static void
ra2hex(void) /* convert Radiance scanlines to 4x1 bit hex */
{
static char cmap[] = "0123456789ABCDEF";
COLR *scanin;
register int x, c, t;
int y;
/* allocate scanline */
scanin = (COLR *)malloc(xmax*sizeof(COLR));
if (scanin == NULL)
quiterr("out of memory in ra2skel");
/* convert image */
for (y = ymax-1; y >= 0; y--) {
if (freadcolrs(scanin, xmax, stdin) < 0)
quiterr("error reading Radiance picture");
c = 0;
for (x = 0; x < xmax; x++)
if ((t = 03 - (x&03)))
c |= abovethresh(scanin[x]) << t;
else {
c |= abovethresh(scanin[x]);
putchar(cmap[c]);
c = 0;
}
if (t)
fputc(cmap[c], stdout);
fputc('\n', stdout);
if (ferror(stdout))
quiterr("error writing hex bit file");
}
/* free scanline */
free((void *)scanin);
}
static unsigned int
scanint( /* scan the next positive integer value */
register FILE *fp
)
{
register int c;
register unsigned int i;
tryagain:
while (isspace(c = getc(fp)))
;
if (c == EOF)
quiterr("unexpected end of file");
if (c == '#') { /* comment */
while ((c = getc(fp)) != EOF && c != '\n')
;
goto tryagain;
}
/* should be integer */
i = 0;
do {
if (!isdigit(c))
quiterr("error reading integer");
i = 10*i + c - '0';
c = getc(fp);
} while (c != EOF && !isspace(c));
return(i);
}
static void
ra2ps(void) /* convert Radiance scanlines to 6-bit */
{
register COLR *scanin;
int y;
/* allocate scanline */
scanin = (COLR *)malloc(xmax*sizeof(COLR));
if (scanin == NULL)
quiterr("out of memory in ra2ps");
/* convert image */
for (y = ymax-1; y >= 0; y--) {
if (freadcolrs(scanin, xmax, stdin) < 0)
quiterr("error reading Radiance picture");
if (putprim == Cputprim || devgam != 1.) {
if (bradj) /* adjust exposure */
shiftcolrs(scanin, xmax, bradj);
colrs_gambs(scanin, xmax); /* gamma compression */
} else
normcolrs(scanin, xmax, bradj);
if (docolor) {
(*putprim)(scanin, RED);
(*putprim)(scanin, GRN);
(*putprim)(scanin, BLU);
} else
(*putprim)(scanin, GRY);
if (ferror(stdout))
quiterr("error writing PostScript file");
}
putchar('\n');
/* free scanline */
free((void *)scanin);
}
static void
ppm2ra2( /* convert 2-byte Pixmap to Radiance picture */
colorscanf_t *getscan
)
{
COLOR *scanout;
double mult;
int y;
register int x;
/* allocate scanline */
scanout = (COLOR *)malloc(xmax*sizeof(COLOR));
if (scanout == NULL)
quiterr("out of memory in ppm2ra2");
if (bradj)
mult = pow(2., (double)bradj);
/* convert image */
for (y = ymax-1; y >= 0; y--) {
if ((*getscan)(scanout, xmax, stdin) < 0)
quiterr("error reading Pixmap");
for (x = (gamcor>1.01)|(gamcor<0.99)?xmax:0; x--; ) {
colval(scanout[x],RED) =
pow(colval(scanout[x],RED), gamcor);
colval(scanout[x],GRN) =
pow(colval(scanout[x],GRN), gamcor);
colval(scanout[x],BLU) =
pow(colval(scanout[x],BLU), gamcor);
}
for (x = bradj?xmax:0; x--; )
scalecolor(scanout[x], mult);
if (fwritescan(scanout, xmax, stdout) < 0)
quiterr("error writing Radiance picture");
}
/* free scanline */
free((void *)scanout);
}
int
main (int ac, char *av[])
{
char *prog_name = av[0];
char *fn, *tn;
struct stat fs, ts;
while (++av, --ac) {
if (strcmp(*av, "-silent") == 0)
silent = 1;
else if (strcmp(*av, "-ignorelinks") == 0)
ignore_links = 1;
else if (strcmp(*av, "-withrevinfo") == 0)
with_revinfo = 1;
else if (strcmp(*av, "--") == 0) {
++av, --ac;
break;
}
else
break;
}
if (ac < 1 || ac > 2)
quit (1, "usage: %s [-silent] [-ignorelinks] fromdir [todir]",
prog_name);
fn = av[0];
if (ac == 2)
tn = av[1];
else
tn = ".";
/* to directory */
if (stat (tn, &ts) < 0)
quiterr (1, tn);
#ifdef S_ISDIR
if (!(S_ISDIR(ts.st_mode)))
#else
if (!(ts.st_mode & S_IFMT) == S_IFDIR)
#endif
quit (2, "%s: Not a directory", tn);
if (chdir (tn) < 0)
quiterr (1, tn);
/* from directory */
if (stat (fn, &fs) < 0)
quiterr (1, fn);
#ifdef S_ISDIR
if (!(S_ISDIR(fs.st_mode)))
#else
if (!(fs.st_mode & S_IFMT) == S_IFDIR)
#endif
quit (2, "%s: Not a directory", fn);
exit (dodir (fn, &fs, &ts, 0));
}
static void
ra2ppm( /* convert Radiance picture to 1-byte/sample Pixmap */
int binary,
int grey
)
{
COLR *scanin;
register int x;
int y;
/* allocate scanline */
scanin = (COLR *)malloc(xmax*sizeof(COLR));
if (scanin == NULL)
quiterr("out of memory in ra2ppm");
/* convert image */
for (y = ymax-1; y >= 0; y--) {
if (freadcolrs(scanin, xmax, stdin) < 0)
quiterr("error reading Radiance picture");
if (bradj)
shiftcolrs(scanin, xmax, bradj);
for (x = grey?xmax:0; x--; )
scanin[x][GRN] = normbright(scanin[x]);
colrs_gambs(scanin, xmax);
if (grey)
if (binary)
for (x = 0; x < xmax; x++)
putc(scanin[x][GRN], stdout);
else
for (x = 0; x < xmax; x++)
printf("%d\n", scanin[x][GRN]);
else
if (binary)
for (x = 0; x < xmax; x++) {
putc(scanin[x][RED], stdout);
putc(scanin[x][GRN], stdout);
putc(scanin[x][BLU], stdout);
}
else
for (x = 0; x < xmax; x++)
printf("%d %d %d\n", scanin[x][RED],
scanin[x][GRN],
scanin[x][BLU]);
if (ferror(stdout))
quiterr("error writing Pixmap");
}
/* free scanline */
free((void *)scanin);
}
static int
getint2( /* get a 2-byte positive integer */
register FILE *fp
)
{
register int b1, b2;
if ((b1 = getc(fp)) == EOF || (b2 = getc(fp)) == EOF)
quiterr("read error");
return(b1 | b2<<8);
}
static void
ppm2ra( /* convert 1-byte Pixmap to Radiance picture */
colrscanf_t *getscan
)
{
COLR *scanout;
int y;
/* allocate scanline */
scanout = (COLR *)malloc(xmax*sizeof(COLR));
if (scanout == NULL)
quiterr("out of memory in ppm2ra");
/* convert image */
for (y = ymax-1; y >= 0; y--) {
if ((*getscan)(scanout, xmax, stdin) < 0)
quiterr("error reading Pixmap");
gambs_colrs(scanout, xmax);
if (bradj)
shiftcolrs(scanout, xmax, bradj);
if (fwritecolrs(scanout, xmax, stdout) < 0)
quiterr("error writing Radiance picture");
}
/* free scanline */
free((void *)scanout);
}
int
main(
int argc,
char *argv[]
)
{
int i;
progname = argv[0];
for (i = 1; i < argc; i++)
if (argv[i][0] == '-')
switch (argv[i][1]) {
case 't': /* threshold value */
thresh = atof(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);
}
/* assign threshold color */
setcolr(threshclr, thresh, thresh, thresh);
/* get our header */
if (checkheader(stdin, COLRFMT, NULL) < 0 ||
fgetresolu(&xmax, &ymax, stdin) < 0)
quiterr("bad picture format");
/* convert file */
ra2hex();
exit(0);
userr:
fprintf(stderr,
"Usage: %s [-t thresh] [input [output]]\n", progname);
exit(1);
}
/* Recursively create symbolic links from the current directory to the "from"
directory. Assumes that files described by fs and ts are directories. */
static int
dodir (char *fn, /* name of "from" directory, either absolute or
relative to cwd */
struct stat *fs,
struct stat *ts, /* stats for the "from" directory and cwd */
int rel) /* if true, prepend "../" to fn before using */
{
DIR *df;
struct dirent *dp;
char buf[MAXPATHLEN + 1], *p;
char symbuf[MAXPATHLEN + 1];
char basesym[MAXPATHLEN + 1];
struct stat sb, sc;
int n_dirs;
int symlen;
int basesymlen = -1;
char *ocurdir;
if ((fs->st_dev == ts->st_dev) && (fs->st_ino == ts->st_ino)) {
msg ("%s: From and to directories are identical!", fn);
return 1;
}
if (rel)
strcpy (buf, "../");
else
buf[0] = '\0';
strcat (buf, fn);
if (!(df = opendir (buf))) {
msg ("%s: Cannot opendir", buf);
return 1;
}
p = buf + strlen (buf);
if (*(p - 1) != '/')
*p++ = '/';
n_dirs = fs->st_nlink;
while ((dp = readdir (df))) {
if (dp->d_name[strlen(dp->d_name) - 1] == '~')
continue;
#ifdef __DARWIN__
/* Ignore these Mac OS X Finder data files */
if (!strcmp(dp->d_name, ".DS_Store") ||
!strcmp(dp->d_name, "._.DS_Store"))
continue;
#endif
strcpy (p, dp->d_name);
if (n_dirs > 0) {
if (lstat (buf, &sb) < 0) {
mperror (buf);
continue;
}
#ifdef S_ISDIR
if(S_ISDIR(sb.st_mode))
#else
if ((sb.st_mode & S_IFMT) == S_IFDIR)
#endif
{
/* directory */
n_dirs--;
if (dp->d_name[0] == '.' &&
(dp->d_name[1] == '\0' || (dp->d_name[1] == '.' &&
dp->d_name[2] == '\0')))
continue;
if (!with_revinfo) {
if (!strcmp (dp->d_name, "BitKeeper"))
continue;
if (!strcmp (dp->d_name, "RCS"))
continue;
if (!strcmp (dp->d_name, "SCCS"))
continue;
if (!strcmp (dp->d_name, "CVS"))
continue;
if (!strcmp (dp->d_name, "CVS.adm"))
continue;
if (!strcmp (dp->d_name, ".svn"))
continue;
}
ocurdir = rcurdir;
rcurdir = buf;
curdir = silent ? buf : (char *)0;
if (!silent)
printf ("%s:\n", buf);
if ((stat (dp->d_name, &sc) < 0) && (errno == ENOENT)) {
if (mkdir (dp->d_name, 0777) < 0 ||
stat (dp->d_name, &sc) < 0) {
mperror (dp->d_name);
curdir = rcurdir = ocurdir;
continue;
}
}
if (readlink (dp->d_name, symbuf, sizeof(symbuf) - 1) >= 0) {
msg ("%s: is a link instead of a directory", dp->d_name);
curdir = rcurdir = ocurdir;
continue;
}
if (chdir (dp->d_name) < 0) {
mperror (dp->d_name);
curdir = rcurdir = ocurdir;
continue;
}
dodir (buf, &sb, &sc, (buf[0] != '/'));
if (chdir ("..") < 0)
quiterr (1, "..");
curdir = rcurdir = ocurdir;
continue;
}
}
/* non-directory */
symlen = readlink (dp->d_name, symbuf, sizeof(symbuf) - 1);
if (symlen >= 0)
symbuf[symlen] = '\0';
/* The option to ignore links exists mostly because
checking for them slows us down by 10-20%.
But it is off by default because this really is a useful check. */
if (!ignore_links) {
/* see if the file in the base tree was a symlink */
basesymlen = readlink(buf, basesym, sizeof(basesym) - 1);
if (basesymlen >= 0)
basesym[basesymlen] = '\0';
}
if (symlen >= 0) {
/* Link exists in new tree. Print message if it doesn't match. */
if (!equivalent (basesymlen>=0 ? basesym : buf, symbuf,
basesymlen>=0 ? (char **) 0 : &p))
msg ("%s: %s", dp->d_name, symbuf);
} else {
char *sympath;
if (basesymlen>=0) {
if ((buf[0] == '.') && (buf[1] == '.') && (buf[2] == '/') &&
(basesym[0] == '.') && (basesym[1] == '.') &&
(basesym[2] == '/')) {
/* It becomes very tricky here. We have
../../bar/foo symlinked to ../xxx/yyy. We
can't just use ../xxx/yyy. We have to use
../../bar/foo/../xxx/yyy. */
int i;
char *start, *end;
strcpy (symbuf, buf);
/* Find the first char after "../" in symbuf. */
start = symbuf;
do {
start += 3;
} while ((start[0] == '.') && (start[1] == '.') &&
(start[2] == '/'));
/* Then try to eliminate "../"s in basesym. */
i = 0;
end = strrchr (symbuf, '/');
if (start < end) {
do {
i += 3;
end--;
while ((*end != '/') && (end != start))
end--;
if (end == start)
break;
} while ((basesym[i] == '.') &&
(basesym[i + 1] == '.') &&
(basesym[i + 2] == '/'));
}
if (*end == '/')
end++;
strcpy (end, &basesym[i]);
sympath = symbuf;
}
else
sympath = basesym;
}
else
sympath = buf;
if (symlink (sympath, dp->d_name) < 0)
mperror (dp->d_name);
}
}
closedir (df);
return 0;
}
int
main(
int argc,
char *argv[]
)
{
struct hdStruct head;
int dither = 1;
int reverse = 0;
int ncolors = 256;
int greyscale = 0;
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 'd':
dither = !dither;
break;
case 'g':
gamv = atof(argv[++i]);
break;
case 'r':
reverse = !reverse;
break;
case 'b':
greyscale = 1;
break;
case 'e':
if (argv[i+1][0] != '+' && argv[i+1][0] != '-')
goto userr;
bradj = atoi(argv[++i]);
break;
case 'c':
ncolors = 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) {
sprintf(errmsg, "cannot open input \"%s\"", argv[i]);
quiterr(errmsg);
}
if (i == argc-2 && freopen(argv[i+1], "w", stdout) == NULL) {
sprintf(errmsg, "cannot open output \"%s\"", argv[i+1]);
quiterr(errmsg);
}
if (reverse) {
/* get header */
if (getthead(&head, NULL, stdin) < 0)
quiterr("bad targa file");
if (!goodpic(&head))
quiterr("incompatible format");
xmax = head.x;
ymax = head.y;
/* put header */
newheader("RADIANCE", stdout);
printargs(i, argv, stdout);
fputformat(COLRFMT, stdout);
putchar('\n');
fprtresolu(xmax, ymax, stdout);
/* convert file */
tg2ra(&head);
} else {
if (getrhead(&head, stdin) < 0)
quiterr("bad Radiance input");
/* write header */
putthead(&head, NULL, stdout);
/* convert file */
if (greyscale)
getgrey(ncolors);
else
getmapped(ncolors, dither);
/* write data */
writetarga(&head, tarData, stdout);
}
quiterr(NULL);
userr:
fprintf(stderr,
"Usage: %s [-d][-n samp][-c ncolors][-b][-g gamv][-e +/-stops] input [output]\n",
progname);
fprintf(stderr, " Or: %s -r [-g gamv][-e +/-stops] [input [output]]\n",
progname);
exit(1);
}
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[]
)
{
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);
}
static void
ra2ppm2( /* convert Radiance picture to Pixmap (2-byte) */
int binary,
int grey
)
{
COLOR *scanin;
double mult, d;
register int x;
int y;
/* allocate scanline */
scanin = (COLOR *)malloc(xmax*sizeof(COLOR));
if (scanin == NULL)
quiterr("out of memory in ra2ppm2");
if (bradj)
mult = pow(2., (double)bradj);
/* convert image */
for (y = ymax-1; y >= 0; y--) {
if (freadscan(scanin, xmax, stdin) < 0)
quiterr("error reading Radiance picture");
for (x = bradj?xmax:0; x--; )
scalecolor(scanin[x], mult);
for (x = grey?xmax:0; x--; )
colval(scanin[x],GRN) = bright(scanin[x]);
d = 1./gamcor;
for (x = (d>1.01)|(d<0.99)?xmax:0; x--; ) {
colval(scanin[x],GRN) = pow(colval(scanin[x],GRN), d);
if (!grey) {
colval(scanin[x],RED) =
pow(colval(scanin[x],RED), d);
colval(scanin[x],BLU) =
pow(colval(scanin[x],BLU), d);
}
}
if (grey)
if (binary)
for (x = 0; x < xmax; x++)
putby2(intv(colval(scanin[x],GRN)),
stdout);
else
for (x = 0; x < xmax; x++)
printf("%u\n",
intv(colval(scanin[x],GRN)));
else
if (binary)
for (x = 0; x < xmax; x++) {
putby2(intv(colval(scanin[x],RED)),
stdout);
putby2(intv(colval(scanin[x],GRN)),
stdout);
putby2(intv(colval(scanin[x],BLU)),
stdout);
}
else
for (x = 0; x < xmax; x++)
printf("%u %u %u\n",
intv(colval(scanin[x],RED)),
intv(colval(scanin[x],GRN)),
intv(colval(scanin[x],BLU)));
if (ferror(stdout))
quiterr("error writing Pixmap");
}
/* free scanline */
free((void *)scanin);
}
