| 21 |
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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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|
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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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|
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Display *thedisplay; |
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Atom closedownAtom, wmProtocolsAtom; |
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|
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+ |
int noop() {} |
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|
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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; |
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|
| 179 |
< |
if (i == argc-1) { |
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> |
if (i > argc) |
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> |
goto userr; |
| 181 |
> |
while (i < argc-1) { |
| 182 |
> |
if ((pid=fork()) == 0) { /* a child for each picture */ |
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> |
parent = -1; |
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> |
break; |
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> |
} |
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> |
if (pid < 0) |
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> |
quiterr("fork failed"); |
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> |
parent++; |
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> |
signal(SIGCONT, noop); |
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> |
pause(); /* wait for wake-up call */ |
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> |
i++; |
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> |
} |
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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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} |
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< |
} else if (i != argc) |
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< |
goto userr; |
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> |
} |
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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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|
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+ |
if (parent < 0) |
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kill(getppid(), SIGCONT); /* signal parent if child */ |
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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", |
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> |
"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); |
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> |
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); |
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} |
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|
| 365 |
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|
| 500 |
|
goto fail; |
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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); |
| 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) |
| 949 |
< |
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 |
|
} |