58 |
|
int xoff = 0; /* x image offset */ |
59 |
|
int yoff = 0; /* y image offset */ |
60 |
|
|
61 |
< |
VIEW ourview = STDVIEW(0); /* image view parameters */ |
61 |
> |
VIEW ourview = STDVIEW; /* image view parameters */ |
62 |
|
int gotview = 0; /* got parameters from file */ |
63 |
|
|
64 |
|
COLR *scanline; /* scan line buffer */ |
72 |
|
|
73 |
|
double exposure = 1.0; /* exposure compensation used */ |
74 |
|
|
75 |
+ |
int wrongformat = 0; /* input in another format */ |
76 |
+ |
|
77 |
|
struct { |
78 |
|
int xmin, ymin, xsiz, ysiz; |
79 |
|
} box = {0, 0, 0, 0}; /* current box */ |
143 |
|
} |
144 |
|
} |
145 |
|
/* get header */ |
146 |
< |
getheader(fin, headline); |
146 |
> |
getheader(fin, headline, NULL); |
147 |
|
/* get picture dimensions */ |
148 |
< |
if (fgetresolu(&xmax, &ymax, fin) != (YMAJOR|YDECR)) |
148 |
> |
if (wrongformat || fgetresolu(&xmax, &ymax, fin) != (YMAJOR|YDECR)) |
149 |
|
quiterr("bad picture size"); |
150 |
|
/* set view parameters */ |
151 |
< |
if (gotview) { |
152 |
< |
ourview.hresolu = xmax; |
151 |
< |
ourview.vresolu = ymax; |
152 |
< |
if (setview(&ourview) != NULL) |
153 |
< |
gotview = 0; |
154 |
< |
} |
151 |
> |
if (gotview && setview(&ourview) != NULL) |
152 |
> |
gotview = 0; |
153 |
|
if ((scanline = (COLR *)malloc(xmax*sizeof(COLR))) == NULL) |
154 |
|
quiterr("out of memory"); |
155 |
|
|
170 |
|
{ |
171 |
|
static char *altname[] = {"rview","rpict",VIEWSTR,NULL}; |
172 |
|
register char **an; |
173 |
+ |
char fmt[32]; |
174 |
|
|
175 |
|
if (isexpos(s)) |
176 |
|
exposure *= exposval(s); |
177 |
< |
else |
177 |
> |
else if (isformat(s)) { |
178 |
> |
formatval(fmt, s); |
179 |
> |
wrongformat = strcmp(fmt, COLRFMT); |
180 |
> |
} else |
181 |
|
for (an = altname; *an != NULL; an++) |
182 |
|
if (!strncmp(*an, s, strlen(*an))) { |
183 |
< |
if (sscanview(&ourview, s+strlen(*an)) == 0) |
183 |
> |
if (sscanview(&ourview, s+strlen(*an)) > 0) |
184 |
|
gotview++; |
185 |
|
return; |
186 |
|
} |
293 |
|
} |
294 |
|
return; |
295 |
|
memerr: |
296 |
< |
quit("out of memory"); |
296 |
> |
quiterr("out of memory"); |
297 |
|
} |
298 |
|
|
299 |
|
|
379 |
|
sprintf(buf, "%.3f", intens(cval)/exposure); |
380 |
|
break; |
381 |
|
case 'l': /* luminance */ |
382 |
< |
sprintf(buf, "%.0fn", bright(cval)*683.0/exposure); |
382 |
> |
sprintf(buf, "%.0fL", luminance(cval)/exposure); |
383 |
|
break; |
384 |
|
case 'c': /* color */ |
385 |
|
comp = pow(2.0, (double)scale); |
413 |
|
XFeep(0); |
414 |
|
return(-1); |
415 |
|
} |
416 |
< |
rayview(rorg, rdir, &ourview, |
417 |
< |
ekey->x-xoff + .5, ymax-1-ekey->y+yoff + .5); |
416 |
> |
if (viewray(rorg, rdir, &ourview, (ekey->x-xoff+.5)/xmax, |
417 |
> |
(ymax-1-ekey->y+yoff+.5)/ymax) < 0) |
418 |
> |
return(-1); |
419 |
|
printf("%e %e %e ", rorg[0], rorg[1], rorg[2]); |
420 |
|
printf("%e %e %e\n", rdir[0], rdir[1], rdir[2]); |
421 |
|
fflush(stdout); |
549 |
|
register unsigned short *dp; |
550 |
|
register int x, err; |
551 |
|
int y; |
552 |
< |
rgbpixel *inline; |
552 |
> |
rgbpixel *inl; |
553 |
|
short *cerr; |
554 |
|
|
555 |
< |
if ((inline = (rgbpixel *)malloc(xmax*sizeof(rgbpixel))) == NULL |
555 |
> |
if ((inl = (rgbpixel *)malloc(xmax*sizeof(rgbpixel))) == NULL |
556 |
|
|| (cerr = (short *)calloc(xmax,sizeof(short))) == NULL) |
557 |
< |
quit("out of memory in getmono"); |
557 |
> |
quiterr("out of memory in getmono"); |
558 |
|
dp = ourras->data.m - 1; |
559 |
|
for (y = 0; y < ymax; y++) { |
560 |
< |
picreadline3(y, inline); |
560 |
> |
picreadline3(y, inl); |
561 |
|
err = 0; |
562 |
|
for (x = 0; x < xmax; x++) { |
563 |
|
if (!(x&0xf)) |
564 |
|
*++dp = 0; |
565 |
< |
err += rgb_bright(&inline[x]) + cerr[x]; |
565 |
> |
err += rgb_bright(&inl[x]) + cerr[x]; |
566 |
|
if (err > 127) |
567 |
|
err -= 255; |
568 |
|
else |
570 |
|
cerr[x] = err >>= 1; |
571 |
|
} |
572 |
|
} |
573 |
< |
free((char *)inline); |
573 |
> |
free((char *)inl); |
574 |
|
free((char *)cerr); |
575 |
|
} |
576 |
|
|
641 |
|
if (scanpos == NULL || scanpos[y] == -1) |
642 |
|
return(-1); |
643 |
|
if (fseek(fin, scanpos[y], 0) == -1) |
644 |
< |
quit("fseek error"); |
644 |
> |
quiterr("fseek error"); |
645 |
|
cury = y; |
646 |
|
} else if (scanpos != NULL) |
647 |
|
scanpos[y] = ftell(fin); |
663 |
|
if (getscan(y) < 0) |
664 |
|
quiterr("cannot seek for picreadline"); |
665 |
|
/* convert scanline */ |
666 |
< |
if (scale) |
664 |
< |
for (i = 0; i < xmax; i++) |
665 |
< |
if (scanline[i][EXP]) |
666 |
< |
scanline[i][EXP] += scale; |
667 |
< |
normcolrs(scanline, xmax); |
666 |
> |
normcolrs(scanline, xmax, scale); |
667 |
|
for (i = 0; i < xmax; i++) { |
668 |
|
l3[i].r = scanline[i][RED]; |
669 |
|
l3[i].g = scanline[i][GRN]; |
676 |
|
int y; |
677 |
|
pixel *l; |
678 |
|
{ |
679 |
< |
bcopy(l, ourras->data.bz+BZPixmapSize(xmax,y), BZPixmapSize(xmax,1)); |
679 |
> |
bcopy((char *)l, (char *)ourras->data.bz+BZPixmapSize(xmax,y), BZPixmapSize(xmax,1)); |
680 |
|
} |
681 |
|
|
682 |
|
|
687 |
|
register int i, val; |
688 |
|
|
689 |
|
for (i = 0; i < 256; i++) { |
690 |
< |
val = pow(i/256.0, 1.0/gamcor) * 256.0; |
690 |
> |
val = pow((i+0.5)/256.0, 1.0/gamcor) * 256.0; |
691 |
|
map[0][i] = map[1][i] = map[2][i] = val; |
692 |
|
} |
693 |
|
} |