kc3-lang/freetype/src/smooth/ftspic.c

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• Hash : f57fc59e
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  Date : 2015-01-17T20:41:43
  

  Run `src/tools/update-copyright'.

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• src/smooth/ftspic.c

• /***************************************************************************/
  /*                                                                         */
  /*  ftspic.c                                                               */
  /*                                                                         */
  /*    The FreeType position independent code services for smooth 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 "ftspic.h"
  #include "ftsmerrs.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*  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         = FT_Err_Ok;
      SmoothPIC*         container     = NULL;
      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 );
  
      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 */
  

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