| 38 |
|
#define BORWIDTH 5 /* border width */ |
| 39 |
|
#define BARHEIGHT 25 /* menu bar size */ |
| 40 |
|
|
| 41 |
< |
double gamcor = 2.0; /* gamma correction */ |
| 41 |
> |
double gamcor = 2.2; /* gamma correction */ |
| 42 |
|
|
| 43 |
|
XRASTER *ourras = NULL; /* our stored raster image */ |
| 44 |
|
|
| 137 |
|
sprintf(errmsg, "can't open file \"%s\"", fname); |
| 138 |
|
quiterr(errmsg); |
| 139 |
|
} |
| 140 |
< |
} else |
| 141 |
< |
goto userr; |
| 142 |
< |
|
| 140 |
> |
} |
| 141 |
|
/* get header */ |
| 142 |
|
getheader(fin, headline); |
| 143 |
|
/* get picture dimensions */ |
| 144 |
< |
if (fscanf(fin, "-Y %d +X %d\n", &ymax, &xmax) != 2) |
| 144 |
> |
if (fgetresolu(&xmax, &ymax, fin) != (YMAJOR|YDECR)) |
| 145 |
|
quiterr("bad picture size"); |
| 146 |
|
/* set view parameters */ |
| 147 |
< |
if (gotview) { |
| 150 |
< |
ourview.hresolu = xmax; |
| 151 |
< |
ourview.vresolu = ymax; |
| 147 |
> |
if (gotview) |
| 148 |
|
if (setview(&ourview) != NULL) |
| 149 |
|
gotview = 0; |
| 150 |
< |
} |
| 150 |
> |
|
| 151 |
|
if ((scanline = (COLR *)malloc(xmax*sizeof(COLR))) == NULL) |
| 152 |
|
quiterr("out of memory"); |
| 153 |
|
|
| 166 |
|
headline(s) /* get relevant info from header */ |
| 167 |
|
char *s; |
| 168 |
|
{ |
| 169 |
< |
static char *altname[] = {"rview","rpict","VIEW=",NULL}; |
| 169 |
> |
static char *altname[] = {"rview","rpict",VIEWSTR,NULL}; |
| 170 |
|
register char **an; |
| 171 |
|
|
| 172 |
|
if (!strncmp(s, "EXPOSURE=", 9)) |
| 343 |
|
int x, y; |
| 344 |
|
int w, h; |
| 345 |
|
{ |
| 346 |
< |
if (map_rcolors(ourras) == NULL) { |
| 346 |
> |
if (ourras->ncolors && map_rcolors(ourras) == NULL) { |
| 347 |
|
fprintf(stderr, "%s: cannot allocate colors\n", progname); |
| 348 |
|
return(-1); |
| 349 |
|
} |
| 415 |
|
if (avgbox(cval) == -1) |
| 416 |
|
return(-1); |
| 417 |
|
n = log(.5/bright(cval))/.69315 - scale; /* truncate */ |
| 418 |
< |
if (n == 0) { |
| 423 |
< |
XFeep(0); |
| 418 |
> |
if (n == 0) |
| 419 |
|
return(0); |
| 425 |
– |
} |
| 420 |
|
scale_rcolors(ourras, pow(2.0, (double)n)); |
| 421 |
|
scale += n; |
| 422 |
|
sprintf(buf, "%+d", scale); |
| 427 |
|
getras(); |
| 428 |
|
/* fall through */ |
| 429 |
|
case CTRL(R): /* redraw */ |
| 430 |
+ |
case CTRL(L): |
| 431 |
|
XClear(wind); |
| 432 |
|
return(redraw(0, 0, width, height)); |
| 433 |
|
case ' ': /* clear */ |
| 687 |
|
} |
| 688 |
|
|
| 689 |
|
|
| 690 |
< |
picreadcm(map) /* do gamcor correction */ |
| 690 |
> |
picreadcm(map) /* do gamma correction */ |
| 691 |
|
colormap map; |
| 692 |
|
{ |
| 693 |
|
extern double pow(); |