int
main(int argc, char *argv[])
{
int i;
double d;
progname = argv[0];
for (i = 1; i < argc; i++)
if (argv[i][0] == '-')
switch (argv[i][1]) {
case 'b': /* produce b&w PostScript */
docolor = 0;
break;
case 'c': /* produce color PostScript */
docolor = 1;
break;
case 'A': /* standard ASCII encoding */
putprim = Aputprim;
break;
case 'B': /* standard binary encoding */
putprim = Bputprim;
break;
case 'C': /* compressed ASCII encoding */
putprim = Cputprim;
break;
case 'd': /* print density */
dpi = atof(argv[++i]);
break;
case 'g': /* device gamma adjustment */
devgam = atof(argv[++i]);
break;
case 'p': /* paper size */
parsepaper(argv[++i]);
break;
case 'm': /* margin */
d = atof(argv[i+1]);
d *= unit2inch(argv[i+1]);
switch (argv[i][2]) {
case '\0':
hmarg = vmarg = d;
break;
case 'h':
hmarg = d;
break;
case 'v':
vmarg = d;
break;
default:
goto userr;
}
i++;
break;
case 'e': /* exposure adjustment */
if (argv[i+1][0] != '+' && argv[i+1][0] != '-')
goto userr;
bradj = atoi(argv[++i]);
break;
case 'n': /* number of copies */
ncopies = atoi(argv[++i]);
break;
default:
goto userr;
}
else
break;
if (i < argc-2)
goto userr;
if (i <= argc-1 && freopen(argv[i], "r", stdin) == NULL) {
fprintf(stderr, "%s: can't open input \"%s\"\n",
progname, argv[i]);
exit(1);
}
if (i == argc-2 && freopen(argv[i+1], "w", stdout) == NULL) {
fprintf(stderr, "%s: can't open output \"%s\"\n",
progname, argv[i+1]);
exit(1);
}
SET_FILE_BINARY(stdin);
/* get our header */
getheader(stdin, headline, NULL);
if (wrongformat || fgetresolu(&xmax, &ymax, stdin) < 0)
quiterr("bad picture format");
/* gamma compression */
if (devgam <= 0.05)
devgam = docolor ? DEFCGAM : DEFGGAM;
if (putprim == Cputprim)
setcolrgam(CODE6GAM);
else if (devgam != 1.)
setcolrgam(devgam);
/* write header */
PSheader(argc, argv);
/* convert file */
ra2ps();
/* write trailer */
PStrailer();
exit(0);
userr:
fprintf(stderr,
"Usage: %s [-b|c][-A|B|C][-e +/-stops][-p paper][-m[h|v] margin][-d dpi][-g gamma] [input [output]]\n",
progname);
exit(1);
}
int
main(int argc, char *argv[])
{
int bitsperpix;
int i;
SET_DEFAULT_BINARY();
SET_FILE_BINARY(stdin);
SET_FILE_BINARY(stdout);
progname = argv[0];
samplefac = 0;
for (i = 1; i < argc; i++)
if (argv[i][0] == '-')
switch (argv[i][1]) {
case 'g':
gamv = atof(argv[++i]);
break;
case 'b':
greyscale = 1;
break;
case 'd':
dither = !dither;
break;
case 'c':
ncolors = atoi(argv[++i]);
break;
case 'e':
if (argv[i+1][0] != '+' && argv[i+1][0] != '-')
goto userr;
bradj = atoi(argv[++i]);
break;
case 'n':
samplefac = atoi(argv[++i]);
break;
default:
goto userr;
}
else
break;
if (i < argc-2)
goto userr;
if (i <= argc-1 && freopen(argv[i], "r", stdin) == NULL) {
fprintf(stderr, "%s: cannot open input \"%s\"\n",
progname, argv[i]);
exit(1);
}
if (i == argc-2 && freopen(argv[i+1], "w", stdout) == NULL) {
fprintf(stderr, "%s: cannot open output \"%s\"\n",
progname, argv[i+1]);
exit(1);
}
if (checkheader(stdin, COLRFMT, NULL) < 0 ||
fgetresolu(&xmax, &ymax, stdin) < 0) {
fprintf(stderr, "%s: bad picture format\n", progname);
exit(1);
}
picstart = ftell(stdin);
currow = -1;
scanln = (COLR *)malloc(xmax*sizeof(COLR));
if (scanln == NULL) {
fprintf(stderr, "%s: out of memory\n", progname);
exit(1);
}
/* set up gamma correction */
setcolrgam(gamv);
/* figure out the bits per pixel */
if ((ncolors < 2) | (ncolors > MAXCOLORS))
ncolors = MAXCOLORS;
for (bitsperpix = 1; ncolors > 1<<bitsperpix; bitsperpix++)
;
/* compute color map */
if (greyscale)
mkgrymap(ncolors);
else
mkclrmap(ncolors);
/* convert image */
GIFEncode(stdout, xmax, ymax, 0, 0, bitsperpix,
rmap, gmap, bmap, getgifpix);
exit(0);
userr:
fprintf(stderr,
"Usage: %s [-b][-d][-n samp][-c ncolors][-g gamv][-e +/-stops] input [output]\n",
progname);
exit(1);
}
int
main(
int argc,
char *argv[]
)
{
char inpbuf[2];
int gryflag = 0;
int binflag = 1;
int reverse = 0;
int ptype;
int i;
progname = argv[0];
for (i = 1; i < argc; i++)
if (argv[i][0] == '-')
switch (argv[i][1]) {
case 's':
maxval = atoi(argv[++i]) & 0xffff;
break;
case 'b':
gryflag = 1;
break;
case 'g':
gamcor = atof(argv[++i]);
break;
case 'e':
if (argv[i+1][0] != '+' && argv[i+1][0] != '-')
goto userr;
bradj = atoi(argv[++i]);
break;
case 'a':
binflag = 0;
break;
case 'r':
reverse = !reverse;
break;
default:
goto userr;
}
else
break;
if (i < argc-2)
goto userr;
if (i <= argc-1 && freopen(argv[i], "r", stdin) == NULL) {
fprintf(stderr, "%s: can't open input \"%s\"\n",
progname, argv[i]);
exit(1);
}
if (i == argc-2 && freopen(argv[i+1], "w", stdout) == NULL) {
fprintf(stderr, "%s: can't open output \"%s\"\n",
progname, argv[i+1]);
exit(1);
}
if (maxval < 256)
setcolrgam(gamcor);
if (reverse) {
/* get header */
if (read(fileno(stdin), inpbuf, 2) != 2 || inpbuf[0] != 'P')
quiterr("input not a Poskanzer Pixmap");
ptype = inpbuf[1];
#ifdef _WIN32
if (ptype > 4)
SET_FILE_BINARY(stdin);
SET_FILE_BINARY(stdout);
#endif
xmax = scanint(stdin);
ymax = scanint(stdin);
maxval = scanint(stdin);
/* put header */
newheader("RADIANCE", stdout);
printargs(i, argv, stdout);
fputformat(COLRFMT, stdout);
putchar('\n');
fprtresolu(xmax, ymax, stdout);
/* convert file */
if (maxval >= 256)
switch (ptype) {
case '2':
ppm2ra2(agryscan2);
break;
case '5':
ppm2ra2(bgryscan2);
break;
case '3':
ppm2ra2(aclrscan2);
break;
case '6':
ppm2ra2(bclrscan2);
break;
default:
quiterr("unsupported Pixmap type");
}
else
switch (ptype) {
case '2':
ppm2ra(agryscan);
break;
case '5':
ppm2ra(bgryscan);
break;
case '3':
ppm2ra(aclrscan);
break;
case '6':
ppm2ra(bclrscan);
break;
default:
quiterr("unsupported Pixmap type");
}
} else {
#ifdef _WIN32
SET_FILE_BINARY(stdin);
if (binflag)
SET_FILE_BINARY(stdout);
#endif
/* get header info. */
if (checkheader(stdin, COLRFMT, NULL) < 0 ||
fgetresolu(&xmax, &ymax, stdin) < 0)
quiterr("bad picture format");
/* write PPM header */
printf("P%1d\n%d %d\n%u\n", (gryflag?2:3)+(binflag?3:0),
xmax, ymax, maxval);
/* convert file */
if (maxval >= 256)
ra2ppm2(binflag, gryflag);
else
ra2ppm(binflag, gryflag);
}
exit(0);
userr:
fprintf(stderr,
"Usage: %s [-r][-a][-b][-s maxv][-g gamma][-e +/-stops] [input [output]]\n",
progname);
exit(1);
}