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, 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 <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 */