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Viewing changes to tests/freetype/src/smooth/ftspic.c

  • Committer: Package Import Robot
  • Author(s): Sylvestre Ledru
  • Date: 2013-05-02 13:11:51 UTC
  • Revision ID: package-import@ubuntu.com-20130502131151-q8dvteqr1ef2x7xz
Tags: upstream-1.4.1~20130504~adb56cb
Import upstream version 1.4.1~20130504~adb56cb

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tests/freetype/src/smooth/ftspic.c
 
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/***************************************************************************/
 
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/*                                                                         */
 
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/*  ftspic.c                                                               */
 
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/*                                                                         */
 
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/*    The FreeType position independent code services for smooth module.   */
 
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/*                                                                         */
 
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/*  Copyright 2009, 2010 by                                                */
 
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/*  Oran Agra and Mickey Gabel.                                            */
 
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/*                                                                         */
 
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/*  This file is part of the FreeType project, and may only be used,       */
 
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/*  modified, and distributed under the terms of the FreeType project      */
 
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/*  license, LICENSE.TXT.  By continuing to use, modify, or distribute     */
 
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/*  this file you indicate that you have read the license and              */
 
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/*  understand and accept it fully.                                        */
 
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/*                                                                         */
 
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/***************************************************************************/
 
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#include <ft2build.h>
 
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#include FT_FREETYPE_H
 
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#include FT_INTERNAL_OBJECTS_H
 
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#include "ftspic.h"
 
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#ifdef FT_CONFIG_OPTION_PIC
 
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  /* forward declaration of PIC init functions from ftgrays.c */
 
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  void FT_Init_Class_ft_grays_raster(FT_Raster_Funcs*);
 
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  void
 
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  ft_smooth_renderer_class_pic_free(  FT_Library library )
 
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  {
 
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    FT_PIC_Container* pic_container = &library->pic_container;
 
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    FT_Memory memory = library->memory;
 
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    if ( pic_container->smooth )
 
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    {
 
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      SmoothPIC* container = (SmoothPIC*)pic_container->smooth;
 
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      if(--container->ref_count)
 
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        return;
 
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      FT_FREE( container );
 
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      pic_container->smooth = NULL;
 
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    }
 
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  }
 
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  FT_Error
 
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  ft_smooth_renderer_class_pic_init( FT_Library  library )
 
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  {
 
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    FT_PIC_Container*  pic_container = &library->pic_container;
 
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    FT_Error           error         = Smooth_Err_Ok;
 
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    SmoothPIC*         container;
 
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    FT_Memory          memory        = library->memory;
 
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    /* since this function also serve smooth_lcd and smooth_lcdv renderers, 
 
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       it implements reference counting */
 
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    if(pic_container->smooth)
 
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    {
 
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      ((SmoothPIC*)pic_container->smooth)->ref_count++;
 
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      return error;
 
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    }
 
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    /* allocate pointer, clear and set global container pointer */
 
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    if ( FT_ALLOC ( container, sizeof ( *container ) ) )
 
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      return error;
 
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    FT_MEM_SET( container, 0, sizeof(*container) );
 
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    pic_container->smooth = container;
 
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    container->ref_count = 1;
 
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    /* initialize pointer table - this is how the module usually expects this data */
 
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    FT_Init_Class_ft_grays_raster(&container->ft_grays_raster);
 
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/*Exit:*/
 
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    if(error)
 
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      ft_smooth_renderer_class_pic_free(library);
 
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    return error;
 
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  }
 
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  /* re-route these init and free functions to the above functions */
 
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  FT_Error ft_smooth_lcd_renderer_class_pic_init(FT_Library library)
 
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  {
 
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    return ft_smooth_renderer_class_pic_init(library);
 
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  }
 
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  void ft_smooth_lcd_renderer_class_pic_free(FT_Library library)
 
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  {
 
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    ft_smooth_renderer_class_pic_free(library);
 
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  }
 
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  FT_Error ft_smooth_lcdv_renderer_class_pic_init(FT_Library library)
 
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  {
 
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    return ft_smooth_renderer_class_pic_init(library);
 
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  }
 
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  void ft_smooth_lcdv_renderer_class_pic_free(FT_Library library)
 
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  {
 
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    ft_smooth_renderer_class_pic_free(library);
 
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  }
 
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#endif /* FT_CONFIG_OPTION_PIC */
 
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/* END */