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  1. /***************************************************************************/
  2. /*                                                                         */
  3. /*  cffpic.c                                                               */
  4. /*                                                                         */
  5. /*    The FreeType position independent code services for cff 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 "cffcmap.h"
  23. #include "cffpic.h"
  24. #include "cfferrs.h"
  25.  
  26.  
  27. #ifdef FT_CONFIG_OPTION_PIC
  28.  
  29.   /* forward declaration of PIC init functions from cffdrivr.c */
  30.   FT_Error
  31.   FT_Create_Class_cff_services( FT_Library           library,
  32.                                 FT_ServiceDescRec**  output_class );
  33.   void
  34.   FT_Destroy_Class_cff_services( FT_Library          library,
  35.                                  FT_ServiceDescRec*  clazz );
  36.   void
  37.   FT_Init_Class_cff_service_ps_info( FT_Library             library,
  38.                                      FT_Service_PsInfoRec*  clazz );
  39.   void
  40.   FT_Init_Class_cff_service_glyph_dict( FT_Library                library,
  41.                                         FT_Service_GlyphDictRec*  clazz );
  42.   void
  43.   FT_Init_Class_cff_service_ps_name( FT_Library                 library,
  44.                                      FT_Service_PsFontNameRec*  clazz );
  45.   void
  46.   FT_Init_Class_cff_service_get_cmap_info( FT_Library              library,
  47.                                            FT_Service_TTCMapsRec*  clazz );
  48.   void
  49.   FT_Init_Class_cff_service_cid_info( FT_Library          library,
  50.                                       FT_Service_CIDRec*  clazz );
  51.  
  52.   /* forward declaration of PIC init functions from cffparse.c */
  53.   FT_Error
  54.   FT_Create_Class_cff_field_handlers( FT_Library           library,
  55.                                       CFF_Field_Handler**  output_class );
  56.   void
  57.   FT_Destroy_Class_cff_field_handlers( FT_Library          library,
  58.                                        CFF_Field_Handler*  clazz );
  59.  
  60.  
  61.   void
  62.   cff_driver_class_pic_free( FT_Library  library )
  63.   {
  64.     FT_PIC_Container*  pic_container = &library->pic_container;
  65.     FT_Memory          memory        = library->memory;
  66.  
  67.  
  68.     if ( pic_container->cff )
  69.     {
  70.       CffModulePIC*  container = (CffModulePIC*)pic_container->cff;
  71.  
  72.  
  73.       if ( container->cff_services )
  74.         FT_Destroy_Class_cff_services( library,
  75.                                        container->cff_services );
  76.       container->cff_services = NULL;
  77.       if ( container->cff_field_handlers )
  78.         FT_Destroy_Class_cff_field_handlers(
  79.           library, container->cff_field_handlers );
  80.       container->cff_field_handlers = NULL;
  81.       FT_FREE( container );
  82.       pic_container->cff = NULL;
  83.     }
  84.   }
  85.  
  86.  
  87.   FT_Error
  88.   cff_driver_class_pic_init( FT_Library  library )
  89.   {
  90.     FT_PIC_Container*  pic_container = &library->pic_container;
  91.     FT_Error           error         = FT_Err_Ok;
  92.     CffModulePIC*      container     = NULL;
  93.     FT_Memory          memory        = library->memory;
  94.  
  95.  
  96.     /* allocate pointer, clear and set global container pointer */
  97.     if ( FT_ALLOC ( container, sizeof ( *container ) ) )
  98.       return error;
  99.     FT_MEM_SET( container, 0, sizeof ( *container ) );
  100.     pic_container->cff = container;
  101.  
  102.     /* initialize pointer table -                       */
  103.     /* this is how the module usually expects this data */
  104.     error = FT_Create_Class_cff_services( library,
  105.                                           &container->cff_services );
  106.     if ( error )
  107.       goto Exit;
  108.  
  109.     error = FT_Create_Class_cff_field_handlers(
  110.               library, &container->cff_field_handlers );
  111.     if ( error )
  112.       goto Exit;
  113.  
  114.     FT_Init_Class_cff_service_ps_info(
  115.       library, &container->cff_service_ps_info );
  116.     FT_Init_Class_cff_service_glyph_dict(
  117.       library, &container->cff_service_glyph_dict );
  118.     FT_Init_Class_cff_service_ps_name(
  119.       library, &container->cff_service_ps_name );
  120.     FT_Init_Class_cff_service_get_cmap_info(
  121.       library, &container->cff_service_get_cmap_info );
  122.     FT_Init_Class_cff_service_cid_info(
  123.       library, &container->cff_service_cid_info );
  124.     FT_Init_Class_cff_cmap_encoding_class_rec(
  125.       library, &container->cff_cmap_encoding_class_rec );
  126.     FT_Init_Class_cff_cmap_unicode_class_rec(
  127.       library, &container->cff_cmap_unicode_class_rec );
  128.  
  129.   Exit:
  130.     if ( error )
  131.       cff_driver_class_pic_free( library );
  132.     return error;
  133.   }
  134.  
  135. #endif /* FT_CONFIG_OPTION_PIC */
  136.  
  137.  
  138. /* END */
  139.