Source for gnu.java.awt.peer.qt.QMatrix

   1: /* QMatrix.java --
   2:    Copyright (C)  2005  Free Software Foundation, Inc.
   3: 
   4: This file is part of GNU Classpath.
   5: 
   6: GNU Classpath is free software; you can redistribute it and/or modify
   7: it under the terms of the GNU General Public License as published by
   8: the Free Software Foundation; either version 2, or (at your option)
   9: any later version.
  10: 
  11: GNU Classpath is distributed in the hope that it will be useful, but
  12: WITHOUT ANY WARRANTY; without even the implied warranty of
  13: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14: General Public License for more details.
  15: 
  16: You should have received a copy of the GNU General Public License
  17: along with GNU Classpath; see the file COPYING.  If not, write to the
  18: Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  19: 02110-1301 USA.
  20: 
  21: Linking this library statically or dynamically with other modules is
  22: making a combined work based on this library.  Thus, the terms and
  23: conditions of the GNU General Public License cover the whole
  24: combination.
  25: 
  26: As a special exception, the copyright holders of this library give you
  27: permission to link this library with independent modules to produce an
  28: executable, regardless of the license terms of these independent
  29: modules, and to copy and distribute the resulting executable under
  30: terms of your choice, provided that you also meet, for each linked
  31: independent module, the terms and conditions of the license of that
  32: module.  An independent module is a module which is not derived from
  33: or based on this library.  If you modify this library, you may extend
  34: this exception to your version of the library, but you are not
  35: obligated to do so.  If you do not wish to do so, delete this
  36: exception statement from your version. */
  37: 
  38: package gnu.java.awt.peer.qt;
  39: 
  40: import java.awt.geom.AffineTransform;
  41: 
  42: /**
  43:  * A simple wrapper class for a QMatrix,
  44:  * interfacing it to an AffineTransform.
  45:  */
  46: public class QMatrix extends NativeWrapper
  47: {
  48: 
  49:   public QMatrix( AffineTransform t )
  50:   {
  51:     double[] matrix = new double[6];
  52:     t.getMatrix( matrix );
  53:     init( matrix[0], matrix[1], matrix[2], matrix[3], matrix[4], matrix[5] );
  54:   }
  55: 
  56:   private native void init(double m00, double m10, double m01, double m11,
  57:                            double m02, double m12 );
  58: 
  59:   private native double[] getMatrix();
  60: 
  61:   public AffineTransform getTransform()
  62:   {
  63:     return new AffineTransform( getMatrix() );
  64:   }
  65: 
  66:   public native void dispose();
  67: 
  68:   public void finalize()
  69:   {
  70:     dispose();
  71:   }
  72: }