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
42typedef struct CGContext* CGContextRef;
43
44#if PLATFORM(MAC)
45typedef void* PlatformBitmapBuffer;
46#elif PLATFORM(WIN)
47typedef HBITMAP PlatformBitmapBuffer;
48#endif
49
50class BitmapContext : public RefCounted<BitmapContext> {
51public:
52    static PassRefPtr<BitmapContext> createByAdoptingBitmapAndContext(PlatformBitmapBuffer buffer, CGContextRef context)
53    {
54        return adoptRef(new BitmapContext(buffer, context));
55    }
56
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
67    CGContextRef cgContext() const { return m_context.get(); }
68
69private:
70
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
82PassRefPtr<BitmapContext> createBitmapContextFromWebView(bool onscreen, bool incrementalRepaint, bool sweepHorizontally, bool drawSelectionRect);
83
84#endif // PixelDumpSupportCG_h
85