1 /*
2 Copyright (c) 2003-2012 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 _OPENCOLORIO_AE_CONTEXT_H_
31 #define _OPENCOLORIO_AE_CONTEXT_H_
32 
33 #include <string>
34 #include <vector>
35 
36 #include "OpenColorIO_AE.h"
37 #include "OpenColorIO_AE_GL.h"
38 
39 #include <OpenColorIO/OpenColorIO.h>
40 namespace OCIO = OCIO_NAMESPACE;
41 
42 
43 
44 // yeah, this probably could/should go in a seperate file
45 class Path
46 {
47   public:
48     Path(const std::string &path, const std::string &dir);
49     Path(const Path &path);
~Path()50     ~Path() {}
51 
52     std::string full_path() const;
53     std::string relative_path(bool force) const;
54 
55     bool exists() const;
56 
57   private:
58     std::string _path;
59     std::string _dir;
60 
61     typedef enum {
62         TYPE_UNKNOWN = 0,
63         TYPE_MAC,
64         TYPE_WIN
65     } PathType;
66 
67     static PathType path_type(const std::string &path);
68     static bool is_relative(const std::string &path);
69     static std::string convert_delimiters(const std::string &path);
70     static std::vector<std::string> components(const std::string &path);
71 };
72 
73 
74 class OpenColorIO_AE_Context
75 {
76   public:
77     OpenColorIO_AE_Context(const std::string &path, OCIO_Source source);
78     OpenColorIO_AE_Context(const ArbitraryData *arb_data, const std::string &dir);
79     ~OpenColorIO_AE_Context();
80 
81     bool Verify(const ArbitraryData *arb_data, const std::string &dir);
82 
83     void setupConvert(const char *input, const char *output);
84     void setupDisplay(const char *input, const char *device, const char *transform);
85     void setupLUT(bool invert, OCIO_Interp interpolation);
86 
87     typedef std::vector<std::string> SpaceVec;
88 
getAction()89     OCIO_Action getAction() const { return _action; }
getInput()90     const std::string & getInput() const { return _input; }
getOutput()91     const std::string & getOutput() const { return _output; }
getDevice()92     const std::string & getDevice() const { return _device; }
getTransform()93     const std::string & getTransform() const { return _transform; }
94     const SpaceVec & getInputs(bool fullPath=false) const { return fullPath ? _inputsFullPath : _inputs; }
getDevices()95     const SpaceVec & getDevices() const { return _devices; }
getTransforms()96     const SpaceVec & getTransforms() const { return _transforms; }
97 
config()98     OCIO::ConstConfigRcPtr config() const { return _config; }
processor()99     OCIO::ConstProcessorRcPtr processor() const { return _processor; }
100 
101     bool ExportLUT(const std::string &path, const std::string &display_icc_path);
102 
103     bool ProcessWorldGL(PF_EffectWorld *float_world);
104 
105   private:
106     std::string _path;
107     OCIO_Source _source;
108     std::string _config_name;
109 
110     OCIO_Action _action;
111 
112     std::string _input;
113     std::string _output;
114     std::string _device;
115     std::string _transform;
116     SpaceVec _inputs;
117     SpaceVec _inputsFullPath;
118     SpaceVec _devices;
119     SpaceVec _transforms;
120 
121     bool _invert;
122     OCIO_Interp _interpolation;
123 
124 
125     OCIO::ConstConfigRcPtr      _config;
126     OCIO::ConstProcessorRcPtr   _processor;
127 
128 
129     bool _gl_init;
130 
131     GLuint _fragShader;
132     GLuint _program;
133 
134     GLuint _imageTexID;
135 
136     GLuint _lut3dTexID;
137     std::vector<float> _lut3d;
138     std::string _lut3dcacheid;
139     std::string _shadercacheid;
140 
141     std::string _inputColorSpace;
142     std::string _display;
143     std::string _transformName;
144 
145 
146     GLuint _renderBuffer;
147     int _bufferWidth;
148     int _bufferHeight;
149 
150     void InitOCIOGL();
151     void UpdateOCIOGLState();
152 };
153 
154 
155 #endif // _OPENCOLORIO_AE_CONTEXT_H_