1 /*
   2  * Copyright (c) 2014, 2018, 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.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 /*
  25  * @test
  26  * @key headful
  27  * @bug 4397404 4720930 8197926 8176556
  28  * @summary tests that images of all supported native image formats are
  29  * transferred properly
  30  * @library /test/lib
  31  * @library ../../regtesthelpers/process/
  32  * @build jdk.test.lib.Platform ProcessResults ProcessCommunicator
  33  * @author gas@sparc.spb.su area=Clipboard
  34  * @run main/timeout=240 ImageTransferTest
  35  */
  36 
  37 import jdk.test.lib.Platform;
  38 import test.java.awt.regtesthelpers.process.ProcessCommunicator;
  39 import test.java.awt.regtesthelpers.process.ProcessResults;
  40 
  41 import java.awt.*;
  42 import java.awt.datatransfer.DataFlavor;
  43 import java.awt.datatransfer.SystemFlavorMap;
  44 import java.awt.datatransfer.Transferable;
  45 import java.awt.datatransfer.UnsupportedFlavorException;
  46 import java.awt.dnd.DnDConstants;
  47 import java.awt.dnd.DragSource;
  48 import java.awt.dnd.DragSourceAdapter;
  49 import java.awt.dnd.DragSourceDropEvent;
  50 import java.awt.dnd.DragSourceListener;
  51 import java.awt.dnd.DropTarget;
  52 import java.awt.dnd.DropTargetAdapter;
  53 import java.awt.dnd.DropTargetDropEvent;
  54 import java.awt.event.InputEvent;
  55 import java.awt.image.BufferedImage;
  56 import java.awt.image.MemoryImageSource;
  57 import java.util.stream.Stream;
  58 
  59 public class ImageTransferTest {
  60     public static void main(String[] arg) throws Exception {
  61         ImageDragSource ids = new ImageDragSource();
  62         try {
  63             ids.frame.setUndecorated(true);
  64             ids.frame.setLocation(100, 100);
  65             ids.frame.setVisible(true);
  66             Util.sync();
  67             String classpath = System.getProperty("java.class.path");
  68             String[] args = new String[ids.formats.length + 4];
  69             args[0] = "200";
  70             args[1] = "100";
  71             args[2] = args[3] = "150";
  72 
  73             System.arraycopy(ids.formats, 0, args, 4, ids.formats.length);
  74             String scale = System.getProperty("sun.java2d.uiScale");
  75             ProcessResults pres = ProcessCommunicator.
  76                     executeChildProcess(ImageDropTarget.class, classpath +
  77                     " -Dsun.java2d.uiScale=" + scale, args);
  78 
  79             if (pres.getStdErr() != null && pres.getStdErr().length() > 0) {
  80                 System.err.println("========= Child VM System.err ========");
  81                 System.err.print(pres.getStdErr());
  82                 System.err.println("======================================");
  83             }
  84 
  85             if (pres.getStdOut() != null && pres.getStdOut().length() > 0) {
  86                 System.err.println("========= Child VM System.out ========");
  87                 System.err.print(pres.getStdOut());
  88                 System.err.println("======================================");
  89             }
  90 
  91             boolean failed = false;
  92             String passedFormats = "";
  93             String failedFormats = "";
  94 
  95             for (int i = 0; i < ids.passedArray.length; i++) {
  96                 if (ids.passedArray[i]) passedFormats += ids.formats[i] + " ";
  97                 else {
  98                     failed = true;
  99                     failedFormats += ids.formats[i] + " ";
 100                 }
 101             }
 102 
 103             if (failed) {
 104                 throw new RuntimeException("test failed: images in following " +
 105                 "native formats are not transferred properly: " +
 106                 failedFormats);
 107             } else {
 108                 System.err.println("images in following " +
 109                 "native formats are transferred properly: " + passedFormats);
 110             }
 111         } finally {
 112             if (ids.frame != null) {
 113                 ids.frame.dispose();
 114             }
 115         }
 116     }
 117 }
 118 
 119 
 120 class Util {
 121     private static Robot srobot = null;
 122     public static void sync() {
 123         try {
 124             if(srobot == null) {
 125                 srobot = new Robot();
 126             }
 127             srobot.waitForIdle();
 128             Thread.sleep(500);
 129         } catch (Exception e) {
 130             throw new RuntimeException(e);
 131         }
 132     }
 133 }
 134 
 135 abstract class ImageTransferer {
 136     Image image;
 137     String[] formats;
 138     int fi; // current format index
 139     Frame frame = new Frame();
 140 
 141 
 142     ImageTransferer() {
 143         image = createImage();
 144         frame.setSize(100, 100);
 145     }
 146 
 147     private static Image createImage() {
 148         int w = 100;
 149         int h = 100;
 150         int[] pix = new int[w * h];
 151 
 152         BufferedImage img = new BufferedImage(w, h, BufferedImage.TYPE_INT_RGB);
 153         int index = 0;
 154         for (int y = 0; y < h; y++) {
 155             for (int x = 0; x < w; x++) {
 156                 int red = 127;
 157                 int green = 127;
 158                 int blue = y > h / 2 ? 127 : 0;
 159                 if (x < w / 4 && y < h / 4) {
 160                     red = 0;
 161                 }
 162                 pix[index] =
 163                         (red << 16) | (green << 8) | blue;
 164                 img.setRGB(x, y, pix[index]);
 165                 index++;
 166             }
 167         }
 168         return (Image)img;
 169     }
 170 
 171 
 172     static String[] retrieveFormatsToTest() {
 173         SystemFlavorMap sfm =
 174                 (SystemFlavorMap) SystemFlavorMap.getDefaultFlavorMap();
 175         java.util.List<String> ln =
 176                 sfm.getNativesForFlavor(DataFlavor.imageFlavor);
 177         if (Platform.isWindows() &&  !ln.contains("METAFILEPICT"))
 178         {
 179             // for test failing on JDK without this fix
 180             ln.add("METAFILEPICT");
 181         }
 182         return ln.toArray(new String[ln.size()]);
 183     }
 184 
 185     static void leaveFormat(String format) {
 186         SystemFlavorMap sfm =
 187                 (SystemFlavorMap) SystemFlavorMap.getDefaultFlavorMap();
 188         sfm.setFlavorsForNative(format,
 189                                 new DataFlavor[]{DataFlavor.imageFlavor});
 190         sfm.setNativesForFlavor(DataFlavor.imageFlavor, new String[]{format});
 191     }
 192 
 193 
 194     boolean areImagesIdentical(Image im1, Image im2) {
 195         if (formats[fi].equals("JFIF") || formats[fi].equals("image/jpeg") ||
 196         formats[fi].equals("GIF") || formats[fi].equals("image/gif")) {
 197             // JFIF and GIF are lossy formats
 198             return true;
 199         }
 200         int[] ib1 = getImageData(im1);
 201         int[] ib2 = getImageData(im2);
 202 
 203         if (ib1.length != ib2.length) {
 204             return false;
 205         }
 206 
 207         for (int i = 0; i < ib1.length; i++) {
 208             if (ib1[i] != ib2[i]) {
 209                 System.err.println("different pixels: " +
 210                 Integer.toHexString(ib1[i]) + " " +
 211                 Integer.toHexString(ib2[i]));
 212                 return false;
 213             }
 214         }
 215         return true;
 216     }
 217 
 218     private static int[] getImageData(Image image) {
 219         int width = image.getWidth(null);
 220         int height = image.getHeight(null);
 221         BufferedImage bimage =
 222                 new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
 223         Graphics2D g2d = bimage.createGraphics();
 224         try {
 225             g2d.drawImage(image, 0, 0, width, height, null);
 226         } finally {
 227             g2d.dispose();
 228         }
 229         return bimage.getRGB(0, 0, width, height, null, 0, width);
 230     }
 231 
 232     public static int sign(int n) {
 233         return n < 0 ? -1 : n == 0 ? 0 : 1;
 234     }
 235 
 236 }
 237 
 238 
 239 class ImageDragSource extends ImageTransferer {
 240     boolean[] passedArray;
 241 
 242     ImageDragSource() {
 243         formats = retrieveFormatsToTest();
 244         passedArray = new boolean[formats.length];
 245         final DragSourceListener dsl = new DragSourceAdapter() {
 246             public void dragDropEnd(DragSourceDropEvent e) {
 247                 System.err.println("Drop was successful=" + e.getDropSuccess());
 248                 notifyTransferSuccess(e.getDropSuccess());
 249                 if (++fi < formats.length) {
 250                     leaveFormat(formats[fi]);
 251                 }
 252             }
 253         };
 254 
 255         new DragSource().createDefaultDragGestureRecognizer(frame,
 256         DnDConstants.ACTION_COPY,
 257         dge -> dge.startDrag(null, new ImageSelection(image), dsl));
 258         leaveFormat(formats[fi]);
 259     }
 260 
 261 
 262     void notifyTransferSuccess(boolean status) {
 263         passedArray[fi] = status;
 264     }
 265 }
 266 
 267 
 268 class ImageDropTarget extends ImageTransferer {
 269     private final Robot robot;
 270     private static ImageDropTarget idt;
 271     private static Point startPoint, endPoint = new Point(250, 150);
 272     private static int dropCount = 0;
 273 
 274     ImageDropTarget() throws AWTException {
 275         DropTargetAdapter dropTargetAdapter = new DropTargetAdapter() {
 276             @Override
 277             public void drop(DropTargetDropEvent dtde) {
 278                 dropCount++;
 279                 checkImage(dtde);
 280                 startImageDrag();
 281             }
 282         };
 283         new DropTarget(frame, dropTargetAdapter);
 284         robot = new Robot();
 285     }
 286 
 287 
 288     void checkImage(DropTargetDropEvent dtde) {
 289         final Transferable t = dtde.getTransferable();
 290         if (t.isDataFlavorSupported(DataFlavor.imageFlavor)) {
 291             dtde.acceptDrop(DnDConstants.ACTION_COPY);
 292             Image im;
 293             try {
 294                 im = (Image) t.getTransferData(DataFlavor.imageFlavor);
 295                 System.err.println("getTransferData was successful");
 296             } catch (Exception e) {
 297                 System.err.println("Can't getTransferData: " + e);
 298                 dtde.dropComplete(false);
 299                 notifyTransferSuccess(false);
 300                 return;
 301             }
 302 
 303             if (im == null) {
 304                 System.err.println("getTransferData returned null");
 305                 dtde.dropComplete(false);
 306                 notifyTransferSuccess(false);
 307             } else if (areImagesIdentical(image, im)) {
 308                 dtde.dropComplete(true);
 309                 notifyTransferSuccess(true);
 310             } else {
 311                 System.err.println("transferred image is different from" +
 312                         " initial image");
 313                 dtde.dropComplete(false);
 314                 notifyTransferSuccess(false);
 315             }
 316 
 317         } else {
 318             System.err.println("imageFlavor is not supported by Transferable");
 319             dtde.rejectDrop();
 320             notifyTransferSuccess(false);
 321         }
 322     }
 323 
 324     void startImageDrag() {
 325         leaveFormat(formats[fi]);
 326         new Thread(() -> {
 327             try {
 328                 Thread.sleep(1000);
 329             } catch (InterruptedException e) {
 330                 if (idt.frame != null) {
 331                     idt.frame.dispose();
 332                 }
 333                 e.printStackTrace();
 334                 // Exit from the child process
 335                 System.exit(1);
 336             }
 337             robot.mouseMove(startPoint.x, startPoint.y);
 338             robot.mousePress(InputEvent.BUTTON1_MASK);
 339             for (Point p = new Point(startPoint); !p.equals(endPoint);
 340                  p.translate(sign(endPoint.x - p.x),
 341                  sign(endPoint.y - p.y)))
 342             {
 343                 robot.mouseMove(p.x, p.y);
 344                 try {
 345                     Thread.sleep(50);
 346                 } catch (InterruptedException e) {
 347                     e.printStackTrace();
 348                 }
 349             }
 350 
 351             robot.mouseRelease(InputEvent.BUTTON1_MASK);
 352         }).start();
 353     }
 354 
 355     void notifyTransferSuccess(boolean status) {
 356         if (status) {
 357             System.err.println("format passed: " + formats[fi]);
 358         } else {
 359             if (idt.frame != null) {
 360                 idt.frame.dispose();
 361             }
 362             System.err.println("format failed: " + formats[fi]);
 363             System.exit(1);
 364         }
 365         if (fi < formats.length - 1) {
 366             leaveFormat(formats[++fi]);
 367         } else {
 368             new Thread(() -> {
 369                 try {
 370                     Thread.sleep(500);
 371                 } catch (InterruptedException e) {
 372                     e.printStackTrace();
 373                 }
 374                 System.exit(0);
 375             }).start();
 376         }
 377     }
 378 
 379 
 380     public static void main(String[] args) throws Exception {
 381         idt = new ImageDropTarget();
 382         try {
 383             idt.frame.setUndecorated(true);
 384 
 385             int x = Integer.parseInt(args[0]);
 386             int y = Integer.parseInt(args[1]);
 387             startPoint = new Point(Integer.parseInt(args[2]),
 388                                    Integer.parseInt(args[3]));
 389 
 390             idt.formats = new String[args.length - 4];
 391             System.arraycopy(args, 4, idt.formats, 0, args.length - 4);
 392             leaveFormat(idt.formats[0]);
 393 
 394             idt.frame.setLocation(x, y);
 395             idt.frame.setVisible(true);
 396             Util.sync();
 397 
 398             idt.startImageDrag();
 399             new Thread(() -> {
 400                 try {
 401                     Thread.sleep(120000);
 402                 } catch (InterruptedException e) {
 403                     e.printStackTrace();
 404                 }
 405                 if (dropCount == 0) {
 406                     if (idt.frame != null) {
 407                         idt.frame.dispose();
 408                     }
 409                     System.exit(1);
 410                 }
 411             }).start();
 412         } catch (Throwable e) {
 413             if (idt.frame != null) {
 414                 idt.frame.dispose();
 415             }
 416             e.printStackTrace();
 417             System.exit(1);
 418         }
 419     }
 420 
 421 }
 422 
 423 
 424 class ImageSelection implements Transferable {
 425     private static final int IMAGE = 0;
 426     private static final DataFlavor[] flavors = {DataFlavor.imageFlavor};
 427     private Image data;
 428 
 429     public ImageSelection(Image data) {
 430         this.data = data;
 431     }
 432 
 433     @Override
 434     public DataFlavor[] getTransferDataFlavors() {
 435         // returning flavors itself would allow client code to modify
 436         // our internal behavior
 437         return flavors.clone();
 438     }
 439 
 440     @Override
 441     public boolean isDataFlavorSupported(DataFlavor flavor) {
 442         return Stream.of(flavor).anyMatch(flavor::equals);
 443     }
 444 
 445     @Override
 446     public Object getTransferData(DataFlavor flavor)
 447             throws UnsupportedFlavorException
 448     {
 449         if (flavor.equals(flavors[IMAGE])) {
 450             return data;
 451         } else {
 452             throw new UnsupportedFlavorException(flavor);
 453         }
 454     }
 455 }
 456