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         /*
  77             System.out.println( "Paint request Pos( "
  78                                                     + aRect.X + ", "
  79                                                     + aRect.Y + ", "
  80                                                     + aRect.Width + ", "
  81                                                     + aRect.Height + " ), Clip ( "
  82                                                     + aClip.X + ", "
  83                                                     + aClip.Y + ", "
  84                                                     + aClip.Width + ", "
  85                                                     + aClip.Height + " )" );
  86         */
  87
  88             if ( PaintThread.interceptedRects( aRect, aClip ) )
  89             {
  90                 m_xBitmap = xBitmap;
  91                 m_aRect = aRect;
  92                 m_bToPaint = true;
  93             }
  94         }
  95
  96         // System.out.println( "Paint request to paint thread is done! xBitmap = " + xBitmap );
  97     }
  98
  99     public void disposeThread()
 100     {
 101         m_bDisposed = true;
 102     }
 103
 104     public void run()
 105     {
 106         while( !m_bDisposed )
 107         {
 108             try {
 109                 Thread.sleep( 200 );
 110             } catch( Exception e ) {}
 111
 112             XBitmap xBitmap = null;
 113             com.sun.star.awt.Rectangle aRect = null;
 114             boolean bPaint = false;
 115
 116             synchronized( m_oRequestsLock )
 117             {
 118                 if ( m_bToPaint )
 119                 {
 120                     xBitmap = m_xBitmap;
 121                     aRect = m_aRect;
 122                     m_bToPaint = false;
 123                     bPaint = true;
 124                 }
 125             }
 126
 127             if ( bPaint )
 128             {
 129                 // System.out.println( "The bitmap is going to be painted!" );
 130                 XDevice xDevice = (XDevice)UnoRuntime.queryInterface( XDevice.class, m_xWindow );
 131                 if ( xDevice != null )
 132                 {
 133                      // System.out.println( "Step1" );
 134                     XGraphics xGraphics = xDevice.createGraphics();
 135                     if ( xBitmap != null )
 136                     {
 137                         // System.out.println( "Step2" );
 138                         XDisplayBitmap xDisplayBitmap = xDevice.createDisplayBitmap( xBitmap );
 139
 140                         com.sun.star.awt.Size aSize = xBitmap.getSize();
 141                         xGraphics.draw( xDisplayBitmap, 0, 0, aSize.Width, aSize.Height,
 142                                                     aRect.X, aRect.Y, aRect.Width, aRect.Height );
 143                     }
 144
 145                     // System.out.println( "Step3" );
 146                     // xGraphics.drawRect( aRect.X - 1, aRect.Y - 1, aRect.Width + 2, aRect.Height + 2 );
 147                     xGraphics.drawLine( aRect.X - 1, aRect.Y - 1,
 148                                         aRect.X + aRect.Width + 1, aRect.Y - 1 );
 149                     xGraphics.drawLine( aRect.X + aRect.Width + 1, aRect.Y - 1,
 150                                         aRect.X + aRect.Width + 1, aRect.Y + aRect.Height + 1 );
 151                     xGraphics.drawLine( aRect.X + aRect.Width + 1, aRect.Y + aRect.Height + 1,
 152                                         aRect.X - 1, aRect.Y + aRect.Height + 1 );
 153                     xGraphics.drawLine( aRect.X - 1, aRect.Y + aRect.Height + 1,
 154                                         aRect.X - 1, aRect.Y - 1 );
 155
 156                     // draw resize squares
 157                     // System.out.println( "Step4" );
 158                     // xGraphics.drawRect( aRect.X - 2, aRect.Y - 2, 4, 4 );
 159                     // xGraphics.drawRect( aRect.X + aRect.Width - 2, aRect.Y - 2, 4, 4 );
 160                     // xGraphics.drawRect( aRect.X - 2, aRect.Y + aRect.Height - 2, 4, 4 );
 161                     // xGraphics.drawRect( aRect.X + aRect.Width - 2, aRect.Y + aRect.Height - 2, 4, 4 );
 162
 163                     // System.out.println( "Step5" );
 164
 165                     // System.out.println( "The bitmap is painted by paint thread!" );
 166                 }
 167             }
 168         }
 169     }
 170 };
 171