| 4 |
|
static char SCCSid[] = "$SunId$ LBL"; |
| 5 |
|
#endif |
| 6 |
|
|
| 7 |
– |
/* Copyright (c) 1992 Regents of the University of California */ |
| 8 |
– |
|
| 9 |
– |
#ifndef lint |
| 10 |
– |
static char SCCSid[] = "$SunId$ LBL"; |
| 11 |
– |
#endif |
| 12 |
– |
|
| 7 |
|
/* |
| 8 |
|
* Radiance picture to PostScript file translator -- one way! |
| 9 |
|
*/ |
| 10 |
|
|
| 11 |
|
#include <stdio.h> |
| 12 |
+ |
#ifdef MSDOS |
| 13 |
+ |
#include <fcntl.h> |
| 14 |
+ |
#endif |
| 15 |
|
#include "color.h" |
| 16 |
|
#include "random.h" |
| 17 |
|
|
| 24 |
|
"0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ@+"; |
| 25 |
|
|
| 26 |
|
int wrongformat = 0; /* input in wrong format? */ |
| 27 |
< |
double pixaspect = 1.0; /* pixel aspect ratio */ |
| 27 |
> |
double pixaspect = 1.0; /* pixel aspect ratio */ |
| 28 |
|
|
| 29 |
|
int bradj = 0; /* brightness adjustment */ |
| 30 |
+ |
int ncopies = 1; /* number of copies */ |
| 31 |
|
|
| 32 |
|
char *progname; |
| 33 |
|
|
| 34 |
|
int xmax, ymax; |
| 35 |
|
|
| 36 |
+ |
extern char *malloc(); |
| 37 |
|
|
| 38 |
+ |
|
| 39 |
|
headline(s) /* check header line */ |
| 40 |
|
char *s; |
| 41 |
|
{ |
| 65 |
|
goto userr; |
| 66 |
|
bradj = atoi(argv[++i]); |
| 67 |
|
break; |
| 68 |
+ |
case 'n': /* number of copies */ |
| 69 |
+ |
ncopies = atoi(argv[++i]); |
| 70 |
+ |
break; |
| 71 |
|
default: |
| 72 |
|
goto userr; |
| 73 |
|
} |
| 86 |
|
progname, argv[i+1]); |
| 87 |
|
exit(1); |
| 88 |
|
} |
| 89 |
+ |
#ifdef MSDOS |
| 90 |
+ |
setmode(fileno(stdin), O_BINARY); |
| 91 |
+ |
#endif |
| 92 |
|
/* get our header */ |
| 93 |
|
getheader(stdin, headline, NULL); |
| 94 |
|
if (wrongformat || fgetresolu(&xmax, &ymax, stdin) < 0) |
| 121 |
|
char *name; |
| 122 |
|
{ |
| 123 |
|
int landscape = 0; |
| 124 |
< |
double pwidth, pheight; |
| 124 |
> |
double pwidth, pheight; |
| 125 |
> |
double iwidth, iheight; |
| 126 |
|
|
| 127 |
|
printf("%%!\n"); |
| 128 |
|
printf("%%%%Title: %s\n", name); |
| 129 |
|
printf("%%%%Creator: %s\n", progname); |
| 130 |
< |
printf("%%%%Pages: 1\n"); |
| 130 |
> |
printf("%%%%Pages: %d\n", ncopies); |
| 131 |
|
if (landscape = xmax > pixaspect*ymax) |
| 132 |
|
printf("%%%%Landscape\n"); |
| 133 |
|
else |
| 134 |
|
printf("%%%%Portrait\n"); |
| 135 |
|
printf("%%%%EndComments\n"); |
| 129 |
– |
printf("gsave\n"); |
| 136 |
|
printf("64 dict begin\n"); |
| 137 |
+ |
/* define image reader */ |
| 138 |
+ |
PSprocdef("read6bit"); |
| 139 |
|
/* set up transformation matrix */ |
| 140 |
< |
printf("%f %f translate 1 -1 scale\n", HMARGIN, VMARGIN+PHEIGHT); |
| 140 |
> |
printf("%f %f translate\n", HMARGIN, VMARGIN); |
| 141 |
|
if (PWIDTH > PHEIGHT ^ landscape) { |
| 142 |
|
printf("0 %f translate\n", PHEIGHT); |
| 143 |
< |
printf("90 rotate\n"); |
| 143 |
> |
printf("-90 rotate\n"); |
| 144 |
|
pwidth = PHEIGHT; |
| 145 |
|
pheight = PWIDTH; |
| 146 |
|
} else { |
| 148 |
|
pheight = PHEIGHT; |
| 149 |
|
} |
| 150 |
|
if (pheight/pwidth > pixaspect*ymax/xmax) { |
| 151 |
< |
printf("%f %f matrix scale\n", pwidth/xmax, |
| 152 |
< |
pixaspect*pwidth/xmax); |
| 145 |
< |
printf("0 %f matrix translate\n", |
| 146 |
< |
.5*(pheight-pwidth*pixaspect*ymax/xmax)); |
| 151 |
> |
iwidth = pwidth; |
| 152 |
> |
iheight = pwidth*pixaspect*ymax/xmax; |
| 153 |
|
} else { |
| 154 |
< |
printf("%f %f matrix scale\n", pheight/(ymax*pixaspect), |
| 155 |
< |
pheight/ymax); |
| 150 |
< |
printf("%f 0 matrix translate\n", |
| 151 |
< |
.5*(pwidth-pheight*xmax/(ymax*pixaspect))); |
| 154 |
> |
iheight = pheight; |
| 155 |
> |
iwidth = pheight*xmax/(pixaspect*ymax); |
| 156 |
|
} |
| 157 |
< |
printf("matrix concatmatrix /imat exch def\n"); |
| 158 |
< |
PSprocdef("read6bit"); |
| 157 |
> |
printf("%f %f translate\n", (pwidth-iwidth)*.5, (pheight-iheight)*.5); |
| 158 |
> |
printf("%f %f scale\n", iwidth, iheight); |
| 159 |
|
printf("%%%%EndProlog\n"); |
| 160 |
< |
printf("%d %d 8 imat {read6bit} image", xmax, ymax); |
| 160 |
> |
/* start image procedure */ |
| 161 |
> |
printf("%d %d 8 [%d 0 0 %d 0 %d] {read6bit} image", xmax, ymax, |
| 162 |
> |
xmax, -ymax, ymax); |
| 163 |
|
} |
| 164 |
|
|
| 165 |
|
|
| 166 |
|
PStrailer() /* print PostScript trailer */ |
| 167 |
|
{ |
| 168 |
|
puts("%%Trailer"); |
| 169 |
< |
puts("end"); |
| 169 |
> |
if (ncopies > 1) |
| 170 |
> |
printf("/#copies %d def\n", ncopies); |
| 171 |
|
puts("showpage"); |
| 172 |
< |
puts("grestore"); |
| 172 |
> |
puts("end"); |
| 173 |
|
puts("%%EOF"); |
| 174 |
|
} |
| 175 |
|
|
| 179 |
|
{ |
| 180 |
|
short itab[128]; |
| 181 |
|
register int i; |
| 182 |
< |
|
| 183 |
< |
for (i = 0; i < 128; i++) |
| 182 |
> |
/* assign code values */ |
| 183 |
> |
for (i = 0; i < 128; i++) /* clear */ |
| 184 |
|
itab[i] = -1; |
| 185 |
< |
for (i = 0; i < 64; i++) |
| 185 |
> |
for (i = 1; i < 63; i++) /* assign greys */ |
| 186 |
|
itab[code[i]] = i<<2 | 2; |
| 187 |
+ |
itab[code[0]] = 0; /* black is black */ |
| 188 |
+ |
itab[code[63]] = 255; /* and white is white */ |
| 189 |
|
printf("/decode ["); |
| 190 |
|
for (i = 0; i < 128; i++) { |
| 191 |
|
if (!(i & 0xf)) |
| 217 |
|
for (y = ymax-1; y >= 0; y--) { |
| 218 |
|
if (freadcolrs(scanin, xmax, stdin) < 0) |
| 219 |
|
quiterr("error reading Radiance picture"); |
| 220 |
< |
normcolrs(scanin, xmax, bradj); /* normalize */ |
| 220 |
> |
normcolrs(scanin, xmax, bradj); /* normalize */ |
| 221 |
|
for (x = 0; x < xmax; x++) { |
| 222 |
|
if (!(col++ & 0x3f)) |
| 223 |
|
putchar('\n'); |
