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

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• Hash : 145f94cb
  Author :
  Date : 2001-12-07T14:43:45
  

  added new charmap cache. see include/freetype/cache/ftccmap.h

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• src/cache/ftcglyph.c

• /***************************************************************************/
  /*                                                                         */
  /*  ftcglyph.c                                                             */
  /*                                                                         */
  /*    FreeType Glyph Image (FT_Glyph) cache (body).                        */
  /*                                                                         */
  /*  Copyright 2000-2001 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 <ft2build.h>
  #include FT_CACHE_H
  #include FT_CACHE_INTERNAL_GLYPH_H
  #include FT_ERRORS_H
  #include FT_LIST_H
  #include FT_INTERNAL_OBJECTS_H
  #include FT_INTERNAL_DEBUG_H
  
  #include "ftcerror.h"
  
  
  
  
    /* create a new chunk node, setting its cache index and ref count */
    FT_EXPORT_DEF( void )
    ftc_glyph_node_init( FTC_GlyphNode     gnode,
                         FT_UInt           gindex,
                         FTC_GlyphFamily   gfam )
    {
      FT_UInt    len;
      FT_UInt    start = FTC_GLYPH_FAMILY_START(gfam,gindex);
  
  
      gnode->item_start = (FT_UShort) start;
  
      len = gfam->item_total - start;
      if ( len > gfam->item_count )
        len = gfam->item_count;
  
      gnode->item_count = (FT_UShort) len;
      gfam->family.num_nodes++;
    }
  
  
    FT_EXPORT_DEF( void )
    ftc_glyph_node_done( FTC_GlyphNode  gnode,
                         FTC_Cache      cache )
    {
      /* finalize the node */
      gnode->item_count = 0;
      gnode->item_start = 0;
  
      ftc_node_done( FTC_NODE(gnode), cache );
    }
  
  
    FT_EXPORT_DEF( FT_Bool )
    ftc_glyph_node_compare( FTC_GlyphNode    gnode,
                            FTC_GlyphQuery   gquery )
    {
      FT_UInt  start     = (FT_UInt) gnode->item_start;
      FT_UInt  count     = (FT_UInt) gnode->item_count;
  
      return FT_BOOL( (FT_UInt)(gquery->gindex - start) < count );
    }
  
  
    /*************************************************************************/
    /*************************************************************************/
    /*****                                                               *****/
    /*****                      CHUNK SETS                               *****/
    /*****                                                               *****/
    /*************************************************************************/
    /*************************************************************************/
  
  
    FT_EXPORT_DEF( FT_Error )
    ftc_glyph_family_init( FTC_GlyphFamily  gfam,
                           FT_UInt32        hash,
                           FT_UInt          item_count,
                           FT_UInt          item_total,
                           FTC_GlyphQuery   gquery,
                           FTC_Cache        cache )
    {
      FT_Error  error;
  
  
      error = ftc_family_init( FTC_FAMILY(gfam), FTC_QUERY(gquery), cache );
      if (!error)
      {
        gfam->hash       = hash;
        gfam->item_total = item_total;
        gfam->item_count = item_count;
        
        FTC_GLYPH_FAMILY_FOUND(gfam,gquery);
      }
  
      return error;
    }
  
  
    FT_EXPORT_DEF( void )
    ftc_glyph_family_done( FTC_GlyphFamily  gfam )
    {
      ftc_family_done( FTC_FAMILY(gfam) );
    }
  
  
  
  /* END */
  

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