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

/*                                                                         */

/*  ftspic.c                                                               */

/*                                                                         */

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

/*                                                                         */

/*  Copyright 2009, 2010 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 "ftspic.h"

#ifdef FT_CONFIG_OPTION_PIC

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

  void FT_Init_Class_ft_grays_raster(FT_Raster_Funcs*);

  void

  ft_smooth_renderer_class_pic_free(  FT_Library library )

  {

    FT_PIC_Container* pic_container = &library->pic_container;

    FT_Memory memory = library->memory;

    if ( pic_container->smooth )

    {

      SmoothPIC* container = (SmoothPIC*)pic_container->smooth;

      if(--container->ref_count)

        return;

      FT_FREE( container );

      pic_container->smooth = NULL;

    }

  }

  FT_Error

  ft_smooth_renderer_class_pic_init( FT_Library  library )

  {

    FT_PIC_Container*  pic_container = &library->pic_container;

    FT_Error           error         = Smooth_Err_Ok;

    SmoothPIC*         container;

    FT_Memory          memory        = library->memory;

    /* since this function also serve smooth_lcd and smooth_lcdv renderers, 

       it implements reference counting */

    if(pic_container->smooth)

    {

      ((SmoothPIC*)pic_container->smooth)->ref_count++;

      return error;

    }

    /* 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->smooth = container;

    container->ref_count = 1;

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

    FT_Init_Class_ft_grays_raster(&container->ft_grays_raster);

/*Exit:*/

    if(error)

      ft_smooth_renderer_class_pic_free(library);

    return error;

  }

  /* re-route these init and free functions to the above functions */

  FT_Error ft_smooth_lcd_renderer_class_pic_init(FT_Library library)

  {

    return ft_smooth_renderer_class_pic_init(library);

  }

  void ft_smooth_lcd_renderer_class_pic_free(FT_Library library)

  {

    ft_smooth_renderer_class_pic_free(library);

  }

  FT_Error ft_smooth_lcdv_renderer_class_pic_init(FT_Library library)

  {

    return ft_smooth_renderer_class_pic_init(library);

  }

  void ft_smooth_lcdv_renderer_class_pic_free(FT_Library library)

  {

    ft_smooth_renderer_class_pic_free(library);

  }

#endif /* FT_CONFIG_OPTION_PIC */

/* END */