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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)-'@') |
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 |
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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) |
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> |
quiterr("fork failed"); |
188 |
> |
parent++; |
189 |
> |
signal(SIGCONT, noop); |
190 |
> |
pause(); /* wait for wake-up call */ |
191 |
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i++; |
192 |
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} |
193 |
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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"); |
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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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} |
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 |
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if (parent < 0) |
217 |
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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); |
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} |
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quiterr(err) /* print message and exit */ |
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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); |
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} |
364 |
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|
365 |
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|
500 |
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goto fail; |
501 |
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getmono(); |
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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 |
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if (ourdata == NULL) |
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goto fail; |
506 |
< |
ourras = make_raster(thedisplay, &ourvis, 32, |
506 |
> |
ourras = make_raster(thedisplay, &ourvis, sizeof(int4)*8, |
507 |
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ourdata, xmax, ymax, 32); |
508 |
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if (ourras == NULL) |
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goto fail; |
563 |
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else |
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getbox(&xev.xbutton); |
565 |
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break; |
566 |
< |
case ClientMessage: |
566 |
> |
case ClientMessage: |
567 |
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if ((xev.xclient.message_type == wmProtocolsAtom) && |
568 |
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(xev.xclient.data.l[0] == closedownAtom)) |
569 |
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quiterr(NULL); |
662 |
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if (avgbox(cval) == -1) |
663 |
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return(-1); |
664 |
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comp = com=='@' |
665 |
< |
? 59.2/pow(1.219+pow(luminance(cval)/exposure,.4),2.5)/exposure |
665 |
> |
? 106./pow(1.219+pow(luminance(cval)/exposure,.4),2.5)/exposure |
666 |
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: .5/bright(cval) ; |
667 |
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comp = log(comp)/.69315 - scale; |
668 |
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n = comp < 0 ? comp-.5 : comp+.5 ; /* round */ |
687 |
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make_rpixmap(ourras, wind); |
688 |
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redraw(0, 0, width, height); |
689 |
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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); |