1 |
greg |
1.7 |
/* Copyright (c) 1991 Regents of the University of California */ |
2 |
greg |
1.1 |
|
3 |
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#ifndef lint |
4 |
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static char SCCSid[] = "$SunId$ LBL"; |
5 |
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#endif |
6 |
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|
7 |
|
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/* |
8 |
|
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* pvalue.c - program to print pixel values. |
9 |
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* |
10 |
|
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* 4/23/86 |
11 |
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*/ |
12 |
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13 |
greg |
1.8 |
#include "standard.h" |
14 |
greg |
1.1 |
|
15 |
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#include "color.h" |
16 |
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|
17 |
greg |
1.8 |
#include "resolu.h" |
18 |
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|
19 |
greg |
1.1 |
#define min(a,b) ((a)<(b)?(a):(b)) |
20 |
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|
21 |
greg |
1.8 |
RESOLU picres; /* resolution of picture */ |
22 |
greg |
1.1 |
|
23 |
greg |
1.6 |
int uniq = 0; /* print only unique values? */ |
24 |
greg |
1.1 |
|
25 |
greg |
1.6 |
int original = 0; /* convert back to original values? */ |
26 |
greg |
1.1 |
|
27 |
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int dataonly = 0; /* data only format? */ |
28 |
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29 |
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int brightonly = 0; /* only brightness values? */ |
30 |
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31 |
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int reverse = 0; /* reverse conversion? */ |
32 |
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33 |
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int format = 'a'; /* input/output format */ |
34 |
greg |
1.6 |
char *fmtid = "ascii"; /* format identifier for header */ |
35 |
greg |
1.1 |
|
36 |
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int header = 1; /* do header */ |
37 |
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38 |
greg |
1.6 |
int wrongformat = 0; /* wrong input format? */ |
39 |
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|
40 |
greg |
1.8 |
double gamcor = 1.0; /* gamma correction */ |
41 |
greg |
1.7 |
|
42 |
greg |
1.5 |
COLOR exposure = WHTCOLOR; |
43 |
greg |
1.1 |
|
44 |
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char *progname; |
45 |
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46 |
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FILE *fin; |
47 |
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|
48 |
greg |
1.7 |
extern double atof(), pow(); |
49 |
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|
50 |
greg |
1.1 |
int (*getval)(), (*putval)(); |
51 |
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52 |
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53 |
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main(argc, argv) |
54 |
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int argc; |
55 |
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char **argv; |
56 |
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{ |
57 |
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extern int checkhead(); |
58 |
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int i; |
59 |
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60 |
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progname = argv[0]; |
61 |
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62 |
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for (i = 1; i < argc; i++) |
63 |
greg |
1.8 |
if (argv[i][0] == '-' || argv[i][0] == '+') |
64 |
greg |
1.1 |
switch (argv[i][1]) { |
65 |
greg |
1.8 |
case 'h': /* header */ |
66 |
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header = argv[i][0] == '+'; |
67 |
greg |
1.1 |
break; |
68 |
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case 'u': /* unique values */ |
69 |
greg |
1.8 |
uniq = argv[i][0] == '-'; |
70 |
greg |
1.1 |
break; |
71 |
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case 'o': /* original values */ |
72 |
greg |
1.8 |
original = argv[i][0] == '-'; |
73 |
greg |
1.1 |
break; |
74 |
greg |
1.7 |
case 'g': /* gamma correction */ |
75 |
greg |
1.8 |
gamcor = atof(argv[++i]); |
76 |
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if (argv[i][0] == '+') |
77 |
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gamcor = 1.0/gamcor; |
78 |
greg |
1.7 |
break; |
79 |
greg |
1.1 |
case 'r': /* reverse conversion */ |
80 |
greg |
1.8 |
reverse = argv[i][0] == '-'; |
81 |
greg |
1.1 |
break; |
82 |
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case 'b': /* brightness values */ |
83 |
greg |
1.8 |
brightonly = argv[i][0] == '-'; |
84 |
greg |
1.1 |
break; |
85 |
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case 'd': /* data only (no indices) */ |
86 |
greg |
1.8 |
dataonly = argv[i][0] == '-'; |
87 |
greg |
1.1 |
switch (argv[i][2]) { |
88 |
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case '\0': |
89 |
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case 'a': /* ascii */ |
90 |
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format = 'a'; |
91 |
greg |
1.6 |
fmtid = "ascii"; |
92 |
greg |
1.1 |
break; |
93 |
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case 'i': /* integer */ |
94 |
greg |
1.6 |
format = 'i'; |
95 |
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fmtid = "ascii"; |
96 |
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break; |
97 |
greg |
1.1 |
case 'b': /* byte */ |
98 |
greg |
1.8 |
dataonly = 1; |
99 |
greg |
1.6 |
format = 'b'; |
100 |
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fmtid = "byte"; |
101 |
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break; |
102 |
greg |
1.1 |
case 'f': /* float */ |
103 |
greg |
1.8 |
dataonly = 1; |
104 |
greg |
1.6 |
format = 'f'; |
105 |
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fmtid = "float"; |
106 |
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break; |
107 |
greg |
1.1 |
case 'd': /* double */ |
108 |
greg |
1.8 |
dataonly = 1; |
109 |
greg |
1.6 |
format = 'd'; |
110 |
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fmtid = "double"; |
111 |
greg |
1.1 |
break; |
112 |
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default: |
113 |
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goto unkopt; |
114 |
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} |
115 |
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break; |
116 |
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case 'x': /* x resolution */ |
117 |
greg |
1.8 |
if (argv[i][0] == '-') |
118 |
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picres.or |= XDECR; |
119 |
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picres.xr = atoi(argv[++i]); |
120 |
greg |
1.1 |
break; |
121 |
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case 'y': /* y resolution */ |
122 |
greg |
1.8 |
if (argv[i][0] == '-') |
123 |
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picres.or |= YDECR; |
124 |
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if (picres.xr == 0) |
125 |
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picres.or |= YMAJOR; |
126 |
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picres.yr = atoi(argv[++i]); |
127 |
greg |
1.1 |
break; |
128 |
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default: |
129 |
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unkopt: |
130 |
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fprintf(stderr, "%s: unknown option: %s\n", |
131 |
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progname, argv[i]); |
132 |
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quit(1); |
133 |
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break; |
134 |
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} |
135 |
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else |
136 |
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break; |
137 |
greg |
1.6 |
/* recognize special formats */ |
138 |
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if (dataonly && format == 'b') |
139 |
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if (brightonly) |
140 |
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fmtid = "8-bit_grey"; |
141 |
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else |
142 |
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fmtid = "24-bit_rgb"; |
143 |
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144 |
greg |
1.1 |
if (i == argc) { |
145 |
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fin = stdin; |
146 |
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} else if (i == argc-1) { |
147 |
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if ((fin = fopen(argv[i], "r")) == NULL) { |
148 |
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fprintf(stderr, "%s: can't open file \"%s\"\n", |
149 |
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progname, argv[i]); |
150 |
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quit(1); |
151 |
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} |
152 |
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} else { |
153 |
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fprintf(stderr, "%s: bad # file arguments\n", progname); |
154 |
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quit(1); |
155 |
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} |
156 |
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157 |
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set_io(); |
158 |
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159 |
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if (reverse) { |
160 |
greg |
1.6 |
/* get header */ |
161 |
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if (header && checkheader(fin, fmtid, stdout) < 0) { |
162 |
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fprintf(stderr, "%s: wrong input format\n", progname); |
163 |
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quit(1); |
164 |
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} |
165 |
greg |
1.8 |
if (picres.xr <= 0 || picres.yr <= 0) /* get resolution */ |
166 |
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if (!fgetsresolu(&picres, fin)) { |
167 |
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fprintf(stderr, "%s: missing resolution\n", |
168 |
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progname); |
169 |
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quit(1); |
170 |
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} |
171 |
greg |
1.6 |
/* add to header */ |
172 |
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printargs(i, argv, stdout); |
173 |
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fputformat(COLRFMT, stdout); |
174 |
greg |
1.8 |
putchar('\n'); |
175 |
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fputsresolu(&picres, stdout); |
176 |
greg |
1.1 |
valtopix(); |
177 |
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} else { |
178 |
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/* get header */ |
179 |
greg |
1.6 |
getheader(fin, checkhead, NULL); |
180 |
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if (wrongformat) { |
181 |
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fprintf(stderr, "%s: input not a Radiance picture\n", |
182 |
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progname); |
183 |
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quit(1); |
184 |
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} |
185 |
greg |
1.1 |
|
186 |
greg |
1.8 |
if (picres.xr <= 0 || picres.yr <= 0) /* get picture size */ |
187 |
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if (!fgetsresolu(&picres, fin)) { |
188 |
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fprintf(stderr, "%s: missing resolution\n", |
189 |
greg |
1.1 |
progname); |
190 |
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quit(1); |
191 |
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} |
192 |
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if (header) { |
193 |
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printargs(i, argv, stdout); |
194 |
greg |
1.6 |
fputformat(fmtid, stdout); |
195 |
greg |
1.8 |
putchar('\n'); |
196 |
greg |
1.1 |
} |
197 |
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pixtoval(); |
198 |
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} |
199 |
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200 |
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quit(0); |
201 |
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} |
202 |
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203 |
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204 |
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checkhead(line) /* deal with line from header */ |
205 |
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char *line; |
206 |
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{ |
207 |
greg |
1.6 |
char fmt[32]; |
208 |
greg |
1.5 |
double d; |
209 |
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COLOR ctmp; |
210 |
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211 |
greg |
1.6 |
if (isformat(line)) { |
212 |
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formatval(fmt, line); |
213 |
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wrongformat = strcmp(fmt, COLRFMT); |
214 |
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} else if (original && isexpos(line)) { |
215 |
greg |
1.5 |
d = 1.0/exposval(line); |
216 |
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scalecolor(exposure, d); |
217 |
greg |
1.6 |
} else if (original && iscolcor(line)) { |
218 |
greg |
1.5 |
colcorval(ctmp, line); |
219 |
greg |
1.7 |
setcolor(exposure, colval(exposure,RED)/colval(ctmp,RED), |
220 |
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colval(exposure,GRN)/colval(ctmp,GRN), |
221 |
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colval(exposure,BLU)/colval(ctmp,BLU)); |
222 |
greg |
1.6 |
} else if (header) |
223 |
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fputs(line, stdout); |
224 |
greg |
1.1 |
} |
225 |
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226 |
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227 |
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pixtoval() /* convert picture to values */ |
228 |
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{ |
229 |
greg |
1.7 |
register COLOR *scanln; |
230 |
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int dogamma; |
231 |
greg |
1.1 |
COLOR lastc; |
232 |
greg |
1.8 |
FLOAT hv[2]; |
233 |
greg |
1.1 |
int y; |
234 |
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register int x; |
235 |
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|
236 |
greg |
1.8 |
scanln = (COLOR *)malloc(scanlen(&picres)*sizeof(COLOR)); |
237 |
greg |
1.1 |
if (scanln == NULL) { |
238 |
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fprintf(stderr, "%s: out of memory\n", progname); |
239 |
|
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quit(1); |
240 |
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} |
241 |
greg |
1.8 |
dogamma = gamcor < .95 || gamcor > 1.05; |
242 |
greg |
1.1 |
setcolor(lastc, 0.0, 0.0, 0.0); |
243 |
greg |
1.8 |
for (y = 0; y < numscans(&picres); y++) { |
244 |
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if (freadscan(scanln, scanlen(&picres), fin) < 0) { |
245 |
greg |
1.1 |
fprintf(stderr, "%s: read error\n", progname); |
246 |
|
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quit(1); |
247 |
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} |
248 |
greg |
1.8 |
for (x = 0; x < scanlen(&picres); x++) { |
249 |
greg |
1.1 |
if (uniq) |
250 |
greg |
1.7 |
if ( colval(scanln[x],RED) == |
251 |
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colval(lastc,RED) && |
252 |
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colval(scanln[x],GRN) == |
253 |
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colval(lastc,GRN) && |
254 |
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colval(scanln[x],BLU) == |
255 |
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colval(lastc,BLU) ) |
256 |
greg |
1.1 |
continue; |
257 |
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else |
258 |
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copycolor(lastc, scanln[x]); |
259 |
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if (original) |
260 |
greg |
1.5 |
multcolor(scanln[x], exposure); |
261 |
greg |
1.7 |
if (dogamma) |
262 |
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setcolor(scanln[x], |
263 |
greg |
1.8 |
pow(colval(scanln[x],RED), 1.0/gamcor), |
264 |
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pow(colval(scanln[x],GRN), 1.0/gamcor), |
265 |
|
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pow(colval(scanln[x],BLU), 1.0/gamcor)); |
266 |
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if (!dataonly) { |
267 |
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pix2loc(hv, &picres, x, y); |
268 |
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printf("%7d %7d ", (int)(hv[0]*picres.xr), |
269 |
|
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(int)(hv[1]*picres.yr)); |
270 |
|
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} |
271 |
greg |
1.1 |
if ((*putval)(scanln[x], stdout) < 0) { |
272 |
|
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fprintf(stderr, "%s: write error\n", progname); |
273 |
|
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quit(1); |
274 |
|
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} |
275 |
|
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} |
276 |
|
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} |
277 |
|
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free((char *)scanln); |
278 |
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} |
279 |
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|
280 |
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|
281 |
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valtopix() /* convert values to a pixel file */ |
282 |
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{ |
283 |
greg |
1.7 |
int dogamma; |
284 |
|
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register COLOR *scanln; |
285 |
greg |
1.1 |
int y; |
286 |
|
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register int x; |
287 |
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|
288 |
greg |
1.8 |
scanln = (COLOR *)malloc(scanlen(&picres)*sizeof(COLOR)); |
289 |
greg |
1.1 |
if (scanln == NULL) { |
290 |
|
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fprintf(stderr, "%s: out of memory\n", progname); |
291 |
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quit(1); |
292 |
|
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} |
293 |
greg |
1.8 |
dogamma = gamcor < .95 || gamcor > 1.05; |
294 |
|
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for (y = 0; y < numscans(&picres); y++) { |
295 |
|
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for (x = 0; x < scanlen(&picres); x++) { |
296 |
greg |
1.1 |
if (!dataonly) |
297 |
|
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fscanf(fin, "%*d %*d"); |
298 |
|
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if ((*getval)(scanln[x], fin) < 0) { |
299 |
|
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fprintf(stderr, "%s: read error\n", progname); |
300 |
|
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quit(1); |
301 |
|
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} |
302 |
greg |
1.7 |
if (dogamma) |
303 |
|
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setcolor(scanln[x], |
304 |
greg |
1.8 |
pow(colval(scanln[x],RED), gamcor), |
305 |
|
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pow(colval(scanln[x],GRN), gamcor), |
306 |
|
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pow(colval(scanln[x],BLU), gamcor)); |
307 |
greg |
1.1 |
} |
308 |
greg |
1.8 |
if (fwritescan(scanln, scanlen(&picres), stdout) < 0) { |
309 |
greg |
1.1 |
fprintf(stderr, "%s: write error\n", progname); |
310 |
|
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quit(1); |
311 |
|
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} |
312 |
|
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} |
313 |
|
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free((char *)scanln); |
314 |
|
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} |
315 |
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316 |
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317 |
|
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quit(code) |
318 |
|
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int code; |
319 |
|
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{ |
320 |
|
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exit(code); |
321 |
|
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} |
322 |
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323 |
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|
324 |
|
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getcascii(col, fp) /* get an ascii color value from fp */ |
325 |
|
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COLOR col; |
326 |
|
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FILE *fp; |
327 |
|
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{ |
328 |
|
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double vd[3]; |
329 |
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|
330 |
|
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if (fscanf(fp, "%lf %lf %lf", &vd[0], &vd[1], &vd[2]) != 3) |
331 |
|
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return(-1); |
332 |
|
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setcolor(col, vd[0], vd[1], vd[2]); |
333 |
|
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return(0); |
334 |
|
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} |
335 |
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|
336 |
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|
337 |
|
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getcdouble(col, fp) /* get a double color value from fp */ |
338 |
|
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COLOR col; |
339 |
|
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FILE *fp; |
340 |
|
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{ |
341 |
|
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double vd[3]; |
342 |
|
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|
343 |
greg |
1.4 |
if (fread((char *)vd, sizeof(double), 3, fp) != 3) |
344 |
greg |
1.1 |
return(-1); |
345 |
|
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setcolor(col, vd[0], vd[1], vd[2]); |
346 |
|
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return(0); |
347 |
|
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} |
348 |
|
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|
349 |
|
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|
350 |
|
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getcfloat(col, fp) /* get a float color value from fp */ |
351 |
|
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COLOR col; |
352 |
|
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FILE *fp; |
353 |
|
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{ |
354 |
|
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float vf[3]; |
355 |
|
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|
356 |
greg |
1.4 |
if (fread((char *)vf, sizeof(float), 3, fp) != 3) |
357 |
greg |
1.1 |
return(-1); |
358 |
|
|
setcolor(col, vf[0], vf[1], vf[2]); |
359 |
|
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return(0); |
360 |
|
|
} |
361 |
|
|
|
362 |
|
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|
363 |
|
|
getcint(col, fp) /* get an int color value from fp */ |
364 |
|
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COLOR col; |
365 |
|
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FILE *fp; |
366 |
|
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{ |
367 |
|
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int vi[3]; |
368 |
|
|
|
369 |
|
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if (fscanf(fp, "%d %d %d", &vi[0], &vi[1], &vi[2]) != 3) |
370 |
|
|
return(-1); |
371 |
|
|
setcolor(col,(vi[0]+.5)/256.,(vi[1]+.5)/256.,(vi[2]+.5)/256.); |
372 |
|
|
return(0); |
373 |
|
|
} |
374 |
|
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|
375 |
|
|
|
376 |
|
|
getcbyte(col, fp) /* get a byte color value from fp */ |
377 |
|
|
COLOR col; |
378 |
|
|
FILE *fp; |
379 |
|
|
{ |
380 |
|
|
BYTE vb[3]; |
381 |
|
|
|
382 |
greg |
1.4 |
if (fread((char *)vb, sizeof(BYTE), 3, fp) != 3) |
383 |
greg |
1.1 |
return(-1); |
384 |
|
|
setcolor(col,(vb[0]+.5)/256.,(vb[1]+.5)/256.,(vb[2]+.5)/256.); |
385 |
|
|
return(0); |
386 |
|
|
} |
387 |
|
|
|
388 |
|
|
|
389 |
|
|
getbascii(col, fp) /* get an ascii brightness value from fp */ |
390 |
|
|
COLOR col; |
391 |
|
|
FILE *fp; |
392 |
|
|
{ |
393 |
|
|
double vd; |
394 |
|
|
|
395 |
|
|
if (fscanf(fp, "%lf", &vd) != 1) |
396 |
|
|
return(-1); |
397 |
|
|
setcolor(col, vd, vd, vd); |
398 |
|
|
return(0); |
399 |
|
|
} |
400 |
|
|
|
401 |
|
|
|
402 |
|
|
getbdouble(col, fp) /* get a double brightness value from fp */ |
403 |
|
|
COLOR col; |
404 |
|
|
FILE *fp; |
405 |
|
|
{ |
406 |
|
|
double vd; |
407 |
|
|
|
408 |
greg |
1.4 |
if (fread((char *)&vd, sizeof(double), 1, fp) != 1) |
409 |
greg |
1.1 |
return(-1); |
410 |
|
|
setcolor(col, vd, vd, vd); |
411 |
|
|
return(0); |
412 |
|
|
} |
413 |
|
|
|
414 |
|
|
|
415 |
|
|
getbfloat(col, fp) /* get a float brightness value from fp */ |
416 |
|
|
COLOR col; |
417 |
|
|
FILE *fp; |
418 |
|
|
{ |
419 |
|
|
float vf; |
420 |
|
|
|
421 |
greg |
1.4 |
if (fread((char *)&vf, sizeof(float), 1, fp) != 1) |
422 |
greg |
1.1 |
return(-1); |
423 |
|
|
setcolor(col, vf, vf, vf); |
424 |
|
|
return(0); |
425 |
|
|
} |
426 |
|
|
|
427 |
|
|
|
428 |
|
|
getbint(col, fp) /* get an int brightness value from fp */ |
429 |
|
|
COLOR col; |
430 |
|
|
FILE *fp; |
431 |
|
|
{ |
432 |
|
|
int vi; |
433 |
|
|
double d; |
434 |
|
|
|
435 |
|
|
if (fscanf(fp, "%d", &vi) != 1) |
436 |
|
|
return(-1); |
437 |
|
|
d = (vi+.5)/256.; |
438 |
|
|
setcolor(col, d, d, d); |
439 |
|
|
return(0); |
440 |
|
|
} |
441 |
|
|
|
442 |
|
|
|
443 |
|
|
getbbyte(col, fp) /* get a byte brightness value from fp */ |
444 |
|
|
COLOR col; |
445 |
|
|
FILE *fp; |
446 |
|
|
{ |
447 |
|
|
BYTE vb; |
448 |
|
|
double d; |
449 |
|
|
|
450 |
greg |
1.4 |
if (fread((char *)&vb, sizeof(BYTE), 1, fp) != 1) |
451 |
greg |
1.1 |
return(-1); |
452 |
|
|
d = (vb+.5)/256.; |
453 |
|
|
setcolor(col, d, d, d); |
454 |
|
|
return(0); |
455 |
|
|
} |
456 |
|
|
|
457 |
|
|
|
458 |
|
|
putcascii(col, fp) /* put an ascii color to fp */ |
459 |
|
|
COLOR col; |
460 |
|
|
FILE *fp; |
461 |
|
|
{ |
462 |
|
|
fprintf(fp, "%15.3e %15.3e %15.3e\n", |
463 |
|
|
colval(col,RED), |
464 |
|
|
colval(col,GRN), |
465 |
|
|
colval(col,BLU)); |
466 |
|
|
|
467 |
|
|
return(ferror(fp) ? -1 : 0); |
468 |
|
|
} |
469 |
|
|
|
470 |
|
|
|
471 |
|
|
putcfloat(col, fp) /* put a float color to fp */ |
472 |
|
|
COLOR col; |
473 |
|
|
FILE *fp; |
474 |
|
|
{ |
475 |
|
|
float vf[3]; |
476 |
|
|
|
477 |
|
|
vf[0] = colval(col,RED); |
478 |
|
|
vf[1] = colval(col,GRN); |
479 |
|
|
vf[2] = colval(col,BLU); |
480 |
greg |
1.4 |
fwrite((char *)vf, sizeof(float), 3, fp); |
481 |
greg |
1.1 |
|
482 |
|
|
return(ferror(fp) ? -1 : 0); |
483 |
|
|
} |
484 |
|
|
|
485 |
|
|
|
486 |
|
|
putcdouble(col, fp) /* put a double color to fp */ |
487 |
|
|
COLOR col; |
488 |
|
|
FILE *fp; |
489 |
|
|
{ |
490 |
|
|
double vd[3]; |
491 |
|
|
|
492 |
|
|
vd[0] = colval(col,RED); |
493 |
|
|
vd[1] = colval(col,GRN); |
494 |
|
|
vd[2] = colval(col,BLU); |
495 |
greg |
1.4 |
fwrite((char *)vd, sizeof(double), 3, fp); |
496 |
greg |
1.1 |
|
497 |
|
|
return(ferror(fp) ? -1 : 0); |
498 |
|
|
} |
499 |
|
|
|
500 |
|
|
|
501 |
|
|
putcint(col, fp) /* put an int color to fp */ |
502 |
|
|
COLOR col; |
503 |
|
|
FILE *fp; |
504 |
|
|
{ |
505 |
|
|
fprintf(fp, "%d %d %d\n", |
506 |
|
|
(int)(colval(col,RED)*256.), |
507 |
|
|
(int)(colval(col,GRN)*256.), |
508 |
|
|
(int)(colval(col,BLU)*256.)); |
509 |
|
|
|
510 |
|
|
return(ferror(fp) ? -1 : 0); |
511 |
|
|
} |
512 |
|
|
|
513 |
|
|
|
514 |
|
|
putcbyte(col, fp) /* put a byte color to fp */ |
515 |
|
|
COLOR col; |
516 |
|
|
FILE *fp; |
517 |
|
|
{ |
518 |
|
|
register int i; |
519 |
|
|
BYTE vb[3]; |
520 |
|
|
|
521 |
|
|
i = colval(col,RED)*256.; |
522 |
|
|
vb[0] = min(i,255); |
523 |
|
|
i = colval(col,GRN)*256.; |
524 |
|
|
vb[1] = min(i,255); |
525 |
|
|
i = colval(col,BLU)*256.; |
526 |
|
|
vb[2] = min(i,255); |
527 |
greg |
1.4 |
fwrite((char *)vb, sizeof(BYTE), 3, fp); |
528 |
greg |
1.1 |
|
529 |
|
|
return(ferror(fp) ? -1 : 0); |
530 |
|
|
} |
531 |
|
|
|
532 |
|
|
|
533 |
|
|
putbascii(col, fp) /* put an ascii brightness to fp */ |
534 |
|
|
COLOR col; |
535 |
|
|
FILE *fp; |
536 |
|
|
{ |
537 |
|
|
fprintf(fp, "%15.3e\n", bright(col)); |
538 |
|
|
|
539 |
|
|
return(ferror(fp) ? -1 : 0); |
540 |
|
|
} |
541 |
|
|
|
542 |
|
|
|
543 |
|
|
putbfloat(col, fp) /* put a float brightness to fp */ |
544 |
|
|
COLOR col; |
545 |
|
|
FILE *fp; |
546 |
|
|
{ |
547 |
|
|
float vf; |
548 |
|
|
|
549 |
|
|
vf = bright(col); |
550 |
greg |
1.4 |
fwrite((char *)&vf, sizeof(float), 1, fp); |
551 |
greg |
1.1 |
|
552 |
|
|
return(ferror(fp) ? -1 : 0); |
553 |
|
|
} |
554 |
|
|
|
555 |
|
|
|
556 |
|
|
putbdouble(col, fp) /* put a double brightness to fp */ |
557 |
|
|
COLOR col; |
558 |
|
|
FILE *fp; |
559 |
|
|
{ |
560 |
|
|
double vd; |
561 |
|
|
|
562 |
|
|
vd = bright(col); |
563 |
greg |
1.4 |
fwrite((char *)&vd, sizeof(double), 1, fp); |
564 |
greg |
1.1 |
|
565 |
|
|
return(ferror(fp) ? -1 : 0); |
566 |
|
|
} |
567 |
|
|
|
568 |
|
|
|
569 |
|
|
putbint(col, fp) /* put an int brightness to fp */ |
570 |
|
|
COLOR col; |
571 |
|
|
FILE *fp; |
572 |
|
|
{ |
573 |
|
|
fprintf(fp, "%d\n", (int)(bright(col)*256.)); |
574 |
|
|
|
575 |
|
|
return(ferror(fp) ? -1 : 0); |
576 |
|
|
} |
577 |
|
|
|
578 |
|
|
|
579 |
|
|
putbbyte(col, fp) /* put a byte brightness to fp */ |
580 |
|
|
COLOR col; |
581 |
|
|
FILE *fp; |
582 |
|
|
{ |
583 |
|
|
register int i; |
584 |
|
|
BYTE vb; |
585 |
|
|
|
586 |
|
|
i = bright(col)*256.; |
587 |
|
|
vb = min(i,255); |
588 |
greg |
1.4 |
fwrite((char *)&vb, sizeof(BYTE), 1, fp); |
589 |
greg |
1.1 |
|
590 |
|
|
return(ferror(fp) ? -1 : 0); |
591 |
|
|
} |
592 |
|
|
|
593 |
|
|
|
594 |
|
|
set_io() /* set put and get functions */ |
595 |
|
|
{ |
596 |
|
|
switch (format) { |
597 |
|
|
case 'a': /* ascii */ |
598 |
|
|
if (brightonly) { |
599 |
|
|
getval = getbascii; |
600 |
|
|
putval = putbascii; |
601 |
|
|
} else { |
602 |
|
|
getval = getcascii; |
603 |
|
|
putval = putcascii; |
604 |
|
|
} |
605 |
|
|
return; |
606 |
|
|
case 'f': /* binary float */ |
607 |
|
|
if (brightonly) { |
608 |
|
|
getval = getbfloat; |
609 |
|
|
putval = putbfloat; |
610 |
|
|
} else { |
611 |
|
|
getval = getcfloat; |
612 |
|
|
putval = putcfloat; |
613 |
|
|
} |
614 |
|
|
return; |
615 |
|
|
case 'd': /* binary double */ |
616 |
|
|
if (brightonly) { |
617 |
|
|
getval = getbdouble; |
618 |
|
|
putval = putbdouble; |
619 |
|
|
} else { |
620 |
|
|
getval = getcdouble; |
621 |
|
|
putval = putcdouble; |
622 |
|
|
} |
623 |
|
|
return; |
624 |
|
|
case 'i': /* integer */ |
625 |
|
|
if (brightonly) { |
626 |
|
|
getval = getbint; |
627 |
|
|
putval = putbint; |
628 |
|
|
} else { |
629 |
|
|
getval = getcint; |
630 |
|
|
putval = putcint; |
631 |
|
|
} |
632 |
|
|
return; |
633 |
|
|
case 'b': /* byte */ |
634 |
|
|
if (brightonly) { |
635 |
|
|
getval = getbbyte; |
636 |
|
|
putval = putbbyte; |
637 |
|
|
} else { |
638 |
|
|
getval = getcbyte; |
639 |
|
|
putval = putcbyte; |
640 |
|
|
} |
641 |
|
|
return; |
642 |
|
|
} |
643 |
|
|
} |