dibhandler.java

cygwin 是一个在windows平台上运行的unix模拟环境

/* DIBHandler.java
 * Component: ProperJavaRDP
 * 
 * Revision: $Revision: 1.4 $
 * Author: $Author: telliott $
 * Date: $Date: 2005/09/27 14:15:40 $
 *
 * Copyright (c) 2005 Propero Limited
 *
 * Purpose: 
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or (at
 * your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
 * USA
 * 
 * (See gpl.txt for details of the GNU General Public License.)
 * 
 */
package net.propero.rdp.rdp5.cliprdr;

import java.awt.Frame;
import java.awt.Image;
import java.awt.MediaTracker;
import java.awt.datatransfer.DataFlavor;
import java.awt.datatransfer.Transferable;
import java.awt.datatransfer.UnsupportedFlavorException;
import java.awt.image.ImageObserver;
import java.io.IOException;
import org.apache.log4j.Logger;

import net.propero.rdp.Common;
import net.propero.rdp.Input;
import net.propero.rdp.RdpPacket;
import net.propero.rdp.Utilities_Localised;


public class DIBHandler extends TypeHandler implements ImageObserver {

	protected static Logger logger = Logger.getLogger(Input.class);
	
	public boolean formatValid(int format) {
		return (format == CF_DIB);
	}

	public boolean mimeTypeValid(String mimeType) {
		return mimeType.equals("image");
	}

	public int preferredFormat() {
		return CF_DIB;
	}
		 
	public String name() {
		return "CF_DIB";
	}
	
	public void handleData(RdpPacket data, int length, ClipInterface c) {
		//System.out.println("DIBHandler.handleData");
		BMPToImageThread t = new BMPToImageThread(data, length, c);
		t.start();
	}

	public void send_data(Transferable in, ClipInterface c) {
		byte[] out = null;
		
		try {
            if (in != null && in.isDataFlavorSupported(Utilities_Localised.imageFlavor)) {
                Image img = (Image)in.getTransferData(Utilities_Localised.imageFlavor);
                ClipBMP b = new ClipBMP();
                
                MediaTracker mediaTracker = new MediaTracker(new Frame());
                mediaTracker.addImage(img, 0);
                
                try
			    {
			      mediaTracker.waitForID(0);
			    }
			    catch (InterruptedException ie)
			    {
			      System.err.println(ie);
                  if(!Common.underApplet) System.exit(1);
			    }
                if(img == null) return;
                
                int width = img.getWidth(this);
                int height = img.getHeight(this);
                out = b.getBitmapAsBytes(img,width,height);

                c.send_data(out,out.length);
            }
        } catch (UnsupportedFlavorException e) {
            System.err.println("Failed to send DIB: UnsupportedFlavorException");
        } catch (IOException e) {
            System.err.println("Failed to send DIB: IOException");
        }

	}

	public boolean imageUpdate(Image arg0, int arg1, int arg2, int arg3, int arg4, int arg5) {
		return false;
	}

}