/***************************************************************************/

/*                                                                         */

/*  ttpic.c                                                                */

/*                                                                         */

/*    The FreeType position independent code services for truetype module. */

/*                                                                         */

/*  Copyright 2009-2017 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 "ttpic.h"

#include "tterrors.h"

#ifdef FT_CONFIG_OPTION_PIC

  /* forward declaration of PIC init functions from ttdriver.c */

  FT_Error

  FT_Create_Class_tt_services( FT_Library           library,

                               FT_ServiceDescRec**  output_class );

  void

  FT_Destroy_Class_tt_services( FT_Library          library,

                                FT_ServiceDescRec*  clazz );

  void

  FT_Init_Class_tt_service_gx_multi_masters(

    FT_Service_MultiMastersRec*  sv_mm );

  void

  FT_Init_Class_tt_service_truetype_glyf(

    FT_Service_TTGlyfRec*  sv_ttglyf );

  void

  tt_driver_class_pic_free( FT_Library  library )

  {

    FT_PIC_Container*  pic_container = &library->pic_container;

    FT_Memory          memory        = library->memory;

    if ( pic_container->truetype )

    {

      TTModulePIC*  container = (TTModulePIC*)pic_container->truetype;

      if ( container->tt_services )

        FT_Destroy_Class_tt_services( library, container->tt_services );

      container->tt_services = NULL;

      FT_FREE( container );

      pic_container->truetype = NULL;

    }

  }

  FT_Error

  tt_driver_class_pic_init( FT_Library  library )

  {

    FT_PIC_Container*  pic_container = &library->pic_container;

    FT_Error           error         = FT_Err_Ok;

    TTModulePIC*       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->truetype = container;

    /* initialize pointer table - this is how the module usually */

    /* expects this data                                         */

    error = FT_Create_Class_tt_services( library,

                                         &container->tt_services );

    if ( error )

      goto Exit;

#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT

    FT_Init_Class_tt_service_gx_multi_masters(

      &container->tt_service_gx_multi_masters );

#endif

    FT_Init_Class_tt_service_truetype_glyf(

      &container->tt_service_truetype_glyf );

  Exit:

    if ( error )

      tt_driver_class_pic_free( library );

    return error;

  }

#endif /* FT_CONFIG_OPTION_PIC */

/* END */