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22 |
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#include "standard.h" |
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|
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#include <signal.h> |
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#include <X11/Xlib.h> |
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#include <X11/cursorfont.h> |
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#include <X11/Xutil.h> |
33 |
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#include "random.h" |
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#include "resolu.h" |
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|
36 |
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#ifdef __alpha |
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#define int4 int |
38 |
+ |
#endif |
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#ifndef int4 |
40 |
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#define int4 long |
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#endif |
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|
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#define FONTNAME "8x13" /* text font we'll use */ |
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|
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#define CTRL(c) ((c)-'@') |
72 |
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int xoff = 0; /* x image offset */ |
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int yoff = 0; /* y image offset */ |
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|
75 |
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int parent = 0; /* number of children, -1 if child */ |
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|
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VIEW ourview = STDVIEW; /* image view parameters */ |
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int gotview = 0; /* got parameters from file */ |
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|
119 |
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Display *thedisplay; |
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Atom closedownAtom, wmProtocolsAtom; |
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|
122 |
+ |
int noop() {} |
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|
124 |
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|
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main(argc, argv) |
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int argc; |
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char *argv[]; |
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char *gv; |
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int headline(); |
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int i; |
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int pid; |
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|
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progname = argv[0]; |
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if ((gv = getenv("GAMMA")) != NULL) |
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else |
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break; |
178 |
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|
179 |
< |
if (i == argc-1) { |
179 |
> |
if (i > argc) |
180 |
> |
goto userr; |
181 |
> |
while (i < argc-1) { |
182 |
> |
if ((pid=fork()) == 0) { /* a child for each picture */ |
183 |
> |
parent = -1; |
184 |
> |
break; |
185 |
> |
} |
186 |
> |
if (pid < 0) |
187 |
> |
quiterr("fork failed"); |
188 |
> |
parent++; |
189 |
> |
signal(SIGCONT, noop); |
190 |
> |
pause(); /* wait for wake-up call */ |
191 |
> |
i++; |
192 |
> |
} |
193 |
> |
if (i < argc) { /* open picture file */ |
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fname = argv[i]; |
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fin = fopen(fname, "r"); |
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if (fin == NULL) { |
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sprintf(errmsg, "cannot open file \"%s\"", fname); |
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quiterr(errmsg); |
199 |
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} |
200 |
< |
} else if (i != argc) |
174 |
< |
goto userr; |
200 |
> |
} |
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/* get header */ |
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getheader(fin, headline, NULL); |
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/* get picture dimensions */ |
213 |
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|
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init(argc, argv); /* get file and open window */ |
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|
216 |
+ |
if (parent < 0) |
217 |
+ |
kill(getppid(), SIGCONT); /* signal parent if child */ |
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+ |
|
219 |
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for ( ; ; ) |
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getevent(); /* main loop */ |
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userr: |
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fprintf(stderr, |
223 |
< |
"Usage: %s [-di disp][[-ge] spec][-b][-m][-d][-f][-c nclrs][-e +/-stops] pic\n", |
223 |
> |
"Usage: %s [-di disp][[-ge] spec][-b][-m][-d][-f][-c nclrs][-e +/-stops] pic ..\n", |
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progname); |
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exit(1); |
226 |
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} |
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quiterr(err) /* print message and exit */ |
351 |
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char *err; |
352 |
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{ |
353 |
< |
if (err != NULL) { |
354 |
< |
fprintf(stderr, "%s: %s\n", progname, err); |
355 |
< |
exit(1); |
353 |
> |
if (err != NULL) |
354 |
> |
fprintf(stderr, "%s: %s: %s\n", progname, |
355 |
> |
fname==NULL?"<stdin>":fname, err); |
356 |
> |
if (wind) { |
357 |
> |
XDestroyWindow(thedisplay, wind); |
358 |
> |
XFlush(thedisplay); |
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} |
360 |
< |
exit(0); |
360 |
> |
while (parent > 0 && wait(0) != -1) /* wait for any children */ |
361 |
> |
parent--; |
362 |
> |
exit(err != NULL); |
363 |
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} |
364 |
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|
365 |
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|
500 |
|
goto fail; |
501 |
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getmono(); |
502 |
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} else if (ourvis.class == TrueColor | ourvis.class == DirectColor) { |
503 |
< |
ourdata = (unsigned char *)malloc(4*xmax*ymax); |
503 |
> |
ourdata = (unsigned char *)malloc(sizeof(int4)*xmax*ymax); |
504 |
|
if (ourdata == NULL) |
505 |
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goto fail; |
506 |
< |
ourras = make_raster(thedisplay, &ourvis, 32, |
506 |
> |
ourras = make_raster(thedisplay, &ourvis, sizeof(int4)*8, |
507 |
|
ourdata, xmax, ymax, 32); |
508 |
|
if (ourras == NULL) |
509 |
|
goto fail; |
563 |
|
else |
564 |
|
getbox(&xev.xbutton); |
565 |
|
break; |
566 |
< |
case ClientMessage: |
566 |
> |
case ClientMessage: |
567 |
|
if ((xev.xclient.message_type == wmProtocolsAtom) && |
568 |
|
(xev.xclient.data.l[0] == closedownAtom)) |
569 |
|
quiterr(NULL); |
910 |
|
getfull() /* get full (24-bit) data */ |
911 |
|
{ |
912 |
|
int y; |
913 |
< |
register unsigned long *dp; |
913 |
> |
register unsigned int4 *dp; |
914 |
|
register int x; |
915 |
|
/* set gamma correction */ |
916 |
|
setcolrgam(gamcor); |
917 |
|
/* read and convert file */ |
918 |
< |
dp = (unsigned long *)ourdata; |
918 |
> |
dp = (unsigned int4 *)ourdata; |
919 |
|
for (y = 0; y < ymax; y++) { |
920 |
|
getscan(y); |
921 |
|
add2icon(y, scanline); |
970 |
|
getmapped() /* get color-mapped data */ |
971 |
|
{ |
972 |
|
int y; |
973 |
+ |
/* make sure we can do it first */ |
974 |
+ |
if (fname == NULL) |
975 |
+ |
quiterr("cannot map colors from standard input"); |
976 |
|
/* set gamma correction */ |
977 |
|
setcolrgam(gamcor); |
978 |
|
/* make histogram */ |
979 |
|
new_histo(); |
980 |
|
for (y = 0; y < ymax; y++) { |
981 |
|
if (getscan(y) < 0) |
982 |
< |
quiterr("seek error in getmapped"); |
982 |
> |
break; |
983 |
|
add2icon(y, scanline); |
984 |
|
if (scale) |
985 |
|
shiftcolrs(scanline, xmax, scale); |
990 |
|
if (!new_clrtab(maxcolors)) |
991 |
|
quiterr("cannot create color map"); |
992 |
|
for (y = 0; y < ymax; y++) { |
993 |
< |
if (getscan(y) < 0) |
957 |
< |
quiterr("seek error in getmapped"); |
993 |
> |
getscan(y); |
994 |
|
if (scale) |
995 |
|
shiftcolrs(scanline, xmax, scale); |
996 |
|
colrs_gambs(scanline, xmax); |
1033 |
|
getscan(y) |
1034 |
|
int y; |
1035 |
|
{ |
1036 |
+ |
static int trunced = -1; /* truncated file? */ |
1037 |
+ |
skipit: |
1038 |
+ |
if (trunced >= 0 && y >= trunced) { |
1039 |
+ |
bzero(scanline, xmax*sizeof(COLR)); |
1040 |
+ |
return(-1); |
1041 |
+ |
} |
1042 |
|
if (y != cury) { |
1043 |
|
if (scanpos == NULL || scanpos[y] == -1) |
1044 |
|
return(-1); |
1048 |
|
} else if (scanpos != NULL && scanpos[y] == -1) |
1049 |
|
scanpos[y] = ftell(fin); |
1050 |
|
|
1051 |
< |
if (freadcolrs(scanline, xmax, fin) < 0) |
1052 |
< |
quiterr("read error"); |
1053 |
< |
|
1051 |
> |
if (freadcolrs(scanline, xmax, fin) < 0) { |
1052 |
> |
fprintf(stderr, "%s: %s: unfinished picture\n", |
1053 |
> |
progname, fname==NULL?"<stdin>":fname); |
1054 |
> |
trunced = y; |
1055 |
> |
goto skipit; |
1056 |
> |
} |
1057 |
|
cury++; |
1058 |
|
return(0); |
1059 |
|
} |