embeddedobj/test/Container1/BitmapPainter.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 package embeddedobj.test;
  19
  20 import java.awt.*;
  21 import java.applet.*;
  22 import java.awt.event.*;
  23 import java.net.*;
  24 import java.io.*;
  25
  26 import com.sun.star.awt.XBitmap;
  27 import com.sun.star.awt.XDevice;
  28 import com.sun.star.awt.XDisplayBitmap;
  29 import com.sun.star.awt.XGraphics;
  30 import com.sun.star.awt.XWindow;
  31 import com.sun.star.awt.XWindowPeer;
  32 import com.sun.star.awt.XToolkit;
  33 import com.sun.star.awt.XSystemChildFactory;
  34 import com.sun.star.awt.WindowDescriptor;
  35 import com.sun.star.awt.WindowClass;
  36 import com.sun.star.awt.WindowAttribute;
  37
  38 import com.sun.star.awt.XPaintListener;
  39 import com.sun.star.awt.PaintEvent;
  40 import com.sun.star.awt.XMouseListener;
  41 import com.sun.star.awt.XMouseMotionListener;
  42 import com.sun.star.awt.MouseEvent;
  43 import com.sun.star.awt.Point;
  44
  45 import com.sun.star.uno.UnoRuntime;
  46 import com.sun.star.uno.Any;
  47 import com.sun.star.lang.XMultiServiceFactory;
  48
  49 import com.sun.star.task.XJob;
  50 import com.sun.star.beans.NamedValue;
  51
  52
  53 class BitmapPainter implements XPaintListener, XMouseListener, XMouseMotionListener, XJob
  54 {
  55     private XWindow m_xWindow;
  56     private XBitmap m_xBitmap;
  57
  58     private com.sun.star.awt.Rectangle m_aDrawRect;
  59
  60     private Object m_oImageLock;
  61
  62     private PaintThread m_aPaintThread;
  63
  64     // private XJob m_xMainThreadExecutor;
  65     // private NamedValue[] m_pValuesForExecutor;
  66
  67     private boolean m_bFree = true;
  68
  69     private boolean m_bProceedWithPainting = true;
  70
  71 // Methods
  72     //------------------------------------------------------
  73     public BitmapPainter( XJob xJob, XWindow xWindow, XBitmap xBitmap, com.sun.star.awt.Rectangle aDrawRect )
  74     {
  75         if ( xJob == null )
  76         {
  77             System.out.println( "No mainthreadexecutor is provided to BimapPainter on init!" );
  78             throw new com.sun.star.uno.RuntimeException();
  79         }
  80
  81         if ( xWindow == null )
  82         {
  83             System.out.println( "No window is provided to BimapPainter on init!" );
  84             throw new com.sun.star.uno.RuntimeException();
  85         }
  86
  87         // m_xMainThreadExecutor = xJob;
  88         // m_pValuesForExecutor = new NamedValue[1];
  89         // m_pValuesForExecutor[0] = new NamedValue( "JobToExecute", (Object)this );
  90
  91         m_xWindow = xWindow;
  92         m_xBitmap = xBitmap;
  93
  94         m_aDrawRect = aDrawRect;
  95
  96         m_oImageLock = new Object();
  97
  98         m_aPaintThread = new PaintThread( m_xWindow );
  99         m_aPaintThread.start();
 100
 101         m_xWindow.addPaintListener( this );
 102         m_xWindow.addMouseListener( this );
 103         m_xWindow.addMouseMotionListener( this );
 104     }
 105
 106     //------------------------------------------------------
 107     public void disconnectListener()
 108     {
 109         m_aPaintThread.disposeThread();
 110         m_xWindow.removePaintListener( this );
 111         m_xWindow.removeMouseListener( this );
 112         m_xWindow.removeMouseMotionListener( this );
 113     }
 114
 115     //------------------------------------------------------
 116     public void setBitmap( XBitmap xBitmap )
 117     {
 118         synchronized( m_oImageLock )
 119         {
 120             m_xBitmap = xBitmap;
 121         }
 122     }
 123
 124     //------------------------------------------------------
 125     public void setPos( com.sun.star.awt.Point aPoint )
 126     {
 127         synchronized( m_oImageLock )
 128         {
 129             m_aDrawRect.X = aPoint.X;
 130             m_aDrawRect.Y = aPoint.Y;
 131         }
 132     }
 133
 134     //------------------------------------------------------
 135     public void setRect( com.sun.star.awt.Rectangle aRect )
 136     {
 137         synchronized( m_oImageLock )
 138         {
 139             m_aDrawRect = aRect;
 140         }
 141     }
 142
 143     //------------------------------------------------------
 144     public void setSize( com.sun.star.awt.Size aSize )
 145     {
 146         synchronized( m_oImageLock )
 147         {
 148             m_aDrawRect.Width = aSize.Width;
 149             m_aDrawRect.Height = aSize.Height;
 150         }
 151     }
 152
 153     //------------------------------------------------------
 154     public void stopPainting()
 155     {
 156         m_bProceedWithPainting = false;
 157     }
 158
 159     //------------------------------------------------------
 160     public void startPainting()
 161     {
 162         m_bProceedWithPainting = true;
 163     }
 164
 165     // XPaintListener
 166     //------------------------------------------------------
 167     public void windowPaint( PaintEvent e )
 168     {
 169         if ( !m_bProceedWithPainting )
 170             return;
 171
 172         XBitmap xBitmap = null;
 173         com.sun.star.awt.Rectangle aRect = null;
 174         // boolean bFree = false;
 175
 176         synchronized( m_oImageLock )
 177         {
 178             xBitmap = m_xBitmap;
 179             aRect = m_aDrawRect;
 180             // if ( m_bFree )
 181             // {
 182                 // bFree = true;
 183                 // m_bFree = false;
 184             // }
 185         }
 186
 187         m_aPaintThread.setPaintRequest( xBitmap, aRect, e.UpdateRect );
 188         // if ( bFree )
 189         // {
 190             // try {
 191                 // m_xMainThreadExecutor.execute( m_pValuesForExecutor );
 192             // } catch( Exception ex )
 193             // {
 194                 // m_bFree = true;
 195             // }
 196         // }
 197
 198         System.out.println( "VCL window paint event!" );
 199     }
 200
 201     // XMouseListener
 202     //------------------------------------------------------
 203     public void mousePressed( MouseEvent e )
 204     {
 205     }
 206
 207     //------------------------------------------------------
 208     public void mouseReleased( MouseEvent e )
 209     {
 210     }
 211
 212     //------------------------------------------------------
 213     public void mouseEntered( MouseEvent e )
 214     {
 215     }
 216
 217     //------------------------------------------------------
 218     public void mouseExited( MouseEvent e )
 219     {
 220     }
 221
 222     // XMouseMotionListener
 223     //------------------------------------------------------
 224     public void mouseDragged( MouseEvent e )
 225     {
 226         // TODO: react to resizing of object bitmap
 227         // if the object is inplace active the object must control resizing
 228     }
 229
 230     //------------------------------------------------------
 231     public void mouseMoved( MouseEvent e )
 232     {
 233
 234     }
 235
 236     // XEventListener
 237     //------------------------------------------------------
 238     public void disposing( com.sun.star.lang.EventObject e )
 239     {
 240         // do nothing, the window can die only when the application is closed
 241     }
 242
 243     // XJob
 244     //------------------------------------------------------
 245     public Object execute( NamedValue[] pValues )
 246     {
 247 /*
 248         // means request for painting
 249
 250         XBitmap xBitmap = null;
 251         com.sun.star.awt.Rectangle aRect = null;
 252
 253         synchronized( m_oImageLock )
 254         {
 255             xBitmap = m_xBitmap;
 256             aRect = m_aDrawRect;
 257         }
 258
 259         System.out.println( "The bitmap is going to be painted!" );
 260
 261         try {
 262             XDevice xDevice = (XDevice)UnoRuntime.queryInterface( XDevice.class, m_xWindow );
 263             if ( xDevice != null )
 264             {
 265                 System.out.println( "Step1" );
 266                 XGraphics xGraphics = xDevice.createGraphics();
 267                 if ( xBitmap != null )
 268                 {
 269                     System.out.println( "Step2" );
 270                     XDisplayBitmap xDisplayBitmap = xDevice.createDisplayBitmap( xBitmap );
 271
 272                     com.sun.star.awt.Size aSize = xBitmap.getSize();
 273                     xGraphics.draw( xDisplayBitmap, 0, 0, aSize.Width, aSize.Height,
 274                                                 aRect.X, aRect.Y, aRect.Width, aRect.Height );
 275                 }
 276
 277                 System.out.println( "Step3" );
 278                 xGraphics.drawRect( aRect.X - 1, aRect.Y - 1, aRect.Width + 2, aRect.Height + 2 );
 279
 280                 // draw resize squares
 281                 System.out.println( "Step4" );
 282                 xGraphics.drawRect( aRect.X - 2, aRect.Y - 2, 4, 4 );
 283                 xGraphics.drawRect( aRect.X + aRect.Width - 2, aRect.Y - 2, 4, 4 );
 284                 xGraphics.drawRect( aRect.X - 2, aRect.Y + aRect.Height - 2, 4, 4 );
 285                 xGraphics.drawRect( aRect.X + aRect.Width - 2, aRect.Y + aRect.Height - 2, 4, 4 );
 286
 287                 System.out.println( "Step5" );
 288
 289                 System.out.println( "The bitmap is painted by BitmapPainter!" );
 290             }
 291         }
 292         catch ( Exception e )
 293         {
 294         }
 295
 296         m_bFree = true;
 297
 298 */
 299         return Any.VOID;
 300     }
 301
 302 };
 303