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/* pbmtopi3.c - read a PBM image and produce a Atari Degas .pi3 file
**
** Module created from other pbmplus tools by David Beckemeyer.
**
** Copyright (C) 1988 by David Beckemeyer and Jef Poskanzer.
**
** Permission to use, copy, modify, and distribute this software and its
** documentation for any purpose and without fee is hereby granted, provided
** that the above copyright notice appear in all copies and that both that
** copyright notice and this permission notice appear in supporting
** documentation. This software is provided "as is" without express or
** implied warranty.
*/
/* Output file should always be 32034 bytes. */
#include <stdio.h>
#include "pm_c_util.h"
#include "pbm.h"
static void
putinit(FILE * const ofP) {
unsigned int i;
pm_writebigshort(ofP, (short) 2);
pm_writebigshort(ofP, (short) 0x777);
for (i = 1; i < 16; ++i) {
pm_writebigshort (ofP, (short) 0);
}
}
int
main(int argc, const char ** argv) {
unsigned int const outRows = 400;
unsigned int const outCols = 640;
unsigned int const outColByteCt = pbm_packed_bytes(outCols);
FILE * ifP;
int inRows, inCols, format;
unsigned int row;
unsigned int inColByteCt;
unsigned int i;
bit * bitrow;
pm_proginit(&argc, argv);
if (argc-1 < 1)
ifP = stdin;
else {
ifP = pm_openr(argv[1]);
if (argc-1 > 1)
pm_error("Too many arguments. The only possible argument "
"is the input file name");
}
pbm_readpbminit(ifP, &inCols, &inRows, &format);
inColByteCt = pbm_packed_bytes(inCols);
bitrow = pbm_allocrow_packed(MAX(outCols, inCols));
/* Add padding to round cols up to 640 */
for (i = inColByteCt; i < outColByteCt; ++i)
bitrow[i] = 0x00;
putinit(stdout);
for (row = 0; row < MIN(inRows, outRows); ++row) {
pbm_readpbmrow_packed(ifP, bitrow, inCols, format);
pbm_cleanrowend_packed(bitrow, inCols);
fwrite (bitrow, outColByteCt, 1, stdout);
}
pm_close(ifP);
if (row < outRows) {
unsigned int i;
/* Clear entire row */
for (i = 0; i < outColByteCt; ++i)
bitrow[i] = 0x00;
while (row++ < outRows)
fwrite(bitrow, outColByteCt, 1, stdout);
}
pbm_freerow_packed(bitrow);
return 0;
}
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