1 /* 2 * Copyright (C) 2013 Google Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are 6 * met: 7 * 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above 11 * copyright notice, this list of conditions and the following disclaimer 12 * in the documentation and/or other materials provided with the 13 * distribution. 14 * * Neither the name of Google Inc. nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #ifndef GraphicsContextRecorder_h 32 #define GraphicsContextRecorder_h 33 34 #include "platform/JSONValues.h" 35 #include "platform/PlatformExport.h" 36 #include "platform/graphics/GraphicsContext.h" 37 #include "third_party/skia/include/core/SkPicture.h" 38 #include "third_party/skia/include/core/SkPictureRecorder.h" 39 #include "wtf/RefCounted.h" 40 41 namespace WebCore { 42 43 class PLATFORM_EXPORT GraphicsContextSnapshot : public RefCounted<GraphicsContextSnapshot> { 44 WTF_MAKE_NONCOPYABLE(GraphicsContextSnapshot); 45 public: 46 typedef Vector<Vector<double> > Timings; 47 48 static PassRefPtr<GraphicsContextSnapshot> load(const char*, size_t); 49 50 PassOwnPtr<ImageBuffer> replay(unsigned fromStep = 0, unsigned toStep = 0) const; 51 PassOwnPtr<Timings> profile(unsigned minIterations, double minDuration) const; 52 PassRefPtr<JSONArray> snapshotCommandLog() const; 53 54 private: 55 friend class GraphicsContextRecorder; 56 GraphicsContextSnapshot(PassRefPtr<SkPicture>, bool isCerteainlyOpaque); 57 58 PassOwnPtr<ImageBuffer> createImageBuffer() const; 59 60 RefPtr<SkPicture> m_picture; 61 bool m_isCertainlyOpaque; 62 }; 63 64 class PLATFORM_EXPORT GraphicsContextRecorder { 65 WTF_MAKE_NONCOPYABLE(GraphicsContextRecorder); 66 public: GraphicsContextRecorder()67 GraphicsContextRecorder() { } 68 GraphicsContext* record(const IntSize&, bool isCertainlyOpaque); 69 PassRefPtr<GraphicsContextSnapshot> stop(); 70 71 private: 72 RefPtr<SkPicture> m_picture; 73 OwnPtr<GraphicsContext> m_context; 74 OwnPtr<SkPictureRecorder> m_recorder; 75 bool m_isCertainlyOpaque; 76 }; 77 78 } 79 80 #endif // GraphicsContextRecorder_h 81