1/***************************************************************************/
2/*                                                                         */
3/*  sfntpic.c                                                              */
4/*                                                                         */
5/*    The FreeType position independent code services for sfnt module.     */
6/*                                                                         */
7/*  Copyright 2009, 2010 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#ifdef FT_CONFIG_OPTION_PIC
26
27  /* forward declaration of PIC init functions from sfdriver.c */
28  FT_Error
29  FT_Create_Class_sfnt_services( FT_Library           library,
30                                 FT_ServiceDescRec**  ouput_class );
31
32  void
33  FT_Destroy_Class_sfnt_services( FT_Library          library,
34                                  FT_ServiceDescRec*  clazz );
35
36  void
37  FT_Init_Class_sfnt_service_bdf( FT_Service_BDFRec*  clazz );
38
39  void
40  FT_Init_Class_sfnt_interface( FT_Library       library,
41                                SFNT_Interface*  clazz );
42
43  void
44  FT_Init_Class_sfnt_service_glyph_dict(
45    FT_Library                library,
46    FT_Service_GlyphDictRec*  clazz );
47
48  void
49  FT_Init_Class_sfnt_service_ps_name(
50    FT_Library                 library,
51    FT_Service_PsFontNameRec*  clazz );
52
53  void
54  FT_Init_Class_tt_service_get_cmap_info(
55    FT_Library              library,
56    FT_Service_TTCMapsRec*  clazz );
57
58  void
59  FT_Init_Class_sfnt_service_sfnt_table(
60    FT_Service_SFNT_TableRec*  clazz );
61
62  /* forward declaration of PIC init functions from ttcmap.c */
63  FT_Error
64  FT_Create_Class_tt_cmap_classes( FT_Library       library,
65                                   TT_CMap_Class**  output_class );
66
67  void
68  FT_Destroy_Class_tt_cmap_classes( FT_Library      library,
69                                    TT_CMap_Class*  clazz );
70
71  void
72  sfnt_module_class_pic_free( FT_Library  library )
73  {
74    FT_PIC_Container*  pic_container = &library->pic_container;
75    FT_Memory  memory = library->memory;
76
77
78    if ( pic_container->sfnt )
79    {
80      sfntModulePIC*  container = (sfntModulePIC*)pic_container->sfnt;
81
82
83      if ( container->sfnt_services )
84        FT_Destroy_Class_sfnt_services( library,
85                                        container->sfnt_services );
86      container->sfnt_services = NULL;
87      if ( container->tt_cmap_classes )
88        FT_Destroy_Class_tt_cmap_classes( library,
89                                          container->tt_cmap_classes );
90      container->tt_cmap_classes = NULL;
91      FT_FREE( container );
92      pic_container->sfnt = NULL;
93    }
94  }
95
96
97  FT_Error
98  sfnt_module_class_pic_init(  FT_Library library )
99  {
100    FT_PIC_Container*  pic_container = &library->pic_container;
101    FT_Error           error = SFNT_Err_Ok;
102    sfntModulePIC*     container;
103    FT_Memory          memory = library->memory;
104
105
106    /* allocate pointer, clear and set global container pointer */
107    if ( FT_ALLOC ( container, sizeof ( *container ) ) )
108      return error;
109    FT_MEM_SET( container, 0, sizeof ( *container ) );
110    pic_container->sfnt = container;
111
112    /* initialize pointer table - this is how the module usually expects this data */
113    error = FT_Create_Class_sfnt_services( library,
114                                           &container->sfnt_services );
115    if ( error )
116      goto Exit;
117    error = FT_Create_Class_tt_cmap_classes( library,
118                                             &container->tt_cmap_classes );
119    if ( error )
120      goto Exit;
121
122    FT_Init_Class_sfnt_service_glyph_dict(
123      library, &container->sfnt_service_glyph_dict );
124    FT_Init_Class_sfnt_service_ps_name(
125      library, &container->sfnt_service_ps_name );
126    FT_Init_Class_tt_service_get_cmap_info(
127      library, &container->tt_service_get_cmap_info );
128    FT_Init_Class_sfnt_service_sfnt_table(
129      &container->sfnt_service_sfnt_table );
130#ifdef TT_CONFIG_OPTION_BDF
131    FT_Init_Class_sfnt_service_bdf( &container->sfnt_service_bdf );
132#endif
133    FT_Init_Class_sfnt_interface( library, &container->sfnt_interface );
134
135Exit:
136    if ( error )
137      sfnt_module_class_pic_free( library );
138    return error;
139  }
140
141
142
143#endif /* FT_CONFIG_OPTION_PIC */
144
145
146/* END */
147