1 /*
   2  * Copyright (c) 1999, 2016, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 import java.awt.*;
  27 import java.awt.datatransfer.*;
  28 import java.awt.image.BufferedImage;
  29 import java.io.IOException;
  30 import java.util.Vector;
  31 
  32 /*
  33  * @test
  34  * @key headful
  35  * @summary To check Whether java.awt.Image can be transferred through the
  36  *          system clipboard
  37  * @author Jitender(jitender.singh@eng.sun.com) area=AWT
  38  * @author dmitriy.ermashov@oracle.com
  39  * @library ../../../../lib/client
  40  * @build ExtendedRobot
  41  * @run main ImageTransferTest
  42  */
  43 
  44 public class ImageTransferTest  {
  45 
  46     TestFrame frame1, frame2;
  47     Image image1, image2;
  48     DataFlavor imageFlavor;
  49 
  50     public static void main(String[] args) throws Exception {
  51         new ImageTransferTest().doTest();
  52     }
  53 
  54     class TestFrame extends Frame {
  55         boolean show;
  56         Image img;
  57         public TestFrame(boolean show, Image img){
  58             this.show = show;
  59             this.img = img;
  60         }
  61 
  62         public void paint( Graphics g ){
  63             if (show)
  64                 g.drawImage( this.img, 30, 30, this );
  65         }
  66     }
  67 
  68     class TransferableObject implements Transferable, ClipboardOwner {
  69 
  70         Object data;
  71         DataFlavor[] dfs;
  72 
  73         public TransferableObject(Object data) throws Exception {
  74             Vector v = new Vector();
  75             imageFlavor = new DataFlavor("image/x-java-Image;class=java.awt.Image");
  76             imageFlavor.setHumanPresentableName("Java Image Flavor Object");
  77 
  78             if( data instanceof java.awt.Image )
  79                 v.addElement(imageFlavor);
  80 
  81             dfs = new DataFlavor[v.size()];
  82             v.copyInto(dfs);
  83 
  84             for (int j = 0; j < dfs.length; j++)
  85                 System.out.println(" in constructor flavor : " + dfs[j]);
  86 
  87             this.data = data;
  88         }
  89 
  90         public Object getTransferData(DataFlavor flavor)
  91                 throws UnsupportedFlavorException,IOException {
  92 
  93             System.out.println(" **************");
  94             System.out.println(" The flavor passed to retrive the data :-" + flavor);
  95             System.out.println(" The flavors supported");
  96             for (int j = 0; j < dfs.length; j++)
  97                 System.out.println(" jitu flavor : " + dfs[j]);
  98 
  99             System.out.println(" **************");
 100 
 101             if(!isDataFlavorSupported(flavor))
 102                 throw new UnsupportedFlavorException(flavor);
 103 
 104             if(imageFlavor.equals(flavor)){
 105                 if( data instanceof java.awt.Image )
 106                     return data;
 107             }
 108             return null;
 109 
 110         }
 111 
 112         public DataFlavor[] getTransferDataFlavors() { return dfs; }
 113 
 114         public boolean isDataFlavorSupported(DataFlavor flavor) {
 115             for (int i = 0 ; i < dfs.length; i++)
 116                 if (dfs[i].match(flavor)) return true;
 117             return false;
 118         }
 119 
 120         public void lostOwnership(Clipboard clip,Transferable contents) {
 121             System.out.println(" LostOwnership is invoked");
 122         }
 123     }
 124 
 125     ImageTransferTest() throws Exception {
 126         BufferedImage img = new BufferedImage(100, 100, BufferedImage.TYPE_INT_ARGB);
 127         Graphics g = img.createGraphics();
 128         g.setColor(Color.WHITE);
 129         g.fillRect(0, 0, 100, 100);
 130         g.setColor(Color.RED);
 131         g.fillRect(20, 20, 60, 60);
 132         g.dispose();
 133 
 134         image1 = img;
 135         frame1 = new TestFrame(true, image1);
 136         frame2 = new TestFrame(false, null);
 137 
 138         System.out.println("Inside contrucor...");
 139 
 140         imageFlavor = new DataFlavor("image/x-java-Image;class=java.awt.Image");
 141         imageFlavor.setHumanPresentableName("Java Image Flavor Object");
 142 
 143         frame1.setBounds(10,350,200,200);
 144         frame2.setBounds(250,350,200,200);
 145         frame1.setVisible(true);
 146         frame2.setVisible(true);
 147         frame1.repaint();
 148     }
 149 
 150     public void compareImages() {
 151         if (image2 == image1)
 152             System.out.println("Pasted Image is same as that one copied !");
 153         else
 154             if (image2 != image1)
 155                 throw new RuntimeException("Image retreived from the Clipboard is not the same " +
 156                         "image that was set to the Clipboard");
 157     }
 158 
 159 
 160     public void doTest() throws Exception {
 161         ExtendedRobot robot = new ExtendedRobot();
 162         robot.waitForIdle(2000);
 163         TransferableObject imagedata = new TransferableObject(image1);
 164 
 165         Clipboard clip = Toolkit.getDefaultToolkit().getSystemClipboard();
 166         System.out.println("copying image...");
 167         if (imagedata != null) {
 168             clip.setContents(imagedata, imagedata);
 169         } else {
 170             System.out.println("Transferable object is null");
 171         }
 172 
 173         Transferable content = clip.getContents(this);
 174         if (content != null && (content.isDataFlavorSupported(imageFlavor))) {
 175             System.out.println("jitu after paste" + content);
 176             image2 = (Image) content.getTransferData(imageFlavor);
 177         } else {
 178             System.out.println("Contents of the clipboard is null");
 179         }
 180 
 181         frame2.img = image2;
 182         frame2.show = true;
 183         frame2.repaint();
 184 
 185         robot.waitForIdle(2000);
 186 
 187         compareImages();
 188     }
 189 }
 190