| 135 |
|
maxcolors = 2; |
| 136 |
|
break; |
| 137 |
|
case 'd': |
| 138 |
< |
if (argv[i][2] == 'i') { |
| 138 |
> |
if (argv[i][2] == 'i') |
| 139 |
|
dispname = argv[++i]; |
| 140 |
< |
break; |
| 141 |
< |
} |
| 142 |
< |
dither = !dither; |
| 140 |
> |
else |
| 141 |
> |
dither = !dither; |
| 142 |
|
break; |
| 143 |
|
case 'f': |
| 144 |
|
fast = !fast; |
| 149 |
|
scale = atoi(argv[++i]); |
| 150 |
|
break; |
| 151 |
|
case 'g': |
| 152 |
< |
if (!strcmp(argv[i], "-geometry")) |
| 152 |
> |
if (argv[i][2] == 'e') |
| 153 |
|
geometry = argv[++i]; |
| 154 |
|
else |
| 155 |
|
gamcor = atof(argv[++i]); |
| 190 |
|
getevent(); /* main loop */ |
| 191 |
|
userr: |
| 192 |
|
fprintf(stderr, |
| 193 |
< |
"Usage: %s [-geometry spec][-b][-m][-d][-f][-c ncolors][-e +/-stops] file\n", |
| 193 |
> |
"Usage: %s [-display disp][-geometry spec][-b][-m][-d][-f][-c ncolors][-e +/-stops] file\n", |
| 194 |
|
progname); |
| 195 |
|
quit(1); |
| 196 |
|
} |
| 361 |
|
|
| 362 |
|
getbestvis() /* get the best visual for this screen */ |
| 363 |
|
{ |
| 364 |
+ |
#ifdef DEBUG |
| 365 |
|
static char vistype[][12] = { |
| 366 |
|
"StaticGray", |
| 367 |
|
"GrayScale", |
| 370 |
|
"TrueColor", |
| 371 |
|
"DirectColor" |
| 372 |
|
}; |
| 373 |
+ |
#endif |
| 374 |
|
static int rankings[3][6] = { |
| 375 |
|
{TrueColor,DirectColor,PseudoColor,GrayScale,StaticGray,-1}, |
| 376 |
< |
{PseudoColor,GrayScale,-1}, |
| 377 |
< |
{PseudoColor,GrayScale,-1} |
| 376 |
> |
{PseudoColor,GrayScale,StaticGray,-1}, |
| 377 |
> |
{PseudoColor,GrayScale,StaticGray,-1} |
| 378 |
|
}; |
| 379 |
|
XVisualInfo *xvi; |
| 380 |
|
int vismatched; |
| 394 |
|
xvi = XGetVisualInfo(thedisplay,VisualScreenMask,&ourvis,&vismatched); |
| 395 |
|
if (xvi == NULL) |
| 396 |
|
quiterr("no visuals for this screen!"); |
| 397 |
< |
for (i = 0; i < vismatched; i++) |
| 398 |
< |
fprintf(stderr, "Type %s, depth %d\n", vistype[xvi[i].class], xvi[i].depth); |
| 397 |
> |
#ifdef DEBUG |
| 398 |
> |
fprintf(stderr, "Supported visuals:\n"); |
| 399 |
> |
for (i = 0; i < vismatched; i++) |
| 400 |
> |
fprintf(stderr, "\ttype %s, depth %d\n", |
| 401 |
> |
vistype[xvi[i].class], xvi[i].depth); |
| 402 |
> |
#endif |
| 403 |
|
for (i = 0, j = 1; j < vismatched; j++) |
| 404 |
|
if (viscmp(&xvi[i],&xvi[j]) > 0) |
| 405 |
|
i = j; |
| 412 |
|
quiterr("inadequate visuals on this screen"); |
| 413 |
|
/* OK, we'll use it */ |
| 414 |
|
copystruct(&ourvis, &xvi[i]); |
| 415 |
< |
fprintf(stderr, "Selected visual type %s, depth %d\n", vistype[ourvis.class], |
| 416 |
< |
ourvis.depth); |
| 415 |
> |
#ifdef DEBUG |
| 416 |
> |
fprintf(stderr, "Selected visual type %s, depth %d\n", |
| 417 |
> |
vistype[ourvis.class], ourvis.depth); |
| 418 |
> |
#endif |
| 419 |
|
if (ourvis.class == GrayScale || ourvis.class == StaticGray) |
| 420 |
|
greyscale = 1; |
| 421 |
< |
if (1<<ourvis.depth < maxcolors) |
| 422 |
< |
maxcolors = 1<<ourvis.depth; |
| 421 |
> |
if (ourvis.depth <= 8 && ourvis.colormap_size < maxcolors) |
| 422 |
> |
maxcolors = ourvis.colormap_size; |
| 423 |
|
if (maxcolors > 4) |
| 424 |
|
maxcolors -= 2; |
| 425 |
|
XFree((char *)xvi); |
| 457 |
|
xmax, ymax, 8); |
| 458 |
|
if (ourras == NULL) |
| 459 |
|
goto fail; |
| 460 |
< |
if (greyscale) |
| 461 |
< |
biq(dither,maxcolors,1,ourmap); |
| 462 |
< |
else |
| 463 |
< |
ciq(dither,maxcolors,1,ourmap); |
| 464 |
< |
if (init_rcolors(ourras, ourmap[0], ourmap[1], ourmap[2]) == 0) |
| 465 |
< |
goto fail; |
| 460 |
> |
if (ourvis.class == StaticGray) |
| 461 |
> |
getgrey(); |
| 462 |
> |
else { |
| 463 |
> |
if (greyscale) |
| 464 |
> |
biq(dither,maxcolors,1,ourmap); |
| 465 |
> |
else |
| 466 |
> |
ciq(dither,maxcolors,1,ourmap); |
| 467 |
> |
if (init_rcolors(ourras, ourmap[0], |
| 468 |
> |
ourmap[1], ourmap[2]) == 0) |
| 469 |
> |
goto fail; |
| 470 |
> |
} |
| 471 |
|
} |
| 472 |
< |
return; |
| 472 |
> |
return; |
| 473 |
|
fail: |
| 474 |
|
quiterr("could not create raster image"); |
| 475 |
|
} |
| 500 |
|
make_rpixmap(ourras, wind); |
| 501 |
|
break; |
| 502 |
|
case UnmapNotify: |
| 503 |
< |
unmap_rcolors(ourras); |
| 503 |
> |
if (!fast) |
| 504 |
> |
unmap_rcolors(ourras); |
| 505 |
|
break; |
| 506 |
|
case Expose: |
| 507 |
|
redraw(e.e.x, e.e.y, e.e.width, e.e.height); |
| 857 |
|
} |
| 858 |
|
|
| 859 |
|
|
| 860 |
+ |
getgrey() /* get greyscale data */ |
| 861 |
+ |
{ |
| 862 |
+ |
int y; |
| 863 |
+ |
register unsigned char *dp; |
| 864 |
+ |
register int x; |
| 865 |
+ |
/* set gamma correction */ |
| 866 |
+ |
setcolrgam(gamcor); |
| 867 |
+ |
/* read and convert file */ |
| 868 |
+ |
dp = ourdata; |
| 869 |
+ |
for (y = 0; y < ymax; y++) { |
| 870 |
+ |
if (getscan(y) < 0) |
| 871 |
+ |
quiterr("seek error in getfull"); |
| 872 |
+ |
if (scale) |
| 873 |
+ |
shiftcolrs(scanline, xmax, scale); |
| 874 |
+ |
colrs_gambs(scanline, xmax); |
| 875 |
+ |
add2icon(y, scanline); |
| 876 |
+ |
if (ourvis.colormap_size < 256) |
| 877 |
+ |
for (x = 0; x < xmax; x++) |
| 878 |
+ |
*dp++ = ((long)normbright(scanline[x]) * |
| 879 |
+ |
ourvis.colormap_size + 128) >> 8; |
| 880 |
+ |
else |
| 881 |
+ |
for (x = 0; x < xmax; x++) |
| 882 |
+ |
*dp++ = normbright(scanline[x]); |
| 883 |
+ |
} |
| 884 |
+ |
} |
| 885 |
+ |
|
| 886 |
+ |
|
| 887 |
|
scale_rcolors(xr, sf) /* scale color map */ |
| 888 |
|
register XRASTER *xr; |
| 889 |
|
double sf; |
| 975 |
|
picwritecm(map) /* handled elsewhere */ |
| 976 |
|
colormap map; |
| 977 |
|
{ |
| 978 |
< |
#ifdef DEBUG |
| 978 |
> |
#if 0 |
| 979 |
|
register int i; |
| 980 |
|
|
| 981 |
|
for (i = 0; i < 256; i++) |