1 |
– |
/* Copyright (c) 1995 Regents of the University of California */ |
2 |
– |
|
1 |
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#ifndef lint |
2 |
< |
static char SCCSid[] = "$SunId$ LBL"; |
2 |
> |
static const char RCSid[] = "$Id"; |
3 |
|
#endif |
6 |
– |
|
4 |
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/* |
5 |
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* x11image.c - driver for X-windows |
6 |
|
* |
18 |
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|
19 |
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#include "standard.h" |
20 |
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|
21 |
+ |
#include <string.h> |
22 |
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#include <signal.h> |
23 |
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#include <X11/Xlib.h> |
24 |
|
#include <X11/cursorfont.h> |
26 |
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#include <X11/Xatom.h> |
27 |
|
|
28 |
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#include "color.h" |
29 |
+ |
#include "tonemap.h" |
30 |
|
#include "view.h" |
31 |
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#include "x11raster.h" |
32 |
|
#include "random.h" |
34 |
– |
#include "resolu.h" |
33 |
|
|
36 |
– |
#ifdef __alpha |
37 |
– |
#define int4 int |
38 |
– |
#endif |
39 |
– |
#ifndef int4 |
40 |
– |
#define int4 long |
41 |
– |
#endif |
42 |
– |
|
34 |
|
#define FONTNAME "8x13" /* text font we'll use */ |
35 |
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|
36 |
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#define CTRL(c) ((c)-'@') |
39 |
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|
40 |
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#define ICONSIZ (8*10) /* maximum icon dimension (even 8) */ |
41 |
|
|
42 |
+ |
#define FIXWEIGHT 20 /* weight to add for fixation points */ |
43 |
+ |
|
44 |
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#define ourscreen DefaultScreen(thedisplay) |
45 |
|
#define ourroot RootWindow(thedisplay,ourscreen) |
46 |
|
|
69 |
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int parent = 0; /* number of children, -1 if child */ |
70 |
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int sequential = 0; /* display images in sequence */ |
71 |
|
|
72 |
+ |
char *tout = "od"; /* output of 't' command */ |
73 |
+ |
int tinterv = 0; /* interval between mouse reports */ |
74 |
+ |
|
75 |
+ |
int tmflags = TM_F_LINEAR; /* tone mapping flags */ |
76 |
+ |
|
77 |
|
VIEW ourview = STDVIEW; /* image view parameters */ |
78 |
|
int gotview = 0; /* got parameters from file */ |
79 |
|
|
80 |
|
COLR *scanline; /* scan line buffer */ |
81 |
+ |
TMbright *lscan; /* encoded luminance scanline */ |
82 |
+ |
BYTE *cscan; /* encoded chroma scanline */ |
83 |
+ |
BYTE *pscan; /* compute pixel scanline */ |
84 |
|
|
85 |
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RESOLU inpres; /* input resolution and ordering */ |
86 |
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int xmax, ymax; /* picture dimensions */ |
87 |
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int width, height; /* window size */ |
88 |
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char *fname = NULL; /* input file name */ |
89 |
< |
FILE *fin = stdin; /* input file */ |
89 |
> |
FILE *fin = NULL; /* input file */ |
90 |
|
long *scanpos = NULL; /* scan line positions in file */ |
91 |
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int cury = 0; /* current scan location */ |
92 |
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|
104 |
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|
105 |
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struct { |
106 |
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int xmin, ymin, xsiz, ysiz; |
107 |
< |
} box = {0, 0, 0, 0}; /* current box */ |
107 |
> |
} bbox = {0, 0, 0, 0}; /* current bbox */ |
108 |
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|
109 |
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char *geometry = NULL; /* geometry specification */ |
110 |
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|
126 |
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|
127 |
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int sigrecv; |
128 |
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|
129 |
< |
int onsig() { sigrecv++; } |
129 |
> |
void onsig(int i) { sigrecv++; } |
130 |
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|
131 |
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|
132 |
|
main(argc, argv) |
138 |
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int pid; |
139 |
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|
140 |
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progname = argv[0]; |
141 |
+ |
fin = stdin; |
142 |
|
|
143 |
|
for (i = 1; i < argc; i++) |
144 |
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if (argv[i][0] == '-') |
145 |
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switch (argv[i][1]) { |
146 |
< |
case 'c': |
146 |
> |
case 'c': /* number of colors */ |
147 |
|
maxcolors = atoi(argv[++i]); |
148 |
|
break; |
149 |
< |
case 'b': |
149 |
> |
case 'b': /* greyscale only */ |
150 |
|
greyscale = !greyscale; |
151 |
|
break; |
152 |
< |
case 'm': |
152 |
> |
case 'm': /* monochrome */ |
153 |
|
greyscale = 1; |
154 |
|
maxcolors = 2; |
155 |
|
break; |
156 |
< |
case 'd': |
156 |
> |
case 'd': /* display or dither */ |
157 |
|
if (argv[i][2] == 'i') |
158 |
|
dispname = argv[++i]; |
159 |
|
else |
160 |
|
dither = !dither; |
161 |
|
break; |
162 |
< |
case 'f': |
162 |
> |
case 'f': /* save pixmap */ |
163 |
|
fast = !fast; |
164 |
|
break; |
165 |
< |
case 's': |
165 |
> |
case 's': /* one at a time */ |
166 |
|
sequential = !sequential; |
167 |
|
break; |
168 |
< |
case 'e': |
169 |
< |
if (argv[i+1][0] != '+' && argv[i+1][0] != '-') |
168 |
> |
case 'o': /* 't' output */ |
169 |
> |
tout = argv[i]+2; |
170 |
> |
break; |
171 |
> |
case 't': /* msec interval */ |
172 |
> |
tinterv = atoi(argv[++i]); |
173 |
> |
break; |
174 |
> |
case 'e': /* exposure comp. */ |
175 |
> |
i++; |
176 |
> |
if (argv[i][0] == 'a') { |
177 |
> |
tmflags = TM_F_CAMERA; |
178 |
> |
break; |
179 |
> |
} |
180 |
> |
if (argv[i][0] == 'h') { |
181 |
> |
tmflags = TM_F_HUMAN; |
182 |
> |
break; |
183 |
> |
} |
184 |
> |
if (argv[i][0] != '+' && argv[i][0] != '-') |
185 |
|
goto userr; |
186 |
< |
scale = atoi(argv[++i]); |
186 |
> |
scale = atoi(argv[i]); |
187 |
|
break; |
188 |
< |
case 'g': |
188 |
> |
case 'g': /* gamma comp. */ |
189 |
|
if (argv[i][2] == 'e') |
190 |
|
geometry = argv[++i]; |
191 |
|
else |
240 |
|
getevent(); /* main loop */ |
241 |
|
userr: |
242 |
|
fprintf(stderr, |
243 |
< |
"Usage: %s [-di disp][[-ge] spec][-b][-m][-d][-f][-c nclrs][-e +/-stops][-g gamcor][-s] pic ..\n", |
243 |
> |
"Usage: %s [-di disp][[-ge] spec][-b][-m][-d][-f][-c nclrs][-e spec][-g gamcor][-s][-ospec][-t intvl] pic ..\n", |
244 |
|
progname); |
245 |
|
exit(1); |
246 |
|
} |
247 |
|
|
248 |
|
|
249 |
+ |
int |
250 |
|
headline(s) /* get relevant info from header */ |
251 |
|
char *s; |
252 |
|
{ |
254 |
|
|
255 |
|
if (isexpos(s)) |
256 |
|
exposure *= exposval(s); |
257 |
< |
else if (isformat(s)) { |
240 |
< |
formatval(fmt, s); |
257 |
> |
else if (formatval(fmt, s)) |
258 |
|
wrongformat = strcmp(fmt, COLRFMT); |
259 |
< |
} else if (isview(s) && sscanview(&ourview, s) > 0) |
259 |
> |
else if (isview(s) && sscanview(&ourview, s) > 0) |
260 |
|
gotview++; |
261 |
+ |
return(0); |
262 |
|
} |
263 |
|
|
264 |
|
|
414 |
|
return(-1); |
415 |
|
if (v1->depth == 32 && v2->depth == 24) |
416 |
|
return(1); |
417 |
< |
return(0); |
417 |
> |
/* go for maximum depth otherwise */ |
418 |
> |
return(v2->depth - v1->depth); |
419 |
|
} |
420 |
|
/* don't be too greedy */ |
421 |
|
if (maxcolors <= 1<<v1->depth && maxcolors <= 1<<v2->depth) |
422 |
|
return(v1->depth - v2->depth); |
423 |
|
return(v2->depth - v1->depth); |
424 |
|
} |
425 |
< |
/* prefer Pseudo when < 24-bit */ |
425 |
> |
/* prefer Pseudo when < 15-bit */ |
426 |
|
if ((v1->class == TrueColor || v1->class == DirectColor) && |
427 |
< |
v1->depth < 24) |
427 |
> |
v1->depth < 15) |
428 |
|
bad1 = 1; |
429 |
|
if ((v2->class == TrueColor || v2->class == DirectColor) && |
430 |
< |
v2->depth < 24) |
430 |
> |
v2->depth < 15) |
431 |
|
bad2 = -1; |
432 |
|
if (bad1 | bad2) |
433 |
|
return(bad1+bad2); |
494 |
|
if (viscmp(&xvi[i],&ourvis) > 0) |
495 |
|
quiterr("inadequate visuals on this screen"); |
496 |
|
/* OK, we'll use it */ |
497 |
< |
copystruct(&ourvis, &xvi[i]); |
497 |
> |
ourvis = xvi[i]; |
498 |
|
#ifdef DEBUG |
499 |
|
fprintf(stderr, "Selected visual type %s, depth %d\n", |
500 |
|
vistype[ourvis.class], ourvis.depth); |
538 |
|
goto fail; |
539 |
|
getmono(); |
540 |
|
} else if (ourvis.class == TrueColor | ourvis.class == DirectColor) { |
541 |
< |
ourdata = (unsigned char *)malloc(sizeof(int4)*xmax*ymax); |
541 |
> |
int datsiz = ourvis.depth>16 ? sizeof(int32) : sizeof(int16); |
542 |
> |
ourdata = (unsigned char *)malloc(datsiz*xmax*ymax); |
543 |
|
if (ourdata == NULL) |
544 |
|
goto fail; |
545 |
< |
ourras = make_raster(thedisplay, &ourvis, sizeof(int4)*8, |
546 |
< |
ourdata, xmax, ymax, 32); |
545 |
> |
ourras = make_raster(thedisplay, &ourvis, datsiz*8, |
546 |
> |
ourdata, xmax, ymax, datsiz*8); |
547 |
|
if (ourras == NULL) |
548 |
|
goto fail; |
549 |
|
getfull(); |
555 |
|
xmax, ymax, 8); |
556 |
|
if (ourras == NULL) |
557 |
|
goto fail; |
558 |
< |
if (greyscale | ourvis.class == StaticGray) |
558 |
> |
if (greyscale) |
559 |
|
getgrey(); |
560 |
|
else |
561 |
|
getmapped(); |
601 |
|
case ButtonPress: |
602 |
|
if (xev.xbutton.state & (ShiftMask|ControlMask)) |
603 |
|
moveimage(&xev.xbutton); |
584 |
– |
else if (xev.xbutton.button == Button2) |
585 |
– |
traceray(xev.xbutton.x, xev.xbutton.y); |
604 |
|
else |
605 |
< |
getbox(&xev.xbutton); |
605 |
> |
switch (xev.xbutton.button) { |
606 |
> |
case Button1: |
607 |
> |
getbox(&xev.xbutton); |
608 |
> |
break; |
609 |
> |
case Button2: |
610 |
> |
traceray(xev.xbutton.x, xev.xbutton.y); |
611 |
> |
break; |
612 |
> |
case Button3: |
613 |
> |
trackrays(&xev.xbutton); |
614 |
> |
break; |
615 |
> |
} |
616 |
|
break; |
617 |
|
case ClientMessage: |
618 |
|
if ((xev.xclient.message_type == wmProtocolsAtom) && |
623 |
|
} |
624 |
|
|
625 |
|
|
626 |
< |
traceray(xpos, ypos) /* print ray corresponding to pixel */ |
626 |
> |
traceray(xpos, ypos) /* print requested pixel data */ |
627 |
|
int xpos, ypos; |
628 |
|
{ |
629 |
< |
FLOAT hv[2]; |
629 |
> |
RREAL hv[2]; |
630 |
|
FVECT rorg, rdir; |
631 |
+ |
COLOR cval; |
632 |
+ |
register char *cp; |
633 |
|
|
634 |
< |
if (!gotview) { /* no view, no can do */ |
635 |
< |
XBell(thedisplay, 0); |
636 |
< |
return(-1); |
637 |
< |
} |
634 |
> |
bbox.xmin = xpos; bbox.xsiz = 1; |
635 |
> |
bbox.ymin = ypos; bbox.ysiz = 1; |
636 |
> |
avgbox(cval); |
637 |
> |
scalecolor(cval, 1./exposure); |
638 |
|
pix2loc(hv, &inpres, xpos-xoff, ypos-yoff); |
639 |
< |
if (viewray(rorg, rdir, &ourview, hv[0], hv[1]) < 0) |
640 |
< |
return(-1); |
641 |
< |
printf("%e %e %e ", rorg[0], rorg[1], rorg[2]); |
642 |
< |
printf("%e %e %e\n", rdir[0], rdir[1], rdir[2]); |
639 |
> |
if (!gotview || viewray(rorg, rdir, &ourview, hv[0], hv[1]) < 0) |
640 |
> |
rorg[0] = rorg[1] = rorg[2] = |
641 |
> |
rdir[0] = rdir[1] = rdir[2] = 0.; |
642 |
> |
|
643 |
> |
for (cp = tout; *cp; cp++) /* print what they asked for */ |
644 |
> |
switch (*cp) { |
645 |
> |
case 'o': /* origin */ |
646 |
> |
printf("%e %e %e ", rorg[0], rorg[1], rorg[2]); |
647 |
> |
break; |
648 |
> |
case 'd': /* direction */ |
649 |
> |
printf("%e %e %e ", rdir[0], rdir[1], rdir[2]); |
650 |
> |
break; |
651 |
> |
case 'v': /* radiance value */ |
652 |
> |
printf("%e %e %e ", colval(cval,RED), |
653 |
> |
colval(cval,GRN), colval(cval,BLU)); |
654 |
> |
break; |
655 |
> |
case 'l': /* luminance */ |
656 |
> |
printf("%e ", luminance(cval)); |
657 |
> |
break; |
658 |
> |
case 'p': /* pixel position */ |
659 |
> |
printf("%d %d ", (int)(hv[0]*inpres.xr), |
660 |
> |
(int)(hv[1]*inpres.yr)); |
661 |
> |
break; |
662 |
> |
} |
663 |
> |
putchar('\n'); |
664 |
|
fflush(stdout); |
665 |
|
return(0); |
666 |
|
} |
674 |
|
XColor cvx; |
675 |
|
int com, n; |
676 |
|
double comp; |
677 |
< |
FLOAT hv[2]; |
677 |
> |
RREAL hv[2]; |
678 |
|
|
679 |
|
n = XLookupString(ekey, buf, sizeof(buf), NULL, NULL); |
680 |
|
if (n == 0) |
689 |
|
case '\r': |
690 |
|
case 'l': |
691 |
|
case 'c': /* value */ |
692 |
< |
if (avgbox(cval) == -1) |
692 |
> |
if (!avgbox(cval)) |
693 |
|
return(-1); |
694 |
|
switch (com) { |
695 |
|
case '\n': |
697 |
|
sprintf(buf, "%.3f", intens(cval)/exposure); |
698 |
|
break; |
699 |
|
case 'l': /* luminance */ |
700 |
< |
sprintf(buf, "%.0fL", luminance(cval)/exposure); |
700 |
> |
sprintf(buf, "%.1fL", luminance(cval)/exposure); |
701 |
|
break; |
702 |
|
case 'c': /* color */ |
703 |
|
comp = pow(2.0, (double)scale); |
708 |
|
break; |
709 |
|
} |
710 |
|
XDrawImageString(thedisplay, wind, ourgc, |
711 |
< |
box.xmin, box.ymin+box.ysiz, buf, strlen(buf)); |
711 |
> |
bbox.xmin, bbox.ymin+bbox.ysiz, buf, strlen(buf)); |
712 |
|
return(0); |
713 |
|
case 'i': /* identify (contour) */ |
714 |
|
if (ourras->pixels == NULL) |
731 |
|
return(0); |
732 |
|
case 't': /* trace */ |
733 |
|
return(traceray(ekey->x, ekey->y)); |
734 |
+ |
case 'a': /* auto exposure */ |
735 |
+ |
if (fname == NULL) |
736 |
+ |
return(-1); |
737 |
+ |
tmflags = TM_F_CAMERA; |
738 |
+ |
strcpy(buf, "auto exposure..."); |
739 |
+ |
goto remap; |
740 |
+ |
case 'h': /* human response */ |
741 |
+ |
if (fname == NULL) |
742 |
+ |
return(-1); |
743 |
+ |
tmflags = TM_F_HUMAN; |
744 |
+ |
strcpy(buf, "human exposure..."); |
745 |
+ |
goto remap; |
746 |
|
case '=': /* adjust exposure */ |
747 |
|
case '@': /* adaptation level */ |
748 |
< |
if (avgbox(cval) == -1) |
748 |
> |
if (!avgbox(cval)) |
749 |
|
return(-1); |
750 |
|
comp = bright(cval); |
751 |
|
if (comp < 1e-20) { |
759 |
|
comp = .5/comp; |
760 |
|
comp = log(comp)/.69315 - scale; |
761 |
|
n = comp < 0 ? comp-.5 : comp+.5 ; /* round */ |
762 |
< |
if (n == 0) |
763 |
< |
return(0); |
764 |
< |
scale_rcolors(ourras, pow(2.0, (double)n)); |
762 |
> |
if (tmflags != TM_F_LINEAR) |
763 |
> |
tmflags = TM_F_LINEAR; /* turn off tone mapping */ |
764 |
> |
else { |
765 |
> |
if (n == 0) /* else check if any change */ |
766 |
> |
return(0); |
767 |
> |
scale_rcolors(ourras, pow(2.0, (double)n)); |
768 |
> |
} |
769 |
|
scale += n; |
770 |
|
sprintf(buf, "%+d", scale); |
771 |
+ |
remap: |
772 |
|
XDrawImageString(thedisplay, wind, ourgc, |
773 |
< |
box.xmin, box.ymin+box.ysiz, buf, strlen(buf)); |
773 |
> |
bbox.xmin, bbox.ymin+bbox.ysiz, buf, strlen(buf)); |
774 |
|
XFlush(thedisplay); |
775 |
< |
free(ourdata); |
775 |
> |
/* free(ourdata); This is done in XDestroyImage()! */ |
776 |
|
free_raster(ourras); |
777 |
|
getras(); |
778 |
|
/* fall through */ |
801 |
|
redraw(0, 0, width, height); |
802 |
|
return(0); |
803 |
|
case ' ': /* clear */ |
804 |
< |
redraw(box.xmin, box.ymin, box.xsiz, box.ysiz); |
804 |
> |
redraw(bbox.xmin, bbox.ymin, bbox.xsiz, bbox.ysiz); |
805 |
|
return(0); |
806 |
|
default: |
807 |
|
XBell(thedisplay, 0); |
835 |
|
} |
836 |
|
|
837 |
|
|
838 |
< |
getbox(ebut) /* get new box */ |
838 |
> |
getbox(ebut) /* get new bbox */ |
839 |
|
XButtonPressedEvent *ebut; |
840 |
|
{ |
841 |
|
XEvent e; |
842 |
|
|
843 |
|
XMaskEvent(thedisplay, ButtonReleaseMask|ButtonMotionMask, &e); |
844 |
|
while (e.type == MotionNotify) { |
845 |
< |
revbox(ebut->x, ebut->y, box.xmin = e.xmotion.x, box.ymin = e.xmotion.y); |
845 |
> |
revbox(ebut->x, ebut->y, bbox.xmin = e.xmotion.x, bbox.ymin = e.xmotion.y); |
846 |
|
XMaskEvent(thedisplay,ButtonReleaseMask|ButtonMotionMask,&e); |
847 |
< |
revbox(ebut->x, ebut->y, box.xmin, box.ymin); |
847 |
> |
revbox(ebut->x, ebut->y, bbox.xmin, bbox.ymin); |
848 |
|
} |
849 |
< |
box.xmin = e.xbutton.x<0 ? 0 : (e.xbutton.x>=width ? width-1 : e.xbutton.x); |
850 |
< |
box.ymin = e.xbutton.y<0 ? 0 : (e.xbutton.y>=height ? height-1 : e.xbutton.y); |
851 |
< |
if (box.xmin > ebut->x) { |
852 |
< |
box.xsiz = box.xmin - ebut->x + 1; |
853 |
< |
box.xmin = ebut->x; |
849 |
> |
bbox.xmin = e.xbutton.x<0 ? 0 : (e.xbutton.x>=width ? width-1 : e.xbutton.x); |
850 |
> |
bbox.ymin = e.xbutton.y<0 ? 0 : (e.xbutton.y>=height ? height-1 : e.xbutton.y); |
851 |
> |
if (bbox.xmin > ebut->x) { |
852 |
> |
bbox.xsiz = bbox.xmin - ebut->x + 1; |
853 |
> |
bbox.xmin = ebut->x; |
854 |
|
} else { |
855 |
< |
box.xsiz = ebut->x - box.xmin + 1; |
855 |
> |
bbox.xsiz = ebut->x - bbox.xmin + 1; |
856 |
|
} |
857 |
< |
if (box.ymin > ebut->y) { |
858 |
< |
box.ysiz = box.ymin - ebut->y + 1; |
859 |
< |
box.ymin = ebut->y; |
857 |
> |
if (bbox.ymin > ebut->y) { |
858 |
> |
bbox.ysiz = bbox.ymin - ebut->y + 1; |
859 |
> |
bbox.ymin = ebut->y; |
860 |
|
} else { |
861 |
< |
box.ysiz = ebut->y - box.ymin + 1; |
861 |
> |
bbox.ysiz = ebut->y - bbox.ymin + 1; |
862 |
|
} |
863 |
|
} |
864 |
|
|
865 |
|
|
866 |
< |
revbox(x0, y0, x1, y1) /* draw box with reversed lines */ |
866 |
> |
trackrays(ebut) /* trace rays as mouse moves */ |
867 |
> |
XButtonPressedEvent *ebut; |
868 |
> |
{ |
869 |
> |
XEvent e; |
870 |
> |
unsigned long lastrept; |
871 |
> |
|
872 |
> |
traceray(ebut->x, ebut->y); |
873 |
> |
lastrept = ebut->time; |
874 |
> |
XMaskEvent(thedisplay, ButtonReleaseMask|ButtonMotionMask, &e); |
875 |
> |
while (e.type == MotionNotify) { |
876 |
> |
if (e.xmotion.time >= lastrept + tinterv) { |
877 |
> |
traceray(e.xmotion.x, e.xmotion.y); |
878 |
> |
lastrept = e.xmotion.time; |
879 |
> |
} |
880 |
> |
XMaskEvent(thedisplay,ButtonReleaseMask|ButtonMotionMask,&e); |
881 |
> |
} |
882 |
> |
} |
883 |
> |
|
884 |
> |
|
885 |
> |
revbox(x0, y0, x1, y1) /* draw bbox with reversed lines */ |
886 |
|
int x0, y0, x1, y1; |
887 |
|
{ |
888 |
|
revline(x0, y0, x1, y0); |
892 |
|
} |
893 |
|
|
894 |
|
|
895 |
< |
avgbox(clr) /* average color over current box */ |
896 |
< |
COLOR clr; |
895 |
> |
void |
896 |
> |
colavg(scn, n, cavg) |
897 |
> |
register COLR *scn; |
898 |
> |
register int n; |
899 |
> |
COLOR cavg; |
900 |
|
{ |
901 |
< |
static COLOR lc; |
902 |
< |
static int ll, lr, lt, lb; |
901 |
> |
COLOR col; |
902 |
> |
|
903 |
> |
while (n--) { |
904 |
> |
colr_color(col, *scn++); |
905 |
> |
addcolor(cavg, col); |
906 |
> |
} |
907 |
> |
} |
908 |
> |
|
909 |
> |
|
910 |
> |
int |
911 |
> |
avgbox(cavg) /* average color over current bbox */ |
912 |
> |
COLOR cavg; |
913 |
> |
{ |
914 |
> |
double d; |
915 |
> |
register int rval; |
916 |
> |
|
917 |
> |
setcolor(cavg, 0., 0., 0.); |
918 |
> |
rval = dobox(colavg, (char *)cavg); |
919 |
> |
if (rval > 0) { |
920 |
> |
d = 1./rval; |
921 |
> |
scalecolor(cavg, d); |
922 |
> |
} |
923 |
> |
return(rval); |
924 |
> |
} |
925 |
> |
|
926 |
> |
|
927 |
> |
int |
928 |
> |
dobox(f, p) /* run function over bbox */ |
929 |
> |
void (*f)(); /* function to call for each subscan */ |
930 |
> |
char *p; /* pointer to private data */ |
931 |
> |
{ |
932 |
|
int left, right, top, bottom; |
933 |
|
int y; |
815 |
– |
double d; |
816 |
– |
COLOR ctmp; |
817 |
– |
register int x; |
934 |
|
|
935 |
< |
setcolor(clr, 0.0, 0.0, 0.0); |
936 |
< |
left = box.xmin - xoff; |
821 |
< |
right = left + box.xsiz; |
935 |
> |
left = bbox.xmin - xoff; |
936 |
> |
right = left + bbox.xsiz; |
937 |
|
if (left < 0) |
938 |
|
left = 0; |
939 |
|
if (right > xmax) |
940 |
|
right = xmax; |
941 |
|
if (left >= right) |
942 |
< |
return(-1); |
943 |
< |
top = box.ymin - yoff; |
944 |
< |
bottom = top + box.ysiz; |
942 |
> |
return(0); |
943 |
> |
top = bbox.ymin - yoff; |
944 |
> |
bottom = top + bbox.ysiz; |
945 |
|
if (top < 0) |
946 |
|
top = 0; |
947 |
|
if (bottom > ymax) |
948 |
|
bottom = ymax; |
949 |
|
if (top >= bottom) |
835 |
– |
return(-1); |
836 |
– |
if (left == ll && right == lr && top == lt && bottom == lb) { |
837 |
– |
copycolor(clr, lc); |
950 |
|
return(0); |
839 |
– |
} |
951 |
|
for (y = top; y < bottom; y++) { |
952 |
|
if (getscan(y) == -1) |
953 |
|
return(-1); |
954 |
< |
for (x = left; x < right; x++) { |
955 |
< |
colr_color(ctmp, scanline[x]); |
956 |
< |
addcolor(clr, ctmp); |
954 |
> |
(*f)(scanline+left, right-left, p); |
955 |
> |
} |
956 |
> |
return((right-left)*(bottom-top)); |
957 |
> |
} |
958 |
> |
|
959 |
> |
|
960 |
> |
void |
961 |
> |
addfix(scn, n) /* add fixation points to histogram */ |
962 |
> |
COLR *scn; |
963 |
> |
int n; |
964 |
> |
{ |
965 |
> |
if (tmCvColrs(lscan, TM_NOCHROM, scn, n)) |
966 |
> |
goto tmerr; |
967 |
> |
if (tmAddHisto(lscan, n, FIXWEIGHT)) |
968 |
> |
goto tmerr; |
969 |
> |
return; |
970 |
> |
tmerr: |
971 |
> |
quiterr("tone mapping error"); |
972 |
> |
} |
973 |
> |
|
974 |
> |
|
975 |
> |
make_tonemap() /* initialize tone mapping */ |
976 |
> |
{ |
977 |
> |
int flags, y; |
978 |
> |
|
979 |
> |
if (tmflags != TM_F_LINEAR && fname == NULL) { |
980 |
> |
fprintf(stderr, "%s: cannot adjust tone of standard input\n", |
981 |
> |
progname); |
982 |
> |
tmflags = TM_F_LINEAR; |
983 |
> |
} |
984 |
> |
if (tmflags == TM_F_LINEAR) { /* linear with clamping */ |
985 |
> |
setcolrcor(pow, 1.0/gamcor); |
986 |
> |
return; |
987 |
> |
} |
988 |
> |
flags = tmflags; /* histogram adjustment */ |
989 |
> |
if (greyscale) flags |= TM_F_BW; |
990 |
> |
if (tmTop != NULL) { /* reuse old histogram if one */ |
991 |
> |
tmDone(tmTop); |
992 |
> |
tmTop->flags = flags; |
993 |
> |
} else { /* else initialize */ |
994 |
> |
if ((lscan = (TMbright *)malloc(xmax*sizeof(TMbright))) == NULL) |
995 |
> |
goto memerr; |
996 |
> |
if (greyscale) { |
997 |
> |
cscan = TM_NOCHROM; |
998 |
> |
if ((pscan = (BYTE *)malloc(sizeof(BYTE)*xmax)) == NULL) |
999 |
> |
goto memerr; |
1000 |
> |
} else if ((pscan=cscan = (BYTE *)malloc(3*sizeof(BYTE)*xmax)) |
1001 |
> |
== NULL) |
1002 |
> |
goto memerr; |
1003 |
> |
/* initialize tm library */ |
1004 |
> |
if (tmInit(flags, stdprims, gamcor) == NULL) |
1005 |
> |
goto memerr; |
1006 |
> |
if (tmSetSpace(stdprims, WHTEFFICACY/exposure)) |
1007 |
> |
goto tmerr; |
1008 |
> |
/* compute picture histogram */ |
1009 |
> |
for (y = 0; y < ymax; y++) { |
1010 |
> |
getscan(y); |
1011 |
> |
if (tmCvColrs(lscan, TM_NOCHROM, scanline, xmax)) |
1012 |
> |
goto tmerr; |
1013 |
> |
if (tmAddHisto(lscan, xmax, 1)) |
1014 |
> |
goto tmerr; |
1015 |
|
} |
1016 |
|
} |
1017 |
< |
d = 1.0/((right-left)*(bottom-top)); |
1018 |
< |
scalecolor(clr, d); |
1019 |
< |
ll = left; lr = right; lt = top; lb = bottom; |
1020 |
< |
copycolor(lc, clr); |
1021 |
< |
return(0); |
1017 |
> |
tmDup(); /* add fixations to duplicate map */ |
1018 |
> |
dobox(addfix, NULL); |
1019 |
> |
/* (re)compute tone mapping */ |
1020 |
> |
if (tmComputeMapping(gamcor, 0., 0.)) |
1021 |
> |
goto tmerr; |
1022 |
> |
return; |
1023 |
> |
memerr: |
1024 |
> |
quiterr("out of memory in make_tonemap"); |
1025 |
> |
tmerr: |
1026 |
> |
quiterr("tone mapping error"); |
1027 |
|
} |
1028 |
|
|
1029 |
|
|
1030 |
+ |
tmap_colrs(scn, len) /* apply tone mapping to scanline */ |
1031 |
+ |
register COLR *scn; |
1032 |
+ |
int len; |
1033 |
+ |
{ |
1034 |
+ |
register BYTE *ps; |
1035 |
+ |
|
1036 |
+ |
if (tmflags == TM_F_LINEAR) { |
1037 |
+ |
if (scale) |
1038 |
+ |
shiftcolrs(scn, len, scale); |
1039 |
+ |
colrs_gambs(scn, len); |
1040 |
+ |
return; |
1041 |
+ |
} |
1042 |
+ |
if (len > xmax) |
1043 |
+ |
quiterr("code error 1 in tmap_colrs"); |
1044 |
+ |
if (tmCvColrs(lscan, cscan, scn, len)) |
1045 |
+ |
goto tmerr; |
1046 |
+ |
if (tmMapPixels(pscan, lscan, cscan, len)) |
1047 |
+ |
goto tmerr; |
1048 |
+ |
ps = pscan; |
1049 |
+ |
if (greyscale) |
1050 |
+ |
while (len--) { |
1051 |
+ |
scn[0][RED] = scn[0][GRN] = scn[0][BLU] = *ps++; |
1052 |
+ |
scn[0][EXP] = COLXS; |
1053 |
+ |
scn++; |
1054 |
+ |
} |
1055 |
+ |
else |
1056 |
+ |
while (len--) { |
1057 |
+ |
scn[0][RED] = *ps++; |
1058 |
+ |
scn[0][GRN] = *ps++; |
1059 |
+ |
scn[0][BLU] = *ps++; |
1060 |
+ |
scn[0][EXP] = COLXS; |
1061 |
+ |
scn++; |
1062 |
+ |
} |
1063 |
+ |
return; |
1064 |
+ |
tmerr: |
1065 |
+ |
quiterr("tone mapping error"); |
1066 |
+ |
} |
1067 |
+ |
|
1068 |
+ |
|
1069 |
|
getmono() /* get monochrome data */ |
1070 |
|
{ |
1071 |
|
register unsigned char *dp; |
1094 |
|
cerr[x] = err + errp; |
1095 |
|
} |
1096 |
|
} |
1097 |
< |
free((char *)cerr); |
1097 |
> |
free((void *)cerr); |
1098 |
|
} |
1099 |
|
|
1100 |
|
|
1137 |
|
errp = err; |
1138 |
|
ti = x*xmax/iconwidth; |
1139 |
|
copycolr(clr, scan[ti]); |
1140 |
< |
normcolrs(clr, 1, scale); |
1140 |
> |
normcolrs(&clr, 1, scale); |
1141 |
|
err += normbright(clr) + cerr[x]; |
1142 |
|
if (err > 127) |
1143 |
|
err -= 255; |
1153 |
|
getfull() /* get full (24-bit) data */ |
1154 |
|
{ |
1155 |
|
int y; |
1156 |
< |
register unsigned int4 *dp; |
1156 |
> |
register uint32 *dp; |
1157 |
> |
register uint16 *dph; |
1158 |
|
register int x; |
1159 |
< |
/* set gamma correction */ |
1160 |
< |
setcolrgam(gamcor); |
1159 |
> |
/* initialize tone mapping */ |
1160 |
> |
make_tonemap(); |
1161 |
|
/* read and convert file */ |
1162 |
< |
dp = (unsigned int4 *)ourdata; |
1162 |
> |
dp = (uint32 *)ourdata; |
1163 |
> |
dph = (uint16 *)ourdata; |
1164 |
|
for (y = 0; y < ymax; y++) { |
1165 |
|
getscan(y); |
1166 |
|
add2icon(y, scanline); |
1167 |
< |
if (scale) |
1168 |
< |
shiftcolrs(scanline, xmax, scale); |
1169 |
< |
colrs_gambs(scanline, xmax); |
955 |
< |
if (ourras->image->blue_mask & 1) |
1167 |
> |
tmap_colrs(scanline, xmax); |
1168 |
> |
switch (ourras->image->blue_mask) { |
1169 |
> |
case 0xff: /* 24-bit RGB */ |
1170 |
|
for (x = 0; x < xmax; x++) |
1171 |
< |
*dp++ = (unsigned int4)scanline[x][RED] << 16 | |
1172 |
< |
(unsigned int4)scanline[x][GRN] << 8 | |
1173 |
< |
(unsigned int4)scanline[x][BLU] ; |
1174 |
< |
else |
1171 |
> |
*dp++ = (uint32)scanline[x][RED] << 16 | |
1172 |
> |
(uint32)scanline[x][GRN] << 8 | |
1173 |
> |
(uint32)scanline[x][BLU] ; |
1174 |
> |
break; |
1175 |
> |
case 0xff0000: /* 24-bit BGR */ |
1176 |
|
for (x = 0; x < xmax; x++) |
1177 |
< |
*dp++ = (unsigned int4)scanline[x][RED] | |
1178 |
< |
(unsigned int4)scanline[x][GRN] << 8 | |
1179 |
< |
(unsigned int4)scanline[x][BLU] << 16 ; |
1177 |
> |
*dp++ = (uint32)scanline[x][RED] | |
1178 |
> |
(uint32)scanline[x][GRN] << 8 | |
1179 |
> |
(uint32)scanline[x][BLU] << 16 ; |
1180 |
> |
break; |
1181 |
> |
#if 0 |
1182 |
> |
case 0x1f: /* 15-bit RGB */ |
1183 |
> |
for (x = 0; x < xmax; x++) |
1184 |
> |
*dph++ = (scanline[x][RED] << 7 & 0x7c00) | |
1185 |
> |
(scanline[x][GRN] << 2 & 0x3e0) | |
1186 |
> |
(unsigned)scanline[x][BLU] >> 3 ; |
1187 |
> |
break; |
1188 |
> |
case 0x7c00: /* 15-bit BGR */ |
1189 |
> |
for (x = 0; x < xmax; x++) |
1190 |
> |
*dph++ = (unsigned)scanline[x][RED] >> 3 | |
1191 |
> |
(scanline[x][GRN] << 2 & 0x3e0) | |
1192 |
> |
(scanline[x][BLU] << 7 & 0x7c00) ; |
1193 |
> |
break; |
1194 |
> |
#endif |
1195 |
> |
default: /* unknown */ |
1196 |
> |
if (ourvis.depth > 16) |
1197 |
> |
for (x = 0; x < xmax; x++) { |
1198 |
> |
*dp = ourras->image->red_mask & |
1199 |
> |
ourras->image->red_mask*scanline[x][RED]/255; |
1200 |
> |
*dp |= ourras->image->green_mask & |
1201 |
> |
ourras->image->green_mask*scanline[x][GRN]/255; |
1202 |
> |
*dp++ |= ourras->image->blue_mask & |
1203 |
> |
ourras->image->blue_mask*scanline[x][BLU]/255; |
1204 |
> |
} |
1205 |
> |
else |
1206 |
> |
for (x = 0; x < xmax; x++) { |
1207 |
> |
*dph = ourras->image->red_mask & |
1208 |
> |
ourras->image->red_mask*scanline[x][RED]/255; |
1209 |
> |
*dph |= ourras->image->green_mask & |
1210 |
> |
ourras->image->green_mask*scanline[x][GRN]/255; |
1211 |
> |
*dph++ |= ourras->image->blue_mask & |
1212 |
> |
ourras->image->blue_mask*scanline[x][BLU]/255; |
1213 |
> |
} |
1214 |
> |
break; |
1215 |
> |
} |
1216 |
|
} |
1217 |
|
} |
1218 |
|
|
1222 |
|
int y; |
1223 |
|
register unsigned char *dp; |
1224 |
|
register int x; |
1225 |
< |
/* set gamma correction */ |
1226 |
< |
setcolrgam(gamcor); |
1225 |
> |
/* initialize tone mapping */ |
1226 |
> |
make_tonemap(); |
1227 |
|
/* read and convert file */ |
1228 |
|
dp = ourdata; |
1229 |
|
for (y = 0; y < ymax; y++) { |
1230 |
|
getscan(y); |
1231 |
|
add2icon(y, scanline); |
1232 |
< |
if (scale) |
982 |
< |
shiftcolrs(scanline, xmax, scale); |
983 |
< |
for (x = 0; x < xmax; x++) |
984 |
< |
scanline[x][GRN] = normbright(scanline[x]); |
985 |
< |
colrs_gambs(scanline, xmax); |
1232 |
> |
tmap_colrs(scanline, xmax); |
1233 |
|
if (maxcolors < 256) |
1234 |
|
for (x = 0; x < xmax; x++) |
1235 |
< |
*dp++ = ((long)scanline[x][GRN] * |
1235 |
> |
*dp++ = ((int32)scanline[x][GRN] * |
1236 |
|
maxcolors + maxcolors/2) >> 8; |
1237 |
|
else |
1238 |
|
for (x = 0; x < xmax; x++) |
1240 |
|
} |
1241 |
|
for (x = 0; x < maxcolors; x++) |
1242 |
|
clrtab[x][RED] = clrtab[x][GRN] = |
1243 |
< |
clrtab[x][BLU] = ((long)x*256 + 128)/maxcolors; |
1243 |
> |
clrtab[x][BLU] = ((int32)x*256 + 128)/maxcolors; |
1244 |
|
} |
1245 |
|
|
1246 |
|
|
1250 |
|
/* make sure we can do it first */ |
1251 |
|
if (fname == NULL) |
1252 |
|
quiterr("cannot map colors from standard input"); |
1253 |
< |
/* set gamma correction */ |
1254 |
< |
setcolrgam(gamcor); |
1253 |
> |
/* initialize tone mapping */ |
1254 |
> |
make_tonemap(); |
1255 |
|
/* make histogram */ |
1256 |
< |
if (new_histo((long)xmax*ymax) == -1) |
1256 |
> |
if (new_histo((int32)xmax*ymax) == -1) |
1257 |
|
quiterr("cannot initialize histogram"); |
1258 |
|
for (y = 0; y < ymax; y++) { |
1259 |
|
if (getscan(y) < 0) |
1260 |
|
break; |
1261 |
|
add2icon(y, scanline); |
1262 |
< |
if (scale) |
1016 |
< |
shiftcolrs(scanline, xmax, scale); |
1017 |
< |
colrs_gambs(scanline, xmax); |
1262 |
> |
tmap_colrs(scanline, xmax); |
1263 |
|
cnt_colrs(scanline, xmax); |
1264 |
|
} |
1265 |
|
/* map pixels */ |
1267 |
|
quiterr("cannot create color map"); |
1268 |
|
for (y = 0; y < ymax; y++) { |
1269 |
|
getscan(y); |
1270 |
< |
if (scale) |
1026 |
< |
shiftcolrs(scanline, xmax, scale); |
1027 |
< |
colrs_gambs(scanline, xmax); |
1270 |
> |
tmap_colrs(scanline, xmax); |
1271 |
|
if (dither) |
1272 |
|
dith_colrs(ourdata+y*xmax, scanline, xmax); |
1273 |
|
else |
1310 |
|
static int trunced = -1; /* truncated file? */ |
1311 |
|
skipit: |
1312 |
|
if (trunced >= 0 && y >= trunced) { |
1313 |
< |
bzero(scanline, xmax*sizeof(COLR)); |
1313 |
> |
memset(scanline, '\0', xmax*sizeof(COLR)); |
1314 |
|
return(-1); |
1315 |
|
} |
1316 |
|
if (y != cury) { |