1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
|
/* pbmtozinc.c - read a portable bitmap and produce an bitmap file
** in the format used by the Zinc Interface Library (v1.0)
** November 1990.
**
** Author: James Darrell McCauley
** Department of Agricultural Engineering
** Texas A&M University
** College Station, Texas 77843-2117 USA
**
** Copyright (C) 1988 by James Darrell McCauley (jdm5548@diamond.tamu.edu)
** and Jef Poskanzer.
**
** Permission to use, copy, modify, and distribute this software and its
** documentation for any purpose and without fee is hereby granted, provided
** that the above copyright notice appear in all copies and that both that
** copyright notice and this permission notice appear in supporting
** documentation. This software is provided "as is" without express or
** implied warranty.
*/
#include <stdio.h>
#include <string.h>
#include "nstring.h"
#include "pbm.h"
static int itemsperline;
static int bitsperitem;
static int item;
static int firstitem;
static const char * const hexchar = "084c2a6e195d3b7f";
static void
putitem() {
if ( firstitem )
firstitem = 0;
else
putchar( ',' );
if ( itemsperline == 11 ) {
putchar( '\n' );
itemsperline = 0;
}
if ( itemsperline == 0 )
putchar( ' ' );
++itemsperline;
putchar('0');
putchar('x');
putchar(hexchar[item & 15]);
putchar(hexchar[(item >> 4) & 15]);
putchar(hexchar[(item >> 8) & 15]);
putchar(hexchar[item >> 12]);
bitsperitem = 0;
item = 0;
}
static void
putbit(const bit b) {
if ( bitsperitem == 16 )
putitem();
if ( (b) == PBM_BLACK )
item += 1 << bitsperitem;
++bitsperitem;
}
int
main(int argc, char * argv[]) {
FILE* ifp;
bit* bitrow;
bit* bP;
int rows, cols, format, padright, row;
int col;
char name[100];
char* cp;
pbm_init( &argc, argv );
if ( argc > 2 )
pm_usage( "[pbmfile]" );
if ( argc == 2 ) {
ifp = pm_openr( argv[1] );
strcpy( name, argv[1] );
if ( streq( name, "-" ) )
strcpy( name, "noname" );
if ( ( cp = strchr( name, '.' ) ) != 0 )
*cp = '\0';
}
else {
ifp = stdin;
strcpy( name, "noname" );
}
pbm_readpbminit( ifp, &cols, &rows, &format );
bitrow = pbm_allocrow( cols );
/* Compute padding to round cols up to the nearest multiple of 16. */
padright = ( ( cols + 15 ) / 16 ) * 16 - cols;
printf( "USHORT %s[] = {\n",name);
printf( " %d\n", cols );
printf( " %d\n", rows );
itemsperline = 0;
bitsperitem = 0;
item = 0;
firstitem = 1;
for ( row = 0; row < rows; ++row ) {
pbm_readpbmrow( ifp, bitrow, cols, format );
for ( col = 0, bP = bitrow; col < cols; ++col, ++bP )
putbit( *bP );
for ( col = 0; col < padright; ++col )
putbit( 0 );
}
pm_close( ifp );
if ( bitsperitem > 0 )
putitem();
printf( "};\n" );
return 0;
}
|
