11 |
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#include <math.h> |
12 |
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#include <ctype.h> |
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#include <time.h> |
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+ |
#include <string.h> |
15 |
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|
16 |
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#include "tiffio.h" |
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#include "color.h" |
18 |
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#include "resolu.h" |
30 |
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#define C_TWRD 0x80 /* TIFF data is 16-bit */ |
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#define C_PRIM 0x100 /* has assigned primaries */ |
32 |
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|
33 |
+ |
typedef void colcvf_t(uint32 y); |
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|
35 |
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struct { |
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uint16 flags; /* conversion flags (defined above) */ |
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char capdate[20]; /* capture date/time */ |
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float *fp; /* float pointer */ |
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char *p; /* generic pointer */ |
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} t; /* TIFF scanline */ |
63 |
< |
void (*tf)(); /* translation procedure */ |
63 |
> |
colcvf_t *tf; /* translation procedure */ |
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} cvts = { /* conversion structure */ |
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0, "", "", COMPRESSION_NONE, PHOTOMETRIC_RGB, |
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PLANARCONFIG_CONTIG, GAMCOR, 0, 1, 1., 1., |
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#define CLR(f) (cvts.flags &= ~(f)) |
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#define TGL(f) (cvts.flags ^= (f)) |
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|
74 |
< |
void Luv2Color(), L2Color(), RGB2Colr(), Gry2Colr(); |
75 |
< |
void Color2Luv(), Color2L(), Colr2RGB(), Colr2Gry(); |
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< |
void RRGGBB2Color(), GGry2Color(), Color2RRGGBB(), Color2GGry(); |
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> |
static colcvf_t Luv2Color, L2Color, RGB2Colr, Gry2Colr; |
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> |
static colcvf_t Color2Luv, Color2L, Colr2RGB, Colr2Gry; |
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> |
static colcvf_t RRGGBB2Color, GGry2Color, Color2RRGGBB, Color2GGry; |
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|
78 |
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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[]); |
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+ |
static void initfromrad(void); |
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+ |
static void ra2tiff(int ac, char *av[]); |
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|
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|
87 |
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|
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#define RfGfBf2Color Luv2Color |
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#define Gryf2Color L2Color |
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#define Color2Gryf Color2L |
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char *progname; |
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|
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|
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< |
main(argc, argv) |
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int argc; |
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char *argv[]; |
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int |
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main(int argc, char *argv[]) |
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{ |
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int reverse = 0; |
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int i; |
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} |
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|
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|
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quiterr(err) /* print message and exit */ |
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char *err; |
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static void |
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quiterr( /* print message and exit */ |
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char *err |
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) |
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{ |
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if (err != NULL) { |
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fprintf(stderr, "%s: %s\n", progname, err); |
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} |
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|
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|
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allocbufs() /* allocate scanline buffers */ |
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static void |
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allocbufs(void) /* allocate scanline buffers */ |
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{ |
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int rsiz, tsiz; |
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|
224 |
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(CHK(C_GRY) ? 1 : 3); |
225 |
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cvts.r.p = (char *)malloc(rsiz*cvts.xmax); |
226 |
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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 |
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} |
230 |
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|
231 |
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|
232 |
< |
initfromtif() /* initialize conversion from TIFF input */ |
232 |
> |
static void |
233 |
> |
initfromtif(void) /* initialize conversion from TIFF input */ |
234 |
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{ |
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uint16 hi; |
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char *cp; |
275 |
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cpcolormat(cvts.cmat, xyz2rgbmat); |
276 |
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SET(C_CXFM|C_GAMUT); |
277 |
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} else if (cvts.comp == COMPRESSION_SGILOG) |
278 |
< |
SET(C_GAMUT); |
278 |
> |
SET(C_GAMUT); /* may be outside XYZ gamut */ |
279 |
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if (cvts.pconf != PLANARCONFIG_CONTIG) |
280 |
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quiterr("cannot handle separate Luv planes"); |
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TIFFSetField(cvts.tif, TIFFTAG_SGILOGDATAFMT, |
398 |
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} |
399 |
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|
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|
401 |
< |
tiff2ra(ac, av) /* convert TIFF image to Radiance picture */ |
402 |
< |
int ac; |
403 |
< |
char *av[]; |
401 |
> |
static void |
402 |
> |
tiff2ra( /* convert TIFF image to Radiance picture */ |
403 |
> |
int ac, |
404 |
> |
char *av[] |
405 |
> |
) |
406 |
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{ |
407 |
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int32 y; |
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/* open TIFF input */ |
430 |
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} |
431 |
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|
432 |
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|
433 |
< |
int |
434 |
< |
headline(s) /* process Radiance input header line */ |
435 |
< |
char *s; |
433 |
> |
static int |
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> |
headline( /* process Radiance input header line */ |
435 |
> |
char *s, |
436 |
> |
void *p |
437 |
> |
) |
438 |
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{ |
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static int tmstrlen = 0; |
440 |
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static int ownstrlen = 0; |
491 |
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} |
492 |
|
|
493 |
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|
494 |
< |
initfromrad() /* initialize input from a Radiance picture */ |
494 |
> |
static void |
495 |
> |
initfromrad(void) /* initialize input from a Radiance picture */ |
496 |
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{ |
497 |
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int i1, i2, po; |
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/* read Radiance header */ |
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SAMPLEFORMAT_IEEEFP); |
570 |
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cvts.tf = Color2RfGfBf; |
571 |
|
SET(C_RFLT); |
572 |
+ |
CLR(C_GAMUT); |
573 |
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} else |
574 |
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cvts.tf = Colr2RGB; |
575 |
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break; |
620 |
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} |
621 |
|
|
622 |
|
|
623 |
< |
ra2tiff(ac, av) /* convert Radiance picture to TIFF image */ |
624 |
< |
int ac; |
625 |
< |
char *av[]; |
623 |
> |
static void |
624 |
> |
ra2tiff( /* convert Radiance picture to TIFF image */ |
625 |
> |
int ac, |
626 |
> |
char *av[] |
627 |
> |
) |
628 |
|
{ |
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|
uint32 y; |
630 |
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/* open Radiance file */ |
646 |
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} |
647 |
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|
648 |
|
|
649 |
< |
void |
650 |
< |
Luv2Color(y) /* read/convert/write Luv->COLOR scanline */ |
651 |
< |
uint32 y; |
649 |
> |
static void |
650 |
> |
Luv2Color( /* read/convert/write Luv->COLOR scanline */ |
651 |
> |
uint32 y |
652 |
> |
) |
653 |
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{ |
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register int x; |
655 |
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|
682 |
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} |
683 |
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|
684 |
|
|
685 |
< |
void |
686 |
< |
RRGGBB2Color(y) /* read/convert/write RGB16->COLOR scanline */ |
687 |
< |
uint32 y; |
685 |
> |
static void |
686 |
> |
RRGGBB2Color( /* read/convert/write RGB16->COLOR scanline */ |
687 |
> |
uint32 y |
688 |
> |
) |
689 |
|
{ |
690 |
< |
int dogamma = cvts.gamcor < 0.99 | cvts.gamcor > 1.01; |
690 |
> |
int dogamma = (cvts.gamcor < 0.99) | (cvts.gamcor > 1.01); |
691 |
|
register double d; |
692 |
|
register int x; |
693 |
|
|
710 |
|
if (CHK(C_CXFM)) |
711 |
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colortrans(cvts.r.colors[x], cvts.cmat, |
712 |
|
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); |
713 |
|
} |
714 |
|
if (cvts.bradj) { |
715 |
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d = pow(2.,(double)cvts.bradj); |
722 |
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} |
723 |
|
|
724 |
|
|
725 |
< |
void |
726 |
< |
L2Color(y) /* read/convert/write Lfloat->COLOR scanline */ |
727 |
< |
uint32 y; |
725 |
> |
static void |
726 |
> |
L2Color( /* read/convert/write Lfloat->COLOR scanline */ |
727 |
> |
uint32 y |
728 |
> |
) |
729 |
|
{ |
730 |
|
float m = pow(2., (double)cvts.bradj); |
731 |
|
register int x; |
746 |
|
} |
747 |
|
|
748 |
|
|
749 |
< |
void |
750 |
< |
RGB2Colr(y) /* read/convert/write RGB->COLR scanline */ |
751 |
< |
uint32 y; |
749 |
> |
static void |
750 |
> |
RGB2Colr( /* read/convert/write RGB->COLR scanline */ |
751 |
> |
uint32 y |
752 |
> |
) |
753 |
|
{ |
754 |
|
COLOR ctmp; |
755 |
|
register int x; |
803 |
|
} |
804 |
|
|
805 |
|
|
806 |
< |
void |
807 |
< |
Gry2Colr(y) /* read/convert/write G8->COLR scanline */ |
808 |
< |
uint32 y; |
806 |
> |
static void |
807 |
> |
Gry2Colr( /* read/convert/write G8->COLR scanline */ |
808 |
> |
uint32 y |
809 |
> |
) |
810 |
|
{ |
811 |
|
register int x; |
812 |
|
|
830 |
|
} |
831 |
|
|
832 |
|
|
833 |
< |
void |
834 |
< |
GGry2Color(y) /* read/convert/write G16->COLOR scanline */ |
835 |
< |
uint32 y; |
833 |
> |
static void |
834 |
> |
GGry2Color( /* read/convert/write G16->COLOR scanline */ |
835 |
> |
uint32 y |
836 |
> |
) |
837 |
|
{ |
838 |
< |
int dogamma = cvts.gamcor < 0.99 | cvts.gamcor > 1.01; |
838 |
> |
int dogamma = (cvts.gamcor < 0.99) | (cvts.gamcor > 1.01); |
839 |
|
double m; |
840 |
|
register double d; |
841 |
|
register int x; |
861 |
|
} |
862 |
|
|
863 |
|
|
864 |
< |
void |
865 |
< |
Color2GGry(y) /* read/convert/write COLOR->G16 scanline */ |
866 |
< |
uint32 y; |
864 |
> |
static void |
865 |
> |
Color2GGry( /* read/convert/write COLOR->G16 scanline */ |
866 |
> |
uint32 y |
867 |
> |
) |
868 |
|
{ |
869 |
< |
int dogamma = cvts.gamcor < 0.99 | cvts.gamcor > 1.01; |
869 |
> |
int dogamma = (cvts.gamcor < 0.99) | (cvts.gamcor > 1.01); |
870 |
|
float m = pow(2.,(double)cvts.bradj); |
871 |
|
register int x; |
872 |
|
|
896 |
|
} |
897 |
|
|
898 |
|
|
899 |
< |
void |
900 |
< |
Color2L(y) /* read/convert/write COLOR->Lfloat scanline */ |
901 |
< |
uint32 y; |
899 |
> |
static void |
900 |
> |
Color2L( /* read/convert/write COLOR->Lfloat scanline */ |
901 |
> |
uint32 y |
902 |
> |
) |
903 |
|
{ |
904 |
|
float m = pow(2.,(double)cvts.bradj); |
905 |
|
register int x; |
919 |
|
} |
920 |
|
|
921 |
|
|
922 |
< |
void |
923 |
< |
Color2Luv(y) /* read/convert/write COLOR->Luv scanline */ |
924 |
< |
uint32 y; |
922 |
> |
static void |
923 |
> |
Color2Luv( /* read/convert/write COLOR->Luv scanline */ |
924 |
> |
uint32 y |
925 |
> |
) |
926 |
|
{ |
927 |
|
register int x; |
928 |
|
|
953 |
|
} |
954 |
|
|
955 |
|
|
956 |
< |
void |
957 |
< |
Color2RRGGBB(y) /* read/convert/write COLOR->RGB16 scanline */ |
958 |
< |
uint32 y; |
956 |
> |
static void |
957 |
> |
Color2RRGGBB( /* read/convert/write COLOR->RGB16 scanline */ |
958 |
> |
uint32 y |
959 |
> |
) |
960 |
|
{ |
961 |
< |
int dogamma = cvts.gamcor < 0.99 | cvts.gamcor > 1.01; |
961 |
> |
int dogamma = (cvts.gamcor < 0.99) | (cvts.gamcor > 1.01); |
962 |
|
float m = pow(2.,(double)cvts.bradj); |
963 |
|
register int x, i; |
964 |
|
|
968 |
|
if (freadscan(cvts.r.colors, cvts.xmax, cvts.rfp) < 0) |
969 |
|
quiterr("error reading Radiance picture"); |
970 |
|
|
971 |
< |
for (x = cvts.xmax; x--; ) |
971 |
> |
for (x = cvts.xmax; x--; ) { |
972 |
> |
if (CHK(C_CXFM)) { |
973 |
> |
colortrans(cvts.r.colors[x], cvts.cmat, |
974 |
> |
cvts.r.colors[x]); |
975 |
> |
if (CHK(C_GAMUT)) |
976 |
> |
clipgamut(cvts.r.colors[x], bright(cvts.r.colors[x]), |
977 |
> |
CGAMUT_LOWER, cblack, cwhite); |
978 |
> |
} |
979 |
|
for (i = 3; i--; ) { |
980 |
|
register float f = m*colval(cvts.r.colors[x],i); |
981 |
|
if (f <= 0) |
988 |
|
else |
989 |
|
cvts.t.wp[3*x + i] = (int)((float)(1L<<16)*f); |
990 |
|
} |
991 |
+ |
} |
992 |
|
|
993 |
|
if (TIFFWriteScanline(cvts.tif, cvts.t.p, y, 0) < 0) |
994 |
|
quiterr("error writing TIFF output"); |
995 |
|
} |
996 |
|
|
997 |
|
|
998 |
< |
void |
999 |
< |
Colr2Gry(y) /* read/convert/write COLR->RGB scanline */ |
1000 |
< |
uint32 y; |
998 |
> |
static void |
999 |
> |
Colr2Gry( /* read/convert/write COLR->RGB scanline */ |
1000 |
> |
uint32 y |
1001 |
> |
) |
1002 |
|
{ |
1003 |
|
register int x; |
1004 |
|
|
1022 |
|
} |
1023 |
|
|
1024 |
|
|
1025 |
< |
void |
1026 |
< |
Colr2RGB(y) /* read/convert/write COLR->RGB scanline */ |
1027 |
< |
uint32 y; |
1025 |
> |
static void |
1026 |
> |
Colr2RGB( /* read/convert/write COLR->RGB scanline */ |
1027 |
> |
uint32 y |
1028 |
> |
) |
1029 |
|
{ |
1030 |
|
COLOR ctmp; |
1031 |
|
register int x; |