1/***************************************************************************/
2/*                                                                         */
3/*  sfntpic.c                                                              */
4/*                                                                         */
5/*    The FreeType position independent code services for sfnt module.     */
6/*                                                                         */
7/*  Copyright 2009, 2010, 2012, 2013 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 "../../include/ft2build.h"
20#include "../../include/freetype/freetype.h"
21#include "../../include/freetype/internal/ftobjs.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