kc3-lang/freetype/src/cache/ftcimage.c

• Show log

  Commit

• Hash : 8728f294
  Author :
  Date : 2000-08-23T17:32:42
  

  Formatting, small fixes. Adding copyright notices etc.

Download

• src/cache/ftcimage.c

• /***************************************************************************/
  /*                                                                         */
  /*  ftcimage.c                                                             */
  /*                                                                         */
  /*    XXX                                                                  */
  /*                                                                         */
  /*  Copyright 2000 by                                                      */
  /*  David Turner, Robert Wilhelm, and Werner Lemberg.                      */
  /*                                                                         */
  /*  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 <cache/ftcimage.h>
  
    static
    void  ftc_done_glyph_image( FTC_Image_Queue  queue,
                                FTC_ImageNode    node )
    {
      FT_UNUSED( queue );
  
      FT_Done_Glyph( FTC_IMAGENODE_GET_GLYPH( node ) );
    }
  
  
    static
    FT_ULong  ftc_size_bitmap_image( FTC_Image_Queue  queue,
                                     FTC_ImageNode    node )
    {
      FT_Long         pitch;
      FT_BitmapGlyph  glyph;
      
      FT_UNUSED( queue );
  
  
      glyph = (FT_BitmapGlyph)FTC_IMAGENODE_GET_GLYPH(node);
      pitch = glyph->bitmap.pitch;
      if ( pitch < 0 )
        pitch = -pitch;
        
      return (FT_ULong)(pitch * glyph->bitmap->rows + sizeof ( *glyph ) );
    }
  
  
    static
    FT_ULong  ftc_size_outline_image( FTC_Image_Queue  queue,
                                      FTC_ImageNode    node )
    {
      FT_Long          pitch;
      FT_OutlineGlyph  glyph;
      FT_Outline*      outline;
      
      FT_UNUSED( queue );
  
  
      glyph   = (FT_OutlineGlyph)FTC_IMAGENODE_GET_GLYPH( node );
      outline = &glyph->outline;
      
      return (FT_ULong)( 
        outline->n_points *  ( sizeof ( FT_Vector ) + sizeof ( FT_Byte ) ) +
        outline->n_contours * sizeof ( FT_Short )                          +
        sizeof( *glyph ) );
    }
  
  
    /*************************************************************************/
    /*************************************************************************/
    /*****                                                               *****/
    /*****              MONOCHROME BITMAP CALLBACKS                      *****/
    /*****                                                               *****/
    /*************************************************************************/
    /*************************************************************************/
  
    static
    FT_Error  ftc_init_mono_image( FTC_Image_Queue  queue,
                                   FTC_ImageNode    node )
    {  
      FT_Face   face;
      FT_Size   size;
      FT_Error  error;
  
      
      error = FTC_Manager_Lookup_Size( queue->manager,
                                       &queue->size_rec,
                                       &face, &size );
      if ( !error )
      {
        FT_UInt  glyph_index = FTC_IMAGENODE_GINDEX( node );
  
        
        error = FT_Load_Glyph( face, glyph_index,
                               FT_LOAD_RENDER | FT_LOAD_MONOCHROME );
        if ( !error )
        {
          if ( face->glyph->format            != ft_image_format_bitmap ||
               face->glyph->bitmap.pixel_mode != ft_pixel_mode_mono     )
          {
            /* there is no monochrome glyph for this font! */
            error = FT_Err_Invalid_Glyph_Index;
          }
          else
          {
            /* ok, copy it */
            FT_Glyph  glyph;
            
            
            error = FT_Get_Glyph( face->glyph, &glyph );
            if ( !error )
              FTC_IMAGENODE_SET_GLYPH( node, glyph );
          }
        }
      }
      return error;
    }
  
  
    static
    FT_Error  ftc_init_gray_image( FTC_Image_Queue  queue,
                                   FTC_ImageNode    node )
    {  
      FT_Face   face;
      FT_Size   size;
      FT_Error  error;
      
  
      error = FTC_Manager_Lookup_Size( queue->manager,
                                       &queue->size_rec,
                                       &face, &size );
      if ( !error )
      {
        FT_UInt  glyph_index = FTC_IMAGENODE_GINDEX( node );
        
  
        error = FT_Load_Glyph( face, glyph_index,
                               FT_LOAD_RENDER );
        if ( !error )
        {
          if ( face->glyph->format            != ft_image_format_bitmap ||
               face->glyph->bitmap.pixel_mode != ft_pixel_mode_grays )
          {
            /* there is no monochrome glyph for this font! */
            error = FT_Err_Invalid_Glyph_Index;
          }
          else
          {
            /* ok, copy it */
            FT_Glyph  glyph;
            
            
            error = FT_Get_Glyph( face->glyph, &glyph );
            if ( !error )
              FTC_IMAGENODE_SET_GLYPH( node, glyph );
          }
        }
      }
      return error;
    }
  
  
  /* END */
  

Download