1 /* 2 * Copyright (C) 2005, 2006, 2007 Apple Inc. All rights reserved. 3 * (C) 2007 Graham Dennis (graham.dennis@gmail.com) 4 * (C) 2007 Eric Seidel <eric@webkit.org> 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of 16 * its contributors may be used to endorse or promote products derived 17 * from this software without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY 20 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 21 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 22 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY 23 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 24 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 25 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 26 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 28 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #ifndef PixelDumpSupportCG_h 32 #define PixelDumpSupportCG_h 33 34 #include <wtf/PassRefPtr.h> 35 #include <wtf/RefCounted.h> 36 #include <wtf/RetainPtr.h> 37 38 #if PLATFORM(WIN) 39 #include <windows.h> 40 #endif 41 42 typedef struct CGContext* CGContextRef; 43 44 #if PLATFORM(MAC) 45 typedef void* PlatformBitmapBuffer; 46 #elif PLATFORM(WIN) 47 typedef HBITMAP PlatformBitmapBuffer; 48 #endif 49 50 class BitmapContext : public RefCounted<BitmapContext> { 51 public: createByAdoptingBitmapAndContext(PlatformBitmapBuffer buffer,CGContextRef context)52 static PassRefPtr<BitmapContext> createByAdoptingBitmapAndContext(PlatformBitmapBuffer buffer, CGContextRef context) 53 { 54 return adoptRef(new BitmapContext(buffer, context)); 55 } 56 ~BitmapContext()57 ~BitmapContext() 58 { 59 if (m_buffer) 60 #if PLATFORM(MAC) 61 free(m_buffer); 62 #elif PLATFORM(WIN) 63 DeleteObject(m_buffer); 64 #endif 65 } 66 cgContext()67 CGContextRef cgContext() const { return m_context.get(); } 68 69 private: 70 BitmapContext(PlatformBitmapBuffer buffer,CGContextRef context)71 BitmapContext(PlatformBitmapBuffer buffer, CGContextRef context) 72 : m_buffer(buffer) 73 , m_context(AdoptCF, context) 74 { 75 } 76 77 PlatformBitmapBuffer m_buffer; 78 RetainPtr<CGContextRef> m_context; 79 80 }; 81 82 PassRefPtr<BitmapContext> createBitmapContextFromWebView(bool onscreen, bool incrementalRepaint, bool sweepHorizontally, bool drawSelectionRect); 83 84 #endif // PixelDumpSupportCG_h 85