| 1 |
< |
/* Copyright (c) 1997 Regents of the University of California */ |
| 1 |
> |
/* Copyright (c) 1998 Silicon Graphics, Inc. */ |
| 2 |
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|
| 3 |
|
#ifndef lint |
| 4 |
< |
static char SCCSid[] = "$SunId$ LBL"; |
| 4 |
> |
static char SCCSid[] = "$SunId$ SGI"; |
| 5 |
|
#endif |
| 6 |
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|
| 7 |
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/* |
| 27 |
|
#include <X11/Xutil.h> |
| 28 |
|
#include <X11/Xatom.h> |
| 29 |
|
|
| 30 |
< |
#include "color.h" |
| 30 |
> |
#undef NOPROTO |
| 31 |
> |
#define NOPROTO 1 |
| 32 |
> |
#include "tonemap.h" |
| 33 |
|
#include "view.h" |
| 34 |
|
#include "x11raster.h" |
| 35 |
|
#include "random.h" |
| 36 |
|
#include "resolu.h" |
| 37 |
|
|
| 36 |
– |
#ifdef __alpha |
| 37 |
– |
#define int4 int |
| 38 |
– |
#endif |
| 38 |
|
#ifndef int4 |
| 39 |
< |
#define int4 long |
| 39 |
> |
#define int4 int /* most int's are 32-bit */ |
| 40 |
|
#endif |
| 41 |
|
|
| 42 |
|
#define FONTNAME "8x13" /* text font we'll use */ |
| 47 |
|
|
| 48 |
|
#define ICONSIZ (8*10) /* maximum icon dimension (even 8) */ |
| 49 |
|
|
| 50 |
+ |
#define FIXWEIGHT 20 /* weight to add for fixation points */ |
| 51 |
+ |
|
| 52 |
|
#define ourscreen DefaultScreen(thedisplay) |
| 53 |
|
#define ourroot RootWindow(thedisplay,ourscreen) |
| 54 |
|
|
| 80 |
|
char *tout = "od"; /* output of 't' command */ |
| 81 |
|
int tinterv = 0; /* interval between mouse reports */ |
| 82 |
|
|
| 83 |
+ |
int tmflags = TM_F_LINEAR; /* tone mapping flags */ |
| 84 |
+ |
|
| 85 |
|
VIEW ourview = STDVIEW; /* image view parameters */ |
| 86 |
|
int gotview = 0; /* got parameters from file */ |
| 87 |
|
|
| 88 |
|
COLR *scanline; /* scan line buffer */ |
| 89 |
+ |
TMbright *lscan; /* encoded luminance scanline */ |
| 90 |
+ |
BYTE *cscan; /* encoded chroma scanline */ |
| 91 |
+ |
BYTE *pscan; /* compute pixel scanline */ |
| 92 |
|
|
| 93 |
|
RESOLU inpres; /* input resolution and ordering */ |
| 94 |
|
int xmax, ymax; /* picture dimensions */ |
| 179 |
|
tinterv = atoi(argv[++i]); |
| 180 |
|
break; |
| 181 |
|
case 'e': /* exposure comp. */ |
| 182 |
< |
if (argv[i+1][0] != '+' && argv[i+1][0] != '-') |
| 182 |
> |
i++; |
| 183 |
> |
if (argv[i][0] == 'a') { |
| 184 |
> |
tmflags = TM_F_CAMERA; |
| 185 |
> |
break; |
| 186 |
> |
} |
| 187 |
> |
if (argv[i][0] == 'h') { |
| 188 |
> |
tmflags = TM_F_HUMAN; |
| 189 |
> |
break; |
| 190 |
> |
} |
| 191 |
> |
if (argv[i][0] != '+' && argv[i][0] != '-') |
| 192 |
|
goto userr; |
| 193 |
< |
scale = atoi(argv[++i]); |
| 193 |
> |
scale = atoi(argv[i]); |
| 194 |
|
break; |
| 195 |
|
case 'g': /* gamma comp. */ |
| 196 |
|
if (argv[i][2] == 'e') |
| 247 |
|
getevent(); /* main loop */ |
| 248 |
|
userr: |
| 249 |
|
fprintf(stderr, |
| 250 |
< |
"Usage: %s [-di disp][[-ge] spec][-b][-m][-d][-f][-c nclrs][-e +/-stops][-g gamcor][-s][-ospec][-t intvl] pic ..\n", |
| 250 |
> |
"Usage: %s [-di disp][[-ge] spec][-b][-m][-d][-f][-c nclrs][-e spec][-g gamcor][-s][-ospec][-t intvl] pic ..\n", |
| 251 |
|
progname); |
| 252 |
|
exit(1); |
| 253 |
|
} |
| 260 |
|
|
| 261 |
|
if (isexpos(s)) |
| 262 |
|
exposure *= exposval(s); |
| 263 |
< |
else if (isformat(s)) { |
| 249 |
< |
formatval(fmt, s); |
| 263 |
> |
else if (formatval(fmt, s)) |
| 264 |
|
wrongformat = strcmp(fmt, COLRFMT); |
| 265 |
< |
} else if (isview(s) && sscanview(&ourview, s) > 0) |
| 265 |
> |
else if (isview(s) && sscanview(&ourview, s) > 0) |
| 266 |
|
gotview++; |
| 267 |
|
} |
| 268 |
|
|
| 558 |
|
xmax, ymax, 8); |
| 559 |
|
if (ourras == NULL) |
| 560 |
|
goto fail; |
| 561 |
< |
if (greyscale | ourvis.class == StaticGray) |
| 561 |
> |
if (greyscale) |
| 562 |
|
getgrey(); |
| 563 |
|
else |
| 564 |
|
getmapped(); |
| 693 |
|
case '\r': |
| 694 |
|
case 'l': |
| 695 |
|
case 'c': /* value */ |
| 696 |
< |
if (avgbox(cval) == -1) |
| 696 |
> |
if (!avgbox(cval)) |
| 697 |
|
return(-1); |
| 698 |
|
switch (com) { |
| 699 |
|
case '\n': |
| 735 |
|
return(0); |
| 736 |
|
case 't': /* trace */ |
| 737 |
|
return(traceray(ekey->x, ekey->y)); |
| 738 |
+ |
case 'a': /* auto exposure */ |
| 739 |
+ |
if (fname == NULL) |
| 740 |
+ |
return(-1); |
| 741 |
+ |
tmflags = TM_F_CAMERA; |
| 742 |
+ |
strcpy(buf, "auto exposure..."); |
| 743 |
+ |
goto remap; |
| 744 |
+ |
case 'h': /* human response */ |
| 745 |
+ |
if (fname == NULL) |
| 746 |
+ |
return(-1); |
| 747 |
+ |
tmflags = TM_F_HUMAN; |
| 748 |
+ |
strcpy(buf, "human exposure..."); |
| 749 |
+ |
goto remap; |
| 750 |
|
case '=': /* adjust exposure */ |
| 751 |
|
case '@': /* adaptation level */ |
| 752 |
< |
if (avgbox(cval) == -1) |
| 752 |
> |
if (!avgbox(cval)) |
| 753 |
|
return(-1); |
| 754 |
|
comp = bright(cval); |
| 755 |
|
if (comp < 1e-20) { |
| 763 |
|
comp = .5/comp; |
| 764 |
|
comp = log(comp)/.69315 - scale; |
| 765 |
|
n = comp < 0 ? comp-.5 : comp+.5 ; /* round */ |
| 766 |
< |
if (n == 0) |
| 767 |
< |
return(0); |
| 768 |
< |
scale_rcolors(ourras, pow(2.0, (double)n)); |
| 766 |
> |
if (tmflags != TM_F_LINEAR) |
| 767 |
> |
tmflags = TM_F_LINEAR; /* turn off tone mapping */ |
| 768 |
> |
else { |
| 769 |
> |
if (n == 0) /* else check if any change */ |
| 770 |
> |
return(0); |
| 771 |
> |
scale_rcolors(ourras, pow(2.0, (double)n)); |
| 772 |
> |
} |
| 773 |
|
scale += n; |
| 774 |
|
sprintf(buf, "%+d", scale); |
| 775 |
+ |
remap: |
| 776 |
|
XDrawImageString(thedisplay, wind, ourgc, |
| 777 |
|
box.xmin, box.ymin+box.ysiz, buf, strlen(buf)); |
| 778 |
|
XFlush(thedisplay); |
| 896 |
|
} |
| 897 |
|
|
| 898 |
|
|
| 899 |
< |
avgbox(clr) /* average color over current box */ |
| 900 |
< |
COLOR clr; |
| 899 |
> |
int |
| 900 |
> |
colavg(scn, n, cavg) |
| 901 |
> |
register COLR *scn; |
| 902 |
> |
register int n; |
| 903 |
> |
COLOR cavg; |
| 904 |
|
{ |
| 905 |
< |
static COLOR lc; |
| 906 |
< |
static int ll, lr, lt, lb; |
| 905 |
> |
COLOR col; |
| 906 |
> |
|
| 907 |
> |
while (n--) { |
| 908 |
> |
colr_color(col, scn++); |
| 909 |
> |
addcolor(cavg, col); |
| 910 |
> |
} |
| 911 |
> |
} |
| 912 |
> |
|
| 913 |
> |
|
| 914 |
> |
int |
| 915 |
> |
avgbox(cavg) /* average color over current box */ |
| 916 |
> |
COLOR cavg; |
| 917 |
> |
{ |
| 918 |
> |
double d; |
| 919 |
> |
register int rval; |
| 920 |
> |
|
| 921 |
> |
setcolor(cavg, 0., 0., 0.); |
| 922 |
> |
rval = dobox(colavg, (char *)cavg); |
| 923 |
> |
if (rval > 0) { |
| 924 |
> |
d = 1./rval; |
| 925 |
> |
scalecolor(cavg, d); |
| 926 |
> |
} |
| 927 |
> |
return(rval); |
| 928 |
> |
} |
| 929 |
> |
|
| 930 |
> |
|
| 931 |
> |
int |
| 932 |
> |
dobox(f, p) /* run function over box */ |
| 933 |
> |
int (*f)(); /* function to call for each subscan */ |
| 934 |
> |
char *p; /* pointer to private data */ |
| 935 |
> |
{ |
| 936 |
|
int left, right, top, bottom; |
| 937 |
|
int y; |
| 875 |
– |
double d; |
| 876 |
– |
COLOR ctmp; |
| 877 |
– |
register int x; |
| 938 |
|
|
| 879 |
– |
setcolor(clr, 0.0, 0.0, 0.0); |
| 939 |
|
left = box.xmin - xoff; |
| 940 |
|
right = left + box.xsiz; |
| 941 |
|
if (left < 0) |
| 943 |
|
if (right > xmax) |
| 944 |
|
right = xmax; |
| 945 |
|
if (left >= right) |
| 946 |
< |
return(-1); |
| 946 |
> |
return(0); |
| 947 |
|
top = box.ymin - yoff; |
| 948 |
|
bottom = top + box.ysiz; |
| 949 |
|
if (top < 0) |
| 951 |
|
if (bottom > ymax) |
| 952 |
|
bottom = ymax; |
| 953 |
|
if (top >= bottom) |
| 895 |
– |
return(-1); |
| 896 |
– |
if (left == ll && right == lr && top == lt && bottom == lb) { |
| 897 |
– |
copycolor(clr, lc); |
| 954 |
|
return(0); |
| 899 |
– |
} |
| 955 |
|
for (y = top; y < bottom; y++) { |
| 956 |
|
if (getscan(y) == -1) |
| 957 |
|
return(-1); |
| 958 |
< |
for (x = left; x < right; x++) { |
| 959 |
< |
colr_color(ctmp, scanline[x]); |
| 960 |
< |
addcolor(clr, ctmp); |
| 958 |
> |
(*f)(scanline+left, right-left, p); |
| 959 |
> |
} |
| 960 |
> |
return((right-left)*(bottom-top)); |
| 961 |
> |
} |
| 962 |
> |
|
| 963 |
> |
|
| 964 |
> |
int |
| 965 |
> |
addfix(scn, n) /* add fixation points to histogram */ |
| 966 |
> |
COLR *scn; |
| 967 |
> |
int n; |
| 968 |
> |
{ |
| 969 |
> |
if (tmCvColrs(lscan, TM_NOCHROM, scn, n)) |
| 970 |
> |
goto tmerr; |
| 971 |
> |
if (tmAddHisto(lscan, n, FIXWEIGHT)) |
| 972 |
> |
goto tmerr; |
| 973 |
> |
return; |
| 974 |
> |
tmerr: |
| 975 |
> |
quiterr("tone mapping error"); |
| 976 |
> |
} |
| 977 |
> |
|
| 978 |
> |
|
| 979 |
> |
make_tonemap() /* initialize tone mapping */ |
| 980 |
> |
{ |
| 981 |
> |
int flags, y; |
| 982 |
> |
|
| 983 |
> |
if (tmflags != TM_F_LINEAR && fname == NULL) { |
| 984 |
> |
fprintf(stderr, "%s: cannot adjust tone of standard input\n", |
| 985 |
> |
progname); |
| 986 |
> |
tmflags = TM_F_LINEAR; |
| 987 |
> |
} |
| 988 |
> |
if (tmflags == TM_F_LINEAR) { /* linear with clamping */ |
| 989 |
> |
setcolrcor(pow, 1.0/gamcor); |
| 990 |
> |
return; |
| 991 |
> |
} |
| 992 |
> |
flags = tmflags; /* histogram adjustment */ |
| 993 |
> |
if (greyscale) flags |= TM_F_BW; |
| 994 |
> |
if (tmTop != NULL) { /* reuse old histogram if one */ |
| 995 |
> |
tmDone(tmTop); |
| 996 |
> |
tmTop->flags = flags; |
| 997 |
> |
} else { /* else initialize */ |
| 998 |
> |
if ((lscan = (TMbright *)malloc(xmax*sizeof(TMbright))) == NULL) |
| 999 |
> |
goto memerr; |
| 1000 |
> |
if (greyscale) { |
| 1001 |
> |
cscan = TM_NOCHROM; |
| 1002 |
> |
if ((pscan = (BYTE *)malloc(sizeof(BYTE)*xmax)) == NULL) |
| 1003 |
> |
goto memerr; |
| 1004 |
> |
} else if ((pscan=cscan = (BYTE *)malloc(3*sizeof(BYTE)*xmax)) |
| 1005 |
> |
== NULL) |
| 1006 |
> |
goto memerr; |
| 1007 |
> |
/* initialize tm library */ |
| 1008 |
> |
if (tmInit(flags, stdprims, gamcor) == NULL) |
| 1009 |
> |
goto memerr; |
| 1010 |
> |
if (tmSetSpace(stdprims, WHTEFFICACY/exposure)) |
| 1011 |
> |
goto tmerr; |
| 1012 |
> |
/* compute picture histogram */ |
| 1013 |
> |
for (y = 0; y < ymax; y++) { |
| 1014 |
> |
getscan(y); |
| 1015 |
> |
if (tmCvColrs(lscan, TM_NOCHROM, scanline, xmax)) |
| 1016 |
> |
goto tmerr; |
| 1017 |
> |
if (tmAddHisto(lscan, xmax, 1)) |
| 1018 |
> |
goto tmerr; |
| 1019 |
|
} |
| 1020 |
|
} |
| 1021 |
< |
d = 1.0/((right-left)*(bottom-top)); |
| 1022 |
< |
scalecolor(clr, d); |
| 1023 |
< |
ll = left; lr = right; lt = top; lb = bottom; |
| 1024 |
< |
copycolor(lc, clr); |
| 1025 |
< |
return(0); |
| 1021 |
> |
tmDup(); /* add fixations to duplicate map */ |
| 1022 |
> |
dobox(addfix, NULL); |
| 1023 |
> |
/* (re)compute tone mapping */ |
| 1024 |
> |
if (tmComputeMapping(gamcor, 0., 0.)) |
| 1025 |
> |
goto tmerr; |
| 1026 |
> |
return; |
| 1027 |
> |
memerr: |
| 1028 |
> |
quiterr("out of memory in make_tonemap"); |
| 1029 |
> |
tmerr: |
| 1030 |
> |
quiterr("tone mapping error"); |
| 1031 |
|
} |
| 1032 |
|
|
| 1033 |
|
|
| 1034 |
+ |
tmap_colrs(scn, len) /* apply tone mapping to scanline */ |
| 1035 |
+ |
register COLR *scn; |
| 1036 |
+ |
int len; |
| 1037 |
+ |
{ |
| 1038 |
+ |
register BYTE *ps; |
| 1039 |
+ |
|
| 1040 |
+ |
if (tmflags == TM_F_LINEAR) { |
| 1041 |
+ |
if (scale) |
| 1042 |
+ |
shiftcolrs(scn, len, scale); |
| 1043 |
+ |
colrs_gambs(scn, len); |
| 1044 |
+ |
return; |
| 1045 |
+ |
} |
| 1046 |
+ |
if (len > xmax) |
| 1047 |
+ |
quiterr("code error 1 in tmap_colrs"); |
| 1048 |
+ |
if (tmCvColrs(lscan, cscan, scn, len)) |
| 1049 |
+ |
goto tmerr; |
| 1050 |
+ |
if (tmMapPixels(pscan, lscan, cscan, len)) |
| 1051 |
+ |
goto tmerr; |
| 1052 |
+ |
ps = pscan; |
| 1053 |
+ |
if (greyscale) |
| 1054 |
+ |
while (len--) { |
| 1055 |
+ |
scn[0][RED] = scn[0][GRN] = scn[0][BLU] = *ps++; |
| 1056 |
+ |
scn[0][EXP] = COLXS; |
| 1057 |
+ |
scn++; |
| 1058 |
+ |
} |
| 1059 |
+ |
else |
| 1060 |
+ |
while (len--) { |
| 1061 |
+ |
scn[0][RED] = *ps++; |
| 1062 |
+ |
scn[0][GRN] = *ps++; |
| 1063 |
+ |
scn[0][BLU] = *ps++; |
| 1064 |
+ |
scn[0][EXP] = COLXS; |
| 1065 |
+ |
scn++; |
| 1066 |
+ |
} |
| 1067 |
+ |
return; |
| 1068 |
+ |
tmerr: |
| 1069 |
+ |
quiterr("tone mapping error"); |
| 1070 |
+ |
} |
| 1071 |
+ |
|
| 1072 |
+ |
|
| 1073 |
|
getmono() /* get monochrome data */ |
| 1074 |
|
{ |
| 1075 |
|
register unsigned char *dp; |
| 1159 |
|
int y; |
| 1160 |
|
register unsigned int4 *dp; |
| 1161 |
|
register int x; |
| 1162 |
< |
/* set gamma correction */ |
| 1163 |
< |
setcolrgam(gamcor); |
| 1162 |
> |
/* initialize tone mapping */ |
| 1163 |
> |
make_tonemap(); |
| 1164 |
|
/* read and convert file */ |
| 1165 |
|
dp = (unsigned int4 *)ourdata; |
| 1166 |
|
for (y = 0; y < ymax; y++) { |
| 1167 |
|
getscan(y); |
| 1168 |
|
add2icon(y, scanline); |
| 1169 |
< |
if (scale) |
| 1013 |
< |
shiftcolrs(scanline, xmax, scale); |
| 1014 |
< |
colrs_gambs(scanline, xmax); |
| 1169 |
> |
tmap_colrs(scanline, xmax); |
| 1170 |
|
if (ourras->image->blue_mask & 1) |
| 1171 |
|
for (x = 0; x < xmax; x++) |
| 1172 |
|
*dp++ = (unsigned int4)scanline[x][RED] << 16 | |
| 1186 |
|
int y; |
| 1187 |
|
register unsigned char *dp; |
| 1188 |
|
register int x; |
| 1189 |
< |
/* set gamma correction */ |
| 1190 |
< |
setcolrgam(gamcor); |
| 1189 |
> |
/* initialize tone mapping */ |
| 1190 |
> |
make_tonemap(); |
| 1191 |
|
/* read and convert file */ |
| 1192 |
|
dp = ourdata; |
| 1193 |
|
for (y = 0; y < ymax; y++) { |
| 1194 |
|
getscan(y); |
| 1195 |
|
add2icon(y, scanline); |
| 1196 |
< |
if (scale) |
| 1042 |
< |
shiftcolrs(scanline, xmax, scale); |
| 1043 |
< |
for (x = 0; x < xmax; x++) |
| 1044 |
< |
scanline[x][GRN] = normbright(scanline[x]); |
| 1045 |
< |
colrs_gambs(scanline, xmax); |
| 1196 |
> |
tmap_colrs(scanline, xmax); |
| 1197 |
|
if (maxcolors < 256) |
| 1198 |
|
for (x = 0; x < xmax; x++) |
| 1199 |
< |
*dp++ = ((long)scanline[x][GRN] * |
| 1199 |
> |
*dp++ = ((int4)scanline[x][GRN] * |
| 1200 |
|
maxcolors + maxcolors/2) >> 8; |
| 1201 |
|
else |
| 1202 |
|
for (x = 0; x < xmax; x++) |
| 1204 |
|
} |
| 1205 |
|
for (x = 0; x < maxcolors; x++) |
| 1206 |
|
clrtab[x][RED] = clrtab[x][GRN] = |
| 1207 |
< |
clrtab[x][BLU] = ((long)x*256 + 128)/maxcolors; |
| 1207 |
> |
clrtab[x][BLU] = ((int4)x*256 + 128)/maxcolors; |
| 1208 |
|
} |
| 1209 |
|
|
| 1210 |
|
|
| 1214 |
|
/* make sure we can do it first */ |
| 1215 |
|
if (fname == NULL) |
| 1216 |
|
quiterr("cannot map colors from standard input"); |
| 1217 |
< |
/* set gamma correction */ |
| 1218 |
< |
setcolrgam(gamcor); |
| 1217 |
> |
/* initialize tone mapping */ |
| 1218 |
> |
make_tonemap(); |
| 1219 |
|
/* make histogram */ |
| 1220 |
< |
if (new_histo((long)xmax*ymax) == -1) |
| 1220 |
> |
if (new_histo((int4)xmax*ymax) == -1) |
| 1221 |
|
quiterr("cannot initialize histogram"); |
| 1222 |
|
for (y = 0; y < ymax; y++) { |
| 1223 |
|
if (getscan(y) < 0) |
| 1224 |
|
break; |
| 1225 |
|
add2icon(y, scanline); |
| 1226 |
< |
if (scale) |
| 1076 |
< |
shiftcolrs(scanline, xmax, scale); |
| 1077 |
< |
colrs_gambs(scanline, xmax); |
| 1226 |
> |
tmap_colrs(scanline, xmax); |
| 1227 |
|
cnt_colrs(scanline, xmax); |
| 1228 |
|
} |
| 1229 |
|
/* map pixels */ |
| 1231 |
|
quiterr("cannot create color map"); |
| 1232 |
|
for (y = 0; y < ymax; y++) { |
| 1233 |
|
getscan(y); |
| 1234 |
< |
if (scale) |
| 1086 |
< |
shiftcolrs(scanline, xmax, scale); |
| 1087 |
< |
colrs_gambs(scanline, xmax); |
| 1234 |
> |
tmap_colrs(scanline, xmax); |
| 1235 |
|
if (dither) |
| 1236 |
|
dith_colrs(ourdata+y*xmax, scanline, xmax); |
| 1237 |
|
else |