15 |
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|
16 |
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#include "resolu.h" |
17 |
|
|
18 |
+ |
typedef unsigned short uint16; /* sizeof (uint16) must == 2 */ |
19 |
+ |
|
20 |
|
#define min(a,b) ((a)<(b)?(a):(b)) |
21 |
|
|
22 |
|
/* what to put out (also RED, GRN, BLU) */ |
169 |
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format = 'b'; |
170 |
|
fmtid = "byte"; |
171 |
|
break; |
172 |
+ |
case 'w': /* 16-bit */ |
173 |
+ |
dataonly = 1; |
174 |
+ |
format = 'w'; |
175 |
+ |
fmtid = "16-bit"; |
176 |
+ |
break; |
177 |
|
case 'f': /* float */ |
178 |
|
dataonly = 1; |
179 |
|
format = 'f'; |
219 |
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fmtid = "8-bit_grey"; |
220 |
|
else |
221 |
|
fmtid = "24-bit_rgb"; |
222 |
+ |
if (dataonly && format == 'w') |
223 |
+ |
if (brightonly) |
224 |
+ |
fmtid = "16-bit_grey"; |
225 |
+ |
else |
226 |
+ |
fmtid = "48-bit_rgb"; |
227 |
|
/* assign reverse ordering */ |
228 |
|
rord[ord[0]] = 0; |
229 |
|
rord[ord[1]] = 1; |
606 |
|
} |
607 |
|
|
608 |
|
|
609 |
+ |
getcword(col) /* get a 16-bit color value from stream(s) */ |
610 |
+ |
COLOR col; |
611 |
+ |
{ |
612 |
+ |
uint16 vw[3]; |
613 |
+ |
|
614 |
+ |
if (fin2 == NULL) { |
615 |
+ |
if (fread((char *)vw, sizeof(uint16), 3, fin) != 3) |
616 |
+ |
return(-1); |
617 |
+ |
} else { |
618 |
+ |
if (fread((char *)vw, sizeof(uint16), 1, fin) != 1 || |
619 |
+ |
fread((char *)(vw+1), sizeof(uint16), 1, fin2) != 1 || |
620 |
+ |
fread((char *)(vw+2), sizeof(uint16), 1, fin3) != 1) |
621 |
+ |
return(-1); |
622 |
+ |
} |
623 |
+ |
setcolor(col, (vw[rord[RED]]+.5)/65536., |
624 |
+ |
(vw[rord[GRN]]+.5)/65536., (vw[rord[BLU]]+.5)/65536.); |
625 |
+ |
return(0); |
626 |
+ |
} |
627 |
+ |
|
628 |
+ |
|
629 |
|
getbascii(col) /* get an ascii brightness value from fin */ |
630 |
|
COLOR col; |
631 |
|
{ |
690 |
|
} |
691 |
|
|
692 |
|
|
693 |
+ |
getbword(col) /* get a 16-bit brightness value from fin */ |
694 |
+ |
COLOR col; |
695 |
+ |
{ |
696 |
+ |
uint16 vw; |
697 |
+ |
double d; |
698 |
+ |
|
699 |
+ |
if (fread((char *)&vw, sizeof(uint16), 1, fin) != 1) |
700 |
+ |
return(-1); |
701 |
+ |
d = (vw+.5)/65536.; |
702 |
+ |
setcolor(col, d, d, d); |
703 |
+ |
return(0); |
704 |
+ |
} |
705 |
+ |
|
706 |
+ |
|
707 |
|
putcascii(col) /* put an ascii color to stdout */ |
708 |
|
COLOR col; |
709 |
|
{ |
759 |
|
putcbyte(col) /* put a byte color to stdout */ |
760 |
|
COLOR col; |
761 |
|
{ |
762 |
< |
register int i; |
762 |
> |
long i; |
763 |
|
BYTE vb[3]; |
764 |
|
|
765 |
|
i = colval(col,ord[0])*256.; |
774 |
|
} |
775 |
|
|
776 |
|
|
777 |
+ |
putcword(col) /* put a 16-bit color to stdout */ |
778 |
+ |
COLOR col; |
779 |
+ |
{ |
780 |
+ |
long i; |
781 |
+ |
uint16 vw[3]; |
782 |
+ |
|
783 |
+ |
i = colval(col,ord[0])*65536.; |
784 |
+ |
vw[0] = min(i,65535); |
785 |
+ |
i = colval(col,ord[1])*65536.; |
786 |
+ |
vw[1] = min(i,65535); |
787 |
+ |
i = colval(col,ord[2])*65536.; |
788 |
+ |
vw[2] = min(i,65535); |
789 |
+ |
fwrite((char *)vw, sizeof(uint16), 3, stdout); |
790 |
+ |
|
791 |
+ |
return(ferror(stdout) ? -1 : 0); |
792 |
+ |
} |
793 |
+ |
|
794 |
+ |
|
795 |
|
putbascii(col) /* put an ascii brightness to stdout */ |
796 |
|
COLOR col; |
797 |
|
{ |
848 |
|
} |
849 |
|
|
850 |
|
|
851 |
+ |
putbword(col) /* put a 16-bit brightness to stdout */ |
852 |
+ |
COLOR col; |
853 |
+ |
{ |
854 |
+ |
long i; |
855 |
+ |
uint16 vw; |
856 |
+ |
|
857 |
+ |
i = (*mybright)(col)*65536.; |
858 |
+ |
vw = min(i,65535); |
859 |
+ |
fwrite((char *)&vw, sizeof(uint16), 1, stdout); |
860 |
+ |
|
861 |
+ |
return(ferror(stdout) ? -1 : 0); |
862 |
+ |
} |
863 |
+ |
|
864 |
+ |
|
865 |
|
putpascii(col) /* put an ascii primary to stdout */ |
866 |
|
COLOR col; |
867 |
|
{ |
907 |
|
putpbyte(col) /* put a byte primary to stdout */ |
908 |
|
COLOR col; |
909 |
|
{ |
910 |
< |
register int i; |
910 |
> |
long i; |
911 |
|
BYTE vb; |
912 |
|
|
913 |
|
i = colval(col,putprim)*256.; |
918 |
|
} |
919 |
|
|
920 |
|
|
921 |
+ |
putpword(col) /* put a 16-bit primary to stdout */ |
922 |
+ |
COLOR col; |
923 |
+ |
{ |
924 |
+ |
long i; |
925 |
+ |
uint16 vw; |
926 |
+ |
|
927 |
+ |
i = colval(col,putprim)*65536.; |
928 |
+ |
vw = min(i,65535); |
929 |
+ |
fwrite((char *)&vw, sizeof(uint16), 1, stdout); |
930 |
+ |
|
931 |
+ |
return(ferror(stdout) ? -1 : 0); |
932 |
+ |
} |
933 |
+ |
|
934 |
+ |
|
935 |
|
set_io() /* set put and get functions */ |
936 |
|
{ |
937 |
|
switch (format) { |
1033 |
|
goto seekerr; |
1034 |
|
if (fseek(fin3, |
1035 |
|
(long)sizeof(BYTE)*2*picres.xr*picres.yr, 1)) |
1036 |
+ |
goto seekerr; |
1037 |
+ |
} |
1038 |
+ |
} |
1039 |
+ |
return; |
1040 |
+ |
case 'w': /* 16-bit */ |
1041 |
+ |
if (putprim == BRIGHT) { |
1042 |
+ |
getval = getbword; |
1043 |
+ |
putval = putbword; |
1044 |
+ |
} else if (putprim != ALL) { |
1045 |
+ |
getval = getbword; |
1046 |
+ |
putval = putpword; |
1047 |
+ |
} else { |
1048 |
+ |
getval = getcword; |
1049 |
+ |
putval = putcword; |
1050 |
+ |
if (reverse && !interleave) { |
1051 |
+ |
if (fin2 == NULL) |
1052 |
+ |
goto namerr; |
1053 |
+ |
if (fseek(fin2, |
1054 |
+ |
(long)sizeof(uint16)*picres.xr*picres.yr, 1)) |
1055 |
+ |
goto seekerr; |
1056 |
+ |
if (fseek(fin3, |
1057 |
+ |
(long)sizeof(uint16)*2*picres.xr*picres.yr, 1)) |
1058 |
|
goto seekerr; |
1059 |
|
} |
1060 |
|
} |