Commit | Line | Data |
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54fea4c1 C |
1 | /* pbmtofax.c - pbm to FAX filter */ |
2 | ||
3 | #ifndef lint | |
4 | static char *rcsid = "$Header: /f/osi/others/quipu/photo/RCS/pbmtofax.c,v 7.2 90/09/24 15:36:49 mrose Exp $"; | |
5 | #endif | |
6 | ||
7 | /* | |
8 | * $Header: /f/osi/others/quipu/photo/RCS/pbmtofax.c,v 7.2 90/09/24 15:36:49 mrose Exp $ | |
9 | * | |
10 | * | |
11 | * $Log: pbmtofax.c,v $ | |
12 | * Revision 7.2 90/09/24 15:36:49 mrose | |
13 | * update | |
14 | * | |
15 | * Revision 7.1 90/07/09 14:40:29 mrose | |
16 | * sync | |
17 | * | |
18 | * Revision 7.0 89/11/23 22:01:46 mrose | |
19 | * Release 6.0 | |
20 | * | |
21 | */ | |
22 | ||
23 | /* | |
24 | * NOTICE | |
25 | * | |
26 | * Acquisition, use, and distribution of this module and related | |
27 | * materials are subject to the restrictions of a license agreement. | |
28 | * Consult the Preface in the User's Manual for the full terms of | |
29 | * this agreement. | |
30 | * | |
31 | */ | |
32 | ||
33 | ||
34 | #include <stdio.h> | |
35 | #include "quipu/photo.h" | |
36 | #include "pbm/pbm.h" | |
37 | ||
38 | /* \f DATA */ | |
39 | ||
40 | int PIC_LINESIZE, STOP, NUMLINES; | |
41 | ||
42 | extern int optlen; | |
43 | ||
44 | ||
45 | char *encode_t4 (); | |
46 | ||
47 | ||
48 | char *malloc (); | |
49 | ||
50 | /* \f MAIN */ | |
51 | ||
52 | /* ARGSUSED */ | |
53 | ||
54 | main (argc, argv, envp) | |
55 | int argc; | |
56 | char **argv, | |
57 | **envp; | |
58 | { | |
59 | int cols, | |
60 | format, | |
61 | rows, | |
62 | skip; | |
63 | char *cp, | |
64 | *data, | |
65 | *file, | |
66 | *optbuf; | |
67 | bit black; | |
68 | FILE *fp; | |
69 | ||
70 | black = PBM_BLACK; | |
71 | ||
72 | file = NULL, fp = stdin; | |
73 | for (argv++; cp = *argv; argv++) | |
74 | if (*cp == '-') { | |
75 | if (cp[1] == NULL) | |
76 | goto usage; | |
77 | ||
78 | if (strncmp (cp, "-reversebits", strlen (cp)) == 0) { | |
79 | black = PBM_WHITE; | |
80 | continue; | |
81 | } | |
82 | goto usage; | |
83 | } | |
84 | else | |
85 | if (file) { | |
86 | usage: ; | |
87 | fprintf (stderr, "usage: pbmtofax [file]\n"); | |
88 | exit (1); | |
89 | } | |
90 | else | |
91 | if ((fp = pm_openr (file = cp)) == NULL) | |
92 | perror (file), exit (1); | |
93 | ||
94 | { | |
95 | int bitcount; | |
96 | register int i, | |
97 | j; | |
98 | unsigned char *byteP; | |
99 | bit *bitrow; | |
100 | register bit *bP; | |
101 | ||
102 | pbm_readpbminit (fp, &cols, &rows, &format); | |
103 | bitrow = pbm_allocrow (cols); | |
104 | ||
105 | if ((data = malloc ((unsigned) (cols * rows))) == NULL) | |
106 | fprintf (stderr, "out of memory\n"), exit (1); | |
107 | byteP = (unsigned char *) data; | |
108 | ||
109 | for (i = rows; i-- > 0; ) { | |
110 | pbm_readpbmrow (fp, bP = bitrow, cols, format); | |
111 | *byteP = NULL, bitcount = 7; | |
112 | ||
113 | for (j = cols; j-- > 0; ) { | |
114 | unsigned char mask = 1 << bitcount; | |
115 | ||
116 | if (*bP++ == black) | |
117 | *byteP |= mask; | |
118 | else | |
119 | *byteP &= ~mask; | |
120 | if (--bitcount < 0) | |
121 | *++byteP = NULL, bitcount = 7; | |
122 | } | |
123 | if (bitcount != 7) | |
124 | byteP++; | |
125 | } | |
126 | ||
127 | pm_close (fp); | |
128 | } | |
129 | ||
130 | STOP = (PIC_LINESIZE = cols) + 1; | |
131 | NUMLINES = rows; | |
132 | if ((skip = 8 - (PIC_LINESIZE % 8)) == 8) | |
133 | skip = 0; | |
134 | ||
135 | optbuf = encode_t4 (4, data, skip); | |
136 | *(optbuf + optlen) = NULL; | |
137 | ||
138 | (void) fwrite (optbuf, optlen + 1, sizeof *optbuf, stdout); | |
139 | ||
140 | exit (0); | |
141 | } |