/modules/freetype2/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
 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 = SFNT_Err_Ok;
 65    sfntModulePIC*     container;
 66    FT_Memory          memory = library->memory;
 67
 68
 69    /* allocate pointer, clear and set global container pointer */
 70    if ( FT_ALLOC ( container, sizeof ( *container ) ) )
 71      return error;
 72    FT_MEM_SET( container, 0, sizeof ( *container ) );
 73    pic_container->sfnt = container;
 74
 75    /* initialize pointer table - this is how the module usually expects this data */
 76    error = FT_Create_Class_sfnt_services(library, &container->sfnt_services);
 77    if(error) 
 78      goto Exit;
 79    error = FT_Create_Class_tt_cmap_classes(library, &container->tt_cmap_classes);
 80    if(error) 
 81      goto Exit;
 82    FT_Init_Class_sfnt_service_glyph_dict(library, &container->sfnt_service_glyph_dict);
 83    FT_Init_Class_sfnt_service_ps_name(library, &container->sfnt_service_ps_name);
 84    FT_Init_Class_tt_service_get_cmap_info(library, &container->tt_service_get_cmap_info);
 85    FT_Init_Class_sfnt_service_sfnt_table(&container->sfnt_service_sfnt_table);
 86#ifdef TT_CONFIG_OPTION_BDF
 87    FT_Init_Class_sfnt_service_bdf(&container->sfnt_service_bdf);
 88#endif
 89    FT_Init_Class_sfnt_interface(library, &container->sfnt_interface);
 90
 91Exit:
 92    if(error)
 93      sfnt_module_class_pic_free(library);
 94    return error;
 95  }
 96
 97
 98
 99#endif /* FT_CONFIG_OPTION_PIC */
100
101
102/* END */