| /*M/////////////////////////////////////////////////////////////////////////////////////// | |
| // | |
| // IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING. | |
| // | |
| // By downloading, copying, installing or using the software you agree to this license. | |
| // If you do not agree to this license, do not download, install, | |
| // copy or use the software. | |
| // | |
| // | |
| // License Agreement | |
| // For Open Source Computer Vision Library | |
| // | |
| // Copyright (C) 2000-2008, Intel Corporation, all rights reserved. | |
| // Copyright (C) 2009, Willow Garage Inc., all rights reserved. | |
| // Third party copyrights are property of their respective owners. | |
| // | |
| // Redistribution and use in source and binary forms, with or without modification, | |
| // are permitted provided that the following conditions are met: | |
| // | |
| // * Redistribution's of source code must retain the above copyright notice, | |
| // this list of conditions and the following disclaimer. | |
| // | |
| // * Redistribution's in binary form must reproduce the above copyright notice, | |
| // this list of conditions and the following disclaimer in the documentation | |
| // and/or other materials provided with the distribution. | |
| // | |
| // * The name of the copyright holders may not be used to endorse or promote products | |
| // derived from this software without specific prior written permission. | |
| // | |
| // This software is provided by the copyright holders and contributors "as is" and | |
| // any express or implied warranties, including, but not limited to, the implied | |
| // warranties of merchantability and fitness for a particular purpose are disclaimed. | |
| // In no event shall the Intel Corporation or contributors be liable for any direct, | |
| // indirect, incidental, special, exemplary, or consequential damages | |
| // (including, but not limited to, procurement of substitute goods or services; | |
| // loss of use, data, or profits; or business interruption) however caused | |
| // and on any theory of liability, whether in contract, strict liability, | |
| // or tort (including negligence or otherwise) arising in any way out of | |
| // the use of this software, even if advised of the possibility of such damage. | |
| // | |
| //M*/ | |
| // posted to http://www.graphics.cornell.edu/~bjw/ | |
| // written by Bruce Walter (bjw@graphics.cornell.edu) 5/26/95 | |
| // based on code written by Greg Ward | |
| typedef struct { | |
| int valid; /* indicate which fields are valid */ | |
| char programtype[16]; /* listed at beginning of file to identify it | |
| * after "#?". defaults to "RGBE" */ | |
| float gamma; /* image has already been gamma corrected with | |
| * given gamma. defaults to 1.0 (no correction) */ | |
| float exposure; /* a value of 1.0 in an image corresponds to | |
| * <exposure> watts/steradian/m^2. | |
| * defaults to 1.0 */ | |
| } rgbe_header_info; | |
| /* flags indicating which fields in an rgbe_header_info are valid */ | |
| /* return codes for rgbe routines */ | |
| /* read or write headers */ | |
| /* you may set rgbe_header_info to null if you want to */ | |
| int RGBE_WriteHeader(FILE *fp, int width, int height, rgbe_header_info *info); | |
| int RGBE_ReadHeader(FILE *fp, int *width, int *height, rgbe_header_info *info); | |
| /* read or write pixels */ | |
| /* can read or write pixels in chunks of any size including single pixels*/ | |
| int RGBE_WritePixels(FILE *fp, float *data, int numpixels); | |
| int RGBE_ReadPixels(FILE *fp, float *data, int numpixels); | |
| /* read or write run length encoded files */ | |
| /* must be called to read or write whole scanlines */ | |
| int RGBE_WritePixels_RLE(FILE *fp, float *data, int scanline_width, | |
| int num_scanlines); | |
| int RGBE_ReadPixels_RLE(FILE *fp, float *data, int scanline_width, | |
| int num_scanlines); | |