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