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 typedef struct CGContext* CGContextRef; 39 40 #if PLATFORM(MAC) 41 typedef void* PlatformBitmapBuffer; 42 #elif PLATFORM(WIN) 43 typedef HBITMAP PlatformBitmapBuffer; 44 #endif 45 46 class BitmapContext : public RefCounted<BitmapContext> { 47 public: createByAdoptingBitmapAndContext(PlatformBitmapBuffer buffer,CGContextRef context)48 static PassRefPtr<BitmapContext> createByAdoptingBitmapAndContext(PlatformBitmapBuffer buffer, CGContextRef context) 49 { 50 return adoptRef(new BitmapContext(buffer, context)); 51 } 52 ~BitmapContext()53 ~BitmapContext() 54 { 55 if (m_buffer) 56 #if PLATFORM(MAC) 57 free(m_buffer); 58 #elif PLATFORM(WIN) 59 DeleteObject(m_buffer); 60 #endif 61 } 62 cgContext()63 CGContextRef cgContext() const { return m_context.get(); } 64 65 private: 66 BitmapContext(PlatformBitmapBuffer buffer,CGContextRef context)67 BitmapContext(PlatformBitmapBuffer buffer, CGContextRef context) 68 : m_buffer(buffer) 69 , m_context(AdoptCF, context) 70 { 71 } 72 73 PlatformBitmapBuffer m_buffer; 74 RetainPtr<CGContextRef> m_context; 75 76 }; 77 78 PassRefPtr<BitmapContext> createBitmapContextFromWebView(bool onscreen, bool incrementalRepaint, bool sweepHorizontally, bool drawSelectionRect); 79 80 #endif // PixelDumpSupportCG_h 81