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ppmload.c
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ppmload.c
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/*
* libopenraw - ppmload.c
*
* Copyright (C) 2007, 2010 Hubert Figuiere
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <stdio.h>
#include <stdlib.h>
#include <libopenraw/libopenraw.h>
/* TODO use configure instead. */
#if defined(__APPLE__)
# include <machine/endian.h>
# include <libkern/OSByteOrder.h>
# define htobe16(x) OSSwapHostToBigInt16(x)
#elif defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__DragonFly__)
# include <sys/endian.h>
#else
# include <endian.h>
#endif
int
main(int argc, char **argv)
{
const char *filename;
if(argc < 2) {
return 1;
}
filename = argv[1];
or_debug_set_level(DEBUG2);
if(filename && *filename) {
ORRawFileRef raw_file = or_rawfile_new(filename, OR_RAWFILE_TYPE_UNKNOWN);
if(raw_file) {
or_error err;
ORBitmapDataRef bitmapdata = or_bitmapdata_new();
err = or_rawfile_get_rendered_image(raw_file, bitmapdata, 0);
if(err == OR_ERROR_NONE) {
uint32_t x, y;
FILE * f;
size_t size, written_size, i;
uint16_t* data;
or_data_type format = or_bitmapdata_format(bitmapdata);
size_t componentsize = (format == OR_DATA_TYPE_PIXMAP_16RGB) ? 2 : 1;
or_bitmapdata_dimensions(bitmapdata, &x, &y);
printf(" --- dimensions x = %d, y = %d\n", x, y);
f = fopen("image.ppm", "wb");
fprintf(f, "P6\n");
fprintf(f, "%d %d\n", x, y);
fprintf(f, "%d\n", (componentsize == 2) ? 0xffff : 0xff);
size = or_bitmapdata_data_size(bitmapdata);
printf(" --- size = %ld\n", (long)size);
data = (uint16_t*)or_bitmapdata_data(bitmapdata);
if(componentsize == 2) {
written_size = 0;
for(i = 0; i < size; i+=2) {
uint16_t value = htobe16(data[i/2]);
written_size += fwrite(&value, 1, sizeof(value), f);
}
}
else {
written_size = fwrite(or_bitmapdata_data(bitmapdata), 1, size, f);
}
if(written_size != size) {
printf("short read\n");
}
fclose(f);
}
or_bitmapdata_release(bitmapdata);
or_rawfile_release(raw_file);
}
}
else {
printf("No input file name\n");
}
return 0;
}
/*
Local Variables:
mode:c++
c-file-style:"stroustrup"
c-file-offsets:((innamespace . 0))
indent-tabs-mode:nil
fill-column:80
End:
*/