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
  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         int index = 0;
 153         for (int y = 0; y < h; y++) {
 154             for (int x = 0; x < w; x++) {
 155                 int red = 127;
 156                 int green = 127;
 157                 int blue = y > h / 2 ? 127 : 0;
 158                 int alpha = 255;
 159                 if (x < w / 4 && y < h / 4) {
 160                     alpha = 0;
 161                     red = 0;
 162                 }
 163                 pix[index++] =
 164                         (alpha << 24) | (red << 16) | (green << 8) | blue;







 165             }
 166         }
 167         return Toolkit.getDefaultToolkit().
 168                 createImage(new MemoryImageSource(w, h, pix, 0, w));
 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         if (formats[fi].equals("PNG") ||
 208         formats[fi].equals("image/png") ||
 209         formats[fi].equals("image/x-png")) {
 210             // check alpha as well
 211             for (int i = 0; i < ib1.length; i++) {
 212                 if (ib1[i] != ib2[i]) {
 213                     System.err.println("different pixels: " +
 214                     Integer.toHexString(ib1[i]) + " " +
 215                     Integer.toHexString(ib2[i]));
 216                     return false;
 217                 }
 218             }
 219         } else {
 220             for (int i = 0; i < ib1.length; i++) {
 221                 if ((ib1[i] & 0x00FFFFFF) != (ib2[i] & 0x00FFFFFF)) {
 222                     System.err.println("different pixels: " +
 223                     Integer.toHexString(ib1[i]) + " " +
 224                     Integer.toHexString(ib2[i]));
 225                     return false;
 226                 }
 227             }
 228         }
 229         return true;
 230     }
 231 
 232     private static int[] getImageData(Image image) {
 233         int width = image.getWidth(null);
 234         int height = image.getHeight(null);
 235         BufferedImage bimage =
 236                 new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
 237         Graphics2D g2d = bimage.createGraphics();
 238         try {
 239             g2d.drawImage(image, 0, 0, width, height, null);
 240         } finally {
 241             g2d.dispose();
 242         }
 243         return bimage.getRGB(0, 0, width, height, null, 0, width);
 244     }
 245 
 246     public static int sign(int n) {
 247         return n < 0 ? -1 : n == 0 ? 0 : 1;
 248     }
 249 
 250 }
 251 
 252 
 253 class ImageDragSource extends ImageTransferer {
 254     boolean[] passedArray;
 255 
 256     ImageDragSource() {
 257         formats = retrieveFormatsToTest();
 258         passedArray = new boolean[formats.length];
 259         final DragSourceListener dsl = new DragSourceAdapter() {
 260             public void dragDropEnd(DragSourceDropEvent e) {
 261                 System.err.println("Drop was successful=" + e.getDropSuccess());
 262                 notifyTransferSuccess(e.getDropSuccess());
 263                 if (++fi < formats.length) {
 264                     leaveFormat(formats[fi]);
 265                 }
 266             }
 267         };
 268 
 269         new DragSource().createDefaultDragGestureRecognizer(frame,
 270         DnDConstants.ACTION_COPY,
 271         dge -> dge.startDrag(null, new ImageSelection(image), dsl));






 272         leaveFormat(formats[fi]);
 273     }
 274 
 275 
 276     void notifyTransferSuccess(boolean status) {
 277         passedArray[fi] = status;
 278     }
 279 }
 280 
 281 
 282 class ImageDropTarget extends ImageTransferer {
 283     private final Robot robot;
 284     private static ImageDropTarget idt;
 285     private static Point startPoint, endPoint = new Point(250, 150);
 286     private static int dropCount = 0;
 287 
 288     ImageDropTarget() throws AWTException {
 289         DropTargetAdapter dropTargetAdapter = new DropTargetAdapter() {
 290             @Override
 291             public void drop(DropTargetDropEvent dtde) {
 292                 dropCount++;
 293                 checkImage(dtde);
 294                 startImageDrag();
 295             }
 296         };
 297         new DropTarget(frame, dropTargetAdapter);
 298         robot = new Robot();
 299     }
 300 
 301 
 302     void checkImage(DropTargetDropEvent dtde) {
 303         final Transferable t = dtde.getTransferable();
 304         if (t.isDataFlavorSupported(DataFlavor.imageFlavor)) {
 305             dtde.acceptDrop(DnDConstants.ACTION_COPY);
 306             Image im;
 307             try {
 308                 im = (Image) t.getTransferData(DataFlavor.imageFlavor);
 309                 System.err.println("getTransferData was successful");
 310             } catch (Exception e) {
 311                 System.err.println("Can't getTransferData: " + e);
 312                 dtde.dropComplete(false);
 313                 notifyTransferSuccess(false);
 314                 return;
 315             }
 316 








 317             if (im == null) {
 318                 System.err.println("getTransferData returned null");
 319                 dtde.dropComplete(false);
 320                 notifyTransferSuccess(false);
 321             } else if (areImagesIdentical(image, im)) {
 322                 dtde.dropComplete(true);
 323                 notifyTransferSuccess(true);
 324             } else {
 325                 System.err.println("transferred image is different from" +
 326                         " initial image");
 327                 dtde.dropComplete(false);
 328                 notifyTransferSuccess(false);
 329             }
 330 
 331         } else {
 332             System.err.println("imageFlavor is not supported by Transferable");
 333             dtde.rejectDrop();
 334             notifyTransferSuccess(false);
 335         }
 336     }
 337 
 338     void startImageDrag() {
 339         leaveFormat(formats[fi]);
 340         new Thread(() -> {
 341             try {
 342                 Thread.sleep(1000);
 343             } catch (InterruptedException e) {
 344                 if (idt.frame != null) {
 345                     idt.frame.dispose();
 346                 }
 347                 e.printStackTrace();
 348                 // Exit from the child process
 349                 System.exit(1);
 350             }
 351             robot.mouseMove(startPoint.x, startPoint.y);
 352             robot.mousePress(InputEvent.BUTTON1_MASK);
 353             for (Point p = new Point(startPoint); !p.equals(endPoint);
 354                  p.translate(sign(endPoint.x - p.x),
 355                  sign(endPoint.y - p.y)))
 356             {
 357                 robot.mouseMove(p.x, p.y);
 358                 try {
 359                     Thread.sleep(50);
 360                 } catch (InterruptedException e) {
 361                     e.printStackTrace();
 362                 }
 363             }
 364 
 365             robot.mouseRelease(InputEvent.BUTTON1_MASK);
 366         }).start();
 367     }
 368 
 369     void notifyTransferSuccess(boolean status) {
 370         if (status) {
 371             System.err.println("format passed: " + formats[fi]);
 372         } else {
 373             if (idt.frame != null) {
 374                 idt.frame.dispose();
 375             }
 376             System.err.println("format failed: " + formats[fi]);
 377             System.exit(1);
 378         }
 379         if (fi < formats.length - 1) {
 380             leaveFormat(formats[++fi]);
 381         } else {
 382             new Thread(() -> {
 383                 try {
 384                     Thread.sleep(500);
 385                 } catch (InterruptedException e) {
 386                     e.printStackTrace();
 387                 }
 388                 System.exit(0);
 389             }).start();
 390         }
 391     }
 392 
 393 
 394     public static void main(String[] args) throws Exception {
 395         idt = new ImageDropTarget();
 396         try {
 397             idt.frame.setUndecorated(true);
 398 
 399             int x = Integer.parseInt(args[0]);
 400             int y = Integer.parseInt(args[1]);
 401             startPoint = new Point(Integer.parseInt(args[2]),
 402                                    Integer.parseInt(args[3]));
 403 
 404             idt.formats = new String[args.length - 4];
 405             System.arraycopy(args, 4, idt.formats, 0, args.length - 4);
 406             leaveFormat(idt.formats[0]);
 407 
 408             idt.frame.setLocation(x, y);
 409             idt.frame.setVisible(true);
 410             Util.sync();
 411 
 412             idt.startImageDrag();
 413             new Thread(() -> {
 414                 try {
 415                     Thread.sleep(120000);
 416                 } catch (InterruptedException e) {
 417                     e.printStackTrace();
 418                 }
 419                 if (dropCount == 0) {
 420                     if (idt.frame != null) {
 421                         idt.frame.dispose();
 422                     }
 423                     System.exit(1);
 424                 }
 425             }).start();
 426         } catch (Throwable e) {
 427             if (idt.frame != null) {
 428                 idt.frame.dispose();
 429             }
 430             e.printStackTrace();
 431             System.exit(1);
 432         }
 433     }
 434 
 435 }
 436 
 437 
 438 class ImageSelection implements Transferable {
 439     private static final int IMAGE = 0;
 440     private static final DataFlavor[] flavors = {DataFlavor.imageFlavor};
 441     private Image data;
 442 
 443     public ImageSelection(Image data) {
 444         this.data = data;
 445     }
 446 
 447     @Override
 448     public DataFlavor[] getTransferDataFlavors() {
 449         // returning flavors itself would allow client code to modify
 450         // our internal behavior
 451         return flavors.clone();
 452     }
 453 
 454     @Override
 455     public boolean isDataFlavorSupported(DataFlavor flavor) {
 456         return Stream.of(flavor).anyMatch(flavor::equals);
 457     }
 458 
 459     @Override
 460     public Object getTransferData(DataFlavor flavor)
 461             throws UnsupportedFlavorException
 462     {
 463         if (flavor.equals(flavors[IMAGE])) {
 464             return data;
 465         } else {
 466             throw new UnsupportedFlavorException(flavor);
 467         }
 468     }
 469 }
 470 
--- EOF ---