| 186 |
|
ms_init(); |
| 187 |
|
initialized = 1; |
| 188 |
|
_getvideoconfig(&config); |
| 189 |
< |
if (maxcolors == 0) |
| 190 |
< |
maxcolors = config.numcolors; |
| 191 |
< |
if (maxcolors > 4) { |
| 192 |
< |
maxcolors -= minpix = 2; |
| 193 |
< |
_settextcolor(ourwhite); |
| 194 |
< |
} |
| 189 |
> |
if (maxcolors == 0 | maxcolors > config.numcolors) |
| 190 |
> |
maxcolors = config.numcolors-2; |
| 191 |
> |
if (maxcolors <= config.numcolors-2) |
| 192 |
> |
minpix = 2; |
| 193 |
> |
else |
| 194 |
> |
ourwhite = maxcolors-1; |
| 195 |
> |
_settextcolor(ourwhite); |
| 196 |
|
cheight = config.numypixels/config.numtextrows; |
| 197 |
|
cwidth = config.numxpixels/config.numtextcols; |
| 198 |
|
/* clear scan position array */ |
| 376 |
|
long cvals[256]; |
| 377 |
|
register int i; |
| 378 |
|
|
| 379 |
< |
if (minpix >= 2) { |
| 380 |
< |
cvals[ourblack] = _BLACK; cvals[ourwhite] = _BRIGHTWHITE; |
| 380 |
< |
} |
| 379 |
> |
cvals[ourblack] = _BLACK; |
| 380 |
> |
cvals[ourwhite] = _BRIGHTWHITE; |
| 381 |
|
for (i = 0; i < maxcolors; i++) |
| 382 |
|
cvals[i+minpix] = clrtab[i][BLU]<<14 & 0x3f0000L | |
| 383 |
|
clrtab[i][GRN]<<6 & 0x3f00 | |
| 395 |
|
setcolrgam(gamcor); |
| 396 |
|
/* set up color map */ |
| 397 |
|
for (x = 0; x < maxcolors; x++) |
| 398 |
< |
clrtab[x][RED] = clrtab[x][GRN] = |
| 399 |
< |
clrtab[x][BLU] = ((long)x*256+maxcolors/2)/maxcolors; |
| 398 |
> |
clrtab[x][RED] = clrtab[x][GRN] = clrtab[x][BLU] = |
| 399 |
> |
((long)x*256 + 128)/maxcolors; |
| 400 |
|
setpalette(); |
| 401 |
|
_setplotaction(_GPSET); |
| 402 |
|
/* read and display file */ |
| 404 |
|
getscan(y); |
| 405 |
|
if (scale) |
| 406 |
|
shiftcolrs(scanline, xmax, scale); |
| 407 |
+ |
for (x = 0; x < xmax; x++) |
| 408 |
+ |
scanline[x][GRN] = normbright(scanline[x]); |
| 409 |
|
colrs_gambs(scanline, xmax); |
| 410 |
|
if (maxcolors < 256) |
| 411 |
|
for (x = 0; x < xmax; x++) { |
| 412 |
< |
thiscolor = ((long)normbright(scanline[x]) * |
| 413 |
< |
maxcolors + 128) >> 8; |
| 412 |
> |
thiscolor = ((long)scanline[x][GRN] * |
| 413 |
> |
maxcolors + maxcolors/2) / 256; |
| 414 |
|
if (thiscolor != lastcolor) |
| 415 |
|
_setcolor((lastcolor=thiscolor)+minpix); |
| 416 |
|
_setpixel(x, y); |
| 417 |
|
} |
| 418 |
|
else |
| 419 |
|
for (x = 0; x < xmax; x++) { |
| 420 |
< |
thiscolor = normbright(scanline[x]); |
| 420 |
> |
thiscolor = scanline[x][GRN]; |
| 421 |
|
if (thiscolor != lastcolor) |
| 422 |
|
_setcolor((lastcolor=thiscolor)+minpix); |
| 423 |
|
_setpixel(x, y); |
| 478 |
|
if (fseek(fin, scanpos[y], 0) == -1) |
| 479 |
|
quiterr("fseek error"); |
| 480 |
|
cury = y; |
| 481 |
< |
} else if (scanpos != NULL && scanpos[y] == -1) |
| 481 |
> |
} else if (fin != stdin && scanpos[y] == -1) |
| 482 |
|
scanpos[y] = ftell(fin); |
| 483 |
|
|
| 484 |
|
if (freadcolrs(scanline, xmax, fin) < 0) |
| 599 |
|
inregs.w.ax = 0; |
| 600 |
|
int386 (0x33, &inregs, &outregs); |
| 601 |
|
} |
| 600 |
– |
|
