2 * Copyright (C) 2004, 2005, 2006 Apple Computer, Inc. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
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.
13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 #ifndef IMAGE_SOURCE_H_
27 #define IMAGE_SOURCE_H_
29 #include <wtf/Noncopyable.h>
30 #include <wtf/Vector.h>
33 #include <ApplicationServices/ApplicationServices.h>
35 struct _cairo_surface;
36 typedef struct _cairo_surface cairo_surface_t;
44 typedef CGImageSourceRef NativeImageSourcePtr;
45 typedef CGImageRef NativeImagePtr;
46 typedef CFDataRef NativeBytePtr;
49 typedef ImageDecoder* NativeImageSourcePtr;
50 typedef const Vector<char>* NativeBytePtr;
51 typedef cairo_surface_t* NativeImagePtr;
54 const int cAnimationLoopOnce = -1;
55 const int cAnimationNone = -2;
57 class ImageSource : Noncopyable {
62 bool initialized() const;
64 void setData(NativeBytePtr, bool allDataReceived);
66 bool isSizeAvailable();
69 int repetitionCount();
71 size_t frameCount() const;
72 NativeImagePtr createFrameAtIndex(size_t);
73 float frameDurationAtIndex(size_t);
74 bool frameHasAlphaAtIndex(size_t); // Whether or not the frame actually used any alpha.
77 NativeImageSourcePtr m_decoder;