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
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
|
/*
* hre_internal.h: Internal Interface for Recognizer.
* Author: James Kempf
* Created On: Thu Nov 5 10:54:18 1992
* Last Modified By: James Kempf
* Last Modified On: Fri Sep 23 13:51:15 1994
* Update Count: 99
* Copyright (c) 1994 by Sun Microsystems Computer Company
* All rights reserved.
*
* Use and copying of this software and preparation of
* derivative works based upon this software are permitted.
* Any distribution of this software or derivative works
* must comply with all applicable United States export control
* laws.
*
* This software is made available as is, and Sun Microsystems
* Computer Company makes no warranty about the software, its
* performance, or its conformity to any specification
*/
/*Avoids forward reference problem.*/
/*
* Internal view of wordset. The recognition engine uses this view to
* maintain information about which recognizer object this wordset
* belongs to, which file (in case it needs to be saved), and internal
* data structures.
*/
struct _wordset {
char* ws_pathname; /*Path name to word set file.*/
recognizer ws_recognizer; /*To whom it belongs.*/
void* ws_internal; /*Internal data structures.*/
};
/*
* Internal view of the recognizer struct. This view is only available
* to OEM clients who implement a recognizer shared library. Clients
* of the recognizer itself see it as an opaque data type. The struct
* contains a function pointer for each function in the client API.
*/
struct _Recognizer {
uint recognizer_magic;
char *recognizer_version;
rec_info *recognizer_info;
void *recognizer_specific;
int (*recognizer_load_state)(struct _Recognizer*, char*, char*);
int (*recognizer_save_state)(struct _Recognizer*, char*, char*);
char* (*recognizer_error)(struct _Recognizer*);
wordset (*recognizer_load_dictionary)(struct _Recognizer*, char*, char*);
int (*recognizer_save_dictionary)(struct _Recognizer*, char*, char*, wordset);
int (*recognizer_free_dictionary)(struct _Recognizer*, wordset);
int (*recognizer_add_to_dictionary)(struct _Recognizer*, letterset*, wordset);
int (*recognizer_delete_from_dictionary)(struct _Recognizer*, letterset*, wordset);
int (*recognizer_set_context)(struct _Recognizer*,rc*);
rc* (*recognizer_get_context)(struct _Recognizer*);
int (*recognizer_clear)(struct _Recognizer*, bool);
int (*recognizer_get_buffer)(struct _Recognizer*, uint*, Stroke**);
int (*recognizer_set_buffer)(struct _Recognizer*, uint, Stroke*);
int (*recognizer_translate)(struct _Recognizer*, uint, Stroke*, bool, int*, rec_alternative**);
rec_fn* (*recognizer_get_extension_functions)(struct _Recognizer*);
char** (*recognizer_get_gesture_names)(struct _Recognizer*);
xgesture (*recognizer_set_gesture_action)(struct _Recognizer*, char*, xgesture, void*);
uint recognizer_end_magic;
};
/*
* recognizer_internal_initialize - Allocate and initialize the recognizer
* object. The recognition shared library has the responsibility for filling
* in all the function pointers for the recognition functions. This
* function must be defined as a global function within the shared
* library, so it can be accessed using dlsym() when the recognizer
* shared library is loaded. It returns NULL if an error occured and
* sets errno to indicate what.
*/
typedef recognizer (*recognizer_internal_initialize)(rec_info* ri);
/*Function header definition for recognizer internal initializer.*/
#define RECOGNIZER_INITIALIZE(_a) \
recognizer __recognizer_internal_initialize(rec_info* _a)
/*
* recognizer_internal_finalize - Deallocate and deinitialize the recognizer
* object. If the recognizer has allocated any additional storage, it should
* be deallocated as well. Returns 0 if successful, -1 if the argument
* wasn't a recognizer or wasn't a recognizer handled by this library.
*/
typedef int (*recognizer_internal_finalize)(recognizer r);
#define RECOGNIZER_FINALIZE(_a) \
int __recognizer_internal_finalize(recognizer _a)
/*
* The following are for creating HRE structures.
*/
recognizer make_recognizer(rec_info* ri);
void delete_recognizer(recognizer rec);
RECOGNIZER_FINALIZE(_a);
rec_alternative* make_rec_alternative_array(uint size);
rec_correlation* make_rec_correlation(char type, uint size, void* trans, rec_confidence conf, uint ps_size);
rec_fn*
make_rec_fn_array(uint size);
void
delete_rec_fn_array(rec_fn* rf);
gesture*
initialize_gesture(gesture* g,
char* name,
uint nhs,
pen_point* hspots,
pen_rect bbox,
xgesture cback,
void* wsinfo);
gesture*
make_gesture_array(uint size);
void
delete_gesture_array(uint size,gesture* ga,bool delete_points_p);
Stroke*
concatenate_Strokes(int nstrokes1,
Stroke* strokes1,
int nstrokes2,
Stroke* strokes2,
int* nstrokes3,
Stroke** strokes3);
rec_alternative* initialize_rec_alternative(rec_alternative* ra, uint);
rec_element* initialize_rec_element(rec_element*, char, uint, void*, rec_confidence);
/*
* Pathnames, etc.
*/
#define REC_DEFAULT_LOCALE "C"
#define RECHOME "RECHOME"
#define LANG "LANG"
|
