ISmartUpdateFigure


1   /* *****************************************************************************
2    * NightLabs Editor2D - Graphical editor framework                             *
3    * Copyright (C) 2004-2005 NightLabs - http://NightLabs.org                    *
4    * Project author: Daniel Mazurek <Daniel.Mazurek [at] nightlabs [dot] org>    *
5    *                                                                             *
6    * This library is free software; you can redistribute it and/or               *
7    * modify it under the terms of the GNU Lesser General Public                  *
8    * License as published by the Free Software Foundation; either                *
9    * version 2.1 of the License, or (at your option) any later version.          *
10   *                                                                             *
11   * This library is distributed in the hope that it will be useful,             *
12   * but WITHOUT ANY WARRANTY; without even the implied warranty of              *
13   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU           *
14   * Lesser General Public License for more details.                             *
15   *                                                                             *
16   * You should have received a copy of the GNU Lesser General Public            *
17   * License along with this library; if not, write to the                       *
18   *     Free Software Foundation, Inc.,                                         *
19   *     51 Franklin St, Fifth Floor,                                            *
20   *     Boston, MA  02110-1301  USA                                             *
21   *                                                                             *
22   * Or get it online :                                                          *
23   *     http://www.gnu.org/copyleft/lesser.html                                 *
24   *                                                                             *
25   *                                                                             *
26   ******************************************************************************/
27  
28  package org.nightlabs.editor2d.figures;
29  
30  import java.awt.Graphics2D  ;
31  
32  import org.eclipse.draw2d.Graphics;
33  import org.eclipse.draw2d.IFigure;
34  import org.eclipse.draw2d.geometry.Rectangle;
35  
36  /**
37   * Interface used for optimized painting.
38   * 
39   * @author Alexander Bieber <alex[AT]nightlabs[DOT]de>
40   */
41  public interface ISmartUpdateFigure {
42      /**
43       * Paint region on Draw2D Graphics
44       * 
45       * @param graphics The graphics to draw on
46       * @param region The region to draw
47       */
48      public void paintRegion(Graphics graphics, Rectangle region);
49      /**
50       * Paint region on Swing Graphics2D
51       * 
52       * @param graphics The graphics to draw on
53       * @param region The region to draw
54       */
55      public void paintRegion(Graphics2D   graphics, Rectangle region);
56      
57      /**
58       * Rebuild the information
59       * used for optimized painting. 
60       */
61      public void refresh();
62  
63      /**
64       * Rebuild the information used
65       * for optimized painting concerning
66       * the given Figure.
67       * 
68       * @param figure The Figure that has changed
69       */
70      public void refresh(IFigure figure);
71  }
72
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