| 37 |
|
|
| 38 |
|
#define BORWIDTH 5 /* border width */ |
| 39 |
|
|
| 40 |
+ |
#define ICONSIZ (8*10) /* maximum icon dimension (even 8) */ |
| 41 |
+ |
|
| 42 |
|
#define ourscreen DefaultScreen(thedisplay) |
| 43 |
|
#define ourblack BlackPixel(thedisplay,ourscreen) |
| 44 |
|
#define ourwhite WhitePixel(thedisplay,ourscreen) |
| 79 |
|
|
| 80 |
|
double exposure = 1.0; /* exposure compensation used */ |
| 81 |
|
|
| 82 |
+ |
int wrongformat = 0; /* input in another format? */ |
| 83 |
+ |
|
| 84 |
|
GC revgc; /* graphics context with GXinvert */ |
| 85 |
|
|
| 86 |
|
XRASTER *ourras; /* our stored image */ |
| 92 |
|
|
| 93 |
|
char *geometry = NULL; /* geometry specification */ |
| 94 |
|
|
| 95 |
+ |
char icondata[ICONSIZ*ICONSIZ/8]; /* icon bitmap data */ |
| 96 |
+ |
int iconwidth = 0, iconheight = 0; |
| 97 |
+ |
|
| 98 |
|
char *progname; |
| 99 |
|
|
| 100 |
|
char errmsg[128]; |
| 163 |
|
} else if (i != argc) |
| 164 |
|
goto userr; |
| 165 |
|
/* get header */ |
| 166 |
< |
getheader(fin, headline); |
| 166 |
> |
getheader(fin, headline, NULL); |
| 167 |
|
/* get picture dimensions */ |
| 168 |
< |
if (fgetresolu(&xmax, &ymax, fin) != (YMAJOR|YDECR)) |
| 169 |
< |
quiterr("bad picture size"); |
| 168 |
> |
if (wrongformat || fgetresolu(&xmax, &ymax, fin) != (YMAJOR|YDECR)) |
| 169 |
> |
quiterr("bad picture format"); |
| 170 |
|
/* set view parameters */ |
| 171 |
|
if (gotview && setview(&ourview) != NULL) |
| 172 |
|
gotview = 0; |
| 190 |
|
{ |
| 191 |
|
static char *altname[] = {"rview","rpict","pinterp",VIEWSTR,NULL}; |
| 192 |
|
register char **an; |
| 193 |
+ |
char fmt[32]; |
| 194 |
|
|
| 195 |
|
if (isexpos(s)) |
| 196 |
|
exposure *= exposval(s); |
| 197 |
< |
else |
| 197 |
> |
else if (isformat(s)) { |
| 198 |
> |
formatval(fmt, s); |
| 199 |
> |
wrongformat = strcmp(fmt, COLRFMT); |
| 200 |
> |
} else |
| 201 |
|
for (an = altname; *an != NULL; an++) |
| 202 |
|
if (!strncmp(*an, s, strlen(*an))) { |
| 203 |
|
if (sscanview(&ourview, s+strlen(*an)) > 0) |
| 209 |
|
|
| 210 |
|
init() /* get data and open window */ |
| 211 |
|
{ |
| 212 |
+ |
XWMHints ourxwmhints; |
| 213 |
|
XSetWindowAttributes ourwinattr; |
| 214 |
|
XSizeHints oursizhints; |
| 215 |
|
register int i; |
| 252 |
|
if (geometry != NULL) { |
| 253 |
|
bzero((char *)&oursizhints, sizeof(oursizhints)); |
| 254 |
|
i = XParseGeometry(geometry, &oursizhints.x, &oursizhints.y, |
| 255 |
< |
&oursizhints.width, &oursizhints.height); |
| 255 |
> |
(unsigned *)&oursizhints.width, |
| 256 |
> |
(unsigned *)&oursizhints.height); |
| 257 |
|
if ((i&(WidthValue|HeightValue)) == (WidthValue|HeightValue)) |
| 258 |
|
oursizhints.flags |= USSize; |
| 259 |
|
else { |
| 272 |
|
} |
| 273 |
|
XSetNormalHints(thedisplay, wind, &oursizhints); |
| 274 |
|
} |
| 275 |
+ |
ourxwmhints.flags = InputHint|IconPixmapHint; |
| 276 |
+ |
ourxwmhints.input = True; |
| 277 |
+ |
ourxwmhints.icon_pixmap = XCreateBitmapFromData(thedisplay, |
| 278 |
+ |
wind, icondata, iconwidth, iconheight); |
| 279 |
+ |
XSetWMHints(thedisplay, wind, &ourxwmhints); |
| 280 |
|
XSelectInput(thedisplay, wind, ButtonPressMask|ButtonReleaseMask |
| 281 |
|
|ButtonMotionMask|StructureNotifyMask |
| 282 |
|
|KeyPressMask|ExposureMask); |
| 326 |
|
if (ourras == NULL) |
| 327 |
|
goto fail; |
| 328 |
|
getmono(); |
| 329 |
< |
} else if (XMatchVisualInfo(thedisplay,ourscreen,24,TrueColor,&vinfo)) { |
| 329 |
> |
} else if (XMatchVisualInfo(thedisplay,ourscreen,24,TrueColor,&vinfo) |
| 330 |
> |
/* kludge for DirectColor */ |
| 331 |
> |
|| XMatchVisualInfo(thedisplay,ourscreen,24,DirectColor,&vinfo)) { |
| 332 |
|
ourdata = (unsigned char *)malloc(xmax*ymax*3); |
| 333 |
|
if (ourdata == NULL) |
| 334 |
|
goto fail; |
| 354 |
|
} |
| 355 |
|
return; |
| 356 |
|
fail: |
| 357 |
< |
quit("could not create raster image"); |
| 357 |
> |
quiterr("could not create raster image"); |
| 358 |
|
} |
| 359 |
|
|
| 360 |
|
|
| 428 |
|
sprintf(buf, "%.3f", intens(cval)/exposure); |
| 429 |
|
break; |
| 430 |
|
case 'l': /* luminance */ |
| 431 |
< |
sprintf(buf, "%.0fn", bright(cval)*683.0/exposure); |
| 431 |
> |
sprintf(buf, "%.0fL", luminance(cval)/exposure); |
| 432 |
|
break; |
| 433 |
|
case 'c': /* color */ |
| 434 |
|
comp = pow(2.0, (double)scale); |
| 463 |
|
XBell(thedisplay, 0); |
| 464 |
|
return(-1); |
| 465 |
|
} |
| 466 |
< |
viewray(rorg, rdir, &ourview, |
| 466 |
> |
if (viewray(rorg, rdir, &ourview, |
| 467 |
|
(ekey->x-xoff+.5)/xmax, |
| 468 |
< |
(ymax-1-ekey->y+yoff+.5)/ymax); |
| 468 |
> |
(ymax-1-ekey->y+yoff+.5)/ymax) < 0) |
| 469 |
> |
return(-1); |
| 470 |
|
printf("%e %e %e ", rorg[0], rorg[1], rorg[2]); |
| 471 |
|
printf("%e %e %e\n", rdir[0], rdir[1], rdir[2]); |
| 472 |
|
fflush(stdout); |
| 622 |
|
register unsigned char *dp; |
| 623 |
|
register int x, err; |
| 624 |
|
int y; |
| 604 |
– |
rgbpixel *inline; |
| 625 |
|
short *cerr; |
| 626 |
|
|
| 627 |
< |
if ((inline = (rgbpixel *)malloc(xmax*sizeof(rgbpixel))) == NULL |
| 628 |
< |
|| (cerr = (short *)calloc(xmax,sizeof(short))) == NULL) |
| 609 |
< |
quit("out of memory in getmono"); |
| 627 |
> |
if ((cerr = (short *)calloc(xmax,sizeof(short))) == NULL) |
| 628 |
> |
quiterr("out of memory in getmono"); |
| 629 |
|
dp = ourdata - 1; |
| 630 |
|
for (y = 0; y < ymax; y++) { |
| 631 |
< |
picreadline3(y, inline); |
| 631 |
> |
if (getscan(y) < 0) |
| 632 |
> |
quiterr("seek error in getmono"); |
| 633 |
> |
normcolrs(scanline, xmax, scale); |
| 634 |
> |
add2icon(y, scanline); |
| 635 |
|
err = 0; |
| 636 |
|
for (x = 0; x < xmax; x++) { |
| 637 |
|
if (!(x&7)) |
| 638 |
|
*++dp = 0; |
| 639 |
< |
err += rgb_bright(&inline[x]) + cerr[x]; |
| 639 |
> |
err += normbright(scanline[x]) + cerr[x]; |
| 640 |
|
if (err > 127) |
| 641 |
|
err -= 255; |
| 642 |
|
else |
| 644 |
|
cerr[x] = err >>= 1; |
| 645 |
|
} |
| 646 |
|
} |
| 625 |
– |
free((char *)inline); |
| 647 |
|
free((char *)cerr); |
| 648 |
|
} |
| 649 |
|
|
| 650 |
|
|
| 651 |
+ |
add2icon(y, scan) /* add a scanline to our icon data */ |
| 652 |
+ |
int y; |
| 653 |
+ |
COLR *scan; |
| 654 |
+ |
{ |
| 655 |
+ |
static char *dp = NULL; |
| 656 |
+ |
static short cerr[ICONSIZ]; |
| 657 |
+ |
register int err; |
| 658 |
+ |
register int x, xi; |
| 659 |
+ |
|
| 660 |
+ |
if (iconheight == 0) { /* initialize */ |
| 661 |
+ |
if (xmax <= ICONSIZ && ymax <= ICONSIZ) { |
| 662 |
+ |
iconwidth = xmax; |
| 663 |
+ |
iconheight = ymax; |
| 664 |
+ |
} else if (xmax > ymax) { |
| 665 |
+ |
iconwidth = ICONSIZ; |
| 666 |
+ |
iconheight = ICONSIZ*ymax/xmax; |
| 667 |
+ |
} else { |
| 668 |
+ |
iconwidth = ICONSIZ*xmax/ymax; |
| 669 |
+ |
iconheight = ICONSIZ; |
| 670 |
+ |
} |
| 671 |
+ |
dp = icondata - 1; |
| 672 |
+ |
} |
| 673 |
+ |
if (dp == NULL) /* done already */ |
| 674 |
+ |
return; |
| 675 |
+ |
if (y % (ymax/iconheight)) /* skip this one */ |
| 676 |
+ |
return; |
| 677 |
+ |
err = 0; |
| 678 |
+ |
for (x = 0; x < iconwidth; x++) { |
| 679 |
+ |
if (!(x&7)) |
| 680 |
+ |
*++dp = 0; |
| 681 |
+ |
xi = x*xmax/iconwidth; |
| 682 |
+ |
err += normbright(scan[xi]) + cerr[x]; |
| 683 |
+ |
if (err > 127) |
| 684 |
+ |
err -= 255; |
| 685 |
+ |
else |
| 686 |
+ |
*dp |= 1<<(x&07); |
| 687 |
+ |
cerr[x] = err >>= 1; |
| 688 |
+ |
} |
| 689 |
+ |
if (y >= ymax - ymax/iconheight) /* all done */ |
| 690 |
+ |
dp = NULL; |
| 691 |
+ |
} |
| 692 |
+ |
|
| 693 |
+ |
|
| 694 |
|
getfull() /* get full (24-bit) data */ |
| 695 |
|
{ |
| 696 |
|
int y; |
| 697 |
< |
|
| 698 |
< |
for (y = 0; y < ymax; y++) |
| 699 |
< |
picreadline3(y, (rgbpixel *)(ourdata+y*xmax*3)); |
| 697 |
> |
register unsigned char *dp; |
| 698 |
> |
register int x; |
| 699 |
> |
/* set gamma correction */ |
| 700 |
> |
setcolrgam(gamcor); |
| 701 |
> |
/* read and convert file */ |
| 702 |
> |
dp = ourdata; |
| 703 |
> |
for (y = 0; y < ymax; y++) { |
| 704 |
> |
if (getscan(y) < 0) |
| 705 |
> |
quiterr("seek error in getfull"); |
| 706 |
> |
if (scale) |
| 707 |
> |
shiftcolrs(scanline, xmax, scale); |
| 708 |
> |
colrs_gambs(scanline, xmax); |
| 709 |
> |
add2icon(y, scanline); |
| 710 |
> |
for (x = 0; x < xmax; x++) { |
| 711 |
> |
*dp++ = scanline[x][RED]; |
| 712 |
> |
*dp++ = scanline[x][GRN]; |
| 713 |
> |
*dp++ = scanline[x][BLU]; |
| 714 |
> |
} |
| 715 |
> |
} |
| 716 |
|
} |
| 717 |
|
|
| 718 |
|
|
| 751 |
|
if (scanpos == NULL || scanpos[y] == -1) |
| 752 |
|
return(-1); |
| 753 |
|
if (fseek(fin, scanpos[y], 0) == -1) |
| 754 |
< |
quit("fseek error"); |
| 754 |
> |
quiterr("fseek error"); |
| 755 |
|
cury = y; |
| 756 |
|
} else if (scanpos != NULL) |
| 757 |
|
scanpos[y] = ftell(fin); |
| 774 |
|
quiterr("cannot seek for picreadline"); |
| 775 |
|
/* convert scanline */ |
| 776 |
|
normcolrs(scanline, xmax, scale); |
| 777 |
+ |
add2icon(y, scanline); |
| 778 |
|
for (i = 0; i < xmax; i++) { |
| 779 |
|
l3[i].r = scanline[i][RED]; |
| 780 |
|
l3[i].g = scanline[i][GRN]; |
| 798 |
|
register int i, val; |
| 799 |
|
|
| 800 |
|
for (i = 0; i < 256; i++) { |
| 801 |
< |
val = pow(i/256.0, 1.0/gamcor) * 256.0; |
| 801 |
> |
val = pow((i+0.5)/256.0, 1.0/gamcor) * 256.0; |
| 802 |
|
map[0][i] = map[1][i] = map[2][i] = val; |
| 803 |
|
} |
| 804 |
|
} |