| 1 |
< |
/* Copyright (c) 1993 Regents of the University of California */ |
| 1 |
> |
/* Copyright (c) 1998 Silicon Graphics, Inc. */ |
| 2 |
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|
| 3 |
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#ifndef lint |
| 4 |
< |
static char SCCSid[] = "$SunId$ LBL"; |
| 4 |
> |
static char SCCSid[] = "$SunId$ SGI"; |
| 5 |
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#endif |
| 6 |
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|
| 7 |
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/* |
| 27 |
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#include <X11/Xutil.h> |
| 28 |
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#include <X11/Xatom.h> |
| 29 |
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|
| 30 |
+ |
#undef NOPROTO |
| 31 |
+ |
#define NOPROTO 1 |
| 32 |
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#include "color.h" |
| 33 |
+ |
#include "tonemap.h" |
| 34 |
|
#include "view.h" |
| 35 |
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#include "x11raster.h" |
| 36 |
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#include "random.h" |
| 37 |
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#include "resolu.h" |
| 38 |
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|
| 36 |
– |
#ifdef __alpha |
| 37 |
– |
#define int4 int |
| 38 |
– |
#endif |
| 39 |
– |
#ifndef int4 |
| 40 |
– |
#define int4 long |
| 41 |
– |
#endif |
| 42 |
– |
|
| 39 |
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#define FONTNAME "8x13" /* text font we'll use */ |
| 40 |
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|
| 41 |
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#define CTRL(c) ((c)-'@') |
| 44 |
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|
| 45 |
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#define ICONSIZ (8*10) /* maximum icon dimension (even 8) */ |
| 46 |
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|
| 47 |
+ |
#define FIXWEIGHT 20 /* weight to add for fixation points */ |
| 48 |
+ |
|
| 49 |
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#define ourscreen DefaultScreen(thedisplay) |
| 50 |
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#define ourroot RootWindow(thedisplay,ourscreen) |
| 51 |
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|
| 54 |
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#define redraw(x,y,w,h) patch_raster(wind,(x)-xoff,(y)-yoff,x,y,w,h,ourras) |
| 55 |
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|
| 56 |
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double gamcor = 2.2; /* gamma correction */ |
| 57 |
+ |
char *gamstr = NULL; /* gamma value override */ |
| 58 |
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|
| 59 |
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int dither = 1; /* dither colors? */ |
| 60 |
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int fast = 0; /* keep picture in Pixmap? */ |
| 72 |
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int yoff = 0; /* y image offset */ |
| 73 |
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|
| 74 |
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int parent = 0; /* number of children, -1 if child */ |
| 75 |
+ |
int sequential = 0; /* display images in sequence */ |
| 76 |
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|
| 77 |
+ |
char *tout = "od"; /* output of 't' command */ |
| 78 |
+ |
int tinterv = 0; /* interval between mouse reports */ |
| 79 |
+ |
|
| 80 |
+ |
int tmflags = TM_F_LINEAR; /* tone mapping flags */ |
| 81 |
+ |
|
| 82 |
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VIEW ourview = STDVIEW; /* image view parameters */ |
| 83 |
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int gotview = 0; /* got parameters from file */ |
| 84 |
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|
| 85 |
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COLR *scanline; /* scan line buffer */ |
| 86 |
+ |
TMbright *lscan; /* encoded luminance scanline */ |
| 87 |
+ |
BYTE *cscan; /* encoded chroma scanline */ |
| 88 |
+ |
BYTE *pscan; /* compute pixel scanline */ |
| 89 |
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|
| 90 |
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RESOLU inpres; /* input resolution and ordering */ |
| 91 |
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int xmax, ymax; /* picture dimensions */ |
| 120 |
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|
| 121 |
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char errmsg[128]; |
| 122 |
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|
| 123 |
< |
extern BYTE clrtab[256][3]; /* global color map */ |
| 123 |
> |
BYTE clrtab[256][3]; /* global color map */ |
| 124 |
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|
| 125 |
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extern long ftell(); |
| 126 |
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|
| 127 |
+ |
extern char *getenv(); |
| 128 |
+ |
|
| 129 |
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Display *thedisplay; |
| 130 |
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Atom closedownAtom, wmProtocolsAtom; |
| 131 |
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|
| 132 |
< |
int noop() {} |
| 132 |
> |
int sigrecv; |
| 133 |
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|
| 134 |
+ |
int onsig() { sigrecv++; } |
| 135 |
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|
| 136 |
+ |
|
| 137 |
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main(argc, argv) |
| 138 |
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int argc; |
| 139 |
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char *argv[]; |
| 140 |
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{ |
| 129 |
– |
extern char *getenv(); |
| 130 |
– |
char *gv; |
| 141 |
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int headline(); |
| 142 |
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int i; |
| 143 |
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int pid; |
| 144 |
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|
| 145 |
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progname = argv[0]; |
| 136 |
– |
if ((gv = getenv("GAMMA")) != NULL) |
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– |
gamcor = atof(gv); |
| 146 |
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|
| 147 |
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for (i = 1; i < argc; i++) |
| 148 |
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if (argv[i][0] == '-') |
| 149 |
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switch (argv[i][1]) { |
| 150 |
< |
case 'c': |
| 150 |
> |
case 'c': /* number of colors */ |
| 151 |
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maxcolors = atoi(argv[++i]); |
| 152 |
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break; |
| 153 |
< |
case 'b': |
| 153 |
> |
case 'b': /* greyscale only */ |
| 154 |
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greyscale = !greyscale; |
| 155 |
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break; |
| 156 |
< |
case 'm': |
| 156 |
> |
case 'm': /* monochrome */ |
| 157 |
> |
greyscale = 1; |
| 158 |
|
maxcolors = 2; |
| 159 |
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break; |
| 160 |
< |
case 'd': |
| 160 |
> |
case 'd': /* display or dither */ |
| 161 |
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if (argv[i][2] == 'i') |
| 162 |
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dispname = argv[++i]; |
| 163 |
|
else |
| 164 |
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dither = !dither; |
| 165 |
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break; |
| 166 |
< |
case 'f': |
| 166 |
> |
case 'f': /* save pixmap */ |
| 167 |
|
fast = !fast; |
| 168 |
|
break; |
| 169 |
< |
case 'e': |
| 170 |
< |
if (argv[i+1][0] != '+' && argv[i+1][0] != '-') |
| 169 |
> |
case 's': /* one at a time */ |
| 170 |
> |
sequential = !sequential; |
| 171 |
> |
break; |
| 172 |
> |
case 'o': /* 't' output */ |
| 173 |
> |
tout = argv[i]+2; |
| 174 |
> |
break; |
| 175 |
> |
case 't': /* msec interval */ |
| 176 |
> |
tinterv = atoi(argv[++i]); |
| 177 |
> |
break; |
| 178 |
> |
case 'e': /* exposure comp. */ |
| 179 |
> |
i++; |
| 180 |
> |
if (argv[i][0] == 'a') { |
| 181 |
> |
tmflags = TM_F_CAMERA; |
| 182 |
> |
break; |
| 183 |
> |
} |
| 184 |
> |
if (argv[i][0] == 'h') { |
| 185 |
> |
tmflags = TM_F_HUMAN; |
| 186 |
> |
break; |
| 187 |
> |
} |
| 188 |
> |
if (argv[i][0] != '+' && argv[i][0] != '-') |
| 189 |
|
goto userr; |
| 190 |
< |
scale = atoi(argv[++i]); |
| 190 |
> |
scale = atoi(argv[i]); |
| 191 |
|
break; |
| 192 |
< |
case 'g': |
| 192 |
> |
case 'g': /* gamma comp. */ |
| 193 |
|
if (argv[i][2] == 'e') |
| 194 |
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geometry = argv[++i]; |
| 195 |
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else |
| 196 |
< |
gamcor = atof(argv[++i]); |
| 196 |
> |
gamstr = argv[++i]; |
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|
break; |
| 198 |
|
default: |
| 199 |
|
goto userr; |
| 206 |
|
if (i > argc) |
| 207 |
|
goto userr; |
| 208 |
|
while (i < argc-1) { |
| 209 |
+ |
sigrecv = 0; |
| 210 |
+ |
signal(SIGCONT, onsig); |
| 211 |
|
if ((pid=fork()) == 0) { /* a child for each picture */ |
| 212 |
|
parent = -1; |
| 213 |
|
break; |
| 215 |
|
if (pid < 0) |
| 216 |
|
quiterr("fork failed"); |
| 217 |
|
parent++; |
| 218 |
< |
signal(SIGCONT, noop); |
| 219 |
< |
pause(); /* wait for wake-up call */ |
| 218 |
> |
while (!sigrecv) |
| 219 |
> |
pause(); /* wait for wake-up call */ |
| 220 |
|
i++; |
| 221 |
|
} |
| 222 |
|
if (i < argc) { /* open picture file */ |
| 223 |
|
fname = argv[i]; |
| 224 |
|
fin = fopen(fname, "r"); |
| 225 |
< |
if (fin == NULL) { |
| 226 |
< |
sprintf(errmsg, "cannot open file \"%s\"", fname); |
| 198 |
< |
quiterr(errmsg); |
| 199 |
< |
} |
| 225 |
> |
if (fin == NULL) |
| 226 |
> |
quiterr("cannot open picture file"); |
| 227 |
|
} |
| 228 |
|
/* get header */ |
| 229 |
|
getheader(fin, headline, NULL); |
| 240 |
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|
| 241 |
|
init(argc, argv); /* get file and open window */ |
| 242 |
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|
| 216 |
– |
if (parent < 0) |
| 217 |
– |
kill(getppid(), SIGCONT); /* signal parent if child */ |
| 218 |
– |
|
| 243 |
|
for ( ; ; ) |
| 244 |
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getevent(); /* main loop */ |
| 245 |
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userr: |
| 246 |
|
fprintf(stderr, |
| 247 |
< |
"Usage: %s [-di disp][[-ge] spec][-b][-m][-d][-f][-c nclrs][-e +/-stops] pic ..\n", |
| 247 |
> |
"Usage: %s [-di disp][[-ge] spec][-b][-m][-d][-f][-c nclrs][-e spec][-g gamcor][-s][-ospec][-t intvl] pic ..\n", |
| 248 |
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progname); |
| 249 |
|
exit(1); |
| 250 |
|
} |
| 251 |
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|
| 252 |
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|
| 253 |
+ |
int |
| 254 |
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headline(s) /* get relevant info from header */ |
| 255 |
|
char *s; |
| 256 |
|
{ |
| 258 |
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|
| 259 |
|
if (isexpos(s)) |
| 260 |
|
exposure *= exposval(s); |
| 261 |
< |
else if (isformat(s)) { |
| 237 |
< |
formatval(fmt, s); |
| 261 |
> |
else if (formatval(fmt, s)) |
| 262 |
|
wrongformat = strcmp(fmt, COLRFMT); |
| 263 |
< |
} else if (isview(s) && sscanview(&ourview, s) > 0) |
| 263 |
> |
else if (isview(s) && sscanview(&ourview, s) > 0) |
| 264 |
|
gotview++; |
| 265 |
+ |
return(0); |
| 266 |
|
} |
| 267 |
|
|
| 268 |
|
|
| 295 |
|
name += i+1; |
| 296 |
|
if ((thedisplay = XOpenDisplay(dispname)) == NULL) |
| 297 |
|
quiterr("cannot open display"); |
| 298 |
+ |
/* set gamma value */ |
| 299 |
+ |
if (gamstr == NULL) /* get it from the X server */ |
| 300 |
+ |
gamstr = XGetDefault(thedisplay, "radiance", "gamma"); |
| 301 |
+ |
if (gamstr == NULL) /* get it from the environment */ |
| 302 |
+ |
gamstr = getenv("DISPLAY_GAMMA"); |
| 303 |
+ |
if (gamstr != NULL) |
| 304 |
+ |
gamcor = atof(gamstr); |
| 305 |
|
/* get best visual for default screen */ |
| 306 |
|
getbestvis(); |
| 307 |
|
/* store image */ |
| 328 |
|
} |
| 329 |
|
} |
| 330 |
|
/* open window */ |
| 331 |
+ |
i = CWEventMask|CWCursor|CWBackPixel|CWBorderPixel; |
| 332 |
|
ourwinattr.border_pixel = ourwhite; |
| 333 |
|
ourwinattr.background_pixel = ourblack; |
| 334 |
< |
ourwinattr.colormap = XCreateColormap(thedisplay, ourroot, |
| 335 |
< |
ourvis.visual, AllocNone); |
| 334 |
> |
if (ourvis.visual != DefaultVisual(thedisplay,ourscreen)) { |
| 335 |
> |
ourwinattr.colormap = newcmap(thedisplay, ourscreen, ourvis.visual); |
| 336 |
> |
i |= CWColormap; |
| 337 |
> |
} |
| 338 |
|
ourwinattr.event_mask = ExposureMask|KeyPressMask|ButtonPressMask| |
| 339 |
|
ButtonReleaseMask|ButtonMotionMask|StructureNotifyMask; |
| 340 |
|
ourwinattr.cursor = XCreateFontCursor(thedisplay, XC_diamond_cross); |
| 341 |
|
wind = XCreateWindow(thedisplay, ourroot, xszhints.x, xszhints.y, |
| 342 |
|
xszhints.width, xszhints.height, BORWIDTH, |
| 343 |
< |
ourvis.depth, InputOutput, ourvis.visual, CWEventMask| |
| 344 |
< |
CWCursor|CWBackPixel|CWBorderPixel|CWColormap, &ourwinattr); |
| 343 |
> |
ourvis.depth, InputOutput, ourvis.visual, |
| 344 |
> |
i, &ourwinattr); |
| 345 |
|
if (wind == 0) |
| 346 |
|
quiterr("cannot create window"); |
| 347 |
|
width = xmax; |
| 348 |
|
height = ymax; |
| 349 |
< |
xgcv.foreground = ourblack; |
| 315 |
< |
xgcv.background = ourwhite; |
| 349 |
> |
/* prepare graphics drawing context */ |
| 350 |
|
if ((xgcv.font = XLoadFont(thedisplay, FONTNAME)) == 0) |
| 351 |
|
quiterr("cannot get font"); |
| 352 |
+ |
xgcv.foreground = ourblack; |
| 353 |
+ |
xgcv.background = ourwhite; |
| 354 |
|
ourgc = XCreateGC(thedisplay, wind, GCForeground|GCBackground| |
| 355 |
|
GCFont, &xgcv); |
| 356 |
|
xgcv.function = GXinvert; |
| 379 |
|
XSetWMProtocols(thedisplay, wind, &closedownAtom, 1); |
| 380 |
|
|
| 381 |
|
XMapWindow(thedisplay, wind); |
| 346 |
– |
return; |
| 382 |
|
} /* end of init */ |
| 383 |
|
|
| 384 |
|
|
| 385 |
|
quiterr(err) /* print message and exit */ |
| 386 |
|
char *err; |
| 387 |
|
{ |
| 388 |
< |
if (err != NULL) |
| 388 |
> |
register int es; |
| 389 |
> |
int cs; |
| 390 |
> |
|
| 391 |
> |
if (es = err != NULL) |
| 392 |
|
fprintf(stderr, "%s: %s: %s\n", progname, |
| 393 |
|
fname==NULL?"<stdin>":fname, err); |
| 394 |
< |
if (wind) { |
| 395 |
< |
XDestroyWindow(thedisplay, wind); |
| 396 |
< |
XFlush(thedisplay); |
| 397 |
< |
} |
| 398 |
< |
while (parent > 0 && wait(0) != -1) /* wait for any children */ |
| 394 |
> |
if (thedisplay != NULL) |
| 395 |
> |
XCloseDisplay(thedisplay); |
| 396 |
> |
if (parent < 0 & sigrecv == 0) |
| 397 |
> |
kill(getppid(), SIGCONT); |
| 398 |
> |
while (parent > 0 && wait(&cs) != -1) { /* wait for any children */ |
| 399 |
> |
if (es == 0) |
| 400 |
> |
es = cs>>8 & 0xff; |
| 401 |
|
parent--; |
| 402 |
< |
exit(err != NULL); |
| 402 |
> |
} |
| 403 |
> |
exit(es); |
| 404 |
|
} |
| 405 |
|
|
| 406 |
|
|
| 557 |
|
xmax, ymax, 8); |
| 558 |
|
if (ourras == NULL) |
| 559 |
|
goto fail; |
| 560 |
< |
if (greyscale | ourvis.class == StaticGray) |
| 560 |
> |
if (greyscale) |
| 561 |
|
getgrey(); |
| 562 |
|
else |
| 563 |
|
getmapped(); |
| 587 |
|
map_rcolors(ourras, wind); |
| 588 |
|
if (fast) |
| 589 |
|
make_rpixmap(ourras, wind); |
| 590 |
+ |
if (!sequential & parent < 0 & sigrecv == 0) { |
| 591 |
+ |
kill(getppid(), SIGCONT); |
| 592 |
+ |
sigrecv--; |
| 593 |
+ |
} |
| 594 |
|
break; |
| 595 |
|
case UnmapNotify: |
| 596 |
|
if (!fast) |
| 603 |
|
case ButtonPress: |
| 604 |
|
if (xev.xbutton.state & (ShiftMask|ControlMask)) |
| 605 |
|
moveimage(&xev.xbutton); |
| 561 |
– |
else if (xev.xbutton.button == Button2) |
| 562 |
– |
traceray(xev.xbutton.x, xev.xbutton.y); |
| 606 |
|
else |
| 607 |
< |
getbox(&xev.xbutton); |
| 607 |
> |
switch (xev.xbutton.button) { |
| 608 |
> |
case Button1: |
| 609 |
> |
getbox(&xev.xbutton); |
| 610 |
> |
break; |
| 611 |
> |
case Button2: |
| 612 |
> |
traceray(xev.xbutton.x, xev.xbutton.y); |
| 613 |
> |
break; |
| 614 |
> |
case Button3: |
| 615 |
> |
trackrays(&xev.xbutton); |
| 616 |
> |
break; |
| 617 |
> |
} |
| 618 |
|
break; |
| 619 |
|
case ClientMessage: |
| 620 |
|
if ((xev.xclient.message_type == wmProtocolsAtom) && |
| 625 |
|
} |
| 626 |
|
|
| 627 |
|
|
| 628 |
< |
traceray(xpos, ypos) /* print ray corresponding to pixel */ |
| 628 |
> |
traceray(xpos, ypos) /* print requested pixel data */ |
| 629 |
|
int xpos, ypos; |
| 630 |
|
{ |
| 631 |
+ |
extern char *index(); |
| 632 |
|
FLOAT hv[2]; |
| 633 |
|
FVECT rorg, rdir; |
| 634 |
+ |
COLOR cval; |
| 635 |
+ |
register char *cp; |
| 636 |
|
|
| 637 |
< |
if (!gotview) { /* no view, no can do */ |
| 638 |
< |
XBell(thedisplay, 0); |
| 639 |
< |
return(-1); |
| 640 |
< |
} |
| 637 |
> |
box.xmin = xpos; box.xsiz = 1; |
| 638 |
> |
box.ymin = ypos; box.ysiz = 1; |
| 639 |
> |
avgbox(cval); |
| 640 |
> |
scalecolor(cval, 1./exposure); |
| 641 |
|
pix2loc(hv, &inpres, xpos-xoff, ypos-yoff); |
| 642 |
< |
if (viewray(rorg, rdir, &ourview, hv[0], hv[1]) < 0) |
| 643 |
< |
return(-1); |
| 644 |
< |
printf("%e %e %e ", rorg[0], rorg[1], rorg[2]); |
| 645 |
< |
printf("%e %e %e\n", rdir[0], rdir[1], rdir[2]); |
| 642 |
> |
if (!gotview || viewray(rorg, rdir, &ourview, hv[0], hv[1]) < 0) |
| 643 |
> |
rorg[0] = rorg[1] = rorg[2] = |
| 644 |
> |
rdir[0] = rdir[1] = rdir[2] = 0.; |
| 645 |
> |
|
| 646 |
> |
for (cp = tout; *cp; cp++) /* print what they asked for */ |
| 647 |
> |
switch (*cp) { |
| 648 |
> |
case 'o': /* origin */ |
| 649 |
> |
printf("%e %e %e ", rorg[0], rorg[1], rorg[2]); |
| 650 |
> |
break; |
| 651 |
> |
case 'd': /* direction */ |
| 652 |
> |
printf("%e %e %e ", rdir[0], rdir[1], rdir[2]); |
| 653 |
> |
break; |
| 654 |
> |
case 'v': /* radiance value */ |
| 655 |
> |
printf("%e %e %e ", colval(cval,RED), |
| 656 |
> |
colval(cval,GRN), colval(cval,BLU)); |
| 657 |
> |
break; |
| 658 |
> |
case 'l': /* luminance */ |
| 659 |
> |
printf("%e ", luminance(cval)); |
| 660 |
> |
break; |
| 661 |
> |
case 'p': /* pixel position */ |
| 662 |
> |
printf("%d %d ", (int)(hv[0]*inpres.xr), |
| 663 |
> |
(int)(hv[1]*inpres.yr)); |
| 664 |
> |
break; |
| 665 |
> |
} |
| 666 |
> |
putchar('\n'); |
| 667 |
|
fflush(stdout); |
| 668 |
|
return(0); |
| 669 |
|
} |
| 692 |
|
case '\r': |
| 693 |
|
case 'l': |
| 694 |
|
case 'c': /* value */ |
| 695 |
< |
if (avgbox(cval) == -1) |
| 695 |
> |
if (!avgbox(cval)) |
| 696 |
|
return(-1); |
| 697 |
|
switch (com) { |
| 698 |
|
case '\n': |
| 734 |
|
return(0); |
| 735 |
|
case 't': /* trace */ |
| 736 |
|
return(traceray(ekey->x, ekey->y)); |
| 737 |
+ |
case 'a': /* auto exposure */ |
| 738 |
+ |
if (fname == NULL) |
| 739 |
+ |
return(-1); |
| 740 |
+ |
tmflags = TM_F_CAMERA; |
| 741 |
+ |
strcpy(buf, "auto exposure..."); |
| 742 |
+ |
goto remap; |
| 743 |
+ |
case 'h': /* human response */ |
| 744 |
+ |
if (fname == NULL) |
| 745 |
+ |
return(-1); |
| 746 |
+ |
tmflags = TM_F_HUMAN; |
| 747 |
+ |
strcpy(buf, "human exposure..."); |
| 748 |
+ |
goto remap; |
| 749 |
|
case '=': /* adjust exposure */ |
| 750 |
|
case '@': /* adaptation level */ |
| 751 |
< |
if (avgbox(cval) == -1) |
| 751 |
> |
if (!avgbox(cval)) |
| 752 |
|
return(-1); |
| 753 |
< |
comp = com=='@' |
| 754 |
< |
? 106./pow(1.219+pow(luminance(cval)/exposure,.4),2.5)/exposure |
| 755 |
< |
: .5/bright(cval) ; |
| 753 |
> |
comp = bright(cval); |
| 754 |
> |
if (comp < 1e-20) { |
| 755 |
> |
XBell(thedisplay, 0); |
| 756 |
> |
return(-1); |
| 757 |
> |
} |
| 758 |
> |
if (com == '@') |
| 759 |
> |
comp = 106./exposure/ |
| 760 |
> |
pow(1.219+pow(comp*WHTEFFICACY/exposure,.4),2.5); |
| 761 |
> |
else |
| 762 |
> |
comp = .5/comp; |
| 763 |
|
comp = log(comp)/.69315 - scale; |
| 764 |
|
n = comp < 0 ? comp-.5 : comp+.5 ; /* round */ |
| 765 |
< |
if (n == 0) |
| 766 |
< |
return(0); |
| 767 |
< |
scale_rcolors(ourras, pow(2.0, (double)n)); |
| 765 |
> |
if (tmflags != TM_F_LINEAR) |
| 766 |
> |
tmflags = TM_F_LINEAR; /* turn off tone mapping */ |
| 767 |
> |
else { |
| 768 |
> |
if (n == 0) /* else check if any change */ |
| 769 |
> |
return(0); |
| 770 |
> |
scale_rcolors(ourras, pow(2.0, (double)n)); |
| 771 |
> |
} |
| 772 |
|
scale += n; |
| 773 |
|
sprintf(buf, "%+d", scale); |
| 774 |
+ |
remap: |
| 775 |
|
XDrawImageString(thedisplay, wind, ourgc, |
| 776 |
|
box.xmin, box.ymin+box.ysiz, buf, strlen(buf)); |
| 777 |
|
XFlush(thedisplay); |
| 866 |
|
} |
| 867 |
|
|
| 868 |
|
|
| 869 |
+ |
trackrays(ebut) /* trace rays as mouse moves */ |
| 870 |
+ |
XButtonPressedEvent *ebut; |
| 871 |
+ |
{ |
| 872 |
+ |
XEvent e; |
| 873 |
+ |
unsigned long lastrept; |
| 874 |
+ |
|
| 875 |
+ |
traceray(ebut->x, ebut->y); |
| 876 |
+ |
lastrept = ebut->time; |
| 877 |
+ |
XMaskEvent(thedisplay, ButtonReleaseMask|ButtonMotionMask, &e); |
| 878 |
+ |
while (e.type == MotionNotify) { |
| 879 |
+ |
if (e.xmotion.time >= lastrept + tinterv) { |
| 880 |
+ |
traceray(e.xmotion.x, e.xmotion.y); |
| 881 |
+ |
lastrept = e.xmotion.time; |
| 882 |
+ |
} |
| 883 |
+ |
XMaskEvent(thedisplay,ButtonReleaseMask|ButtonMotionMask,&e); |
| 884 |
+ |
} |
| 885 |
+ |
} |
| 886 |
+ |
|
| 887 |
+ |
|
| 888 |
|
revbox(x0, y0, x1, y1) /* draw box with reversed lines */ |
| 889 |
|
int x0, y0, x1, y1; |
| 890 |
|
{ |
| 895 |
|
} |
| 896 |
|
|
| 897 |
|
|
| 898 |
< |
avgbox(clr) /* average color over current box */ |
| 899 |
< |
COLOR clr; |
| 898 |
> |
int |
| 899 |
> |
colavg(scn, n, cavg) |
| 900 |
> |
register COLR *scn; |
| 901 |
> |
register int n; |
| 902 |
> |
COLOR cavg; |
| 903 |
|
{ |
| 904 |
< |
static COLOR lc; |
| 905 |
< |
static int ll, lr, lt, lb; |
| 904 |
> |
COLOR col; |
| 905 |
> |
|
| 906 |
> |
while (n--) { |
| 907 |
> |
colr_color(col, scn++); |
| 908 |
> |
addcolor(cavg, col); |
| 909 |
> |
} |
| 910 |
> |
} |
| 911 |
> |
|
| 912 |
> |
|
| 913 |
> |
int |
| 914 |
> |
avgbox(cavg) /* average color over current box */ |
| 915 |
> |
COLOR cavg; |
| 916 |
> |
{ |
| 917 |
> |
double d; |
| 918 |
> |
register int rval; |
| 919 |
> |
|
| 920 |
> |
setcolor(cavg, 0., 0., 0.); |
| 921 |
> |
rval = dobox(colavg, (char *)cavg); |
| 922 |
> |
if (rval > 0) { |
| 923 |
> |
d = 1./rval; |
| 924 |
> |
scalecolor(cavg, d); |
| 925 |
> |
} |
| 926 |
> |
return(rval); |
| 927 |
> |
} |
| 928 |
> |
|
| 929 |
> |
|
| 930 |
> |
int |
| 931 |
> |
dobox(f, p) /* run function over box */ |
| 932 |
> |
int (*f)(); /* function to call for each subscan */ |
| 933 |
> |
char *p; /* pointer to private data */ |
| 934 |
> |
{ |
| 935 |
|
int left, right, top, bottom; |
| 936 |
|
int y; |
| 785 |
– |
double d; |
| 786 |
– |
COLOR ctmp; |
| 787 |
– |
register int x; |
| 937 |
|
|
| 789 |
– |
setcolor(clr, 0.0, 0.0, 0.0); |
| 938 |
|
left = box.xmin - xoff; |
| 939 |
|
right = left + box.xsiz; |
| 940 |
|
if (left < 0) |
| 942 |
|
if (right > xmax) |
| 943 |
|
right = xmax; |
| 944 |
|
if (left >= right) |
| 945 |
< |
return(-1); |
| 945 |
> |
return(0); |
| 946 |
|
top = box.ymin - yoff; |
| 947 |
|
bottom = top + box.ysiz; |
| 948 |
|
if (top < 0) |
| 950 |
|
if (bottom > ymax) |
| 951 |
|
bottom = ymax; |
| 952 |
|
if (top >= bottom) |
| 805 |
– |
return(-1); |
| 806 |
– |
if (left == ll && right == lr && top == lt && bottom == lb) { |
| 807 |
– |
copycolor(clr, lc); |
| 953 |
|
return(0); |
| 809 |
– |
} |
| 954 |
|
for (y = top; y < bottom; y++) { |
| 955 |
|
if (getscan(y) == -1) |
| 956 |
|
return(-1); |
| 957 |
< |
for (x = left; x < right; x++) { |
| 958 |
< |
colr_color(ctmp, scanline[x]); |
| 959 |
< |
addcolor(clr, ctmp); |
| 957 |
> |
(*f)(scanline+left, right-left, p); |
| 958 |
> |
} |
| 959 |
> |
return((right-left)*(bottom-top)); |
| 960 |
> |
} |
| 961 |
> |
|
| 962 |
> |
|
| 963 |
> |
int |
| 964 |
> |
addfix(scn, n) /* add fixation points to histogram */ |
| 965 |
> |
COLR *scn; |
| 966 |
> |
int n; |
| 967 |
> |
{ |
| 968 |
> |
if (tmCvColrs(lscan, TM_NOCHROM, scn, n)) |
| 969 |
> |
goto tmerr; |
| 970 |
> |
if (tmAddHisto(lscan, n, FIXWEIGHT)) |
| 971 |
> |
goto tmerr; |
| 972 |
> |
return; |
| 973 |
> |
tmerr: |
| 974 |
> |
quiterr("tone mapping error"); |
| 975 |
> |
} |
| 976 |
> |
|
| 977 |
> |
|
| 978 |
> |
make_tonemap() /* initialize tone mapping */ |
| 979 |
> |
{ |
| 980 |
> |
int flags, y; |
| 981 |
> |
|
| 982 |
> |
if (tmflags != TM_F_LINEAR && fname == NULL) { |
| 983 |
> |
fprintf(stderr, "%s: cannot adjust tone of standard input\n", |
| 984 |
> |
progname); |
| 985 |
> |
tmflags = TM_F_LINEAR; |
| 986 |
> |
} |
| 987 |
> |
if (tmflags == TM_F_LINEAR) { /* linear with clamping */ |
| 988 |
> |
setcolrcor(pow, 1.0/gamcor); |
| 989 |
> |
return; |
| 990 |
> |
} |
| 991 |
> |
flags = tmflags; /* histogram adjustment */ |
| 992 |
> |
if (greyscale) flags |= TM_F_BW; |
| 993 |
> |
if (tmTop != NULL) { /* reuse old histogram if one */ |
| 994 |
> |
tmDone(tmTop); |
| 995 |
> |
tmTop->flags = flags; |
| 996 |
> |
} else { /* else initialize */ |
| 997 |
> |
if ((lscan = (TMbright *)malloc(xmax*sizeof(TMbright))) == NULL) |
| 998 |
> |
goto memerr; |
| 999 |
> |
if (greyscale) { |
| 1000 |
> |
cscan = TM_NOCHROM; |
| 1001 |
> |
if ((pscan = (BYTE *)malloc(sizeof(BYTE)*xmax)) == NULL) |
| 1002 |
> |
goto memerr; |
| 1003 |
> |
} else if ((pscan=cscan = (BYTE *)malloc(3*sizeof(BYTE)*xmax)) |
| 1004 |
> |
== NULL) |
| 1005 |
> |
goto memerr; |
| 1006 |
> |
/* initialize tm library */ |
| 1007 |
> |
if (tmInit(flags, stdprims, gamcor) == NULL) |
| 1008 |
> |
goto memerr; |
| 1009 |
> |
if (tmSetSpace(stdprims, WHTEFFICACY/exposure)) |
| 1010 |
> |
goto tmerr; |
| 1011 |
> |
/* compute picture histogram */ |
| 1012 |
> |
for (y = 0; y < ymax; y++) { |
| 1013 |
> |
getscan(y); |
| 1014 |
> |
if (tmCvColrs(lscan, TM_NOCHROM, scanline, xmax)) |
| 1015 |
> |
goto tmerr; |
| 1016 |
> |
if (tmAddHisto(lscan, xmax, 1)) |
| 1017 |
> |
goto tmerr; |
| 1018 |
|
} |
| 1019 |
|
} |
| 1020 |
< |
d = 1.0/((right-left)*(bottom-top)); |
| 1021 |
< |
scalecolor(clr, d); |
| 1022 |
< |
ll = left; lr = right; lt = top; lb = bottom; |
| 1023 |
< |
copycolor(lc, clr); |
| 1024 |
< |
return(0); |
| 1020 |
> |
tmDup(); /* add fixations to duplicate map */ |
| 1021 |
> |
dobox(addfix, NULL); |
| 1022 |
> |
/* (re)compute tone mapping */ |
| 1023 |
> |
if (tmComputeMapping(gamcor, 0., 0.)) |
| 1024 |
> |
goto tmerr; |
| 1025 |
> |
return; |
| 1026 |
> |
memerr: |
| 1027 |
> |
quiterr("out of memory in make_tonemap"); |
| 1028 |
> |
tmerr: |
| 1029 |
> |
quiterr("tone mapping error"); |
| 1030 |
|
} |
| 1031 |
|
|
| 1032 |
|
|
| 1033 |
+ |
tmap_colrs(scn, len) /* apply tone mapping to scanline */ |
| 1034 |
+ |
register COLR *scn; |
| 1035 |
+ |
int len; |
| 1036 |
+ |
{ |
| 1037 |
+ |
register BYTE *ps; |
| 1038 |
+ |
|
| 1039 |
+ |
if (tmflags == TM_F_LINEAR) { |
| 1040 |
+ |
if (scale) |
| 1041 |
+ |
shiftcolrs(scn, len, scale); |
| 1042 |
+ |
colrs_gambs(scn, len); |
| 1043 |
+ |
return; |
| 1044 |
+ |
} |
| 1045 |
+ |
if (len > xmax) |
| 1046 |
+ |
quiterr("code error 1 in tmap_colrs"); |
| 1047 |
+ |
if (tmCvColrs(lscan, cscan, scn, len)) |
| 1048 |
+ |
goto tmerr; |
| 1049 |
+ |
if (tmMapPixels(pscan, lscan, cscan, len)) |
| 1050 |
+ |
goto tmerr; |
| 1051 |
+ |
ps = pscan; |
| 1052 |
+ |
if (greyscale) |
| 1053 |
+ |
while (len--) { |
| 1054 |
+ |
scn[0][RED] = scn[0][GRN] = scn[0][BLU] = *ps++; |
| 1055 |
+ |
scn[0][EXP] = COLXS; |
| 1056 |
+ |
scn++; |
| 1057 |
+ |
} |
| 1058 |
+ |
else |
| 1059 |
+ |
while (len--) { |
| 1060 |
+ |
scn[0][RED] = *ps++; |
| 1061 |
+ |
scn[0][GRN] = *ps++; |
| 1062 |
+ |
scn[0][BLU] = *ps++; |
| 1063 |
+ |
scn[0][EXP] = COLXS; |
| 1064 |
+ |
scn++; |
| 1065 |
+ |
} |
| 1066 |
+ |
return; |
| 1067 |
+ |
tmerr: |
| 1068 |
+ |
quiterr("tone mapping error"); |
| 1069 |
+ |
} |
| 1070 |
+ |
|
| 1071 |
+ |
|
| 1072 |
|
getmono() /* get monochrome data */ |
| 1073 |
|
{ |
| 1074 |
|
register unsigned char *dp; |
| 1158 |
|
int y; |
| 1159 |
|
register unsigned int4 *dp; |
| 1160 |
|
register int x; |
| 1161 |
< |
/* set gamma correction */ |
| 1162 |
< |
setcolrgam(gamcor); |
| 1161 |
> |
/* initialize tone mapping */ |
| 1162 |
> |
make_tonemap(); |
| 1163 |
|
/* read and convert file */ |
| 1164 |
|
dp = (unsigned int4 *)ourdata; |
| 1165 |
|
for (y = 0; y < ymax; y++) { |
| 1166 |
|
getscan(y); |
| 1167 |
|
add2icon(y, scanline); |
| 1168 |
< |
if (scale) |
| 923 |
< |
shiftcolrs(scanline, xmax, scale); |
| 924 |
< |
colrs_gambs(scanline, xmax); |
| 1168 |
> |
tmap_colrs(scanline, xmax); |
| 1169 |
|
if (ourras->image->blue_mask & 1) |
| 1170 |
|
for (x = 0; x < xmax; x++) |
| 1171 |
< |
*dp++ = scanline[x][RED] << 16 | |
| 1172 |
< |
scanline[x][GRN] << 8 | |
| 1173 |
< |
scanline[x][BLU] ; |
| 1171 |
> |
*dp++ = (unsigned int4)scanline[x][RED] << 16 | |
| 1172 |
> |
(unsigned int4)scanline[x][GRN] << 8 | |
| 1173 |
> |
(unsigned int4)scanline[x][BLU] ; |
| 1174 |
|
else |
| 1175 |
|
for (x = 0; x < xmax; x++) |
| 1176 |
< |
*dp++ = scanline[x][RED] | |
| 1177 |
< |
scanline[x][GRN] << 8 | |
| 1178 |
< |
scanline[x][BLU] << 16 ; |
| 1176 |
> |
*dp++ = (unsigned int4)scanline[x][RED] | |
| 1177 |
> |
(unsigned int4)scanline[x][GRN] << 8 | |
| 1178 |
> |
(unsigned int4)scanline[x][BLU] << 16 ; |
| 1179 |
|
} |
| 1180 |
|
} |
| 1181 |
|
|
| 1185 |
|
int y; |
| 1186 |
|
register unsigned char *dp; |
| 1187 |
|
register int x; |
| 1188 |
< |
/* set gamma correction */ |
| 1189 |
< |
setcolrgam(gamcor); |
| 1188 |
> |
/* initialize tone mapping */ |
| 1189 |
> |
make_tonemap(); |
| 1190 |
|
/* read and convert file */ |
| 1191 |
|
dp = ourdata; |
| 1192 |
|
for (y = 0; y < ymax; y++) { |
| 1193 |
|
getscan(y); |
| 1194 |
|
add2icon(y, scanline); |
| 1195 |
< |
if (scale) |
| 952 |
< |
shiftcolrs(scanline, xmax, scale); |
| 953 |
< |
for (x = 0; x < xmax; x++) |
| 954 |
< |
scanline[x][GRN] = normbright(scanline[x]); |
| 955 |
< |
colrs_gambs(scanline, xmax); |
| 1195 |
> |
tmap_colrs(scanline, xmax); |
| 1196 |
|
if (maxcolors < 256) |
| 1197 |
|
for (x = 0; x < xmax; x++) |
| 1198 |
< |
*dp++ = ((long)scanline[x][GRN] * |
| 1198 |
> |
*dp++ = ((int4)scanline[x][GRN] * |
| 1199 |
|
maxcolors + maxcolors/2) >> 8; |
| 1200 |
|
else |
| 1201 |
|
for (x = 0; x < xmax; x++) |
| 1203 |
|
} |
| 1204 |
|
for (x = 0; x < maxcolors; x++) |
| 1205 |
|
clrtab[x][RED] = clrtab[x][GRN] = |
| 1206 |
< |
clrtab[x][BLU] = ((long)x*256 + 128)/maxcolors; |
| 1206 |
> |
clrtab[x][BLU] = ((int4)x*256 + 128)/maxcolors; |
| 1207 |
|
} |
| 1208 |
|
|
| 1209 |
|
|
| 1210 |
|
getmapped() /* get color-mapped data */ |
| 1211 |
|
{ |
| 1212 |
|
int y; |
| 1213 |
< |
/* set gamma correction */ |
| 1214 |
< |
setcolrgam(gamcor); |
| 1213 |
> |
/* make sure we can do it first */ |
| 1214 |
> |
if (fname == NULL) |
| 1215 |
> |
quiterr("cannot map colors from standard input"); |
| 1216 |
> |
/* initialize tone mapping */ |
| 1217 |
> |
make_tonemap(); |
| 1218 |
|
/* make histogram */ |
| 1219 |
< |
new_histo(); |
| 1219 |
> |
if (new_histo((int4)xmax*ymax) == -1) |
| 1220 |
> |
quiterr("cannot initialize histogram"); |
| 1221 |
|
for (y = 0; y < ymax; y++) { |
| 1222 |
|
if (getscan(y) < 0) |
| 1223 |
< |
quiterr("seek error in getmapped"); |
| 1223 |
> |
break; |
| 1224 |
|
add2icon(y, scanline); |
| 1225 |
< |
if (scale) |
| 982 |
< |
shiftcolrs(scanline, xmax, scale); |
| 983 |
< |
colrs_gambs(scanline, xmax); |
| 1225 |
> |
tmap_colrs(scanline, xmax); |
| 1226 |
|
cnt_colrs(scanline, xmax); |
| 1227 |
|
} |
| 1228 |
|
/* map pixels */ |
| 1229 |
|
if (!new_clrtab(maxcolors)) |
| 1230 |
|
quiterr("cannot create color map"); |
| 1231 |
|
for (y = 0; y < ymax; y++) { |
| 1232 |
< |
if (getscan(y) < 0) |
| 1233 |
< |
quiterr("seek error in getmapped"); |
| 992 |
< |
if (scale) |
| 993 |
< |
shiftcolrs(scanline, xmax, scale); |
| 994 |
< |
colrs_gambs(scanline, xmax); |
| 1232 |
> |
getscan(y); |
| 1233 |
> |
tmap_colrs(scanline, xmax); |
| 1234 |
|
if (dither) |
| 1235 |
|
dith_colrs(ourdata+y*xmax, scanline, xmax); |
| 1236 |
|
else |
| 1270 |
|
getscan(y) |
| 1271 |
|
int y; |
| 1272 |
|
{ |
| 1273 |
+ |
static int trunced = -1; /* truncated file? */ |
| 1274 |
+ |
skipit: |
| 1275 |
+ |
if (trunced >= 0 && y >= trunced) { |
| 1276 |
+ |
bzero(scanline, xmax*sizeof(COLR)); |
| 1277 |
+ |
return(-1); |
| 1278 |
+ |
} |
| 1279 |
|
if (y != cury) { |
| 1280 |
|
if (scanpos == NULL || scanpos[y] == -1) |
| 1281 |
|
return(-1); |
| 1285 |
|
} else if (scanpos != NULL && scanpos[y] == -1) |
| 1286 |
|
scanpos[y] = ftell(fin); |
| 1287 |
|
|
| 1288 |
< |
if (freadcolrs(scanline, xmax, fin) < 0) |
| 1289 |
< |
quiterr("read error"); |
| 1290 |
< |
|
| 1288 |
> |
if (freadcolrs(scanline, xmax, fin) < 0) { |
| 1289 |
> |
fprintf(stderr, "%s: %s: unfinished picture\n", |
| 1290 |
> |
progname, fname==NULL?"<stdin>":fname); |
| 1291 |
> |
trunced = y; |
| 1292 |
> |
goto skipit; |
| 1293 |
> |
} |
| 1294 |
|
cury++; |
| 1295 |
|
return(0); |
| 1296 |
|
} |