| 21 |
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|
| 22 |
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#include "standard.h" |
| 23 |
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|
| 24 |
+ |
#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 |
+ |
#ifdef __alpha |
| 37 |
+ |
#define int4 int |
| 38 |
+ |
#endif |
| 39 |
+ |
#ifndef int4 |
| 40 |
+ |
#define int4 long |
| 41 |
+ |
#endif |
| 42 |
+ |
|
| 43 |
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#define FONTNAME "8x13" /* text font we'll use */ |
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|
| 45 |
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#define CTRL(c) ((c)-'@') |
| 72 |
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int xoff = 0; /* x image offset */ |
| 73 |
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int yoff = 0; /* y image offset */ |
| 74 |
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|
| 75 |
+ |
int parent = 0; /* number of children, -1 if child */ |
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+ |
|
| 77 |
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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; |
| 120 |
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Atom closedownAtom, wmProtocolsAtom; |
| 121 |
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|
| 122 |
+ |
int noop() {} |
| 123 |
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|
| 124 |
+ |
|
| 125 |
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main(argc, argv) |
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int argc; |
| 127 |
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char *argv[]; |
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char *gv; |
| 131 |
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int headline(); |
| 132 |
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int i; |
| 133 |
+ |
int pid; |
| 134 |
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|
| 135 |
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progname = argv[0]; |
| 136 |
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if ((gv = getenv("GAMMA")) != NULL) |
| 176 |
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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 */ |
| 194 |
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fname = argv[i]; |
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fin = fopen(fname, "r"); |
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if (fin == NULL) { |
| 197 |
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sprintf(errmsg, "cannot open file \"%s\"", fname); |
| 198 |
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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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|
| 214 |
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init(argc, argv); /* get file and open window */ |
| 215 |
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|
| 216 |
+ |
if (parent < 0) |
| 217 |
+ |
kill(getppid(), SIGCONT); /* signal parent if child */ |
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+ |
|
| 219 |
|
for ( ; ; ) |
| 220 |
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getevent(); /* main loop */ |
| 221 |
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userr: |
| 222 |
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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", |
| 224 |
|
progname); |
| 225 |
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exit(1); |
| 226 |
|
} |
| 350 |
|
quiterr(err) /* print message and exit */ |
| 351 |
|
char *err; |
| 352 |
|
{ |
| 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); |
| 359 |
|
} |
| 360 |
< |
exit(0); |
| 360 |
> |
while (parent > 0 && wait(0) != -1) /* wait for any children */ |
| 361 |
> |
parent--; |
| 362 |
> |
exit(err != NULL); |
| 363 |
|
} |
| 364 |
|
|
| 365 |
|
|
| 500 |
|
goto fail; |
| 501 |
|
getmono(); |
| 502 |
|
} 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 |
|
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); |
| 687 |
|
make_rpixmap(ourras, wind); |
| 688 |
|
redraw(0, 0, width, height); |
| 689 |
|
return(0); |
| 690 |
+ |
case 'f': /* turn on fast redraw */ |
| 691 |
+ |
fast = 1; |
| 692 |
+ |
make_rpixmap(ourras, wind); |
| 693 |
+ |
return(0); |
| 694 |
+ |
case 'F': /* turn off fast redraw */ |
| 695 |
+ |
fast = 0; |
| 696 |
+ |
free_rpixmap(ourras); |
| 697 |
+ |
return(0); |
| 698 |
|
case '0': /* recenter origin */ |
| 699 |
|
if (xoff == 0 & yoff == 0) |
| 700 |
|
return(0); |
| 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); |