//////////////////////////////////////////////////////////////////////// 
// This file is part of the mp3car-0.1.1 package
// Linux LCD-client for the mp3 server box 
// http://www.igalaxie.com/ltt/mp3 
////////////////////////////////////////////////////////////////////////
//
// 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 of the License, 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 program; if not, write to the Free Software
// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
//////////////////////////////////////////////////////////////////////////

//////////////////////////////////////////////////////////////////////////
// File:         adisplay.h
//////////////////////////////////////////////////////////////////////////
// Description:  Abstract base class of all LCD-Driver modules.
//               Virtual Interfaces allow easy implementation
//               of many different display drivers. 
//////////////////////////////////////////////////////////////////////////
// History:      created 15.01.2000
//////////////////////////////////////////////////////////////////////////
// Copyright:    2000 Sebastian Poetschke <sebastian.poetschke@gmx.de> 
//////////////////////////////////////////////////////////////////////////
#ifndef ADISPLAY_H_INCLUDED
#define ADISPLAY_H_INCLUDED

class ADisplay {
 public:
  virtual ~ADisplay( ) {};    

 public:
  virtual bool AutoLineWrap( void )=0;
  virtual void AutoLineWrap( bool _switch )=0;
  virtual bool AutoScroll( void )=0; 
  virtual void AutoScroll( bool _switch )=0;
  virtual bool Backlight( void )=0;
  virtual void Backlight( bool _switch )=0;
  virtual void Backlight( bool _switch, unsigned int minutes )=0;
  virtual bool Blink( void )=0;
  virtual void Blink( bool _switch )=0;
  virtual void ClearScreen( void )=0;
  virtual unsigned int Contrast( void )=0; 
  virtual void Contrast( unsigned int cValue )=0;
  virtual bool Cursor( void )=0;
  virtual void Cursor( bool _switch )=0;
  virtual void CursorLeft( void )=0;
  virtual void CursorRight( void )=0;
  virtual void CursorMove( unsigned int row, unsigned int column )=0;
  virtual void CursorTopLeft( void )=0;
  virtual void Write( char c)=0;
  virtual void Write( char c, unsigned int row, unsigned int column)=0;
  virtual void Write( char *str )=0;
  virtual void Write( char *str, unsigned int row, unsigned int column)=0;
  virtual unsigned int MaxRows( void )=0;
  virtual unsigned int MaxColumns( void )=0;
  virtual void CreateCharacter(unsigned int index, unsigned int *layout)=0;
  virtual bool Initialize( void )=0;
};

#endif