src/psnames/pspic.c

   1 /***************************************************************************/
   2 /*                                                                         */
   3 /*  pspic.c                                                                */
   4 /*                                                                         */
   5 /*    The FreeType position independent code services for psnames 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 "pspic.h"
  23 #include "psnamerr.h"
  24
  25 #ifdef FT_CONFIG_OPTION_PIC
  26
  27   /* forward declaration of PIC init functions from psmodule.c */
  28   FT_Error
  29   FT_Create_Class_pscmaps_services( FT_Library           library,
  30                                     FT_ServiceDescRec**  output_class );
  31   void
  32   FT_Destroy_Class_pscmaps_services( FT_Library          library,
  33                                      FT_ServiceDescRec*  clazz );
  34
  35   void
  36   FT_Init_Class_pscmaps_interface( FT_Library              library,
  37                                    FT_Service_PsCMapsRec*  clazz );
  38
  39   void
  40   psnames_module_class_pic_free( FT_Library  library )
  41   {
  42     FT_PIC_Container*  pic_container = &library->pic_container;
  43     FT_Memory  memory = library->memory;
  44
  45
  46     if ( pic_container->psnames )
  47     {
  48       PSModulePIC*  container = (PSModulePIC*)pic_container->psnames;
  49
  50
  51       if(container->pscmaps_services)
  52         FT_Destroy_Class_pscmaps_services( library,
  53                                            container->pscmaps_services );
  54       container->pscmaps_services = NULL;
  55       FT_FREE( container );
  56       pic_container->psnames = NULL;
  57     }
  58   }
  59
  60
  61   FT_Error
  62   psnames_module_class_pic_init( FT_Library  library )
  63   {
  64     FT_PIC_Container*  pic_container = &library->pic_container;
  65     FT_Error           error         = PSnames_Err_Ok;
  66     PSModulePIC*       container;
  67     FT_Memory          memory        = library->memory;
  68
  69
  70     /* allocate pointer, clear and set global container pointer */
  71     if ( FT_ALLOC ( container, sizeof ( *container ) ) )
  72       return error;
  73     FT_MEM_SET( container, 0, sizeof ( *container ) );
  74     pic_container->psnames = container;
  75
  76     /* initialize pointer table - this is how the module usually expects this data */
  77     error = FT_Create_Class_pscmaps_services(
  78               library, &container->pscmaps_services );
  79     if ( error )
  80       goto Exit;
  81     FT_Init_Class_pscmaps_interface( library,
  82                                      &container->pscmaps_interface );
  83
  84 Exit:
  85     if ( error )
  86       psnames_module_class_pic_free( library );
  87     return error;
  88   }
  89
  90
  91 #endif /* FT_CONFIG_OPTION_PIC */
  92
  93
  94 /* END */