embeddedobj/test/Container1/PaintThread.java

   1 package embeddedobj.test;
   2
   3 import java.awt.*;
   4 import java.applet.*;
   5 import java.awt.event.*;
   6 import java.net.*;
   7 import java.io.*;
   8 import java.lang.Thread;
   9
  10 import com.sun.star.awt.XBitmap;
  11 import com.sun.star.awt.XDevice;
  12 import com.sun.star.awt.XDisplayBitmap;
  13 import com.sun.star.awt.XGraphics;
  14 import com.sun.star.awt.XWindow;
  15 import com.sun.star.awt.XWindowPeer;
  16 import com.sun.star.awt.XToolkit;
  17 import com.sun.star.awt.XSystemChildFactory;
  18 import com.sun.star.awt.WindowDescriptor;
  19 import com.sun.star.awt.WindowClass;
  20 import com.sun.star.awt.WindowAttribute;
  21
  22 import com.sun.star.uno.UnoRuntime;
  23 import com.sun.star.lang.XMultiServiceFactory;
  24
  25 class PaintThread extends java.lang.Thread
  26 {
  27     private XWindow m_xWindow;
  28     private XBitmap m_xBitmap;
  29     private com.sun.star.awt.Rectangle m_aRect;
  30
  31     private Object m_oRequestsLock;
  32     private boolean m_bToPaint = false;
  33
  34     private boolean m_bDisposed = false;
  35
  36     public static boolean interceptedRects( com.sun.star.awt.Rectangle aRect1, com.sun.star.awt.Rectangle aRect2 )
  37     {
  38         return ( ( aRect1.X <= aRect2.X && aRect2.X <= aRect1.X + aRect1.Width
  39                 || aRect1.X <= aRect2.X + aRect2.Width && aRect2.X + aRect2.Width <= aRect1.X + aRect1.Width
  40                 || aRect2.X <= aRect1.X && aRect1.X <= aRect2.X + aRect2.Width
  41                 || aRect2.X <= aRect1.X + aRect1.Width && aRect1.X + aRect1.Width <= aRect2.X + aRect2.Width )
  42               && ( aRect1.Y <= aRect2.Y && aRect2.Y <= aRect1.Y + aRect1.Height
  43                 || aRect1.Y <= aRect2.Y + aRect2.Height && aRect2.Y + aRect2.Height <= aRect1.Y + aRect1.Height
  44                 || aRect2.Y <= aRect1.Y && aRect1.Y <= aRect2.Y + aRect2.Height
  45                 || aRect2.Y <= aRect1.Y + aRect1.Height && aRect1.Y + aRect1.Height <= aRect2.Y + aRect2.Height ) );
  46     }
  47
  48     public PaintThread( XWindow xWindow )
  49     {
  50         m_oRequestsLock = new Object();
  51         m_xWindow = xWindow;
  52     }
  53
  54     public void setPaintRequest( XBitmap xBitmap, com.sun.star.awt.Rectangle aRect, com.sun.star.awt.Rectangle aClip )
  55     {
  56         synchronized( m_oRequestsLock )
  57         {
  58         /*
  59             System.out.println( "Paint request Pos( "
  60                                                     + aRect.X + ", "
  61                                                     + aRect.Y + ", "
  62                                                     + aRect.Width + ", "
  63                                                     + aRect.Height + " ), Clip ( "
  64                                                     + aClip.X + ", "
  65                                                     + aClip.Y + ", "
  66                                                     + aClip.Width + ", "
  67                                                     + aClip.Height + " )" );
  68         */
  69
  70             if ( PaintThread.interceptedRects( aRect, aClip ) )
  71             {
  72                 m_xBitmap = xBitmap;
  73                 m_aRect = aRect;
  74                 m_bToPaint = true;
  75             }
  76         }
  77
  78         // System.out.println( "Paint request to paint thread is done! xBitmap = " + xBitmap );
  79     }
  80
  81     public void disposeThread()
  82     {
  83         m_bDisposed = true;
  84     }
  85
  86     public void run()
  87     {
  88         while( !m_bDisposed )
  89         {
  90             try {
  91                 Thread.sleep( 200 );
  92             } catch( Exception e ) {}
  93
  94             XBitmap xBitmap = null;
  95             com.sun.star.awt.Rectangle aRect = null;
  96             boolean bPaint = false;
  97
  98             synchronized( m_oRequestsLock )
  99             {
 100                 if ( m_bToPaint )
 101                 {
 102                     xBitmap = m_xBitmap;
 103                     aRect = m_aRect;
 104                     m_bToPaint = false;
 105                     bPaint = true;
 106                 }
 107             }
 108
 109             if ( bPaint )
 110             {
 111                 // System.out.println( "The bitmap is going to be painted!" );
 112                 XDevice xDevice = (XDevice)UnoRuntime.queryInterface( XDevice.class, m_xWindow );
 113                 if ( xDevice != null )
 114                 {
 115                      // System.out.println( "Step1" );
 116                     XGraphics xGraphics = xDevice.createGraphics();
 117                     if ( xBitmap != null )
 118                     {
 119                         // System.out.println( "Step2" );
 120                         XDisplayBitmap xDisplayBitmap = xDevice.createDisplayBitmap( xBitmap );
 121
 122                         com.sun.star.awt.Size aSize = xBitmap.getSize();
 123                         xGraphics.draw( xDisplayBitmap, 0, 0, aSize.Width, aSize.Height,
 124                                                     aRect.X, aRect.Y, aRect.Width, aRect.Height );
 125                     }
 126
 127                     // System.out.println( "Step3" );
 128                     // xGraphics.drawRect( aRect.X - 1, aRect.Y - 1, aRect.Width + 2, aRect.Height + 2 );
 129                     xGraphics.drawLine( aRect.X - 1, aRect.Y - 1,
 130                                         aRect.X + aRect.Width + 1, aRect.Y - 1 );
 131                     xGraphics.drawLine( aRect.X + aRect.Width + 1, aRect.Y - 1,
 132                                         aRect.X + aRect.Width + 1, aRect.Y + aRect.Height + 1 );
 133                     xGraphics.drawLine( aRect.X + aRect.Width + 1, aRect.Y + aRect.Height + 1,
 134                                         aRect.X - 1, aRect.Y + aRect.Height + 1 );
 135                     xGraphics.drawLine( aRect.X - 1, aRect.Y + aRect.Height + 1,
 136                                         aRect.X - 1, aRect.Y - 1 );
 137
 138                     // draw resize squares
 139                     // System.out.println( "Step4" );
 140                     // xGraphics.drawRect( aRect.X - 2, aRect.Y - 2, 4, 4 );
 141                     // xGraphics.drawRect( aRect.X + aRect.Width - 2, aRect.Y - 2, 4, 4 );
 142                     // xGraphics.drawRect( aRect.X - 2, aRect.Y + aRect.Height - 2, 4, 4 );
 143                     // xGraphics.drawRect( aRect.X + aRect.Width - 2, aRect.Y + aRect.Height - 2, 4, 4 );
 144
 145                     // System.out.println( "Step5" );
 146
 147                     // System.out.println( "The bitmap is painted by paint thread!" );
 148                 }
 149             }
 150         }
 151     }
 152 };
 153