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* Find extrema points in a Radiance picture. |
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*/ |
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#include <stdio.h> |
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#include <math.h> |
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< |
#ifdef MSDOS |
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< |
#include <fcntl.h> |
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< |
#endif |
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> |
|
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> |
#include "rtio.h" |
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> |
#include "platform.h" |
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#include "color.h" |
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+ |
#include "resolu.h" |
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|
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|
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int orig = 0; |
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|
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– |
int wrongformat = 0; |
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– |
|
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COLOR expos = WHTCOLOR; |
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|
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+ |
char fmt[MAXFMTLEN]; |
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|
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< |
headline(s) /* check header line */ |
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< |
char *s; |
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> |
static gethfunc headline; |
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> |
|
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> |
|
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> |
static int |
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> |
headline( /* check header line */ |
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> |
char *s, |
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> |
void *p |
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> |
) |
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{ |
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– |
char fmt[32]; |
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double d; |
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COLOR ctmp; |
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|
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< |
if (isformat(s)) { /* format */ |
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< |
formatval(fmt, s); |
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< |
wrongformat = !globmatch(PICFMT, fmt); |
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< |
} |
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> |
if (formatval(fmt, s)) /* format */ |
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> |
return(0); |
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if (!orig) |
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return(0); |
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if (isexpos(s)) { /* exposure */ |
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} |
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|
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|
| 49 |
< |
main(argc, argv) |
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< |
int argc; |
| 51 |
< |
char *argv[]; |
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> |
int |
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> |
main( |
| 51 |
> |
int argc, |
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> |
char *argv[] |
| 53 |
> |
) |
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{ |
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int i; |
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int xres, yres; |
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COLR *scan; |
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COLR cmin, cmax; |
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int xmin, ymin, xmax, ymax; |
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< |
#ifdef MSDOS |
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< |
extern int _fmode; |
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< |
_fmode = O_BINARY; |
| 61 |
< |
setmode(fileno(stdin), O_BINARY); |
| 62 |
< |
#endif |
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> |
SET_DEFAULT_BINARY(); |
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> |
SET_FILE_BINARY(stdin); |
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for (i = 1; i < argc; i++) /* get options */ |
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if (!strcmp(argv[i], "-o")) |
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< |
orig++; |
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> |
orig = 1; |
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> |
else if (!strcmp(argv[i], "-O")) |
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> |
orig = -1; |
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else |
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break; |
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|
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exit(1); |
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} |
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/* get our header */ |
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< |
if (getheader(stdin, headline, NULL) < 0 || wrongformat || |
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> |
if (getheader(stdin, headline, NULL) < 0 || !globmatch(PICFMT, fmt) || |
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fgetresolu(&xres, &yres, stdin) < 0) { |
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fprintf(stderr, "%s: bad picture format\n", argv[0]); |
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exit(1); |
| 82 |
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} |
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+ |
if (orig < 0 && !strcmp(CIEFMT, fmt)) |
| 84 |
+ |
scalecolor(expos, 1./WHTEFFICACY); |
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if ((scan = (COLR *)malloc(xres*sizeof(COLR))) == NULL) { |
| 86 |
|
fprintf(stderr, "%s: out of memory\n", argv[0]); |
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exit(1); |
| 88 |
|
} |
| 89 |
< |
setcolr(cmin, 1e10, 1e10, 1e10); |
| 90 |
< |
setcolr(cmax, 0., 0., 0.); |
| 89 |
> |
setcolr(cmin, 1e30, 1e30, 1e30); |
| 90 |
> |
setcolr(cmax, 0., 0., 0.); xmax=ymax=0; |
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/* find extrema */ |
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for (y = yres-1; y >= 0; y--) { |
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if (freadcolrs(scan, xres, stdin) < 0) { |
| 112 |
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} |
| 113 |
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} |
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free((void *)scan); |
| 115 |
< |
printf("%d %d\t%e %e %e\n", xmin, ymin, |
| 115 |
> |
printf("%d %d\t%.2e %.2e %.2e\n", xmin, ymin, |
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colrval(cmin,RED)/colval(expos,RED), |
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colrval(cmin,GRN)/colval(expos,GRN), |
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colrval(cmin,BLU)/colval(expos,BLU)); |
| 119 |
< |
printf("%d %d\t%e %e %e\n", xmax, ymax, |
| 119 |
> |
printf("%d %d\t%.2e %.2e %.2e\n", xmax, ymax, |
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colrval(cmax,RED)/colval(expos,RED), |
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colrval(cmax,GRN)/colval(expos,GRN), |
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colrval(cmax,BLU)/colval(expos,BLU)); |
