/src/FreeImage/Source/OpenEXR/IlmImf/ImfVersion.cpp

 1///////////////////////////////////////////////////////////////////////////
 2//
 3// Copyright (c) 2004, Industrial Light & Magic, a division of Lucas
 4// Digital Ltd. LLC
 5// 
 6// All rights reserved.
 7// 
 8// Redistribution and use in source and binary forms, with or without
 9// modification, are permitted provided that the following conditions are
10// met:
11// *       Redistributions of source code must retain the above copyright
12// notice, this list of conditions and the following disclaimer.
13// *       Redistributions in binary form must reproduce the above
14// copyright notice, this list of conditions and the following disclaimer
15// in the documentation and/or other materials provided with the
16// distribution.
17// *       Neither the name of Industrial Light & Magic nor the names of
18// its contributors may be used to endorse or promote products derived
19// from this software without specific prior written permission. 
20// 
21// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
24// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
25// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
26// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
27// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
31// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32//
33///////////////////////////////////////////////////////////////////////////
34
35
36//-----------------------------------------------------------------------------
37//
38//	Magic and version number.
39//
40//-----------------------------------------------------------------------------
41
42
43#include <ImfVersion.h>
44
45namespace Imf {
46
47
48bool
49isImfMagic (const char bytes[4])
50{
51    return bytes[0] == ((MAGIC >>  0) & 0x00ff) &&
52	   bytes[1] == ((MAGIC >>  8) & 0x00ff) &&
53	   bytes[2] == ((MAGIC >> 16) & 0x00ff) &&
54	   bytes[3] == ((MAGIC >> 24) & 0x00ff);
55}
56
57
58} // namespace Imf
59