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)
44typedef HBITMAP PlatformBitmapBuffer;
45#else
46typedef void* PlatformBitmapBuffer;
47#endif
48
49class BitmapContext : public RefCounted<BitmapContext> {
50public:
51    static PassRefPtr<BitmapContext> createByAdoptingBitmapAndContext(PlatformBitmapBuffer buffer, cairo_t* context)
52    {
53        return adoptRef(new BitmapContext(buffer, context));
54    }
55
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
67    cairo_t* cairoContext() const { return m_context; }
68
69private:
70
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