embeddedobj/test/Container1/PaintThread.java

   1 /*
   2  * This file is part of the LibreOffice project.
   3  *
   4  * This Source Code Form is subject to the terms of the Mozilla Public
   5  * License, v. 2.0. If a copy of the MPL was not distributed with this
   6  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   7  *
   8  * This file incorporates work covered by the following license notice:
   9  *
  10  *   Licensed to the Apache Software Foundation (ASF) under one or more
  11  *   contributor license agreements. See the NOTICE file distributed
  12  *   with this work for additional information regarding copyright
  13  *   ownership. The ASF licenses this file to you under the Apache
  14  *   License, Version 2.0 (the "License"); you may not use this file
  15  *   except in compliance with the License. You may obtain a copy of
  16  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  17  */
  18
  19 package embeddedobj.test;
  20
  21 import java.awt.*;
  22 import java.applet.*;
  23 import java.awt.event.*;
  24 import java.net.*;
  25 import java.io.*;
  26 import java.lang.Thread;
  27
  28 import com.sun.star.awt.XBitmap;
  29 import com.sun.star.awt.XDevice;
  30 import com.sun.star.awt.XDisplayBitmap;
  31 import com.sun.star.awt.XGraphics;
  32 import com.sun.star.awt.XWindow;
  33 import com.sun.star.awt.XWindowPeer;
  34 import com.sun.star.awt.XToolkit;
  35 import com.sun.star.awt.XSystemChildFactory;
  36 import com.sun.star.awt.WindowDescriptor;
  37 import com.sun.star.awt.WindowClass;
  38 import com.sun.star.awt.WindowAttribute;
  39
  40 import com.sun.star.uno.UnoRuntime;
  41 import com.sun.star.lang.XMultiServiceFactory;
  42
  43 class PaintThread extends java.lang.Thread
  44 {
  45     private XWindow m_xWindow;
  46     private XBitmap m_xBitmap;
  47     private com.sun.star.awt.Rectangle m_aRect;
  48
  49     private Object m_oRequestsLock;
  50     private boolean m_bToPaint = false;
  51
  52     private boolean m_bDisposed = false;
  53
  54     public static boolean interceptedRects( com.sun.star.awt.Rectangle aRect1, com.sun.star.awt.Rectangle aRect2 )
  55     {
  56         return ( ( aRect1.X <= aRect2.X && aRect2.X <= aRect1.X + aRect1.Width
  57                 || aRect1.X <= aRect2.X + aRect2.Width && aRect2.X + aRect2.Width <= aRect1.X + aRect1.Width
  58                 || aRect2.X <= aRect1.X && aRect1.X <= aRect2.X + aRect2.Width
  59                 || aRect2.X <= aRect1.X + aRect1.Width && aRect1.X + aRect1.Width <= aRect2.X + aRect2.Width )
  60               && ( aRect1.Y <= aRect2.Y && aRect2.Y <= aRect1.Y + aRect1.Height
  61                 || aRect1.Y <= aRect2.Y + aRect2.Height && aRect2.Y + aRect2.Height <= aRect1.Y + aRect1.Height
  62                 || aRect2.Y <= aRect1.Y && aRect1.Y <= aRect2.Y + aRect2.Height
  63                 || aRect2.Y <= aRect1.Y + aRect1.Height && aRect1.Y + aRect1.Height <= aRect2.Y + aRect2.Height ) );
  64     }
  65
  66     public PaintThread( XWindow xWindow )
  67     {
  68         m_oRequestsLock = new Object();
  69         m_xWindow = xWindow;
  70     }
  71
  72     public void setPaintRequest( XBitmap xBitmap, com.sun.star.awt.Rectangle aRect, com.sun.star.awt.Rectangle aClip )
  73     {
  74         synchronized( m_oRequestsLock )
  75         {
  76             if ( PaintThread.interceptedRects( aRect, aClip ) )
  77             {
  78                 m_xBitmap = xBitmap;
  79                 m_aRect = aRect;
  80                 m_bToPaint = true;
  81             }
  82         }
  83     }
  84
  85     public void disposeThread()
  86     {
  87         m_bDisposed = true;
  88     }
  89
  90     public void run()
  91     {
  92         while( !m_bDisposed )
  93         {
  94             try {
  95                 Thread.sleep( 200 );
  96             } catch( Exception e ) {}
  97
  98             XBitmap xBitmap = null;
  99             com.sun.star.awt.Rectangle aRect = null;
 100             boolean bPaint = false;
 101
 102             synchronized( m_oRequestsLock )
 103             {
 104                 if ( m_bToPaint )
 105                 {
 106                     xBitmap = m_xBitmap;
 107                     aRect = m_aRect;
 108                     m_bToPaint = false;
 109                     bPaint = true;
 110                 }
 111             }
 112
 113             if ( bPaint )
 114             {
 115                 XDevice xDevice = (XDevice)UnoRuntime.queryInterface( XDevice.class, m_xWindow );
 116                 if ( xDevice != null )
 117                 {
 118                     XGraphics xGraphics = xDevice.createGraphics();
 119                     if ( xBitmap != null )
 120                     {
 121                         XDisplayBitmap xDisplayBitmap = xDevice.createDisplayBitmap( xBitmap );
 122
 123                         com.sun.star.awt.Size aSize = xBitmap.getSize();
 124                         xGraphics.draw( xDisplayBitmap, 0, 0, aSize.Width, aSize.Height,
 125                                                     aRect.X, aRect.Y, aRect.Width, aRect.Height );
 126                     }
 127
 128                     xGraphics.drawLine( aRect.X - 1, aRect.Y - 1,
 129                                         aRect.X + aRect.Width + 1, aRect.Y - 1 );
 130                     xGraphics.drawLine( aRect.X + aRect.Width + 1, aRect.Y - 1,
 131                                         aRect.X + aRect.Width + 1, aRect.Y + aRect.Height + 1 );
 132                     xGraphics.drawLine( aRect.X + aRect.Width + 1, aRect.Y + aRect.Height + 1,
 133                                         aRect.X - 1, aRect.Y + aRect.Height + 1 );
 134                     xGraphics.drawLine( aRect.X - 1, aRect.Y + aRect.Height + 1,
 135                                         aRect.X - 1, aRect.Y - 1 );
 136                 }
 137             }
 138         }
 139     }
 140 };
 141