1 |
< |
/* Copyright (c) 1992 Regents of the University of California */ |
1 |
> |
/* Copyright (c) 1997 Silicon Graphics, Inc. */ |
2 |
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|
3 |
|
#ifndef lint |
4 |
< |
static char SCCSid[] = "$SunId$ LBL"; |
4 |
> |
static char SCCSid[] = "$SunId$ SGI"; |
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 |
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/* |
8 |
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* Radiance picture to PostScript file translator -- one way! |
9 |
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*/ |
10 |
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|
11 |
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#include <stdio.h> |
12 |
+ |
#include <math.h> |
13 |
+ |
#include <ctype.h> |
14 |
+ |
#ifdef MSDOS |
15 |
+ |
#include <fcntl.h> |
16 |
+ |
#endif |
17 |
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#include "color.h" |
19 |
– |
#include "random.h" |
18 |
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|
19 |
< |
#define HMARGIN (.5*72) /* horizontal margin */ |
22 |
< |
#define VMARGIN (.5*72) /* vertical margin */ |
23 |
< |
#define PWIDTH (8.5*72-2*HMARGIN) /* width of device */ |
24 |
< |
#define PHEIGHT (11*72-2*VMARGIN) /* height of device */ |
19 |
> |
#define UPPER(c) ((c)&~0x20) /* ASCII trick */ |
20 |
|
|
21 |
+ |
#define CODE6GAM 1.47 /* gamma for 6-bit codes */ |
22 |
+ |
#define DEFDGAM 1.0 /* default device gamma */ |
23 |
+ |
|
24 |
+ |
#define GRY -1 /* artificial index for grey */ |
25 |
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|
26 |
+ |
#define DEFMARG 0.5 /* default margin (inches) */ |
27 |
+ |
#define DEFWIDTH 8.5 /* default page width */ |
28 |
+ |
#define DEFHEIGHT 11 /* default page height */ |
29 |
+ |
#define HMARGIN (hmarg*72) /* horizontal margin */ |
30 |
+ |
#define VMARGIN (vmarg*72) /* vertical margin */ |
31 |
+ |
#define PWIDTH (width*72-2*HMARGIN) /* width of device */ |
32 |
+ |
#define PHEIGHT (height*72-2*VMARGIN) /* height of device */ |
33 |
+ |
|
34 |
+ |
#define RUNCHR '*' /* character to start rle */ |
35 |
+ |
#define MINRUN 4 /* minimum run-length */ |
36 |
+ |
#define RSTRT '!' /* character for MINRUN */ |
37 |
+ |
#define MAXRUN (MINRUN+'~'-RSTRT) /* maximum run-length */ |
38 |
+ |
|
39 |
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char code[] = /* 6-bit code lookup table */ |
40 |
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"0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ@+"; |
41 |
|
|
42 |
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int wrongformat = 0; /* input in wrong format? */ |
43 |
< |
double pixaspect = 1.0; /* pixel aspect ratio */ |
43 |
> |
double pixaspect = 1.0; /* pixel aspect ratio */ |
44 |
|
|
45 |
+ |
double devgam = DEFDGAM; /* device gamma response */ |
46 |
+ |
double hmarg = DEFMARG, |
47 |
+ |
vmarg = DEFMARG; /* horizontal and vertical margins */ |
48 |
+ |
double width = DEFWIDTH, |
49 |
+ |
height = DEFHEIGHT; /* default paper width and height */ |
50 |
+ |
int docolor = 0; /* produce color image? */ |
51 |
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int bradj = 0; /* brightness adjustment */ |
52 |
+ |
int ncopies = 1; /* number of copies */ |
53 |
|
|
54 |
+ |
extern int Aputprim(), Bputprim(), Cputprim(); |
55 |
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|
56 |
+ |
int (*putprim)() = Aputprim; /* function for writing scanline */ |
57 |
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|
58 |
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char *progname; |
59 |
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|
60 |
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int xmax, ymax; |
61 |
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|
62 |
+ |
extern char *malloc(); |
63 |
+ |
extern double unit2inch(); |
64 |
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|
65 |
+ |
|
66 |
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headline(s) /* check header line */ |
67 |
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char *s; |
68 |
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{ |
81 |
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char *argv[]; |
82 |
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{ |
83 |
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int i; |
84 |
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double d; |
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|
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progname = argv[0]; |
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|
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for (i = 1; i < argc; i++) |
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if (argv[i][0] == '-') |
90 |
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switch (argv[i][1]) { |
91 |
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case 'b': /* produce b&w PostScript */ |
92 |
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docolor = 0; |
93 |
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break; |
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case 'c': /* produce color PostScript */ |
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docolor = 1; |
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break; |
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case 'A': /* standard ASCII encoding */ |
98 |
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putprim = Aputprim; |
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break; |
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case 'B': /* standard binary encoding */ |
101 |
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putprim = Bputprim; |
102 |
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break; |
103 |
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case 'C': /* compressed ASCII encoding */ |
104 |
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putprim = Cputprim; |
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break; |
106 |
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case 'g': /* device gamma adjustment */ |
107 |
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devgam = atof(argv[++i]); |
108 |
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break; |
109 |
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case 'p': /* paper size */ |
110 |
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parsepaper(argv[++i]); |
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break; |
112 |
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case 'm': /* margin */ |
113 |
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d = atof(argv[i+1]); |
114 |
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d *= unit2inch(argv[i+1]); |
115 |
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switch (argv[i][2]) { |
116 |
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case '\0': |
117 |
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hmarg = vmarg = d; |
118 |
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break; |
119 |
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case 'h': |
120 |
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hmarg = d; |
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break; |
122 |
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case 'v': |
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vmarg = d; |
124 |
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break; |
125 |
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default: |
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goto userr; |
127 |
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} |
128 |
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i++; |
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break; |
130 |
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case 'e': /* exposure adjustment */ |
131 |
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if (argv[i+1][0] != '+' && argv[i+1][0] != '-') |
132 |
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goto userr; |
133 |
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bradj = atoi(argv[++i]); |
134 |
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break; |
135 |
+ |
case 'n': /* number of copies */ |
136 |
+ |
ncopies = atoi(argv[++i]); |
137 |
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break; |
138 |
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default: |
139 |
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goto userr; |
140 |
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} |
149 |
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exit(1); |
150 |
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} |
151 |
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if (i == argc-2 && freopen(argv[i+1], "w", stdout) == NULL) { |
152 |
< |
fprintf(stderr, "can't open output \"%s\"\n", |
152 |
> |
fprintf(stderr, "%s: can't open output \"%s\"\n", |
153 |
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progname, argv[i+1]); |
154 |
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exit(1); |
155 |
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} |
156 |
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#ifdef MSDOS |
157 |
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setmode(fileno(stdin), O_BINARY); |
158 |
+ |
#endif |
159 |
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/* get our header */ |
160 |
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getheader(stdin, headline, NULL); |
161 |
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if (wrongformat || fgetresolu(&xmax, &ymax, stdin) < 0) |
162 |
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quiterr("bad picture format"); |
163 |
+ |
/* gamma compression */ |
164 |
+ |
if (putprim == Cputprim) |
165 |
+ |
setcolrgam(CODE6GAM); |
166 |
+ |
else if (devgam != 1.) |
167 |
+ |
setcolrgam(devgam); |
168 |
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/* write header */ |
169 |
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PSheader(i <= argc-1 ? argv[i] : "<stdin>"); |
170 |
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/* convert file */ |
173 |
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PStrailer(); |
174 |
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exit(0); |
175 |
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userr: |
176 |
< |
fprintf(stderr, "Usage: %s [-e +/-stops] [input [output]]\n", progname); |
176 |
> |
fprintf(stderr, |
177 |
> |
"Usage: %s [-b|c][-A|B|C][-e +/-stops][-p paper][-m[h|v] margin][-g gamma] [input [output]]\n", |
178 |
> |
progname); |
179 |
|
exit(1); |
180 |
|
} |
181 |
|
|
182 |
|
|
183 |
+ |
double |
184 |
+ |
unit2inch(s) /* determine unit */ |
185 |
+ |
register char *s; |
186 |
+ |
{ |
187 |
+ |
static struct unit {char n; float f} u[] = { |
188 |
+ |
'i', 1., |
189 |
+ |
'm', 1./25.4, |
190 |
+ |
'c', 1./2.54, |
191 |
+ |
'\0' }; |
192 |
+ |
register struct unit *up; |
193 |
+ |
|
194 |
+ |
while (*s && !isalpha(*s)) |
195 |
+ |
s++; |
196 |
+ |
for (up = u; up->n; up++) |
197 |
+ |
if (up->n == *s) |
198 |
+ |
return(up->f); |
199 |
+ |
return(1.); |
200 |
+ |
} |
201 |
+ |
|
202 |
+ |
|
203 |
+ |
int |
204 |
+ |
matchid(name, id) /* see if name matches id (case insensitive) */ |
205 |
+ |
char *name; |
206 |
+ |
register char *id; |
207 |
+ |
{ |
208 |
+ |
register char *s = name; |
209 |
+ |
|
210 |
+ |
while (*s) { |
211 |
+ |
if (isalpha(*s)) { |
212 |
+ |
if (!isalpha(*id) || UPPER(*s) != UPPER(*id)) |
213 |
+ |
return(0); |
214 |
+ |
} else if (*s != *id) |
215 |
+ |
return(0); |
216 |
+ |
s++; id++; |
217 |
+ |
} |
218 |
+ |
return(!*id || s-name >= 3); /* substrings >= 3 chars OK */ |
219 |
+ |
} |
220 |
+ |
|
221 |
+ |
|
222 |
+ |
parsepaper(ps) /* determine paper size from name */ |
223 |
+ |
char *ps; |
224 |
+ |
{ |
225 |
+ |
static struct psize {char n[12]; float w,h;} p[] = { |
226 |
+ |
"envelope", 4.12, 9.5, |
227 |
+ |
"executive", 7.25, 10.5, |
228 |
+ |
"letter", 8.5, 11., |
229 |
+ |
"lettersmall", 7.68, 10.16, |
230 |
+ |
"legal", 8.5, 14., |
231 |
+ |
"monarch", 3.87, 7.5, |
232 |
+ |
"statement", 5.5, 8.5, |
233 |
+ |
"tabloid", 11., 17., |
234 |
+ |
"A3", 11.69, 16.54, |
235 |
+ |
"A4", 8.27, 11.69, |
236 |
+ |
"A4small", 7.47, 10.85, |
237 |
+ |
"A5", 6.00, 8.27, |
238 |
+ |
"A6", 4.13, 6.00, |
239 |
+ |
"B4", 10.12, 14.33, |
240 |
+ |
"B5", 7.17, 10.12, |
241 |
+ |
"C5", 6.38, 9.01, |
242 |
+ |
"C6", 4.49, 6.38, |
243 |
+ |
"DL", 4.33, 8.66, |
244 |
+ |
"hagaki", 3.94, 5.83, |
245 |
+ |
"" }; |
246 |
+ |
register struct psize *pp; |
247 |
+ |
register char *s = ps; |
248 |
+ |
double d; |
249 |
+ |
|
250 |
+ |
if (isdigit(*s)) { /* check for WWxHH specification */ |
251 |
+ |
width = atof(s); |
252 |
+ |
while (*s && !isalpha(*s)) |
253 |
+ |
s++; |
254 |
+ |
d = unit2inch(s); |
255 |
+ |
height = atof(++s); |
256 |
+ |
width *= d; |
257 |
+ |
height *= d; |
258 |
+ |
if (width >= 1. & height >= 1.) |
259 |
+ |
return; |
260 |
+ |
} else /* check for match to standard size */ |
261 |
+ |
for (pp = p; pp->n[0]; pp++) |
262 |
+ |
if (matchid(s, pp->n)) { |
263 |
+ |
width = pp->w; |
264 |
+ |
height = pp->h; |
265 |
+ |
return; |
266 |
+ |
} |
267 |
+ |
fprintf(stderr, "%s: unknown paper size \"%s\" -- known sizes:\n", |
268 |
+ |
progname, ps); |
269 |
+ |
fprintf(stderr, "_Name________Width_Height_(inches)\n"); |
270 |
+ |
for (pp = p; pp->n[0]; pp++) |
271 |
+ |
fprintf(stderr, "%-11s %5.2f %5.2f\n", pp->n, pp->w, pp->h); |
272 |
+ |
fprintf(stderr, "Or use WWxHH size specification\n"); |
273 |
+ |
exit(1); |
274 |
+ |
} |
275 |
+ |
|
276 |
+ |
|
277 |
|
quiterr(err) /* print message and exit */ |
278 |
|
char *err; |
279 |
|
{ |
288 |
|
PSheader(name) /* print PostScript header */ |
289 |
|
char *name; |
290 |
|
{ |
291 |
+ |
char *rstr; |
292 |
|
int landscape = 0; |
293 |
< |
double pwidth, pheight; |
294 |
< |
|
295 |
< |
printf("%%!\n"); |
293 |
> |
double pwidth, pheight; |
294 |
> |
double iwidth, iheight; |
295 |
> |
/* EPS comments */ |
296 |
> |
puts("%!PS-Adobe-2.0 EPSF-2.0"); |
297 |
|
printf("%%%%Title: %s\n", name); |
298 |
< |
printf("%%%%Creator: %s\n", progname); |
299 |
< |
printf("%%%%Pages: 1\n"); |
298 |
> |
printf("%%%%Creator: %s = %s\n", progname, SCCSid); |
299 |
> |
printf("%%%%Pages: %d\n", ncopies); |
300 |
|
if (landscape = xmax > pixaspect*ymax) |
301 |
< |
printf("%%%%Landscape\n"); |
301 |
> |
puts("%%Orientation: Landscape"); |
302 |
|
else |
303 |
< |
printf("%%%%Portrait\n"); |
128 |
< |
printf("%%%%EndComments\n"); |
129 |
< |
printf("gsave\n"); |
130 |
< |
printf("64 dict begin\n"); |
131 |
< |
/* set up transformation matrix */ |
132 |
< |
printf("%f %f translate 1 -1 scale\n", HMARGIN, VMARGIN+PHEIGHT); |
303 |
> |
puts("%%Orientation: Portrait"); |
304 |
|
if (PWIDTH > PHEIGHT ^ landscape) { |
134 |
– |
printf("0 %f translate\n", PHEIGHT); |
135 |
– |
printf("90 rotate\n"); |
305 |
|
pwidth = PHEIGHT; |
306 |
|
pheight = PWIDTH; |
307 |
|
} else { |
309 |
|
pheight = PHEIGHT; |
310 |
|
} |
311 |
|
if (pheight/pwidth > pixaspect*ymax/xmax) { |
312 |
< |
printf("%f %f matrix scale\n", pwidth/xmax, |
313 |
< |
pixaspect*pwidth/xmax); |
145 |
< |
printf("0 %f matrix translate\n", |
146 |
< |
.5*(pheight-pwidth*pixaspect*ymax/xmax)); |
312 |
> |
iwidth = pwidth; |
313 |
> |
iheight = pwidth*pixaspect*ymax/xmax; |
314 |
|
} else { |
315 |
< |
printf("%f %f matrix scale\n", pheight/(ymax*pixaspect), |
316 |
< |
pheight/ymax); |
150 |
< |
printf("%f 0 matrix translate\n", |
151 |
< |
.5*(pwidth-pheight*xmax/(ymax*pixaspect))); |
315 |
> |
iheight = pheight; |
316 |
> |
iwidth = pheight*xmax/(pixaspect*ymax); |
317 |
|
} |
318 |
< |
printf("matrix concatmatrix /imat exch def\n"); |
319 |
< |
PSprocdef("read6bit"); |
320 |
< |
printf("%%%%EndProlog\n"); |
321 |
< |
printf("%d %d 8 imat {read6bit} image", xmax, ymax); |
318 |
> |
if (pwidth == PHEIGHT) |
319 |
> |
printf("%%%%BoundingBox: %.0f %.0f %.0f %.0f\n", |
320 |
> |
HMARGIN+(pheight-iheight)*.5, |
321 |
> |
VMARGIN+(pwidth-iwidth)*.5, |
322 |
> |
HMARGIN+(pheight-iheight)*.5+iheight, |
323 |
> |
VMARGIN+(pwidth-iwidth)*.5+iwidth); |
324 |
> |
else |
325 |
> |
printf("%%%%BoundingBox: %.0f %.0f %.0f %.0f\n", |
326 |
> |
HMARGIN+(pwidth-iwidth)*.5, |
327 |
> |
VMARGIN+(pheight-iheight)*.5, |
328 |
> |
HMARGIN+(pwidth-iwidth)*.5+iwidth, |
329 |
> |
VMARGIN+(pheight-iheight)*.5+iheight); |
330 |
> |
puts("%%EndComments"); |
331 |
> |
puts("gsave save"); |
332 |
> |
puts("17 dict begin"); |
333 |
> |
/* define image reader */ |
334 |
> |
if (docolor) { |
335 |
> |
printf("/redline %d string def\n", xmax); |
336 |
> |
printf("/grnline %d string def\n", xmax); |
337 |
> |
printf("/bluline %d string def\n", xmax); |
338 |
> |
} else |
339 |
> |
printf("/gryline %d string def\n", xmax); |
340 |
> |
/* use compressed encoding? */ |
341 |
> |
if (putprim == Cputprim) |
342 |
> |
PSprocdef("read6bitRLE"); |
343 |
> |
/* set up transformation matrix */ |
344 |
> |
printf("%f %f translate\n", HMARGIN, VMARGIN); |
345 |
> |
if (pwidth == PHEIGHT) { |
346 |
> |
printf("%f 0 translate\n", PWIDTH); |
347 |
> |
puts("90 rotate"); |
348 |
> |
} |
349 |
> |
printf("%f %f translate\n", (pwidth-iwidth)*.5, (pheight-iheight)*.5); |
350 |
> |
printf("%f %f scale\n", iwidth, iheight); |
351 |
> |
puts("%%EndProlog"); |
352 |
> |
/* start image procedure */ |
353 |
> |
printf("%d %d 8 [%d 0 0 %d 0 %d]\n", xmax, ymax, xmax, -ymax, ymax); |
354 |
> |
if (putprim == Cputprim) { |
355 |
> |
if (docolor) { |
356 |
> |
puts("{redline read6bitRLE}"); |
357 |
> |
puts("{grnline read6bitRLE}"); |
358 |
> |
puts("{bluline read6bitRLE}"); |
359 |
> |
puts("true 3 colorimage"); |
360 |
> |
} else |
361 |
> |
puts("{gryline read6bitRLE} image"); |
362 |
> |
} else { |
363 |
> |
rstr = putprim==Aputprim ? "readhexstring" : "readstring"; |
364 |
> |
if (docolor) { |
365 |
> |
printf("{currentfile redline %s pop}\n", rstr); |
366 |
> |
printf("{currentfile grnline %s pop}\n", rstr); |
367 |
> |
printf("{currentfile bluline %s pop}\n", rstr); |
368 |
> |
puts("true 3 colorimage"); |
369 |
> |
} else |
370 |
> |
printf("{currentfile gryline %s pop} image\n", rstr); |
371 |
> |
} |
372 |
|
} |
373 |
|
|
374 |
|
|
375 |
|
PStrailer() /* print PostScript trailer */ |
376 |
|
{ |
377 |
|
puts("%%Trailer"); |
378 |
< |
puts("end"); |
378 |
> |
if (ncopies > 1) |
379 |
> |
printf("/#copies %d def\n", ncopies); |
380 |
|
puts("showpage"); |
381 |
< |
puts("grestore"); |
381 |
> |
puts("end"); |
382 |
> |
puts("restore grestore"); |
383 |
|
puts("%%EOF"); |
384 |
|
} |
385 |
|
|
389 |
|
{ |
390 |
|
short itab[128]; |
391 |
|
register int i; |
392 |
< |
|
393 |
< |
for (i = 0; i < 128; i++) |
392 |
> |
/* assign code values */ |
393 |
> |
for (i = 0; i < 128; i++) /* clear */ |
394 |
|
itab[i] = -1; |
395 |
< |
for (i = 0; i < 64; i++) |
396 |
< |
itab[code[i]] = i<<2 | 2; |
397 |
< |
printf("/decode ["); |
395 |
> |
for (i = 1; i < 63; i++) /* assign greys */ |
396 |
> |
itab[code[i]] = 256.0*pow((i+.5)/64.0, CODE6GAM/devgam); |
397 |
> |
itab[code[0]] = 0; /* black is black */ |
398 |
> |
itab[code[63]] = 255; /* and white is white */ |
399 |
> |
printf("/codetab ["); |
400 |
|
for (i = 0; i < 128; i++) { |
401 |
|
if (!(i & 0xf)) |
402 |
|
putchar('\n'); |
403 |
|
printf(" %3d", itab[i]); |
404 |
|
} |
405 |
|
printf("\n] def\n"); |
406 |
< |
printf("/scanline %d string def\n", xmax); |
407 |
< |
printf("/%s {\n", nam); |
406 |
> |
printf("/nrept 0 def\n"); |
407 |
> |
printf("/readbyte { currentfile read not {stop} if } bind def\n"); |
408 |
> |
printf("/decode { codetab exch get } bind def\n"); |
409 |
> |
printf("/%s {\t%% scanbuffer\n", nam); |
410 |
> |
printf("\t/scanline exch def\n"); |
411 |
|
printf("\t{ 0 1 %d { scanline exch\n", xmax-1); |
412 |
< |
printf("\t\t{ decode currentfile read not {stop} if get\n"); |
413 |
< |
printf("\tdup 0 lt {pop} {exit} ifelse } loop put } for\n"); |
414 |
< |
printf("} stopped {pop pop pop 0 string} {scanline} ifelse } def\n"); |
412 |
> |
printf("\t\tnrept 0 le\n"); |
413 |
> |
printf("\t\t\t{ { readbyte dup %d eq\n", RUNCHR); |
414 |
> |
printf("\t\t\t\t\t{ pop /nrept readbyte %d sub def\n", RSTRT-MINRUN+1); |
415 |
> |
printf("\t\t\t\t\t\t/reptv readbyte decode def\n"); |
416 |
> |
printf("\t\t\t\t\t\treptv exit }\n"); |
417 |
> |
printf("\t\t\t\t\t{ decode dup 0 lt {pop} {exit} ifelse }\n"); |
418 |
> |
printf("\t\t\t\tifelse } loop }\n"); |
419 |
> |
printf("\t\t\t{ /nrept nrept 1 sub def reptv }\n"); |
420 |
> |
printf("\t\tifelse put\n"); |
421 |
> |
printf("\t\t} for\n"); |
422 |
> |
printf("\t} stopped {pop pop 0 string} {scanline} ifelse\n"); |
423 |
> |
printf("} bind def\n"); |
424 |
|
} |
425 |
|
|
426 |
|
|
427 |
|
ra2ps() /* convert Radiance scanlines to 6-bit */ |
428 |
|
{ |
429 |
< |
COLR *scanin; |
199 |
< |
register int col = 0; |
200 |
< |
register int c; |
201 |
< |
register int x; |
429 |
> |
register COLR *scanin; |
430 |
|
int y; |
431 |
|
/* allocate scanline */ |
432 |
|
scanin = (COLR *)malloc(xmax*sizeof(COLR)); |
436 |
|
for (y = ymax-1; y >= 0; y--) { |
437 |
|
if (freadcolrs(scanin, xmax, stdin) < 0) |
438 |
|
quiterr("error reading Radiance picture"); |
439 |
< |
normcolrs(scanin, xmax, bradj); /* normalize */ |
440 |
< |
for (x = 0; x < xmax; x++) { |
441 |
< |
if (!(col++ & 0x3f)) |
442 |
< |
putchar('\n'); |
443 |
< |
c = normbright(scanin[x]) + (random()&3); |
444 |
< |
if (c > 255) c = 255; |
445 |
< |
putchar(code[c>>2]); |
446 |
< |
} |
439 |
> |
if (putprim == Cputprim || devgam != 1.) { |
440 |
> |
if (bradj) /* adjust exposure */ |
441 |
> |
shiftcolrs(scanin, xmax, bradj); |
442 |
> |
colrs_gambs(scanin, xmax); /* gamma compression */ |
443 |
> |
} else |
444 |
> |
normcolrs(scanin, xmax, bradj); |
445 |
> |
if (docolor) { |
446 |
> |
(*putprim)(scanin, RED); |
447 |
> |
(*putprim)(scanin, GRN); |
448 |
> |
(*putprim)(scanin, BLU); |
449 |
> |
} else |
450 |
> |
(*putprim)(scanin, GRY); |
451 |
|
if (ferror(stdout)) |
452 |
|
quiterr("error writing PostScript file"); |
453 |
|
} |
454 |
|
putchar('\n'); |
455 |
|
/* free scanline */ |
456 |
|
free((char *)scanin); |
457 |
+ |
} |
458 |
+ |
|
459 |
+ |
|
460 |
+ |
int |
461 |
+ |
Aputprim(scn, pri) /* put out hex ASCII primary from scanline */ |
462 |
+ |
COLR *scn; |
463 |
+ |
int pri; |
464 |
+ |
{ |
465 |
+ |
static char hexdigit[] = "0123456789ABCDEF"; |
466 |
+ |
static int col = 0; |
467 |
+ |
register int x, c; |
468 |
+ |
|
469 |
+ |
for (x = 0; x < xmax; x++) { |
470 |
+ |
if (pri == GRY) |
471 |
+ |
c = normbright(scn[x]); |
472 |
+ |
else |
473 |
+ |
c = scn[x][pri]; |
474 |
+ |
if (c > 255) c = 255; |
475 |
+ |
putchar(hexdigit[c>>4]); |
476 |
+ |
putchar(hexdigit[c&0xf]); |
477 |
+ |
if ((col += 2) >= 72) { |
478 |
+ |
putchar('\n'); |
479 |
+ |
col = 0; |
480 |
+ |
} |
481 |
+ |
} |
482 |
+ |
} |
483 |
+ |
|
484 |
+ |
|
485 |
+ |
int |
486 |
+ |
Bputprim(scn, pri) /* put out binary primary from scanline */ |
487 |
+ |
COLR *scn; |
488 |
+ |
int pri; |
489 |
+ |
{ |
490 |
+ |
register int x, c; |
491 |
+ |
|
492 |
+ |
for (x = 0; x < xmax; x++) { |
493 |
+ |
if (pri == GRY) |
494 |
+ |
c = normbright(scn[x]); |
495 |
+ |
else |
496 |
+ |
c = scn[x][pri]; |
497 |
+ |
if (c > 255) c = 255; |
498 |
+ |
putchar(c); |
499 |
+ |
} |
500 |
+ |
} |
501 |
+ |
|
502 |
+ |
|
503 |
+ |
int |
504 |
+ |
Cputprim(scn, pri) /* put out compressed primary from scanline */ |
505 |
+ |
COLR *scn; |
506 |
+ |
int pri; |
507 |
+ |
{ |
508 |
+ |
register int c; |
509 |
+ |
register int x; |
510 |
+ |
int lastc, cnt; |
511 |
+ |
|
512 |
+ |
lastc = -1; cnt = 0; |
513 |
+ |
for (x = 0; x < xmax; x++) { |
514 |
+ |
if (pri == GRY) |
515 |
+ |
c = normbright(scn[x]) + 2; |
516 |
+ |
else |
517 |
+ |
c = scn[x][pri] + 2; |
518 |
+ |
if (c > 255) c = 255; |
519 |
+ |
c = code[c>>2]; |
520 |
+ |
if (c == lastc && cnt < MAXRUN) |
521 |
+ |
cnt++; |
522 |
+ |
else { |
523 |
+ |
putrle(cnt, lastc); |
524 |
+ |
lastc = c; |
525 |
+ |
cnt = 1; |
526 |
+ |
} |
527 |
+ |
} |
528 |
+ |
putrle(cnt, lastc); |
529 |
+ |
} |
530 |
+ |
|
531 |
+ |
|
532 |
+ |
putrle(cnt, cod) /* put out cnt of cod */ |
533 |
+ |
register int cnt, cod; |
534 |
+ |
{ |
535 |
+ |
static int col = 0; |
536 |
+ |
|
537 |
+ |
if (cnt >= MINRUN) { |
538 |
+ |
col += 3; |
539 |
+ |
putchar(RUNCHR); |
540 |
+ |
putchar(RSTRT-MINRUN+cnt); |
541 |
+ |
putchar(cod); |
542 |
+ |
} else { |
543 |
+ |
col += cnt; |
544 |
+ |
while (cnt-- > 0) |
545 |
+ |
putchar(cod); |
546 |
+ |
} |
547 |
+ |
if (col >= 72) { |
548 |
+ |
putchar('\n'); |
549 |
+ |
col = 0; |
550 |
+ |
} |
551 |
|
} |