1 /*
2 Copyright (c) 2003-2010 Sony Pictures Imageworks Inc., et al.
3 All Rights Reserved.
4 
5 Redistribution and use in source and binary forms, with or without
6 modification, are permitted provided that the following conditions are
7 met:
8 * Redistributions of source code must retain the above copyright
9   notice, this list of conditions and the following disclaimer.
10 * Redistributions in binary form must reproduce the above copyright
11   notice, this list of conditions and the following disclaimer in the
12   documentation and/or other materials provided with the distribution.
13 * Neither the name of Sony Pictures Imageworks nor the names of its
14   contributors may be used to endorse or promote products derived from
15   this software without specific prior written permission.
16 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28 
29 
30 #ifndef INCLUDED_OCIO_LOGOPS_H
31 #define INCLUDED_OCIO_LOGOPS_H
32 
33 #include <OpenColorIO/OpenColorIO.h>
34 
35 #include "Op.h"
36 
37 #include <vector>
38 
39 OCIO_NAMESPACE_ENTER
40 {
41     // output = k * log(mx+b, base) + kb
42     // This does not affect alpha
43     // In the forward direction this is lin->log
44     // All input vectors are size 3 (including base)
45 
46     void CreateLogOp(OpRcPtrVec & ops,
47                      const float * k,
48                      const float * m,
49                      const float * b,
50                      const float * base,
51                      const float * kb,
52                      TransformDirection direction);
53 
54 }
55 OCIO_NAMESPACE_EXIT
56 
57 #endif
58