blob: dd3fc1216a4bd19aeba149115c4a29e976e9f32b (
plain)
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
|
/* Fax G3/G4 tables */
typedef struct cfe_code_s cfe_code;
struct cfe_code_s
{
unsigned short code;
unsigned short nbits;
};
typedef struct cf_runs_s {
cfe_code termination[64];
cfe_code makeup[41];
} cf_runs;
/* Encoding tables */
/* Codes common to 1-D and 2-D encoding. */
extern const cfe_code cf_run_eol;
extern const cf_runs cf_white_runs, cf_black_runs;
extern const cfe_code cf_uncompressed[6];
extern const cfe_code cf_uncompressed_exit[10]; /* indexed by 2 x length of */
/* 1-D encoding. */
extern const cfe_code cf1_run_uncompressed;
/* 2-D encoding. */
enum { cf2_run_vertical_offset = 3 };
extern const cfe_code cf2_run_pass;
extern const cfe_code cf2_run_vertical[7]; /* indexed by b1 - a1 + offset */
extern const cfe_code cf2_run_horizontal;
extern const cfe_code cf2_run_uncompressed;
/* 2-D Group 3 encoding. */
extern const cfe_code cf2_run_eol_1d;
extern const cfe_code cf2_run_eol_2d;
|
