src/sfnt/sfntpic.c

   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
 135 Exit:
 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 */