thirdparty/freetype-2.3.12/src/sfnt/sfntpic.c

   1 /***************************************************************************/
   2 /*                                                                         */
   3 /*  sfntpic.c                                                              */
   4 /*                                                                         */
   5 /*    The FreeType position independent code services for sfnt module.     */
   6 /*                                                                         */
   7 /*  Copyright 2009 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
  24 #ifdef FT_CONFIG_OPTION_PIC
  25
  26   /* forward declaration of PIC init functions from sfdriver.c */
  27   FT_Error FT_Create_Class_sfnt_services( FT_Library, FT_ServiceDescRec**);
  28   void FT_Destroy_Class_sfnt_services( FT_Library, FT_ServiceDescRec*);
  29   void FT_Init_Class_sfnt_service_bdf( FT_Service_BDFRec*);
  30   void FT_Init_Class_sfnt_interface( FT_Library, SFNT_Interface*);
  31   void FT_Init_Class_sfnt_service_glyph_dict( FT_Library, FT_Service_GlyphDictRec*);
  32   void FT_Init_Class_sfnt_service_ps_name( FT_Library, FT_Service_PsFontNameRec*);
  33   void FT_Init_Class_tt_service_get_cmap_info( FT_Library, FT_Service_TTCMapsRec*);
  34   void FT_Init_Class_sfnt_service_sfnt_table( FT_Service_SFNT_TableRec*);
  35
  36   /* forward declaration of PIC init functions from ttcmap.c */
  37   FT_Error FT_Create_Class_tt_cmap_classes( FT_Library, TT_CMap_Class**);
  38   void FT_Destroy_Class_tt_cmap_classes( FT_Library, TT_CMap_Class*);
  39
  40   void
  41   sfnt_module_class_pic_free(  FT_Library library )
  42   {
  43     FT_PIC_Container* pic_container = &library->pic_container;
  44     FT_Memory memory = library->memory;
  45     if ( pic_container->sfnt )
  46     {
  47       sfntModulePIC* container = (sfntModulePIC*)pic_container->sfnt;
  48       if(container->sfnt_services)
  49         FT_Destroy_Class_sfnt_services(library, container->sfnt_services);
  50       container->sfnt_services = NULL;
  51       if(container->tt_cmap_classes)
  52         FT_Destroy_Class_tt_cmap_classes(library, container->tt_cmap_classes);
  53       container->tt_cmap_classes = NULL;
  54       FT_FREE( container );
  55       pic_container->sfnt = NULL;
  56     }
  57   }
  58
  59
  60   FT_Error
  61   sfnt_module_class_pic_init(  FT_Library library )
  62   {
  63     FT_PIC_Container* pic_container = &library->pic_container;
  64     FT_Error        error = FT_Err_Ok;
  65     sfntModulePIC* container;
  66     FT_Memory memory = library->memory;
  67
  68     /* allocate pointer, clear and set global container pointer */
  69     if ( FT_ALLOC ( container, sizeof ( *container ) ) )
  70       return error;
  71     FT_MEM_SET( container, 0, sizeof(*container) );
  72     pic_container->sfnt = container;
  73
  74     /* initialize pointer table - this is how the module usually expects this data */
  75     error = FT_Create_Class_sfnt_services(library, &container->sfnt_services);
  76     if(error)
  77       goto Exit;
  78     error = FT_Create_Class_tt_cmap_classes(library, &container->tt_cmap_classes);
  79     if(error)
  80       goto Exit;
  81     FT_Init_Class_sfnt_service_glyph_dict(library, &container->sfnt_service_glyph_dict);
  82     FT_Init_Class_sfnt_service_ps_name(library, &container->sfnt_service_ps_name);
  83     FT_Init_Class_tt_service_get_cmap_info(library, &container->tt_service_get_cmap_info);
  84     FT_Init_Class_sfnt_service_sfnt_table(&container->sfnt_service_sfnt_table);
  85 #ifdef TT_CONFIG_OPTION_BDF
  86     FT_Init_Class_sfnt_service_bdf(&container->sfnt_service_bdf);
  87 #endif
  88     FT_Init_Class_sfnt_interface(library, &container->sfnt_interface);
  89
  90 Exit:
  91     if(error)
  92       sfnt_module_class_pic_free(library);
  93     return error;
  94   }
  95
  96
  97
  98 #endif /* FT_CONFIG_OPTION_PIC */
  99
 100
 101 /* END */