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84 lines
2.3 KiB
84 lines
2.3 KiB
/* -*- C++ -*-
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* File: dcraw_half.c
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* Copyright 2008-2009 Alex Tutubalin <lexa@lexa.ru>
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* Created: Sat Mar 8 , 2008
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*
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* LibRaw C API sample (emulates call to "dcraw -h")
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301, USA.
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*/
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <math.h>
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#include "libraw/libraw.h"
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#define HANDLE_FATAL_ERROR(ret)\
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if(ret)\
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{\
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fprintf(stderr,"%s: libraw %s\n",av[i],libraw_strerror(ret));\
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if(LIBRAW_FATAL_ERROR(ret))\
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exit(1); \
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}\
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#define HANDLE_ALL_ERRORS(ret)\
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if(ret)\
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{\
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fprintf(stderr,"%s: libraw %s\n",av[i],libraw_strerror(ret));\
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continue; \
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}\
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int main(int ac, char *av[])
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{
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int i;
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libraw_data_t *iprc = libraw_init(0);
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if(!iprc)
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{
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fprintf(stderr,"Cannot create libraw handle\n");
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exit(1);
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}
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iprc->params.half_size = 1; /* dcraw -h */
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for (i=1;i<ac;i++)
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{
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char outfn[1024];
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int ret = libraw_open_file(iprc,av[i]);
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HANDLE_ALL_ERRORS(ret);
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printf("Processing %s (%s %s)\n",av[i],iprc->idata.make,iprc->idata.model);
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ret = libraw_unpack(iprc);
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HANDLE_ALL_ERRORS(ret);
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ret = libraw_dcraw_process(iprc);
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HANDLE_ALL_ERRORS(ret);
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strcpy(outfn,av[i]);
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strcat(outfn,".ppm");
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printf("Writing to %s\n",outfn);
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ret = libraw_dcraw_ppm_tiff_writer(iprc,outfn);
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HANDLE_FATAL_ERROR(ret);
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}
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libraw_close(iprc);
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return 0;
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}
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