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/*
* FIG : Facility for Interactive Generation of figures
* Copyright (c) 1999-2000 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, distribute, sublicense,
* and/or sell 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 "fig.h"
#include "resources.h"
#include "object.h"
#include "w_msgpanel.h"
#define BUFLEN 1024
/* return codes: PicSuccess (1) : success
FileInvalid (-2) : invalid file
*/
int
read_ppm(file,filetype,pic)
FILE *file;
int filetype;
F_pic *pic;
{
char buf[BUFLEN],pcxname[PATH_MAX];
FILE *giftopcx;
int stat, size;
/* 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) {
file_msg("Cannot open pipe to ppmtopcx\n");
return FileInvalid;
}
while ((size=fread(buf, 1, BUFLEN, file)) != 0) {
fwrite(buf, size, 1, giftopcx);
}
/* close pipe */
pclose(giftopcx);
if ((giftopcx = fopen(pcxname, "r")) == NULL) {
file_msg("Can't open temp output file\n");
return FileInvalid;
}
/* now call read_pcx to read the pcx file */
stat = read_pcx(giftopcx, filetype, pic);
pic->subtype = T_PIC_PPM;
/* remove temp file */
unlink(pcxname);
return stat;
}
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