1 /*
2 * Copyright (C) 2011 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26 #include "config.h"
27 #include "WebCoreArgumentCoders.h"
28
29 using namespace WebCore;
30 using namespace WebKit;
31
32 namespace CoreIPC {
33
34 // For now, these are CG-only. Once other platforms have createImage functions,
35 // we can compile these for non-CG builds.
36 #if USE(CG)
37
encodeImage(ArgumentEncoder * encoder,Image * image)38 void encodeImage(ArgumentEncoder* encoder, Image* image)
39 {
40 RefPtr<ShareableBitmap> bitmap = ShareableBitmap::createShareable(image->size(), ShareableBitmap::SupportsAlpha);
41 bitmap->createGraphicsContext()->drawImage(image, ColorSpaceDeviceRGB, IntPoint());
42 ShareableBitmap::Handle handle;
43 bitmap->createHandle(handle);
44
45 encoder->encode(handle);
46 }
47
decodeImage(ArgumentDecoder * decoder,RefPtr<Image> & image)48 bool decodeImage(ArgumentDecoder* decoder, RefPtr<Image>& image)
49 {
50 ShareableBitmap::Handle handle;
51 if (!decoder->decode(handle))
52 return false;
53
54 RefPtr<ShareableBitmap> bitmap = ShareableBitmap::create(handle);
55 if (!bitmap)
56 return false;
57 image = createImage(bitmap.get());
58 if (!image)
59 return false;
60 return true;
61 }
62
63 #endif
64
65 }
66