/*
 * $Id$
 */

/*
 * Harbour Project source code:
 *   CT3 video functions: - SCREENATTR()
 *
 * Copyright 2002 Walter Negro <anegro@overnet.com.ar>
 * www - http://www.harbour-project.org
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2, or (at your option)
 * any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this software; see the file COPYING.  If not, write to
 * the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
 * Boston, MA 02111-1307 USA (or visit the web site http://www.gnu.org/).
 *
 * As a special exception, the Harbour Project gives permission for
 * additional uses of the text contained in its release of Harbour.
 *
 * The exception is that, if you link the Harbour libraries with other
 * files to produce an executable, this does not by itself cause the
 * resulting executable to be covered by the GNU General Public License.
 * Your use of that executable is in no way restricted on account of
 * linking the Harbour library code into it.
 *
 * This exception does not however invalidate any other reasons why
 * the executable file might be covered by the GNU General Public License.
 *
 * This exception applies only to the code released by the Harbour
 * Project under the name Harbour.  If you copy code from other
 * Harbour Project or Free Software Foundation releases into a copy of
 * Harbour, as the General Public License permits, the exception does
 * not apply to the code that you add in this way.  To avoid misleading
 * anyone as to the status of such modified files, you must delete
 * this exception notice from them.
 *
 * If you write modifications of your own for Harbour, it is your choice
 * whether to permit this exception to apply to your modifications.
 * If you do not wish that, delete this exception notice.
 *
 */

#include "hbdefs.h"
#include "hbapi.h"
#include "hbapigt.h"

/*  $DOC$
 *  $FUNCNAME$
 *      SCREENATTR()
 *  $CATEGORY$
 *      CT3 video functions
 *  $ONELINER$
 *  $SYNTAX$
 *      SCREENATTR ( [<nRow>],[<nColumn>] ) -> <nAttr>
 *  $ARGUMENTS$
 *   <nRow>     Designates the line from which to determine the attribute.
 *              The default is the cursor line.
 *
 *   <nColumn>  Designates the column from which to determine the
 *              attribute.  The default is the cursor column.
 *
 *  $RETURNS$
 *      SCREENATTR() returns the attribute at the designated position.
 *
 *  $DESCRIPTION$
 *      SCREENATTR() returns the current screen attribute at <nRow> and
 *      <nColumn>.  You can query targeted attributes this way and save them
 *      to use later, or process them later with INVERTATTR().
 *
 *      TODO: add documentation
 *  $EXAMPLES$
 *  $TESTS$
 *  $STATUS$
 *      Started
 *  $COMPLIANCE$
 *  $PLATFORMS$
 *      All
 *  $FILES$
 *      Source is screen1.c, library is libct.
 *  $SEEALSO$
 *  $END$
 */

HB_FUNC( SCREENATTR )
{

  ULONG  ulSize;
  int    iRow, iCol;
  char * pcPos;

  iRow = hb_parni( 1 );
  iCol = hb_parni( 2 );

  hb_gtRectSize( iRow, iCol, iRow, iCol, &ulSize );
  pcPos = (char * ) hb_xalloc( ulSize + 1 );

  if( pcPos != NULL )
  {
     hb_gtSave( iRow, iCol, iRow, iCol, pcPos );


     hb_retni( ( int ) pcPos[1] );
  }
  else
     hb_retni( 0 );

  hb_xfree( pcPos );

}