| 52 |
|
int xres, yres; /* picture size */ |
| 53 |
|
int xloc, yloc; /* anchor point */ |
| 54 |
|
int flags; /* HASMIN, HASMAX */ |
| 55 |
< |
COLR thmin, thmax; /* thresholds */ |
| 55 |
> |
double thmin, thmax; /* thresholds */ |
| 56 |
|
} input[MAXFILE]; /* our input files */ |
| 57 |
|
|
| 58 |
|
int nfile; /* number of files */ |
| 63 |
|
|
| 64 |
|
static gethfunc tabputs; |
| 65 |
|
static void compos(void); |
| 66 |
< |
static int cmpcolr(COLR c1, COLR c2); |
| 66 |
> |
static int cmpcolr(COLR c1, double lv2); |
| 67 |
|
static FILE * lblopen(char *s, int *xp, int *yp); |
| 68 |
|
|
| 69 |
|
|
| 169 |
|
checkthresh = 1; |
| 170 |
|
if (argv[an][0] == '-') { |
| 171 |
|
input[nfile].flags |= HASMIN; |
| 172 |
< |
setcolr(input[nfile].thmin, |
| 173 |
< |
atof(argv[an+1]), |
| 174 |
< |
atof(argv[an+1]), |
| 175 |
< |
atof(argv[an+1])); |
| 172 |
> |
input[nfile].thmin = atof(argv[an+1]); |
| 173 |
|
} else if (argv[an][0] == '+') { |
| 174 |
|
input[nfile].flags |= HASMAX; |
| 175 |
< |
setcolr(input[nfile].thmax, |
| 179 |
< |
atof(argv[an+1]), |
| 180 |
< |
atof(argv[an+1]), |
| 181 |
< |
atof(argv[an+1])); |
| 175 |
> |
input[nfile].thmax = atof(argv[an+1]); |
| 176 |
|
} else |
| 177 |
|
goto userr; |
| 178 |
|
an++; |
| 387 |
|
|
| 388 |
|
|
| 389 |
|
static int |
| 390 |
< |
cmpcolr( /* compare two colr's (improvisation) */ |
| 390 |
> |
cmpcolr( /* compare COLR to luminance */ |
| 391 |
|
register COLR c1, |
| 392 |
< |
register COLR c2 |
| 392 |
> |
double lv2 |
| 393 |
|
) |
| 394 |
|
{ |
| 395 |
< |
register int i, j; |
| 396 |
< |
|
| 397 |
< |
j = 4; /* check exponents first! */ |
| 398 |
< |
while (j--) |
| 399 |
< |
if ( (i = c1[j] - c2[j]) ) |
| 400 |
< |
return(i); |
| 395 |
> |
double lv1 = .0; |
| 396 |
> |
|
| 397 |
> |
if (c1[EXP]) |
| 398 |
> |
lv1 = ldexp((double)normbright(c1), (int)c1[EXP]-(COLXS+8)); |
| 399 |
> |
if (lv1 < lv2) return(-1); |
| 400 |
> |
if (lv1 > lv2) return(1); |
| 401 |
|
return(0); |
| 402 |
|
} |
| 403 |
|
|