1/***************************************************************************/
2/* */
3/* sfntpic.c */
4/* */
5/* The FreeType position independent code services for sfnt 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 "sfntpic.h"
23#include "sferrors.h"
24
25
26#ifdef FT_CONFIG_OPTION_PIC
27
28 /* forward declaration of PIC init functions from sfdriver.c */
29 FT_Error
30 FT_Create_Class_sfnt_services( FT_Library library,
31 FT_ServiceDescRec** output_class );
32 void
33 FT_Destroy_Class_sfnt_services( FT_Library library,
34 FT_ServiceDescRec* clazz );
35 void
36 FT_Init_Class_sfnt_service_bdf( FT_Service_BDFRec* clazz );
37 void
38 FT_Init_Class_sfnt_interface( FT_Library library,
39 SFNT_Interface* clazz );
40 void
41 FT_Init_Class_sfnt_service_glyph_dict(
42 FT_Library library,
43 FT_Service_GlyphDictRec* clazz );
44 void
45 FT_Init_Class_sfnt_service_ps_name(
46 FT_Library library,
47 FT_Service_PsFontNameRec* clazz );
48 void
49 FT_Init_Class_tt_service_get_cmap_info(
50 FT_Library library,
51 FT_Service_TTCMapsRec* clazz );
52 void
53 FT_Init_Class_sfnt_service_sfnt_table(
54 FT_Service_SFNT_TableRec* clazz );
55
56
57 /* forward declaration of PIC init functions from ttcmap.c */
58 FT_Error
59 FT_Create_Class_tt_cmap_classes( FT_Library library,
60 TT_CMap_Class** output_class );
61 void
62 FT_Destroy_Class_tt_cmap_classes( FT_Library library,
63 TT_CMap_Class* clazz );
64
65
66 void
67 sfnt_module_class_pic_free( FT_Library library )
68 {
69 FT_PIC_Container* pic_container = &library->pic_container;
70 FT_Memory memory = library->memory;
71
72
73 if ( pic_container->sfnt )
74 {
75 sfntModulePIC* container = (sfntModulePIC*)pic_container->sfnt;
76
77
78 if ( container->sfnt_services )
79 FT_Destroy_Class_sfnt_services( library,
80 container->sfnt_services );
81 container->sfnt_services = NULL;
82
83 if ( container->tt_cmap_classes )
84 FT_Destroy_Class_tt_cmap_classes( library,
85 container->tt_cmap_classes );
86 container->tt_cmap_classes = NULL;
87
88 FT_FREE( container );
89 pic_container->sfnt = NULL;
90 }
91 }
92
93
94 FT_Error
95 sfnt_module_class_pic_init( FT_Library library )
96 {
97 FT_PIC_Container* pic_container = &library->pic_container;
98 FT_Error error = FT_Err_Ok;
99 sfntModulePIC* container = NULL;
100 FT_Memory memory = library->memory;
101
102
103 /* allocate pointer, clear and set global container pointer */
104 if ( FT_ALLOC( container, sizeof ( *container ) ) )
105 return error;
106 FT_MEM_SET( container, 0, sizeof ( *container ) );
107 pic_container->sfnt = container;
108
109 /* initialize pointer table - */
110 /* this is how the module usually expects this data */
111 error = FT_Create_Class_sfnt_services( library,
112 &container->sfnt_services );
113 if ( error )
114 goto Exit;
115
116 error = FT_Create_Class_tt_cmap_classes( library,
117 &container->tt_cmap_classes );
118 if ( error )
119 goto Exit;
120
121 FT_Init_Class_sfnt_service_glyph_dict(
122 library, &container->sfnt_service_glyph_dict );
123 FT_Init_Class_sfnt_service_ps_name(
124 library, &container->sfnt_service_ps_name );
125 FT_Init_Class_tt_service_get_cmap_info(
126 library, &container->tt_service_get_cmap_info );
127 FT_Init_Class_sfnt_service_sfnt_table(
128 &container->sfnt_service_sfnt_table );
129#ifdef TT_CONFIG_OPTION_BDF
130 FT_Init_Class_sfnt_service_bdf( &container->sfnt_service_bdf );
131#endif
132 FT_Init_Class_sfnt_interface( library, &container->sfnt_interface );
133
134 Exit:
135 if ( error )
136 sfnt_module_class_pic_free( library );
137 return error;
138 }
139
140#endif /* FT_CONFIG_OPTION_PIC */
141
142
143/* END */
144