1 /*M///////////////////////////////////////////////////////////////////////////////////////
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3 // IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
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5 // By downloading, copying, installing or using the software you agree to this license.
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6 // If you do not agree to this license, do not download, install,
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7 // copy or use the software.
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10 // License Agreement
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11 // For Open Source Computer Vision Library
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13 // Copyright (C) 2000-2008, Intel Corporation, all rights reserved.
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14 // Copyright (C) 2009, Willow Garage Inc., all rights reserved.
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15 // Third party copyrights are property of their respective owners.
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17 // Redistribution and use in source and binary forms, with or without modification,
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18 // are permitted provided that the following conditions are met:
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20 // * Redistribution's of source code must retain the above copyright notice,
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21 // this list of conditions and the following disclaimer.
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23 // * Redistribution's in binary form must reproduce the above copyright notice,
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24 // this list of conditions and the following disclaimer in the documentation
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25 // and/or other materials provided with the distribution.
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27 // * The name of the copyright holders may not be used to endorse or promote products
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28 // derived from this software without specific prior written permission.
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30 // This software is provided by the copyright holders and contributors "as is" and
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31 // any express or implied warranties, including, but not limited to, the implied
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32 // warranties of merchantability and fitness for a particular purpose are disclaimed.
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33 // In no event shall the Intel Corporation or contributors be liable for any direct,
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34 // indirect, incidental, special, exemplary, or consequential damages
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35 // (including, but not limited to, procurement of substitute goods or services;
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36 // loss of use, data, or profits; or business interruption) however caused
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37 // and on any theory of liability, whether in contract, strict liability,
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38 // or tort (including negligence or otherwise) arising in any way out of
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39 // the use of this software, even if advised of the possibility of such damage.
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43 #ifndef _GRFMT_EXR_H_
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44 #define _GRFMT_EXR_H_
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48 #include <ImfChromaticities.h>
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49 #include <ImfInputFile.h>
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50 #include <ImfChannelList.h>
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51 #include <ImathBox.h>
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52 #include "grfmt_base.h"
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57 using namespace Imf;
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58 using namespace Imath;
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60 /* libpng version only */
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62 class ExrDecoder : public BaseImageDecoder
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69 bool readData( Mat& img );
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73 ImageDecoder newDecoder() const;
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76 void UpSample( uchar *data, int xstep, int ystep, int xsample, int ysample );
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77 void UpSampleX( float *data, int xstep, int xsample );
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78 void UpSampleY( uchar *data, int xstep, int ystep, int ysample );
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79 void ChromaToBGR( float *data, int numlines, int step );
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80 void RGBToGray( float *in, float *out );
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86 const Channel *m_red;
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87 const Channel *m_green;
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88 const Channel *m_blue;
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89 Chromaticities m_chroma;
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93 class ExrEncoder : public BaseImageEncoder
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99 bool isFormatSupported( int depth ) const;
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100 bool write( const Mat& img, const Vector<int>& params );
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101 ImageEncoder newEncoder() const;
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108 #endif/*_GRFMT_EXR_H_*/
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