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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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|
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#ifdef __alpha |
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#define int4 int |
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#endif |
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#ifndef int4 |
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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)-'@') |
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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 |
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int sigrecv; |
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|
124 |
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int onsig() { sigrecv++; } |
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|
126 |
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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; |
180 |
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|
181 |
< |
if (i == argc-1) { |
181 |
> |
if (i > argc) |
182 |
> |
goto userr; |
183 |
> |
while (i < argc-1) { |
184 |
> |
sigrecv = 0; |
185 |
> |
signal(SIGCONT, onsig); |
186 |
> |
if ((pid=fork()) == 0) { /* a child for each picture */ |
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parent = -1; |
188 |
> |
break; |
189 |
> |
} |
190 |
> |
if (pid < 0) |
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> |
quiterr("fork failed"); |
192 |
> |
parent++; |
193 |
> |
while (!sigrecv) |
194 |
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pause(); /* wait for wake-up call */ |
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i++; |
196 |
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} |
197 |
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if (i < argc) { /* open picture file */ |
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fname = argv[i]; |
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fin = fopen(fname, "r"); |
200 |
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if (fin == NULL) { |
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sprintf(errmsg, "cannot open file \"%s\"", fname); |
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quiterr(errmsg); |
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} |
204 |
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} else if (i != argc) |
174 |
< |
goto userr; |
204 |
> |
} |
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/* get header */ |
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getheader(fin, headline, NULL); |
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/* get picture dimensions */ |
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|
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init(argc, argv); /* get file and open window */ |
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|
220 |
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if (parent < 0) { |
221 |
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kill(getppid(), SIGCONT); /* signal parent if child */ |
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sigrecv--; |
223 |
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} |
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for ( ; ; ) |
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getevent(); /* main loop */ |
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userr: |
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fprintf(stderr, |
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< |
"Usage: %s [-di disp][[-ge] spec][-b][-m][-d][-f][-c nclrs][-e +/-stops] pic\n", |
228 |
> |
"Usage: %s [-di disp][[-ge] spec][-b][-m][-d][-f][-c nclrs][-e +/-stops] pic ..\n", |
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progname); |
230 |
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exit(1); |
231 |
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} |
316 |
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quiterr("cannot create window"); |
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width = xmax; |
318 |
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height = ymax; |
319 |
< |
xgcv.foreground = ourblack; |
286 |
< |
xgcv.background = ourwhite; |
319 |
> |
/* prepare graphics drawing context */ |
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if ((xgcv.font = XLoadFont(thedisplay, FONTNAME)) == 0) |
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quiterr("cannot get font"); |
322 |
+ |
xgcv.foreground = ourblack; |
323 |
+ |
xgcv.background = ourwhite; |
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ourgc = XCreateGC(thedisplay, wind, GCForeground|GCBackground| |
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GCFont, &xgcv); |
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xgcv.function = GXinvert; |
356 |
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quiterr(err) /* print message and exit */ |
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char *err; |
358 |
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{ |
359 |
< |
if (err != NULL) { |
360 |
< |
fprintf(stderr, "%s: %s\n", progname, err); |
361 |
< |
exit(1); |
359 |
> |
register int es; |
360 |
> |
int cs; |
361 |
> |
|
362 |
> |
if (es = err != NULL) |
363 |
> |
fprintf(stderr, "%s: %s: %s\n", progname, |
364 |
> |
fname==NULL?"<stdin>":fname, err); |
365 |
> |
if (parent > 0 & wind != 0) { |
366 |
> |
XDestroyWindow(thedisplay, wind); |
367 |
> |
XFlush(thedisplay); |
368 |
> |
} else if (parent < 0 & sigrecv == 0) |
369 |
> |
kill(getppid(), SIGCONT); |
370 |
> |
while (parent > 0 && wait(&cs) != -1) { /* wait for any children */ |
371 |
> |
if (es == 0) |
372 |
> |
es = cs>>8 & 0xff; |
373 |
> |
parent--; |
374 |
|
} |
375 |
< |
exit(0); |
375 |
> |
exit(es); |
376 |
|
} |
377 |
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|
378 |
|
|
513 |
|
goto fail; |
514 |
|
getmono(); |
515 |
|
} else if (ourvis.class == TrueColor | ourvis.class == DirectColor) { |
516 |
< |
ourdata = (unsigned char *)malloc(4*xmax*ymax); |
516 |
> |
ourdata = (unsigned char *)malloc(sizeof(int4)*xmax*ymax); |
517 |
|
if (ourdata == NULL) |
518 |
|
goto fail; |
519 |
< |
ourras = make_raster(thedisplay, &ourvis, 32, |
519 |
> |
ourras = make_raster(thedisplay, &ourvis, sizeof(int4)*8, |
520 |
|
ourdata, xmax, ymax, 32); |
521 |
|
if (ourras == NULL) |
522 |
|
goto fail; |
576 |
|
else |
577 |
|
getbox(&xev.xbutton); |
578 |
|
break; |
579 |
< |
case ClientMessage: |
579 |
> |
case ClientMessage: |
580 |
|
if ((xev.xclient.message_type == wmProtocolsAtom) && |
581 |
|
(xev.xclient.data.l[0] == closedownAtom)) |
582 |
|
quiterr(NULL); |
700 |
|
make_rpixmap(ourras, wind); |
701 |
|
redraw(0, 0, width, height); |
702 |
|
return(0); |
703 |
+ |
case 'f': /* turn on fast redraw */ |
704 |
+ |
fast = 1; |
705 |
+ |
make_rpixmap(ourras, wind); |
706 |
+ |
return(0); |
707 |
+ |
case 'F': /* turn off fast redraw */ |
708 |
+ |
fast = 0; |
709 |
+ |
free_rpixmap(ourras); |
710 |
+ |
return(0); |
711 |
|
case '0': /* recenter origin */ |
712 |
|
if (xoff == 0 & yoff == 0) |
713 |
|
return(0); |
923 |
|
getfull() /* get full (24-bit) data */ |
924 |
|
{ |
925 |
|
int y; |
926 |
< |
register unsigned long *dp; |
926 |
> |
register unsigned int4 *dp; |
927 |
|
register int x; |
928 |
|
/* set gamma correction */ |
929 |
|
setcolrgam(gamcor); |
930 |
|
/* read and convert file */ |
931 |
< |
dp = (unsigned long *)ourdata; |
931 |
> |
dp = (unsigned int4 *)ourdata; |
932 |
|
for (y = 0; y < ymax; y++) { |
933 |
|
getscan(y); |
934 |
|
add2icon(y, scanline); |
983 |
|
getmapped() /* get color-mapped data */ |
984 |
|
{ |
985 |
|
int y; |
986 |
+ |
/* make sure we can do it first */ |
987 |
+ |
if (fname == NULL) |
988 |
+ |
quiterr("cannot map colors from standard input"); |
989 |
|
/* set gamma correction */ |
990 |
|
setcolrgam(gamcor); |
991 |
|
/* make histogram */ |
992 |
|
new_histo(); |
993 |
|
for (y = 0; y < ymax; y++) { |
994 |
|
if (getscan(y) < 0) |
995 |
< |
quiterr("seek error in getmapped"); |
995 |
> |
break; |
996 |
|
add2icon(y, scanline); |
997 |
|
if (scale) |
998 |
|
shiftcolrs(scanline, xmax, scale); |
1003 |
|
if (!new_clrtab(maxcolors)) |
1004 |
|
quiterr("cannot create color map"); |
1005 |
|
for (y = 0; y < ymax; y++) { |
1006 |
< |
if (getscan(y) < 0) |
949 |
< |
quiterr("seek error in getmapped"); |
1006 |
> |
getscan(y); |
1007 |
|
if (scale) |
1008 |
|
shiftcolrs(scanline, xmax, scale); |
1009 |
|
colrs_gambs(scanline, xmax); |
1046 |
|
getscan(y) |
1047 |
|
int y; |
1048 |
|
{ |
1049 |
+ |
static int trunced = -1; /* truncated file? */ |
1050 |
+ |
skipit: |
1051 |
+ |
if (trunced >= 0 && y >= trunced) { |
1052 |
+ |
bzero(scanline, xmax*sizeof(COLR)); |
1053 |
+ |
return(-1); |
1054 |
+ |
} |
1055 |
|
if (y != cury) { |
1056 |
|
if (scanpos == NULL || scanpos[y] == -1) |
1057 |
|
return(-1); |
1061 |
|
} else if (scanpos != NULL && scanpos[y] == -1) |
1062 |
|
scanpos[y] = ftell(fin); |
1063 |
|
|
1064 |
< |
if (freadcolrs(scanline, xmax, fin) < 0) |
1065 |
< |
quiterr("read error"); |
1066 |
< |
|
1064 |
> |
if (freadcolrs(scanline, xmax, fin) < 0) { |
1065 |
> |
fprintf(stderr, "%s: %s: unfinished picture\n", |
1066 |
> |
progname, fname==NULL?"<stdin>":fname); |
1067 |
> |
trunced = y; |
1068 |
> |
goto skipit; |
1069 |
> |
} |
1070 |
|
cury++; |
1071 |
|
return(0); |
1072 |
|
} |