| 109 |
|
|
| 110 |
|
extern char *malloc(), *calloc(); |
| 111 |
|
|
| 112 |
– |
extern double pow(), log(); |
| 113 |
– |
|
| 112 |
|
Display *thedisplay; |
| 113 |
|
|
| 114 |
+ |
|
| 115 |
|
main(argc, argv) |
| 116 |
|
int argc; |
| 117 |
|
char *argv[]; |
| 193 |
|
getevent(); /* main loop */ |
| 194 |
|
userr: |
| 195 |
|
fprintf(stderr, |
| 196 |
< |
"Usage: %s [-display disp][-geometry spec][-b][-m][-d][-f][-c ncolors][-e +/-stops] file\n", |
| 196 |
> |
"Usage: %s [-di disp][[-ge] spec][-b][-m][-d][-f][-c nclrs][-e +/-stops] pic\n", |
| 197 |
|
progname); |
| 198 |
< |
quit(1); |
| 198 |
> |
exit(1); |
| 199 |
|
} |
| 200 |
|
|
| 201 |
|
|
| 234 |
|
getbestvis(); |
| 235 |
|
/* store image */ |
| 236 |
|
getras(); |
| 237 |
+ |
/* get size and position */ |
| 238 |
+ |
bzero((char *)&oursizhints, sizeof(oursizhints)); |
| 239 |
+ |
oursizhints.width = xmax; oursizhints.height = ymax; |
| 240 |
+ |
if (geometry != NULL) { |
| 241 |
+ |
i = XParseGeometry(geometry, &oursizhints.x, &oursizhints.y, |
| 242 |
+ |
(unsigned *)&oursizhints.width, |
| 243 |
+ |
(unsigned *)&oursizhints.height); |
| 244 |
+ |
if ((i&(WidthValue|HeightValue)) == (WidthValue|HeightValue)) |
| 245 |
+ |
oursizhints.flags |= USSize; |
| 246 |
+ |
else |
| 247 |
+ |
oursizhints.flags |= PSize; |
| 248 |
+ |
if ((i&(XValue|YValue)) == (XValue|YValue)) { |
| 249 |
+ |
oursizhints.flags |= USPosition; |
| 250 |
+ |
if (i & XNegative) |
| 251 |
+ |
oursizhints.x += DisplayWidth(thedisplay, |
| 252 |
+ |
ourscreen)-1-oursizhints.width-2*BORWIDTH; |
| 253 |
+ |
if (i & YNegative) |
| 254 |
+ |
oursizhints.y += DisplayHeight(thedisplay, |
| 255 |
+ |
ourscreen)-1-oursizhints.height-2*BORWIDTH; |
| 256 |
+ |
} |
| 257 |
+ |
} |
| 258 |
|
/* open window */ |
| 259 |
|
ourwinattr.border_pixel = ourblack; |
| 260 |
|
ourwinattr.background_pixel = ourwhite; |
| 261 |
|
ourwinattr.colormap = XCreateColormap(thedisplay, ourroot, |
| 262 |
|
ourvis.visual, AllocNone); |
| 263 |
< |
wind = XCreateWindow(thedisplay, ourroot, 0, 0, xmax, ymax, BORWIDTH, |
| 263 |
> |
wind = XCreateWindow(thedisplay, ourroot, oursizhints.x, oursizhints.y, |
| 264 |
> |
oursizhints.width, oursizhints.height, BORWIDTH, |
| 265 |
|
ourvis.depth, InputOutput, ourvis.visual, |
| 266 |
|
CWBackPixel|CWBorderPixel|CWColormap, &ourwinattr); |
| 267 |
|
if (wind == 0) |
| 280 |
|
XDefineCursor(thedisplay, wind, XCreateFontCursor(thedisplay, |
| 281 |
|
XC_diamond_cross)); |
| 282 |
|
XStoreName(thedisplay, wind, fname == NULL ? progname : fname); |
| 283 |
< |
if (geometry != NULL) { |
| 263 |
< |
bzero((char *)&oursizhints, sizeof(oursizhints)); |
| 264 |
< |
i = XParseGeometry(geometry, &oursizhints.x, &oursizhints.y, |
| 265 |
< |
(unsigned *)&oursizhints.width, |
| 266 |
< |
(unsigned *)&oursizhints.height); |
| 267 |
< |
if ((i&(WidthValue|HeightValue)) == (WidthValue|HeightValue)) |
| 268 |
< |
oursizhints.flags |= USSize; |
| 269 |
< |
else { |
| 270 |
< |
oursizhints.width = xmax; |
| 271 |
< |
oursizhints.height = ymax; |
| 272 |
< |
oursizhints.flags |= PSize; |
| 273 |
< |
} |
| 274 |
< |
if ((i&(XValue|YValue)) == (XValue|YValue)) { |
| 275 |
< |
oursizhints.flags |= USPosition; |
| 276 |
< |
if (i & XNegative) |
| 277 |
< |
oursizhints.x += DisplayWidth(thedisplay, |
| 278 |
< |
ourscreen)-1-oursizhints.width-2*BORWIDTH; |
| 279 |
< |
if (i & YNegative) |
| 280 |
< |
oursizhints.y += DisplayHeight(thedisplay, |
| 281 |
< |
ourscreen)-1-oursizhints.height-2*BORWIDTH; |
| 282 |
< |
} |
| 283 |
> |
if (oursizhints.flags) |
| 284 |
|
XSetNormalHints(thedisplay, wind, &oursizhints); |
| 284 |
– |
} |
| 285 |
|
ourxwmhints.flags = InputHint|IconPixmapHint; |
| 286 |
|
ourxwmhints.input = True; |
| 287 |
|
ourxwmhints.icon_pixmap = XCreateBitmapFromData(thedisplay, |
| 308 |
|
} |
| 309 |
|
|
| 310 |
|
|
| 311 |
– |
eputs(s) |
| 312 |
– |
char *s; |
| 313 |
– |
{ |
| 314 |
– |
fputs(s, stderr); |
| 315 |
– |
} |
| 316 |
– |
|
| 317 |
– |
|
| 318 |
– |
quit(code) |
| 319 |
– |
int code; |
| 320 |
– |
{ |
| 321 |
– |
exit(code); |
| 322 |
– |
} |
| 323 |
– |
|
| 324 |
– |
|
| 311 |
|
static int |
| 312 |
|
viscmp(v1,v2) /* compare visual to see which is better, descending */ |
| 313 |
|
register XVisualInfo *v1, *v2; |
| 508 |
|
case ButtonPress: |
| 509 |
|
if (e.b.state & (ShiftMask|ControlMask)) |
| 510 |
|
moveimage(&e.b); |
| 511 |
+ |
else if (e.b.button == Button2) |
| 512 |
+ |
traceray(e.b.x, e.b.y); |
| 513 |
|
else |
| 514 |
|
getbox(&e.b); |
| 515 |
|
break; |
| 517 |
|
} |
| 518 |
|
|
| 519 |
|
|
| 520 |
< |
docom(ekey) /* execute command */ |
| 520 |
> |
traceray(xpos, ypos) /* print ray corresponding to pixel */ |
| 521 |
> |
int xpos, ypos; |
| 522 |
> |
{ |
| 523 |
> |
FLOAT hv[2]; |
| 524 |
> |
FVECT rorg, rdir; |
| 525 |
> |
|
| 526 |
> |
if (!gotview) { /* no view, no can do */ |
| 527 |
> |
XBell(thedisplay, 0); |
| 528 |
> |
return(-1); |
| 529 |
> |
} |
| 530 |
> |
pix2loc(hv, &inpres, xpos-xoff, ypos-yoff); |
| 531 |
> |
if (viewray(rorg, rdir, &ourview, hv[0], hv[1]) < 0) |
| 532 |
> |
return(-1); |
| 533 |
> |
printf("%e %e %e ", rorg[0], rorg[1], rorg[2]); |
| 534 |
> |
printf("%e %e %e\n", rdir[0], rdir[1], rdir[2]); |
| 535 |
> |
fflush(stdout); |
| 536 |
> |
return(0); |
| 537 |
> |
} |
| 538 |
> |
|
| 539 |
> |
|
| 540 |
> |
docom(ekey) /* execute command */ |
| 541 |
|
XKeyPressedEvent *ekey; |
| 542 |
|
{ |
| 543 |
|
char buf[80]; |
| 546 |
|
int com, n; |
| 547 |
|
double comp; |
| 548 |
|
FLOAT hv[2]; |
| 541 |
– |
FVECT rorg, rdir; |
| 549 |
|
|
| 550 |
|
n = XLookupString(ekey, buf, sizeof(buf), NULL, NULL); |
| 551 |
|
if (n == 0) |
| 553 |
|
com = buf[0]; |
| 554 |
|
switch (com) { /* interpret command */ |
| 555 |
|
case 'q': |
| 556 |
+ |
case 'Q': |
| 557 |
|
case CTRL('D'): /* quit */ |
| 558 |
< |
quit(0); |
| 558 |
> |
quiterr(NULL); |
| 559 |
|
case '\n': |
| 560 |
|
case '\r': |
| 561 |
|
case 'l': |
| 601 |
|
buf, strlen(buf)); |
| 602 |
|
return(0); |
| 603 |
|
case 't': /* trace */ |
| 604 |
< |
if (!gotview) { |
| 597 |
< |
XBell(thedisplay, 0); |
| 598 |
< |
return(-1); |
| 599 |
< |
} |
| 600 |
< |
pix2loc(hv, &inpres, ekey->x-xoff, ekey->y-yoff); |
| 601 |
< |
if (viewray(rorg, rdir, &ourview, hv[0], hv[1]) < 0) |
| 602 |
< |
return(-1); |
| 603 |
< |
printf("%e %e %e ", rorg[0], rorg[1], rorg[2]); |
| 604 |
< |
printf("%e %e %e\n", rdir[0], rdir[1], rdir[2]); |
| 605 |
< |
fflush(stdout); |
| 606 |
< |
return(0); |
| 604 |
> |
return(traceray(ekey->x, ekey->y)); |
| 605 |
|
case '=': /* adjust exposure */ |
| 606 |
|
if (avgbox(cval) == -1) |
| 607 |
|
return(-1); |
| 627 |
|
make_rpixmap(ourras, wind); |
| 628 |
|
redraw(0, 0, width, height); |
| 629 |
|
return(0); |
| 630 |
+ |
case '0': /* recenter origin */ |
| 631 |
+ |
if (xoff == 0 & yoff == 0) |
| 632 |
+ |
return(0); |
| 633 |
+ |
xoff = yoff = 0; |
| 634 |
+ |
XClearWindow(thedisplay, wind); |
| 635 |
+ |
redraw(0, 0, width, height); |
| 636 |
+ |
return(0); |
| 637 |
|
case ' ': /* clear */ |
| 638 |
|
redraw(box.xmin, box.ymin, box.xsiz, box.ysiz); |
| 639 |
|
return(0); |
| 745 |
|
return(-1); |
| 746 |
|
if (left == ll && right == lr && top == lt && bottom == lb) { |
| 747 |
|
copycolor(clr, lc); |
| 748 |
< |
return; |
| 748 |
> |
return(0); |
| 749 |
|
} |
| 750 |
|
for (y = top; y < bottom; y++) { |
| 751 |
|
if (getscan(y) == -1) |
| 774 |
|
quiterr("out of memory in getmono"); |
| 775 |
|
dp = ourdata - 1; |
| 776 |
|
for (y = 0; y < ymax; y++) { |
| 777 |
< |
if (getscan(y) < 0) |
| 773 |
< |
quiterr("seek error in getmono"); |
| 774 |
< |
normcolrs(scanline, xmax, scale); |
| 777 |
> |
getscan(y); |
| 778 |
|
add2icon(y, scanline); |
| 779 |
+ |
normcolrs(scanline, xmax, scale); |
| 780 |
|
err = 0; |
| 781 |
|
for (x = 0; x < xmax; x++) { |
| 782 |
|
if (!(x&7)) |
| 802 |
|
static short cerr[ICONSIZ]; |
| 803 |
|
static int ynext; |
| 804 |
|
static char *dp; |
| 805 |
+ |
COLR clr; |
| 806 |
|
register int err; |
| 807 |
|
register int x, ti; |
| 808 |
|
int errp; |
| 833 |
|
*++dp = 0; |
| 834 |
|
errp = err; |
| 835 |
|
ti = x*xmax/iconwidth; |
| 836 |
< |
err += normbright(scan[ti]) + cerr[x]; |
| 836 |
> |
copycolr(clr, scan[ti]); |
| 837 |
> |
normcolrs(clr, 1, scale); |
| 838 |
> |
err += normbright(clr) + cerr[x]; |
| 839 |
|
if (err > 127) |
| 840 |
|
err -= 255; |
| 841 |
|
else |
| 857 |
|
/* read and convert file */ |
| 858 |
|
dp = (unsigned long *)ourdata; |
| 859 |
|
for (y = 0; y < ymax; y++) { |
| 860 |
< |
if (getscan(y) < 0) |
| 861 |
< |
quiterr("seek error in getfull"); |
| 860 |
> |
getscan(y); |
| 861 |
> |
add2icon(y, scanline); |
| 862 |
|
if (scale) |
| 863 |
|
shiftcolrs(scanline, xmax, scale); |
| 864 |
|
colrs_gambs(scanline, xmax); |
| 858 |
– |
add2icon(y, scanline); |
| 865 |
|
if (ourras->image->blue_mask & 1) |
| 866 |
|
for (x = 0; x < xmax; x++) |
| 867 |
|
*dp++ = scanline[x][RED] << 16 | |
| 886 |
|
/* read and convert file */ |
| 887 |
|
dp = ourdata; |
| 888 |
|
for (y = 0; y < ymax; y++) { |
| 889 |
< |
if (getscan(y) < 0) |
| 890 |
< |
quiterr("seek error in getgrey"); |
| 889 |
> |
getscan(y); |
| 890 |
> |
add2icon(y, scanline); |
| 891 |
|
if (scale) |
| 892 |
|
shiftcolrs(scanline, xmax, scale); |
| 893 |
+ |
for (x = 0; x < xmax; x++) |
| 894 |
+ |
scanline[x][GRN] = normbright(scanline[x]); |
| 895 |
|
colrs_gambs(scanline, xmax); |
| 888 |
– |
add2icon(y, scanline); |
| 896 |
|
if (maxcolors < 256) |
| 897 |
|
for (x = 0; x < xmax; x++) |
| 898 |
< |
*dp++ = ((long)normbright(scanline[x]) * |
| 899 |
< |
maxcolors + 128) >> 8; |
| 898 |
> |
*dp++ = ((long)scanline[x][GRN] * |
| 899 |
> |
maxcolors + maxcolors/2) >> 8; |
| 900 |
|
else |
| 901 |
|
for (x = 0; x < xmax; x++) |
| 902 |
< |
*dp++ = normbright(scanline[x]); |
| 902 |
> |
*dp++ = scanline[x][GRN]; |
| 903 |
|
} |
| 904 |
|
for (x = 0; x < maxcolors; x++) |
| 905 |
|
clrtab[x][RED] = clrtab[x][GRN] = |
| 906 |
< |
clrtab[x][BLU] = (x*256+maxcolors/2)/maxcolors; |
| 906 |
> |
clrtab[x][BLU] = ((long)x*256 + 128)/maxcolors; |
| 907 |
|
} |
| 908 |
|
|
| 909 |
|
|
| 917 |
|
for (y = 0; y < ymax; y++) { |
| 918 |
|
if (getscan(y) < 0) |
| 919 |
|
quiterr("seek error in getmapped"); |
| 920 |
+ |
add2icon(y, scanline); |
| 921 |
|
if (scale) |
| 922 |
|
shiftcolrs(scanline, xmax, scale); |
| 923 |
|
colrs_gambs(scanline, xmax); |
| 916 |
– |
add2icon(y, scanline); |
| 924 |
|
cnt_colrs(scanline, xmax); |
| 925 |
|
} |
| 926 |
|
/* map pixels */ |