1/***************************************************************************/
2/* */
3/* afpic.c */
4/* */
5/* The FreeType position independent code services for autofit module. */
6/* */
7/* Copyright 2009-2018 by */
8/* Oran Agra and Mickey Gabel. */
9/* */
10/* This file is part of the FreeType project, and may only be used, */
11/* modified, and distributed under the terms of the FreeType project */
12/* license, LICENSE.TXT. By continuing to use, modify, or distribute */
13/* this file you indicate that you have read the license and */
14/* understand and accept it fully. */
15/* */
16/***************************************************************************/
17
18
19#include <ft2build.h>
20#include FT_FREETYPE_H
21#include FT_INTERNAL_OBJECTS_H
22#include "afpic.h"
23#include "afglobal.h"
24#include "aferrors.h"
25
26
27#ifdef FT_CONFIG_OPTION_PIC
28
29 /* forward declaration of PIC init functions from afmodule.c */
30 FT_Error
31 FT_Create_Class_af_services( FT_Library library,
32 FT_ServiceDescRec** output_class );
33
34 void
35 FT_Destroy_Class_af_services( FT_Library library,
36 FT_ServiceDescRec* clazz );
37
38 void
39 FT_Init_Class_af_service_properties( FT_Service_PropertiesRec* clazz );
40
41 void FT_Init_Class_af_autofitter_interface(
42 FT_Library library,
43 FT_AutoHinter_InterfaceRec* clazz );
44
45
46 /* forward declaration of PIC init functions from writing system classes */
47#undef WRITING_SYSTEM
48#define WRITING_SYSTEM( ws, WS ) /* empty */
49
50#include "afwrtsys.h"
51
52
53 void
54 autofit_module_class_pic_free( FT_Library library )
55 {
56 FT_PIC_Container* pic_container = &library->pic_container;
57 FT_Memory memory = library->memory;
58
59
60 if ( pic_container->autofit )
61 {
62 AFModulePIC* container = (AFModulePIC*)pic_container->autofit;
63
64
65 if ( container->af_services )
66 FT_Destroy_Class_af_services( library,
67 container->af_services );
68 container->af_services = NULL;
69
70 FT_FREE( container );
71 pic_container->autofit = NULL;
72 }
73 }
74
75
76 FT_Error
77 autofit_module_class_pic_init( FT_Library library )
78 {
79 FT_PIC_Container* pic_container = &library->pic_container;
80 FT_UInt ss;
81 FT_Error error = FT_Err_Ok;
82 AFModulePIC* container = NULL;
83 FT_Memory memory = library->memory;
84
85
86 /* allocate pointer, clear and set global container pointer */
87 if ( FT_ALLOC ( container, sizeof ( *container ) ) )
88 return error;
89 FT_MEM_SET( container, 0, sizeof ( *container ) );
90 pic_container->autofit = container;
91
92 /* initialize pointer table - */
93 /* this is how the module usually expects this data */
94 error = FT_Create_Class_af_services( library,
95 &container->af_services );
96 if ( error )
97 goto Exit;
98
99 FT_Init_Class_af_service_properties( &container->af_service_properties );
100
101 for ( ss = 0; ss < AF_WRITING_SYSTEM_MAX; ss++ )
102 container->af_writing_system_classes[ss] =
103 &container->af_writing_system_classes_rec[ss];
104 container->af_writing_system_classes[AF_WRITING_SYSTEM_MAX] = NULL;
105
106 for ( ss = 0; ss < AF_SCRIPT_MAX; ss++ )
107 container->af_script_classes[ss] =
108 &container->af_script_classes_rec[ss];
109 container->af_script_classes[AF_SCRIPT_MAX] = NULL;
110
111 for ( ss = 0; ss < AF_STYLE_MAX; ss++ )
112 container->af_style_classes[ss] =
113 &container->af_style_classes_rec[ss];
114 container->af_style_classes[AF_STYLE_MAX] = NULL;
115
116#undef WRITING_SYSTEM
117#define WRITING_SYSTEM( ws, WS ) \
118 FT_Init_Class_af_ ## ws ## _writing_system_class( \
119 &container->af_writing_system_classes_rec[ss++] );
120
121 ss = 0;
122#include "afwrtsys.h"
123
124#undef SCRIPT
125#define SCRIPT( s, S, d, h, H, sss ) \
126 FT_Init_Class_af_ ## s ## _script_class( \
127 &container->af_script_classes_rec[ss++] );
128
129 ss = 0;
130#include "afscript.h"
131
132#undef STYLE
133#define STYLE( s, S, d, ws, sc, bss, c ) \
134 FT_Init_Class_af_ ## s ## _style_class( \
135 &container->af_style_classes_rec[ss++] );
136
137 ss = 0;
138#include "afstyles.h"
139
140 FT_Init_Class_af_autofitter_interface(
141 library, &container->af_autofitter_interface );
142
143 Exit:
144 if ( error )
145 autofit_module_class_pic_free( library );
146 return error;
147 }
148
149#endif /* FT_CONFIG_OPTION_PIC */
150
151
152/* END */
153