11 |
|
#include <math.h> |
12 |
|
#include <ctype.h> |
13 |
|
#include <time.h> |
14 |
+ |
#include <string.h> |
15 |
+ |
|
16 |
|
#include "tiffio.h" |
17 |
|
#include "color.h" |
18 |
|
#include "resolu.h" |
30 |
|
#define C_TWRD 0x80 /* TIFF data is 16-bit */ |
31 |
|
#define C_PRIM 0x100 /* has assigned primaries */ |
32 |
|
|
33 |
+ |
typedef void colcvf_t(uint32 y); |
34 |
+ |
|
35 |
|
struct { |
36 |
|
uint16 flags; /* conversion flags (defined above) */ |
37 |
|
char capdate[20]; /* capture date/time */ |
60 |
|
float *fp; /* float pointer */ |
61 |
|
char *p; /* generic pointer */ |
62 |
|
} t; /* TIFF scanline */ |
63 |
< |
void (*tf)(); /* translation procedure */ |
63 |
> |
colcvf_t *tf; /* translation procedure */ |
64 |
|
} cvts = { /* conversion structure */ |
65 |
|
0, "", "", COMPRESSION_NONE, PHOTOMETRIC_RGB, |
66 |
|
PLANARCONFIG_CONTIG, GAMCOR, 0, 1, 1., 1., |
71 |
|
#define CLR(f) (cvts.flags &= ~(f)) |
72 |
|
#define TGL(f) (cvts.flags ^= (f)) |
73 |
|
|
74 |
< |
void Luv2Color(), L2Color(), RGB2Colr(), Gry2Colr(); |
75 |
< |
void Color2Luv(), Color2L(), Colr2RGB(), Colr2Gry(); |
76 |
< |
void RRGGBB2Color(), GGry2Color(), Color2RRGGBB(), Color2GGry(); |
74 |
> |
static colcvf_t Luv2Color, L2Color, RGB2Colr, Gry2Colr; |
75 |
> |
static colcvf_t Color2Luv, Color2L, Colr2RGB, Colr2Gry; |
76 |
> |
static colcvf_t RRGGBB2Color, GGry2Color, Color2RRGGBB, Color2GGry; |
77 |
|
|
78 |
+ |
static gethfunc headline; |
79 |
+ |
static void quiterr(char *err); |
80 |
+ |
static void allocbufs(void); |
81 |
+ |
static void initfromtif(void); |
82 |
+ |
static void tiff2ra(int ac, char *av[]); |
83 |
+ |
static void initfromrad(void); |
84 |
+ |
static void ra2tiff(int ac, char *av[]); |
85 |
+ |
|
86 |
+ |
|
87 |
+ |
|
88 |
|
#define RfGfBf2Color Luv2Color |
89 |
|
#define Gryf2Color L2Color |
90 |
|
#define Color2Gryf Color2L |
109 |
|
char *progname; |
110 |
|
|
111 |
|
|
112 |
< |
main(argc, argv) |
113 |
< |
int argc; |
100 |
< |
char *argv[]; |
112 |
> |
int |
113 |
> |
main(int argc, char *argv[]) |
114 |
|
{ |
115 |
|
int reverse = 0; |
116 |
|
int i; |
200 |
|
} |
201 |
|
|
202 |
|
|
203 |
< |
quiterr(err) /* print message and exit */ |
204 |
< |
char *err; |
203 |
> |
static void |
204 |
> |
quiterr( /* print message and exit */ |
205 |
> |
char *err |
206 |
> |
) |
207 |
|
{ |
208 |
|
if (err != NULL) { |
209 |
|
fprintf(stderr, "%s: %s\n", progname, err); |
213 |
|
} |
214 |
|
|
215 |
|
|
216 |
< |
allocbufs() /* allocate scanline buffers */ |
216 |
> |
static void |
217 |
> |
allocbufs(void) /* allocate scanline buffers */ |
218 |
|
{ |
219 |
|
int rsiz, tsiz; |
220 |
|
|
224 |
|
(CHK(C_GRY) ? 1 : 3); |
225 |
|
cvts.r.p = (char *)malloc(rsiz*cvts.xmax); |
226 |
|
cvts.t.p = (char *)malloc(tsiz*cvts.xmax); |
227 |
< |
if (cvts.r.p == NULL | cvts.t.p == NULL) |
227 |
> |
if ((cvts.r.p == NULL) | (cvts.t.p == NULL)) |
228 |
|
quiterr("no memory to allocate scanline buffers"); |
229 |
|
} |
230 |
|
|
231 |
|
|
232 |
< |
initfromtif() /* initialize conversion from TIFF input */ |
232 |
> |
static void |
233 |
> |
initfromtif(void) /* initialize conversion from TIFF input */ |
234 |
|
{ |
235 |
|
uint16 hi; |
236 |
|
char *cp; |
275 |
|
cpcolormat(cvts.cmat, xyz2rgbmat); |
276 |
|
SET(C_CXFM|C_GAMUT); |
277 |
|
} else if (cvts.comp == COMPRESSION_SGILOG) |
278 |
< |
SET(C_GAMUT); |
278 |
> |
SET(C_GAMUT); /* may be outside XYZ gamut */ |
279 |
|
if (cvts.pconf != PLANARCONFIG_CONTIG) |
280 |
|
quiterr("cannot handle separate Luv planes"); |
281 |
|
TIFFSetField(cvts.tif, TIFFTAG_SGILOGDATAFMT, |
362 |
|
quiterr("unknown input image resolution"); |
363 |
|
|
364 |
|
if (!TIFFGetField(cvts.tif, TIFFTAG_STONITS, &cvts.stonits)) |
365 |
< |
cvts.stonits = 1.; |
365 |
> |
cvts.stonits = -1.; |
366 |
|
|
367 |
|
if (!TIFFGetField(cvts.tif, TIFFTAG_DATETIME, &cp)) |
368 |
|
cvts.capdate[0] = '\0'; |
380 |
|
if (cvts.pixrat < .99 || cvts.pixrat > 1.01) |
381 |
|
fputaspect(cvts.pixrat, cvts.rfp); |
382 |
|
if (CHK(C_XYZE)) { |
383 |
< |
fputexpos(pow(2.,(double)cvts.bradj)/cvts.stonits, cvts.rfp); |
383 |
> |
if (cvts.stonits > .0) |
384 |
> |
fputexpos(pow(2.,(double)cvts.bradj)/cvts.stonits, cvts.rfp); |
385 |
|
fputformat(CIEFMT, cvts.rfp); |
386 |
|
} else { |
387 |
|
if (CHK(C_PRIM)) |
388 |
|
fputprims(cvts.prims, cvts.rfp); |
389 |
< |
fputexpos(WHTEFFICACY*pow(2.,(double)cvts.bradj)/cvts.stonits, |
390 |
< |
cvts.rfp); |
389 |
> |
if (cvts.stonits > .0) |
390 |
> |
fputexpos(WHTEFFICACY*pow(2.,(double)cvts.bradj)/cvts.stonits, |
391 |
> |
cvts.rfp); |
392 |
|
fputformat(COLRFMT, cvts.rfp); |
393 |
|
} |
394 |
|
if (cvts.capdate[0]) |
400 |
|
} |
401 |
|
|
402 |
|
|
403 |
< |
tiff2ra(ac, av) /* convert TIFF image to Radiance picture */ |
404 |
< |
int ac; |
405 |
< |
char *av[]; |
403 |
> |
static void |
404 |
> |
tiff2ra( /* convert TIFF image to Radiance picture */ |
405 |
> |
int ac, |
406 |
> |
char *av[] |
407 |
> |
) |
408 |
|
{ |
409 |
|
int32 y; |
410 |
|
/* open TIFF input */ |
432 |
|
} |
433 |
|
|
434 |
|
|
435 |
< |
int |
436 |
< |
headline(s) /* process Radiance input header line */ |
437 |
< |
char *s; |
435 |
> |
static int |
436 |
> |
headline( /* process Radiance input header line */ |
437 |
> |
char *s, |
438 |
> |
void *p |
439 |
> |
) |
440 |
|
{ |
441 |
|
static int tmstrlen = 0; |
442 |
|
static int ownstrlen = 0; |
493 |
|
} |
494 |
|
|
495 |
|
|
496 |
< |
initfromrad() /* initialize input from a Radiance picture */ |
496 |
> |
static void |
497 |
> |
initfromrad(void) /* initialize input from a Radiance picture */ |
498 |
|
{ |
499 |
|
int i1, i2, po; |
500 |
|
/* read Radiance header */ |
571 |
|
SAMPLEFORMAT_IEEEFP); |
572 |
|
cvts.tf = Color2RfGfBf; |
573 |
|
SET(C_RFLT); |
574 |
+ |
CLR(C_GAMUT); |
575 |
|
} else |
576 |
|
cvts.tf = Colr2RGB; |
577 |
|
break; |
622 |
|
} |
623 |
|
|
624 |
|
|
625 |
< |
ra2tiff(ac, av) /* convert Radiance picture to TIFF image */ |
626 |
< |
int ac; |
627 |
< |
char *av[]; |
625 |
> |
static void |
626 |
> |
ra2tiff( /* convert Radiance picture to TIFF image */ |
627 |
> |
int ac, |
628 |
> |
char *av[] |
629 |
> |
) |
630 |
|
{ |
631 |
|
uint32 y; |
632 |
|
/* open Radiance file */ |
648 |
|
} |
649 |
|
|
650 |
|
|
651 |
< |
void |
652 |
< |
Luv2Color(y) /* read/convert/write Luv->COLOR scanline */ |
653 |
< |
uint32 y; |
651 |
> |
static void |
652 |
> |
Luv2Color( /* read/convert/write Luv->COLOR scanline */ |
653 |
> |
uint32 y |
654 |
> |
) |
655 |
|
{ |
656 |
|
register int x; |
657 |
|
|
658 |
|
if (CHK(C_RFLT|C_TWRD|C_TFLT|C_GRY) != (C_RFLT|C_TFLT)) |
659 |
|
quiterr("internal error 1 in Luv2Color"); |
660 |
|
|
661 |
+ |
if (cvts.pconf != PLANARCONFIG_CONTIG) |
662 |
+ |
quiterr("cannot handle separate 32-bit color planes"); |
663 |
+ |
|
664 |
|
if (TIFFReadScanline(cvts.tif, cvts.t.p, y, 0) < 0) |
665 |
|
quiterr("error reading TIFF input"); |
666 |
|
/* also works for float RGB */ |
687 |
|
} |
688 |
|
|
689 |
|
|
690 |
< |
void |
691 |
< |
RRGGBB2Color(y) /* read/convert/write RGB16->COLOR scanline */ |
692 |
< |
uint32 y; |
690 |
> |
static void |
691 |
> |
RRGGBB2Color( /* read/convert/write RGB16->COLOR scanline */ |
692 |
> |
uint32 y |
693 |
> |
) |
694 |
|
{ |
695 |
< |
int dogamma = cvts.gamcor < 0.99 | cvts.gamcor > 1.01; |
695 |
> |
int dogamma = (cvts.gamcor < 0.99) | (cvts.gamcor > 1.01); |
696 |
|
register double d; |
697 |
|
register int x; |
698 |
|
|
699 |
|
if (CHK(C_RFLT|C_TWRD|C_TFLT|C_GRY) != (C_TWRD|C_RFLT)) |
700 |
|
quiterr("internal error 1 in RRGGBB2Color"); |
701 |
|
|
702 |
+ |
if (cvts.pconf != PLANARCONFIG_CONTIG) |
703 |
+ |
quiterr("cannot handle separate 16-bit color planes"); |
704 |
+ |
|
705 |
|
if (TIFFReadScanline(cvts.tif, cvts.t.p, y, 0) < 0) |
706 |
|
quiterr("error reading TIFF input"); |
707 |
|
|
718 |
|
if (CHK(C_CXFM)) |
719 |
|
colortrans(cvts.r.colors[x], cvts.cmat, |
720 |
|
cvts.r.colors[x]); |
686 |
– |
if (CHK(C_GAMUT)) |
687 |
– |
clipgamut(cvts.r.colors[x], cvts.t.fp[3*x + 1], |
688 |
– |
CGAMUT_LOWER, cblack, cwhite); |
721 |
|
} |
722 |
|
if (cvts.bradj) { |
723 |
|
d = pow(2.,(double)cvts.bradj); |
730 |
|
} |
731 |
|
|
732 |
|
|
733 |
< |
void |
734 |
< |
L2Color(y) /* read/convert/write Lfloat->COLOR scanline */ |
735 |
< |
uint32 y; |
733 |
> |
static void |
734 |
> |
L2Color( /* read/convert/write Lfloat->COLOR scanline */ |
735 |
> |
uint32 y |
736 |
> |
) |
737 |
|
{ |
738 |
|
float m = pow(2., (double)cvts.bradj); |
739 |
|
register int x; |
754 |
|
} |
755 |
|
|
756 |
|
|
757 |
< |
void |
758 |
< |
RGB2Colr(y) /* read/convert/write RGB->COLR scanline */ |
759 |
< |
uint32 y; |
757 |
> |
static void |
758 |
> |
RGB2Colr( /* read/convert/write RGB->COLR scanline */ |
759 |
> |
uint32 y |
760 |
> |
) |
761 |
|
{ |
762 |
|
COLOR ctmp; |
763 |
|
register int x; |
811 |
|
} |
812 |
|
|
813 |
|
|
814 |
< |
void |
815 |
< |
Gry2Colr(y) /* read/convert/write G8->COLR scanline */ |
816 |
< |
uint32 y; |
814 |
> |
static void |
815 |
> |
Gry2Colr( /* read/convert/write G8->COLR scanline */ |
816 |
> |
uint32 y |
817 |
> |
) |
818 |
|
{ |
819 |
|
register int x; |
820 |
|
|
838 |
|
} |
839 |
|
|
840 |
|
|
841 |
< |
void |
842 |
< |
GGry2Color(y) /* read/convert/write G16->COLOR scanline */ |
843 |
< |
uint32 y; |
841 |
> |
static void |
842 |
> |
GGry2Color( /* read/convert/write G16->COLOR scanline */ |
843 |
> |
uint32 y |
844 |
> |
) |
845 |
|
{ |
846 |
< |
int dogamma = cvts.gamcor < 0.99 | cvts.gamcor > 1.01; |
846 |
> |
int dogamma = (cvts.gamcor < 0.99) | (cvts.gamcor > 1.01); |
847 |
|
double m; |
848 |
|
register double d; |
849 |
|
register int x; |
869 |
|
} |
870 |
|
|
871 |
|
|
872 |
< |
void |
873 |
< |
Color2GGry(y) /* read/convert/write COLOR->G16 scanline */ |
874 |
< |
uint32 y; |
872 |
> |
static void |
873 |
> |
Color2GGry( /* read/convert/write COLOR->G16 scanline */ |
874 |
> |
uint32 y |
875 |
> |
) |
876 |
|
{ |
877 |
< |
int dogamma = cvts.gamcor < 0.99 | cvts.gamcor > 1.01; |
877 |
> |
int dogamma = (cvts.gamcor < 0.99) | (cvts.gamcor > 1.01); |
878 |
|
float m = pow(2.,(double)cvts.bradj); |
879 |
|
register int x; |
880 |
|
|
904 |
|
} |
905 |
|
|
906 |
|
|
907 |
< |
void |
908 |
< |
Color2L(y) /* read/convert/write COLOR->Lfloat scanline */ |
909 |
< |
uint32 y; |
907 |
> |
static void |
908 |
> |
Color2L( /* read/convert/write COLOR->Lfloat scanline */ |
909 |
> |
uint32 y |
910 |
> |
) |
911 |
|
{ |
912 |
|
float m = pow(2.,(double)cvts.bradj); |
913 |
|
register int x; |
927 |
|
} |
928 |
|
|
929 |
|
|
930 |
< |
void |
931 |
< |
Color2Luv(y) /* read/convert/write COLOR->Luv scanline */ |
932 |
< |
uint32 y; |
930 |
> |
static void |
931 |
> |
Color2Luv( /* read/convert/write COLOR->Luv scanline */ |
932 |
> |
uint32 y |
933 |
> |
) |
934 |
|
{ |
935 |
|
register int x; |
936 |
|
|
961 |
|
} |
962 |
|
|
963 |
|
|
964 |
< |
void |
965 |
< |
Color2RRGGBB(y) /* read/convert/write COLOR->RGB16 scanline */ |
966 |
< |
uint32 y; |
964 |
> |
static void |
965 |
> |
Color2RRGGBB( /* read/convert/write COLOR->RGB16 scanline */ |
966 |
> |
uint32 y |
967 |
> |
) |
968 |
|
{ |
969 |
< |
int dogamma = cvts.gamcor < 0.99 | cvts.gamcor > 1.01; |
969 |
> |
int dogamma = (cvts.gamcor < 0.99) | (cvts.gamcor > 1.01); |
970 |
|
float m = pow(2.,(double)cvts.bradj); |
971 |
|
register int x, i; |
972 |
|
|
976 |
|
if (freadscan(cvts.r.colors, cvts.xmax, cvts.rfp) < 0) |
977 |
|
quiterr("error reading Radiance picture"); |
978 |
|
|
979 |
< |
for (x = cvts.xmax; x--; ) |
979 |
> |
for (x = cvts.xmax; x--; ) { |
980 |
> |
if (CHK(C_CXFM)) { |
981 |
> |
colortrans(cvts.r.colors[x], cvts.cmat, |
982 |
> |
cvts.r.colors[x]); |
983 |
> |
if (CHK(C_GAMUT)) |
984 |
> |
clipgamut(cvts.r.colors[x], bright(cvts.r.colors[x]), |
985 |
> |
CGAMUT_LOWER, cblack, cwhite); |
986 |
> |
} |
987 |
|
for (i = 3; i--; ) { |
988 |
|
register float f = m*colval(cvts.r.colors[x],i); |
989 |
|
if (f <= 0) |
996 |
|
else |
997 |
|
cvts.t.wp[3*x + i] = (int)((float)(1L<<16)*f); |
998 |
|
} |
999 |
+ |
} |
1000 |
|
|
1001 |
|
if (TIFFWriteScanline(cvts.tif, cvts.t.p, y, 0) < 0) |
1002 |
|
quiterr("error writing TIFF output"); |
1003 |
|
} |
1004 |
|
|
1005 |
|
|
1006 |
< |
void |
1007 |
< |
Colr2Gry(y) /* read/convert/write COLR->RGB scanline */ |
1008 |
< |
uint32 y; |
1006 |
> |
static void |
1007 |
> |
Colr2Gry( /* read/convert/write COLR->RGB scanline */ |
1008 |
> |
uint32 y |
1009 |
> |
) |
1010 |
|
{ |
1011 |
|
register int x; |
1012 |
|
|
1030 |
|
} |
1031 |
|
|
1032 |
|
|
1033 |
< |
void |
1034 |
< |
Colr2RGB(y) /* read/convert/write COLR->RGB scanline */ |
1035 |
< |
uint32 y; |
1033 |
> |
static void |
1034 |
> |
Colr2RGB( /* read/convert/write COLR->RGB scanline */ |
1035 |
> |
uint32 y |
1036 |
> |
) |
1037 |
|
{ |
1038 |
|
COLOR ctmp; |
1039 |
|
register int x; |