| 23 |
|
|
| 24 |
|
#include "color.h" |
| 25 |
|
|
| 26 |
+ |
#include "resolu.h" |
| 27 |
+ |
|
| 28 |
|
#include "xraster.h" |
| 29 |
|
|
| 30 |
|
#include "view.h" |
| 37 |
|
|
| 38 |
|
#define FONTNAME "9x15" /* text font we'll use */ |
| 39 |
|
|
| 40 |
< |
#define CTRL(c) ('c'-'@') |
| 40 |
> |
#define CTRL(c) ((c)-'@') |
| 41 |
|
|
| 42 |
|
#define BORWIDTH 5 /* border width */ |
| 43 |
|
#define BARHEIGHT 25 /* menu bar size */ |
| 90 |
|
|
| 91 |
|
extern char *malloc(), *calloc(); |
| 92 |
|
|
| 93 |
< |
extern double atof(), pow(), log(); |
| 93 |
> |
extern double pow(), log(); |
| 94 |
|
|
| 95 |
|
|
| 96 |
|
main(argc, argv) |
| 97 |
|
int argc; |
| 98 |
|
char *argv[]; |
| 99 |
|
{ |
| 100 |
+ |
extern char *getenv(); |
| 101 |
+ |
char *gv; |
| 102 |
|
int headline(); |
| 103 |
|
int i; |
| 104 |
|
|
| 105 |
|
progname = argv[0]; |
| 106 |
+ |
if ((gv = getenv("GAMMA")) != NULL) |
| 107 |
+ |
gamcor = atof(gv); |
| 108 |
|
|
| 109 |
|
for (i = 1; i < argc; i++) |
| 110 |
|
if (argv[i][0] == '-') |
| 174 |
|
headline(s) /* get relevant info from header */ |
| 175 |
|
char *s; |
| 176 |
|
{ |
| 171 |
– |
static char *altname[] = {"rview","rpict",VIEWSTR,NULL}; |
| 172 |
– |
register char **an; |
| 177 |
|
char fmt[32]; |
| 178 |
|
|
| 179 |
|
if (isexpos(s)) |
| 181 |
|
else if (isformat(s)) { |
| 182 |
|
formatval(fmt, s); |
| 183 |
|
wrongformat = strcmp(fmt, COLRFMT); |
| 184 |
< |
} else |
| 185 |
< |
for (an = altname; *an != NULL; an++) |
| 182 |
< |
if (!strncmp(*an, s, strlen(*an))) { |
| 183 |
< |
if (sscanview(&ourview, s+strlen(*an)) > 0) |
| 184 |
< |
gotview++; |
| 185 |
< |
return; |
| 186 |
< |
} |
| 184 |
> |
} else if (isview(s) && sscanview(&ourview, s) > 0) |
| 185 |
> |
gotview++; |
| 186 |
|
} |
| 187 |
|
|
| 188 |
|
|
| 364 |
|
return(0); |
| 365 |
|
switch (*cp) { /* interpret command */ |
| 366 |
|
case 'q': |
| 367 |
< |
case CTRL(D): /* quit */ |
| 367 |
> |
case CTRL('D'): /* quit */ |
| 368 |
|
quit(0); |
| 369 |
|
case '\n': |
| 370 |
|
case '\r': |
| 434 |
|
free_raster(ourras); |
| 435 |
|
getras(); |
| 436 |
|
/* fall through */ |
| 437 |
< |
case CTRL(R): /* redraw */ |
| 438 |
< |
case CTRL(L): |
| 437 |
> |
case CTRL('R'): /* redraw */ |
| 438 |
> |
case CTRL('L'): |
| 439 |
|
unmap_rcolors(ourras); |
| 440 |
|
XClear(wind); |
| 441 |
|
return(redraw(0, 0, width, height)); |
| 547 |
|
{ |
| 548 |
|
register unsigned short *dp; |
| 549 |
|
register int x, err; |
| 550 |
< |
int y; |
| 550 |
> |
int y, errp; |
| 551 |
|
rgbpixel *inl; |
| 552 |
|
short *cerr; |
| 553 |
|
|
| 561 |
|
for (x = 0; x < xmax; x++) { |
| 562 |
|
if (!(x&0xf)) |
| 563 |
|
*++dp = 0; |
| 564 |
+ |
errp = err; |
| 565 |
|
err += rgb_bright(&inl[x]) + cerr[x]; |
| 566 |
|
if (err > 127) |
| 567 |
|
err -= 255; |
| 568 |
|
else |
| 569 |
|
*dp |= 1<<(x&0xf); |
| 570 |
< |
cerr[x] = err >>= 1; |
| 570 |
> |
err /= 3; |
| 571 |
> |
cerr[x] = err + errp; |
| 572 |
|
} |
| 573 |
|
} |
| 574 |
|
free((char *)inl); |
| 644 |
|
if (fseek(fin, scanpos[y], 0) == -1) |
| 645 |
|
quiterr("fseek error"); |
| 646 |
|
cury = y; |
| 647 |
< |
} else if (scanpos != NULL) |
| 647 |
> |
} else if (scanpos != NULL && scanpos[y] == -1) |
| 648 |
|
scanpos[y] = ftell(fin); |
| 649 |
|
|
| 650 |
|
if (freadcolrs(scanline, xmax, fin) < 0) |
