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/*
* Copyright (c) 1997 - 2016
* Actelion Pharmaceuticals Ltd.
* Gewerbestrasse 16
* CH-4123 Allschwil, Switzerland
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
*    list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
*    this list of conditions and the following disclaimer in the documentation
*    and/or other materials provided with the distribution.
* 3. Neither the name of the the copyright holder nor the
*    names of its contributors may be used to endorse or promote products
*    derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/

package com.actelion.research.gui.clipboard;



import java.awt.*;

import java.awt.datatransfer.*;

import java.awt.geom.Rectangle2D;

import java.io.*;

import com.actelion.research.chem.*;

import com.actelion.research.util.*;



public class ImageClipboardHandler {

    public static Image pasteImage() {

        Clipboard systemClipboard = Toolkit.getDefaultToolkit().getSystemClipboard();

        Transferable clipboardContents = systemClipboard.getContents(null);

  

        if (clipboardContents == null)

            return null;

        else {

            try {

                if (clipboardContents.isDataFlavorSupported(DataFlavor.imageFlavor)) {

                    Image image = (Image)clipboardContents.getTransferData(DataFlavor.imageFlavor);

                    return image;

               	}

            } catch (UnsupportedFlavorException ufe) {

                ufe.printStackTrace();

            } catch (IOException ioe) {

                ioe.printStackTrace();

            }

            return null;

        }

    }



    public static boolean copyImage(Image image) {

        ImageSelection imageSelection = new ImageSelection(image);

        Toolkit.getDefaultToolkit().getSystemClipboard().setContents(imageSelection, imageSelection);

        return true;

    }



    public static class ImageSelection implements Transferable,ClipboardOwner {


	    // the Image object which will be housed by the ImageSelection

        private Image mImage;



        public ImageSelection(Image image) {

            mImage = image;

        }

		public void lostOwnership(Clipboard clipboard, Transferable contents)
		{
			System.out.println("Lost ownership...");	
		}

        public DataFlavor[] getTransferDataFlavors() {

            return new DataFlavor[] { DataFlavor.imageFlavor };

        }

    

        public boolean isDataFlavorSupported(DataFlavor flavor) {

            return DataFlavor.imageFlavor.equals(flavor);

        }



        public Object getTransferData(DataFlavor flavor) throws UnsupportedFlavorException,IOException {

            if (!DataFlavor.imageFlavor.equals(flavor)) 

                throw new UnsupportedFlavorException(flavor);



            return mImage;

        }

    }
	
	public static void main(String args[])
	{
		Image img = pasteImage();
		System.out.println("PAsted image is " + img);
		copyImage(img);
		System.out.println("Copied image...");
	}
}