614 |
|
make_rpixmap(ourras, wind); |
615 |
|
redraw(0, 0, width, height); |
616 |
|
return(0); |
617 |
+ |
case '0': /* recenter origin */ |
618 |
+ |
if (xoff == 0 & yoff == 0) |
619 |
+ |
return(0); |
620 |
+ |
xoff = yoff = 0; |
621 |
+ |
XClearWindow(thedisplay, wind); |
622 |
+ |
redraw(0, 0, width, height); |
623 |
+ |
return(0); |
624 |
|
case ' ': /* clear */ |
625 |
|
redraw(box.xmin, box.ymin, box.xsiz, box.ysiz); |
626 |
|
return(0); |
789 |
|
static short cerr[ICONSIZ]; |
790 |
|
static int ynext; |
791 |
|
static char *dp; |
792 |
< |
double sf; |
786 |
< |
COLOR col; |
792 |
> |
COLR clr; |
793 |
|
register int err; |
794 |
|
register int x, ti; |
795 |
|
int errp; |
814 |
|
} |
815 |
|
if (y < ynext*ymax/iconheight) /* skip this one */ |
816 |
|
return; |
811 |
– |
sf = pow(2.0, (double)(scale+8)); |
817 |
|
err = 0; |
818 |
|
for (x = 0; x < iconwidth; x++) { |
819 |
|
if (!(x&7)) |
820 |
|
*++dp = 0; |
821 |
|
errp = err; |
822 |
|
ti = x*xmax/iconwidth; |
823 |
< |
colr_color(col, scan[ti]); |
824 |
< |
ti = sf*bright(col); |
825 |
< |
if (ti > 255) ti = 255; |
821 |
< |
err += ti + cerr[x]; |
823 |
> |
copycolr(clr, scan[ti]); |
824 |
> |
normcolrs(clr, 1, scale); |
825 |
> |
err += normbright(clr) + cerr[x]; |
826 |
|
if (err > 127) |
827 |
|
err -= 255; |
828 |
|
else |
877 |
|
add2icon(y, scanline); |
878 |
|
if (scale) |
879 |
|
shiftcolrs(scanline, xmax, scale); |
880 |
+ |
for (x = 0; x < xmax; x++) |
881 |
+ |
scanline[x][GRN] = normbright(scanline[x]); |
882 |
|
colrs_gambs(scanline, xmax); |
883 |
|
if (maxcolors < 256) |
884 |
|
for (x = 0; x < xmax; x++) |
885 |
< |
*dp++ = ((long)normbright(scanline[x]) * |
886 |
< |
maxcolors + 128) >> 8; |
885 |
> |
*dp++ = ((long)scanline[x][GRN] * |
886 |
> |
maxcolors + maxcolors/2) >> 8; |
887 |
|
else |
888 |
|
for (x = 0; x < xmax; x++) |
889 |
< |
*dp++ = normbright(scanline[x]); |
889 |
> |
*dp++ = scanline[x][GRN]; |
890 |
|
} |
891 |
|
for (x = 0; x < maxcolors; x++) |
892 |
|
clrtab[x][RED] = clrtab[x][GRN] = |
893 |
< |
clrtab[x][BLU] = ((long)x*256+maxcolors/2)/maxcolors; |
893 |
> |
clrtab[x][BLU] = ((long)x*256 + 128)/maxcolors; |
894 |
|
} |
895 |
|
|
896 |
|
|