/**************************************************************************
/* This class is part of the Java Plotlib Toolkit.
/*
/* Copyright (c) 1999-2004 by Bernhard Bablok (bablokb@gmx.de)
/*
/* 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 Library General Public License for more details.
/*
/* You should have received a copy of the GNU General Public License
/* along with this program; see the file COPYING.  If not, write to
/* the Free Software Foundation Inc., 59 Temple Place - Suite 330,
/* Boston, MA  02111-1307 USA
/**************************************************************************/
package de.bablokb.plotlib.core;

import java.awt.geom.*;

/**
   This class mainly defines factory methods for other classes. There are
   some static methods which can be used directly, mainly the
   getDefaultToolkit() method.
 
   @version $Revision: 1.2 $
   @author  $Author: bablokb $
*/

public abstract class Toolkit {

  /**
     Flag to define the default toolkit.
  */

  private static boolean iUseFloat = true;

  /////////////////////////////////////////////////////////////////////////////

  /**
     Returns the default Toolkit. The default toolkit uses the float
     versions of the Jav2D classes.
  */

  public static synchronized Toolkit getDefaultToolkit() {
    if (iUseFloat)
      return new FloatToolkit();
    else
      return new DoubleToolkit();
  }

  /////////////////////////////////////////////////////////////////////////////

  /**
     Set the flag to define the default toolkit.
  */

  public static synchronized void setPrecision(boolean useFloat) {
    iUseFloat = useFloat;
  }

  /////////////////////////////////////////////////////////////////////////////

  /**
     Returns a Point2D.
  */

  public abstract Point2D getPoint2D();

  /////////////////////////////////////////////////////////////////////////////

  /**
     Returns a Point2D-Array of given size.
  */

  public abstract Point2D[] getPoint2DArray(int size);

  /////////////////////////////////////////////////////////////////////////////

  /**
     Returns a Rectangle2D.
  */

  public abstract Rectangle2D getRectangle2D();

  /////////////////////////////////////////////////////////////////////////////

  /**
     Returns a Line2D.
  */

  public abstract Line2D getLine2D();

  /////////////////////////////////////////////////////////////////////////////

  /**
     Returns a Arc2D.
  */

  public abstract Arc2D getArc2D();
}