1 /*
   2  * Copyright (c) 1999, 2014, 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  * @summary To check Whether java.awt.Image can be transferred through the
  35  *          system clipboard
  36  * @author Jitender(jitender.singh@eng.sun.com) area=AWT
  37  * @author dmitriy.ermashov@oracle.com
  38  * @library ../../../../lib/testlibrary
  39  * @build ExtendedRobot
  40  * @run main ImageTransferTest
  41  */
  42 
  43 public class ImageTransferTest  {
  44 
  45     TestFrame frame1, frame2;
  46     Image image1, image2;
  47     DataFlavor imageFlavor;
  48 
  49     public static void main(String[] args) throws Exception {
  50         new ImageTransferTest().doTest();
  51     }
  52 
  53     class TestFrame extends Frame {
  54         boolean show;
  55         Image img;
  56         public TestFrame(boolean show, Image img){
  57             this.show = show;
  58             this.img = img;
  59         }
  60 
  61         public void paint( Graphics g ){
  62             if (show)
  63                 g.drawImage( this.img, 30, 30, this );
  64         }
  65     }
  66 
  67     class TransferableObject implements Transferable, ClipboardOwner {
  68 
  69         Object data;
  70         DataFlavor[] dfs;
  71 
  72         public TransferableObject(Object data) throws Exception {
  73             Vector v = new Vector();
  74             imageFlavor = new DataFlavor("image/x-java-Image;class=java.awt.Image");
  75             imageFlavor.setHumanPresentableName("Java Image Flavor Object");
  76 
  77             if( data instanceof java.awt.Image )
  78                 v.addElement(imageFlavor);
  79 
  80             dfs = new DataFlavor[v.size()];
  81             v.copyInto(dfs);
  82 
  83             for (int j = 0; j < dfs.length; j++)
  84                 System.out.println(" in constructor flavor : " + dfs[j]);
  85 
  86             this.data = data;
  87         }
  88 
  89         public Object getTransferData(DataFlavor flavor)
  90                 throws UnsupportedFlavorException,IOException {
  91 
  92             System.out.println(" **************");
  93             System.out.println(" The flavor passed to retrive the data :-" + flavor);
  94             System.out.println(" The flavors supported");
  95             for (int j = 0; j < dfs.length; j++)
  96                 System.out.println(" jitu flavor : " + dfs[j]);
  97 
  98             System.out.println(" **************");
  99 
 100             if(!isDataFlavorSupported(flavor))
 101                 throw new UnsupportedFlavorException(flavor);
 102 
 103             if(imageFlavor.equals(flavor)){
 104                 if( data instanceof java.awt.Image )
 105                     return data;
 106             }
 107             return null;
 108 
 109         }
 110 
 111         public DataFlavor[] getTransferDataFlavors() { return dfs; }
 112 
 113         public boolean isDataFlavorSupported(DataFlavor flavor) {
 114             for (int i = 0 ; i < dfs.length; i++)
 115                 if (dfs[i].match(flavor)) return true;
 116             return false;
 117         }
 118 
 119         public void lostOwnership(Clipboard clip,Transferable contents) {
 120             System.out.println(" LostOwnership is invoked");
 121         }
 122     }
 123 
 124     ImageTransferTest() throws Exception {
 125         BufferedImage img = new BufferedImage(100, 100, BufferedImage.TYPE_INT_ARGB);
 126         Graphics g = img.createGraphics();
 127         g.setColor(Color.WHITE);
 128         g.fillRect(0, 0, 100, 100);
 129         g.setColor(Color.RED);
 130         g.fillRect(20, 20, 60, 60);
 131         g.dispose();
 132 
 133         image1 = img;
 134         frame1 = new TestFrame(true, image1);
 135         frame2 = new TestFrame(false, null);
 136 
 137         System.out.println("Inside contrucor...");
 138 
 139         imageFlavor = new DataFlavor("image/x-java-Image;class=java.awt.Image");
 140         imageFlavor.setHumanPresentableName("Java Image Flavor Object");
 141 
 142         frame1.setBounds(10,350,200,200);
 143         frame2.setBounds(250,350,200,200);
 144         frame1.setVisible(true);
 145         frame2.setVisible(true);
 146         frame1.repaint();
 147     }
 148 
 149     public void compareImages() {
 150         if (image2 == image1)
 151             System.out.println("Pasted Image is same as that one copied !");
 152         else
 153             if (image2 != image1)
 154                 throw new RuntimeException("Image retreived from the Clipboard is not the same " +
 155                         "image that was set to the Clipboard");
 156     }
 157 
 158 
 159     public void doTest() throws Exception {
 160         ExtendedRobot robot = new ExtendedRobot();
 161         robot.waitForIdle(2000);
 162         TransferableObject imagedata = new TransferableObject(image1);
 163 
 164         Clipboard clip = Toolkit.getDefaultToolkit().getSystemClipboard();
 165         System.out.println("copying image...");
 166         if (imagedata != null) {
 167             clip.setContents(imagedata, imagedata);
 168         } else {
 169             System.out.println("Transferable object is null");
 170         }
 171 
 172         Transferable content = clip.getContents(this);
 173         if (content != null && (content.isDataFlavorSupported(imageFlavor))) {
 174             System.out.println("jitu after paste" + content);
 175             image2 = (Image) content.getTransferData(imageFlavor);
 176         } else {
 177             System.out.println("Contents of the clipboard is null");
 178         }
 179 
 180         frame2.img = image2;
 181         frame2.show = true;
 182         frame2.repaint();
 183 
 184         robot.waitForIdle(2000);
 185 
 186         compareImages();
 187     }
 188 }
 189