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/*
* TransFig: Facility for Translating Fig code
* Parts Copyright (c) 1989-2002 by Brian V. Smith
*
* Any party obtaining a copy of these files is granted, free of charge, a
* full and unrestricted irrevocable, world-wide, paid up, royalty-free,
* nonexclusive right and license to deal in this software and
* documentation files (the "Software"), including without limitation the
* rights to use, copy, modify, merge, publish and/or distribute copies of
* the Software, and to permit persons who receive copies from any such
* party to do so, with the only requirement being that this copyright
* notice remain intact.
*
*/
#include "fig2dev.h"
#include "object.h"
extern int _read_pcx();
/* return codes: 1 : success
0 : failure
*/
int
read_ppm(file,filetype,pic,llx,lly)
FILE *file;
int filetype;
F_pic *pic;
int *llx, *lly;
{
char buf[512],pcxname[PATH_MAX];
FILE *giftopcx;
int stat, size;
*llx = *lly = 0;
/* output PostScript comment */
fprintf(tfp, "%% Originally from a PPM File: %s\n\n", pic->file);
/* make name for temp output file */
sprintf(pcxname, "%s/%s%06d.pix", TMPDIR, "xfig-pcx", getpid());
/* make command to convert gif to pcx into temp file */
sprintf(buf, "ppmtopcx > %s 2> /dev/null", pcxname);
if ((giftopcx = popen(buf,"w" )) == 0) {
fprintf(stderr,"Cannot open pipe to giftoppm\n");
return 0;
}
while ((size=fread(buf, 1, 512, file)) != 0) {
fwrite(buf, size, 1, giftopcx);
}
/* close pipe */
pclose(giftopcx);
if ((giftopcx = fopen(pcxname, "rb")) == NULL) {
fprintf(stderr,"Can't open temp output file\n");
return 0;
}
/* now call _read_pcx to read the pcx file */
stat = _read_pcx(giftopcx, pic);
pic->transp = -1;
/* close file */
fclose(giftopcx);
/* remove temp file */
unlink(pcxname);
return stat;
}
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