if (UNLIKELY(m_context != 0)) 55 finishAnnotation(); 56 } 57 58 void annotate(const PaintInfo&, const RenderObject*); 59 60private: 61 void finishAnnotation(); 62 63 GraphicsContext* m_context; 64}; 65 66} // namespace blink 67 68#endif // GraphicsContextAnnotator_h 69