freetype-2.6/src/cff/cffpic.c

/***************************************************************************/
/*                                                                         */
/*  cffpic.c                                                               */
/*                                                                         */
/*    The FreeType position independent code services for cff module.      */
/*                                                                         */
/*  Copyright 2009-2015 by                                                 */
/*  Oran Agra and Mickey Gabel.                                            */
/*                                                                         */
/*  This file is part of the FreeType project, and may only be used,       */
/*  modified, and distributed under the terms of the FreeType project      */
/*  license, LICENSE.TXT.  By continuing to use, modify, or distribute     */
/*  this file you indicate that you have read the license and              */
/*  understand and accept it fully.                                        */
/*                                                                         */
/***************************************************************************/


#include <ft2build.h>
#include FT_FREETYPE_H
#include FT_INTERNAL_OBJECTS_H
#include "cffcmap.h"
#include "cffpic.h"
#include "cfferrs.h"


#ifdef FT_CONFIG_OPTION_PIC

  /* forward declaration of PIC init functions from cffdrivr.c */
  FT_Error
  FT_Create_Class_cff_services( FT_Library           library,
                                FT_ServiceDescRec**  output_class );
  void
  FT_Destroy_Class_cff_services( FT_Library          library,
                                 FT_ServiceDescRec*  clazz );
  void
  FT_Init_Class_cff_service_ps_info( FT_Library             library,
                                     FT_Service_PsInfoRec*  clazz );
  void
  FT_Init_Class_cff_service_glyph_dict( FT_Library                library,
                                        FT_Service_GlyphDictRec*  clazz );
  void
  FT_Init_Class_cff_service_ps_name( FT_Library                 library,
                                     FT_Service_PsFontNameRec*  clazz );
  void
  FT_Init_Class_cff_service_get_cmap_info( FT_Library              library,
                                           FT_Service_TTCMapsRec*  clazz );
  void
  FT_Init_Class_cff_service_cid_info( FT_Library          library,
                                      FT_Service_CIDRec*  clazz );

  /* forward declaration of PIC init functions from cffparse.c */
  FT_Error
  FT_Create_Class_cff_field_handlers( FT_Library           library,
                                      CFF_Field_Handler**  output_class );
  void
  FT_Destroy_Class_cff_field_handlers( FT_Library          library,
                                       CFF_Field_Handler*  clazz );


  void
  cff_driver_class_pic_free( FT_Library  library )
  {
    FT_PIC_Container*  pic_container = &library->pic_container;
    FT_Memory          memory        = library->memory;


    if ( pic_container->cff )
    {
      CffModulePIC*  container = (CffModulePIC*)pic_container->cff;


      if ( container->cff_services )
        FT_Destroy_Class_cff_services( library,
                                       container->cff_services );
      container->cff_services = NULL;
      if ( container->cff_field_handlers )
        FT_Destroy_Class_cff_field_handlers(
          library, container->cff_field_handlers );
      container->cff_field_handlers = NULL;
      FT_FREE( container );
      pic_container->cff = NULL;
    }
  }


  FT_Error
  cff_driver_class_pic_init( FT_Library  library )
  {
    FT_PIC_Container*  pic_container = &library->pic_container;
    FT_Error           error         = FT_Err_Ok;
    CffModulePIC*      container     = NULL;
    FT_Memory          memory        = library->memory;


    /* allocate pointer, clear and set global container pointer */
    if ( FT_ALLOC ( container, sizeof ( *container ) ) )
      return error;
    FT_MEM_SET( container, 0, sizeof ( *container ) );
    pic_container->cff = container;

    /* initialize pointer table -                       */
    /* this is how the module usually expects this data */
    error = FT_Create_Class_cff_services( library,
                                          &container->cff_services );
    if ( error )
      goto Exit;

    error = FT_Create_Class_cff_field_handlers(
              library, &container->cff_field_handlers );
    if ( error )
      goto Exit;

    FT_Init_Class_cff_service_ps_info(
      library, &container->cff_service_ps_info );
    FT_Init_Class_cff_service_glyph_dict(
      library, &container->cff_service_glyph_dict );
    FT_Init_Class_cff_service_ps_name(
      library, &container->cff_service_ps_name );
    FT_Init_Class_cff_service_get_cmap_info(
      library, &container->cff_service_get_cmap_info );
    FT_Init_Class_cff_service_cid_info(
      library, &container->cff_service_cid_info );
    FT_Init_Class_cff_cmap_encoding_class_rec(
      library, &container->cff_cmap_encoding_class_rec );
    FT_Init_Class_cff_cmap_unicode_class_rec(
      library, &container->cff_cmap_unicode_class_rec );

  Exit:
    if ( error )
      cff_driver_class_pic_free( library );
    return error;
  }

#endif /* FT_CONFIG_OPTION_PIC */


/* END */