79 lines
2.3 KiB
C
79 lines
2.3 KiB
C
/* -*- C++ -*-
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* File: dcraw_half.c
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* Copyright 2008-2024 LibRaw LLC (info@libraw.org)
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* Created: Sat Mar 8 , 2008
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*
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* LibRaw C API sample: emulates "dcraw -h"
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*
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LibRaw is free software; you can redistribute it and/or modify
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it under the terms of the one of two licenses as you choose:
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1. GNU LESSER GENERAL PUBLIC LICENSE version 2.1
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(See file LICENSE.LGPL provided in LibRaw distribution archive for details).
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2. COMMON DEVELOPMENT AND DISTRIBUTION LICENSE (CDDL) Version 1.0
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(See file LICENSE.CDDL provided in LibRaw distribution archive for details).
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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,
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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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