1 /*M/////////////////////////////////////////////////////////////////////////////////////// 2 // 3 // IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING. 4 // 5 // By downloading, copying, installing or using the software you agree to this license. 6 // If you do not agree to this license, do not download, install, 7 // copy or use the software. 8 // 9 // 10 // License Agreement 11 // For Open Source Computer Vision Library 12 // 13 // Copyright (C) 2000-2008, Intel Corporation, all rights reserved. 14 // Copyright (C) 2009, Willow Garage Inc., all rights reserved. 15 // Third party copyrights are property of their respective owners. 16 // 17 // Redistribution and use in source and binary forms, with or without modification, 18 // are permitted provided that the following conditions are met: 19 // 20 // * Redistribution's of source code must retain the above copyright notice, 21 // this list of conditions and the following disclaimer. 22 // 23 // * Redistribution's in binary form must reproduce the above copyright notice, 24 // this list of conditions and the following disclaimer in the documentation 25 // and/or other materials provided with the distribution. 26 // 27 // * The name of the copyright holders may not be used to endorse or promote products 28 // derived from this software without specific prior written permission. 29 // 30 // This software is provided by the copyright holders and contributors "as is" and 31 // any express or implied warranties, including, but not limited to, the implied 32 // warranties of merchantability and fitness for a particular purpose are disclaimed. 33 // In no event shall the Intel Corporation or contributors be liable for any direct, 34 // indirect, incidental, special, exemplary, or consequential damages 35 // (including, but not limited to, procurement of substitute goods or services; 36 // loss of use, data, or profits; or business interruption) however caused 37 // and on any theory of liability, whether in contract, strict liability, 38 // or tort (including negligence or otherwise) arising in any way out of 39 // the use of this software, even if advised of the possibility of such damage. 40 // 41 //M*/ 42 43 #ifndef _GRFMT_EXR_H_ 44 #define _GRFMT_EXR_H_ 45 46 #ifdef HAVE_OPENEXR 47 48 #if defined __GNUC__ && defined __APPLE__ 49 # pragma GCC diagnostic ignored "-Wshadow" 50 #endif 51 52 #include <ImfChromaticities.h> 53 #include <ImfInputFile.h> 54 #include <ImfChannelList.h> 55 #include <ImathBox.h> 56 #include "grfmt_base.hpp" 57 58 namespace cv 59 { 60 61 using namespace Imf; 62 using namespace Imath; 63 64 /* libpng version only */ 65 66 class ExrDecoder : public BaseImageDecoder 67 { 68 public: 69 70 ExrDecoder(); 71 ~ExrDecoder(); 72 73 int type() const; 74 bool readData( Mat& img ); 75 bool readHeader(); 76 void close(); 77 78 ImageDecoder newDecoder() const; 79 80 protected: 81 void UpSample( uchar *data, int xstep, int ystep, int xsample, int ysample ); 82 void UpSampleX( float *data, int xstep, int xsample ); 83 void UpSampleY( uchar *data, int xstep, int ystep, int ysample ); 84 void ChromaToBGR( float *data, int numlines, int step ); 85 void RGBToGray( float *in, float *out ); 86 87 InputFile *m_file; 88 Imf::PixelType m_type; 89 Box2i m_datawindow; 90 bool m_ischroma; 91 const Channel *m_red; 92 const Channel *m_green; 93 const Channel *m_blue; 94 Chromaticities m_chroma; 95 int m_bit_depth; 96 bool m_native_depth; 97 bool m_iscolor; 98 bool m_isfloat; 99 }; 100 101 102 class ExrEncoder : public BaseImageEncoder 103 { 104 public: 105 ExrEncoder(); 106 ~ExrEncoder(); 107 108 bool isFormatSupported( int depth ) const; 109 bool write( const Mat& img, const std::vector<int>& params ); 110 ImageEncoder newEncoder() const; 111 }; 112 113 } 114 115 #endif 116 117 #endif/*_GRFMT_EXR_H_*/ 118
