| 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; |
| 246 |
|
XSetFont(thedisplay, ourgc, fontid); |
| 247 |
|
revgc = XCreateGC(thedisplay, wind, 0, 0); |
| 248 |
|
XSetFunction(thedisplay, revgc, GXinvert); |
| 237 |
– |
XStoreName(thedisplay, wind, fname == NULL ? progname : fname); |
| 249 |
|
XDefineCursor(thedisplay, wind, XCreateFontCursor(thedisplay, |
| 250 |
|
XC_diamond_cross)); |
| 251 |
+ |
XStoreName(thedisplay, wind, fname == NULL ? progname : fname); |
| 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); |
| 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); |
| 621 |
|
{ |
| 622 |
|
register unsigned char *dp; |
| 623 |
|
register int x, err; |
| 624 |
< |
int y; |
| 624 |
> |
int y, errp; |
| 625 |
|
short *cerr; |
| 626 |
|
|
| 627 |
|
if ((cerr = (short *)calloc(xmax,sizeof(short))) == NULL) |
| 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 |
+ |
errp = err; |
| 640 |
|
err += normbright(scanline[x]) + cerr[x]; |
| 641 |
|
if (err > 127) |
| 642 |
|
err -= 255; |
| 643 |
|
else |
| 644 |
|
*dp |= 1<<(7-(x&07)); |
| 645 |
< |
cerr[x] = err >>= 1; |
| 645 |
> |
err /= 3; |
| 646 |
> |
cerr[x] = err + errp; |
| 647 |
|
} |
| 648 |
|
} |
| 649 |
|
free((char *)cerr); |
| 650 |
|
} |
| 651 |
|
|
| 652 |
|
|
| 653 |
+ |
add2icon(y, scan) /* add a scanline to our icon data */ |
| 654 |
+ |
int y; |
| 655 |
+ |
COLR *scan; |
| 656 |
+ |
{ |
| 657 |
+ |
static short cerr[ICONSIZ]; |
| 658 |
+ |
static int ynext; |
| 659 |
+ |
static char *dp; |
| 660 |
+ |
register int err; |
| 661 |
+ |
register int x, ti; |
| 662 |
+ |
int errp; |
| 663 |
+ |
|
| 664 |
+ |
if (iconheight == 0) { /* initialize */ |
| 665 |
+ |
if (xmax <= ICONSIZ && ymax <= ICONSIZ) { |
| 666 |
+ |
iconwidth = xmax; |
| 667 |
+ |
iconheight = ymax; |
| 668 |
+ |
} else if (xmax > ymax) { |
| 669 |
+ |
iconwidth = ICONSIZ; |
| 670 |
+ |
iconheight = ICONSIZ*ymax/xmax; |
| 671 |
+ |
if (iconheight < 1) |
| 672 |
+ |
iconheight = 1; |
| 673 |
+ |
} else { |
| 674 |
+ |
iconwidth = ICONSIZ*xmax/ymax; |
| 675 |
+ |
if (iconwidth < 1) |
| 676 |
+ |
iconwidth = 1; |
| 677 |
+ |
iconheight = ICONSIZ; |
| 678 |
+ |
} |
| 679 |
+ |
ynext = 0; |
| 680 |
+ |
dp = icondata - 1; |
| 681 |
+ |
} |
| 682 |
+ |
if (y < ynext*ymax/iconheight) /* skip this one */ |
| 683 |
+ |
return; |
| 684 |
+ |
err = 0; |
| 685 |
+ |
for (x = 0; x < iconwidth; x++) { |
| 686 |
+ |
if (!(x&7)) |
| 687 |
+ |
*++dp = 0; |
| 688 |
+ |
errp = err; |
| 689 |
+ |
ti = x*xmax/iconwidth; |
| 690 |
+ |
err += normbright(scan[ti]) + cerr[x]; |
| 691 |
+ |
if (err > 127) |
| 692 |
+ |
err -= 255; |
| 693 |
+ |
else |
| 694 |
+ |
*dp |= 1<<(x&07); |
| 695 |
+ |
err /= 3; |
| 696 |
+ |
cerr[x] = err + errp; |
| 697 |
+ |
} |
| 698 |
+ |
ynext++; |
| 699 |
+ |
} |
| 700 |
+ |
|
| 701 |
+ |
|
| 702 |
|
getfull() /* get full (24-bit) data */ |
| 703 |
|
{ |
| 704 |
|
int y; |
| 714 |
|
if (scale) |
| 715 |
|
shiftcolrs(scanline, xmax, scale); |
| 716 |
|
colrs_gambs(scanline, xmax); |
| 717 |
+ |
add2icon(y, scanline); |
| 718 |
|
for (x = 0; x < xmax; x++) { |
| 719 |
|
*dp++ = scanline[x][RED]; |
| 720 |
|
*dp++ = scanline[x][GRN]; |
| 782 |
|
quiterr("cannot seek for picreadline"); |
| 783 |
|
/* convert scanline */ |
| 784 |
|
normcolrs(scanline, xmax, scale); |
| 785 |
+ |
add2icon(y, scanline); |
| 786 |
|
for (i = 0; i < xmax; i++) { |
| 787 |
|
l3[i].r = scanline[i][RED]; |
| 788 |
|
l3[i].g = scanline[i][GRN]; |
| 806 |
|
register int i, val; |
| 807 |
|
|
| 808 |
|
for (i = 0; i < 256; i++) { |
| 809 |
< |
val = pow(i/256.0, 1.0/gamcor) * 256.0; |
| 809 |
> |
val = pow((i+0.5)/256.0, 1.0/gamcor) * 256.0; |
| 810 |
|
map[0][i] = map[1][i] = map[2][i] = val; |
| 811 |
|
} |
| 812 |
|
} |