Equalizer 1.0

rawVolModelRenderer.h

00001 
00002 /* Copyright (c) 2007       Maxim Makhinya
00003  *
00004  * Redistribution and use in source and binary forms, with or without
00005  * modification, are permitted provided that the following conditions are met:
00006  *
00007  * - Redistributions of source code must retain the above copyright notice, this
00008  *   list of conditions and the following disclaimer.
00009  * - Redistributions in binary form must reproduce the above copyright notice,
00010  *   this list of conditions and the following disclaimer in the documentation
00011  *   and/or other materials provided with the distribution.
00012  * - Neither the name of Eyescale Software GmbH nor the names of its
00013  *   contributors may be used to endorse or promote products derived from this
00014  *   software without specific prior written permission.
00015  *
00016  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
00017  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00018  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00019  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
00020  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
00021  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
00022  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
00023  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
00024  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
00025  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
00026  * POSSIBILITY OF SUCH DAMAGE.
00027  */
00028 
00029 #ifndef EVOLVE_RAW_VOL_MODEL_RENDERER_H
00030 #define EVOLVE_RAW_VOL_MODEL_RENDERER_H
00031 
00032 #include "rawVolModel.h"
00033 #include "sliceClipping.h"
00034 #include "glslShaders.h"
00035 
00036 
00037 namespace eVolve
00038 {
00039 
00040     class RawVolumeModelRenderer
00041     {
00042     public:
00043         RawVolumeModelRenderer( const std::string& filename,
00044                                 const uint32_t     precision   = 1 );
00045 
00046         bool loadHeader( const float brightness, const float alpha )
00047         {
00048             return _rawModel.loadHeader( brightness, alpha );
00049         }
00050 
00051         const VolumeScaling& getVolumeScaling() const
00052         {
00053             return _rawModel.getVolumeScaling();
00054         }
00055 
00056         void glewSetContext( const GLEWContext* context )
00057         {
00058             _glewContext = context;
00059             _rawModel.glewSetContext( context );
00060         }
00061 
00062 
00063         bool render( const eq::Range&       range,
00064                      const eq::Matrix4d&  modelviewM,
00065                      const eq::Matrix3d&  modelviewITM,
00066                      const eq::Matrix4f&  invRotationM  );
00067 
00068         void setPrecision( const uint32_t precision ){ _precision = precision; }
00069         void setOrtho( const uint32_t ortho )        { _ortho = ortho; }
00070 
00071         const GLEWContext* glewGetContext() { return _glewContext; }
00072         bool loadShaders();
00073 
00074     private:
00075         void _putVolumeDataToShader( const VolumeInfo& volumeInfo, const float sliceDistance, const eq::Matrix4f& invRotationM );
00076 
00077         RawVolumeModel  _rawModel;      
00078         SliceClipper    _sliceClipper;  
00079         uint32_t        _precision;     
00080         GLSLShaders     _shaders;       
00081 
00082         const GLEWContext*    _glewContext;   
00083 
00084         bool            _ortho;         
00085 
00086     };
00087 
00088 }
00089 #endif // EVOLVE_RAW_VOL_MODEL_RENDERER_H
00090 
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