1 /* 2 * Copyright (C) 2009 Apple Inc. All rights reserved. 3 * (C) 2009 Brent Fulgham <bfulgham@webkit.org> 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of 15 * its contributors may be used to endorse or promote products derived 16 * from this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY 19 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 20 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 21 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY 22 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 23 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 24 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 25 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 */ 29 30 #ifndef PixelDumpSupportCairo_h 31 #define PixelDumpSupportCairo_h 32 33 #include <wtf/PassRefPtr.h> 34 #include <wtf/RefCounted.h> 35 36 #if PLATFORM(WIN) 37 #include <windows.h> 38 #include <cairo-win32.h> 39 #elif PLATFORM(GTK) 40 #include <cairo.h> 41 #endif 42 43 #if PLATFORM(WIN) 44 typedef HBITMAP PlatformBitmapBuffer; 45 #else 46 typedef void* PlatformBitmapBuffer; 47 #endif 48 49 class BitmapContext : public RefCounted<BitmapContext> { 50 public: createByAdoptingBitmapAndContext(PlatformBitmapBuffer buffer,cairo_t * context)51 static PassRefPtr<BitmapContext> createByAdoptingBitmapAndContext(PlatformBitmapBuffer buffer, cairo_t* context) 52 { 53 return adoptRef(new BitmapContext(buffer, context)); 54 } 55 ~BitmapContext()56 ~BitmapContext() 57 { 58 if (m_buffer) 59 #if PLATFORM(WIN) 60 DeleteObject(m_buffer); 61 #else 62 free(m_buffer); 63 #endif 64 cairo_destroy(m_context); 65 } 66 cairoContext()67 cairo_t* cairoContext() const { return m_context; } 68 69 private: 70 BitmapContext(PlatformBitmapBuffer buffer,cairo_t * context)71 BitmapContext(PlatformBitmapBuffer buffer, cairo_t* context) 72 : m_buffer(buffer) 73 , m_context(context) 74 { 75 } 76 77 PlatformBitmapBuffer m_buffer; 78 cairo_t* m_context; 79 }; 80 81 #endif // PixelDumpSupportCairo_h 82