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8037371: [macosx] Test closed/java/awt/dnd/ImageTransferTest/ImageTransferTest.html fails

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Reviewed-by: anthony, serb
This commit is contained in:
Petr Pchelko 2014-03-14 17:48:28 +04:00
parent 72344ee850
commit a3cc5f5cf3
7 changed files with 505 additions and 124 deletions
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28
jdk/src/macosx/classes/sun/lwawt/macosx/CDataTransferer.java
View File

@ -52,7 +52,9 @@ public class CDataTransferer extends DataTransferer {
"RICH_TEXT",
"HTML",
"PDF",
"URL"
"URL",
"PNG",
"JFIF"
};
static {
@ -74,8 +76,8 @@ public class CDataTransferer extends DataTransferer {
public static final int CF_HTML = 5;
public static final int CF_PDF = 6;
public static final int CF_URL = 7;
public static final int CF_PNG = 10;
public static final int CF_JPEG = 11;
public static final int CF_PNG = 8;
public static final int CF_JPEG = 9;
private CDataTransferer() {}
@ -204,20 +206,9 @@ public class CDataTransferer extends DataTransferer {
return handler;
}
private native byte[] imageDataToPlatformImageBytes(int[] rData, int nW, int nH);
@Override
protected byte[] imageToPlatformBytes(Image image, long format) {
int w = image.getWidth(null);
int h = image.getHeight(null);
BufferedImage bimage = new BufferedImage(w, h, BufferedImage.TYPE_INT_ARGB_PRE);
Graphics g = bimage.getGraphics();
g.drawImage(image, 0, 0, w, h, null);
g.dispose();
Raster raster = bimage.getRaster();
DataBuffer buffer = raster.getDataBuffer();
return imageDataToPlatformImageBytes(((DataBufferInt)buffer).getData(),
raster.getWidth(),
raster.getHeight());
return CImage.getCreator().getPlatformImageBytes(image);
}
private static native String[] nativeDragQueryFile(final byte[] bytes);
@ -228,14 +219,9 @@ public class CDataTransferer extends DataTransferer {
return nativeDragQueryFile(bytes);
}
private native Image getImageForByteStream(byte[] bytes);
/**
* Translates a byte array which contains
* platform-specific image data in the given format into an Image.
*/
@Override
protected Image platformImageBytesToImage(byte[] bytes, long format) throws IOException {
return getImageForByteStream(bytes);
return CImage.getCreator().createImageFromPlatformImageBytes(bytes);
}
@Override

19
jdk/src/macosx/classes/sun/lwawt/macosx/CImage.java
View File

@ -38,11 +38,13 @@ import sun.awt.image.SunWritableRaster;
public class CImage extends CFRetainedResource {
private static native long nativeCreateNSImageFromArray(int[] buffer, int w, int h);
private static native long nativeCreateNSImageFromBytes(byte[] buffer);
private static native long nativeCreateNSImageFromArrays(int[][] buffers, int w[], int h[]);
private static native long nativeCreateNSImageFromFileContents(String file);
private static native long nativeCreateNSImageOfFileFromLaunchServices(String file);
private static native long nativeCreateNSImageFromImageName(String name);
private static native long nativeCreateNSImageFromIconSelector(int selector);
private static native byte[] nativeGetPlatformImageBytes(int[] buffer, int w, int h);
private static native void nativeCopyNSImageIntoArray(long image, int[] buffer, int sw, int sh, int dw, int dh);
private static native Dimension2D nativeGetNSImageSize(long image);
private static native void nativeSetNSImageSize(long image, double w, double h);
@ -147,6 +149,23 @@ public class CImage extends CFRetainedResource {
image.getHeight(null)));
}
public byte[] getPlatformImageBytes(final Image image) {
int[] buffer = imageToArray(image, false);
if (buffer == null) {
return null;
}
return nativeGetPlatformImageBytes(buffer, image.getWidth(null), image.getHeight(null));
}
/**
* Translates a byte array which contains platform-specific image data in the given format into an Image.
*/
public Image createImageFromPlatformImageBytes(final byte[] buffer) {
return createImageUsingNativeSize(nativeCreateNSImageFromBytes(buffer));
}
// This is used to create a CImage from a Image
public CImage createFromImage(final Image image) {
if (image instanceof MultiResolutionImage) {

104
jdk/src/macosx/native/sun/awt/CDataTransferer.m
View File

@ -54,6 +54,10 @@ NSMutableDictionary *getMappingTable() {
forKey:[NSNumber numberWithLong:sun_lwawt_macosx_CDataTransferer_CF_PDF]];
[sStandardMappings setObject:NSURLPboardType
forKey:[NSNumber numberWithLong:sun_lwawt_macosx_CDataTransferer_CF_URL]];
[sStandardMappings setObject:NSPasteboardTypePNG
forKey:[NSNumber numberWithLong:sun_lwawt_macosx_CDataTransferer_CF_PNG]];
[sStandardMappings setObject:(NSString*)kUTTypeJPEG
forKey:[NSNumber numberWithLong:sun_lwawt_macosx_CDataTransferer_CF_JPEG]];
}
return sStandardMappings;
}
@ -126,106 +130,6 @@ JNF_COCOA_EXIT(env);
return returnValue;
}
/*
* Class: sun_lwawt_macosx_CDataTransferer
* Method: imageDataToPlatformImageBytes
* Signature: ([III)[B
*/
JNIEXPORT jbyteArray JNICALL Java_sun_lwawt_macosx_CDataTransferer_imageDataToPlatformImageBytes
(JNIEnv *env, jobject obj, jintArray inPixelData, jint inWidth, jint inHeight)
{
jbyteArray returnValue = nil;
JNF_COCOA_ENTER(env);
UInt32 *rawImageData = (UInt32 *)(*env)->GetPrimitiveArrayCritical(env, inPixelData, 0);
// The pixel data is in premultiplied ARGB format. That's exactly what
// we need for the bitmap image rep.
if (rawImageData != NULL) {
NSBitmapImageRep *imageRep = [[NSBitmapImageRep alloc] initWithBitmapDataPlanes:NULL
pixelsWide:inWidth
pixelsHigh:inHeight
bitsPerSample:8
samplesPerPixel:4
hasAlpha:YES
isPlanar:NO
colorSpaceName:NSCalibratedRGBColorSpace
bytesPerRow:(inWidth*4)
bitsPerPixel:32];
// Conver the ARGB data into RGBA data that the bitmap can draw.
unsigned char *destData = [imageRep bitmapData];
unsigned char *currentRowBase;
jint x, y;
for (y = 0; y < inHeight; y++) {
currentRowBase = destData + y * (inWidth * 4);
unsigned char *currElement = currentRowBase;
for (x = 0; x < inWidth; x++) {
UInt32 currPixel = rawImageData[y * inWidth + x];
*currElement++ = ((currPixel & 0xFF0000) >> 16);
*currElement++ = ((currPixel & 0xFF00) >> 8);
*currElement++ = (currPixel & 0xFF);
*currElement++ = ((currPixel & 0xFF000000) >> 24);
}
}
(*env)->ReleasePrimitiveArrayCritical(env, inPixelData, rawImageData, JNI_ABORT);
NSData *tiffImage = [imageRep TIFFRepresentation];
jsize tiffSize = (jsize)[tiffImage length]; // #warning 64-bit: -length returns NSUInteger, but NewByteArray takes jsize
returnValue = (*env)->NewByteArray(env, tiffSize);
CHECK_NULL_RETURN(returnValue, nil);
jbyte *tiffData = (jbyte *)(*env)->GetPrimitiveArrayCritical(env, returnValue, 0);
CHECK_NULL_RETURN(tiffData, nil);
[tiffImage getBytes:tiffData];
(*env)->ReleasePrimitiveArrayCritical(env, returnValue, tiffData, 0); // Do not use JNI_COMMIT, as that will not free the buffer copy when +ProtectJavaHeap is on.
[imageRep release];
}
JNF_COCOA_EXIT(env);
return returnValue;
}
static jobject getImageForByteStream(JNIEnv *env, jbyteArray sourceData)
{
CHECK_NULL_RETURN(sourceData, NULL);
jsize sourceSize = (*env)->GetArrayLength(env, sourceData);
if (sourceSize == 0) return NULL;
jbyte *sourceBytes = (*env)->GetPrimitiveArrayCritical(env, sourceData, NULL);
CHECK_NULL_RETURN(sourceBytes, NULL);
NSData *rawData = [NSData dataWithBytes:sourceBytes length:sourceSize];
NSImage *newImage = [[NSImage alloc] initWithData:rawData];
(*env)->ReleasePrimitiveArrayCritical(env, sourceData, sourceBytes, JNI_ABORT);
CHECK_NULL_RETURN(newImage, NULL);
// The ownership of the NSImage is passed to the new CImage jobject. No need to release it.
static JNF_CLASS_CACHE(jc_CImage, "sun/lwawt/macosx/CImage");
static JNF_STATIC_MEMBER_CACHE(jm_CImage_getCreator, jc_CImage, "getCreator", "()Lsun/lwawt/macosx/CImage$Creator;");
jobject creator = JNFCallStaticObjectMethod(env, jm_CImage_getCreator);
static JNF_CLASS_CACHE(jc_CImage_Generator, "sun/lwawt/macosx/CImage$Creator");
static JNF_MEMBER_CACHE(jm_CImage_Generator_createImageUsingNativeSize, jc_CImage_Generator, "createImageUsingNativeSize", "(J)Ljava/awt/image/BufferedImage;");
return JNFCallObjectMethod(env, creator, jm_CImage_Generator_createImageUsingNativeSize, ptr_to_jlong(newImage)); // AWT_THREADING Safe (known object)
}
/*
* Class: sun_lwawt_macosx_CDataTransferer
* Method: getImageForByteStream
* Signature: ([B)Ljava/awt/Image;
*/
JNIEXPORT jobject JNICALL Java_sun_lwawt_macosx_CDataTransferer_getImageForByteStream
(JNIEnv *env, jobject obj, jbyteArray sourceData)
{
jobject img = NULL;
JNF_COCOA_ENTER(env);
img = getImageForByteStream(env, sourceData);
JNF_COCOA_EXIT(env);
return img;
}
static jobjectArray CreateJavaFilenameArray(JNIEnv *env, NSArray *filenameArray)
{
NSUInteger filenameCount = [filenameArray count];

3
jdk/src/macosx/native/sun/awt/CDragSource.m
View File

@ -311,8 +311,7 @@ static BOOL sNeedsEnter;
// This is a good approximation if not perfect. A conclusive search would
// have to be done matching all defined strings in AppKit's commonStrings.h.
if ([type hasPrefix:@"NS"] || [type hasPrefix:@"NeXT"])
hasNSTypeData = true;
hasNSTypeData = [type hasPrefix:@"NS"] || [type hasPrefix:@"NeXT"] || [type hasPrefix:@"public."];
}
}
}

2
jdk/src/macosx/native/sun/awt/CDropTarget.m
View File

@ -106,6 +106,7 @@ extern JNFClassInfo jc_CDropTargetContextPeer;
NSFilenamesPboardType,
NSPostScriptPboardType,
NSTIFFPboardType,
NSPasteboardTypePNG,
NSRTFPboardType,
NSTabularTextPboardType,
NSFontPboardType,
@ -119,6 +120,7 @@ extern JNFClassInfo jc_CDropTargetContextPeer;
NSVCardPboardType,
NSFilesPromisePboardType,
[DnDUtilities javaPboardType],
(NSString*)kUTTypeJPEG,
nil];
// Enable dragging events over this object:

61
jdk/src/macosx/native/sun/awt/CImage.m
View File

@ -112,7 +112,7 @@ JNIEXPORT jlong JNICALL Java_sun_lwawt_macosx_CImage_nativeCreateNSImageFromArra
jlong result = 0L;
JNF_COCOA_ENTER(env);
NSBitmapImageRep* imageRep = CImage_CreateImageRep(env, buffer, width, height);
if (imageRep) {
NSImage *nsImage = [[[NSImage alloc] initWithSize:NSMakeSize(width, height)] retain];
@ -422,3 +422,62 @@ JNF_COCOA_EXIT(env);
return jreturnArray;
}
/*
* Class: sun_lwawt_macosx_CImage
* Method: nativeGetPlatformImageBytes
* Signature: ([III)[B
*/
JNIEXPORT jbyteArray JNICALL Java_sun_lwawt_macosx_CImage_nativeGetPlatformImageBytes
(JNIEnv *env, jclass klass, jintArray buffer, jint width, jint height)
{
jbyteArray result = 0L;
JNF_COCOA_ENTER(env);
NSBitmapImageRep* imageRep = [CImage_CreateImageRep(env, buffer, width, height) autorelease];
if (imageRep) {
NSData *tiffImage = [imageRep TIFFRepresentation];
jsize tiffSize = (jsize)[tiffImage length];
result = (*env)->NewByteArray(env, tiffSize);
CHECK_NULL_RETURN(result, nil);
jbyte *tiffData = (jbyte *)(*env)->GetPrimitiveArrayCritical(env, result, 0);
CHECK_NULL_RETURN(tiffData, nil);
[tiffImage getBytes:tiffData];
(*env)->ReleasePrimitiveArrayCritical(env, result, tiffData, 0);
}
JNF_COCOA_EXIT(env);
return result;
}
/*
* Class: sun_lwawt_macosx_CImage
* Method: nativeCreateNSImageFromBytes
* Signature: ([B)J
*/
JNIEXPORT jlong JNICALL Java_sun_lwawt_macosx_CImage_nativeCreateNSImageFromBytes
(JNIEnv *env, jclass klass, jbyteArray sourceData)
{
jlong result = 0L;
CHECK_NULL_RETURN(sourceData, 0L);
JNF_COCOA_ENTER(env);
jsize sourceSize = (*env)->GetArrayLength(env, sourceData);
if (sourceSize == 0) return 0L;
jbyte *sourceBytes = (*env)->GetPrimitiveArrayCritical(env, sourceData, NULL);
CHECK_NULL_RETURN(sourceBytes, 0L);
NSData *rawData = [NSData dataWithBytes:sourceBytes length:sourceSize];
NSImage *newImage = [[NSImage alloc] initWithData:rawData];
(*env)->ReleasePrimitiveArrayCritical(env, sourceData, sourceBytes, JNI_ABORT);
CHECK_NULL_RETURN(newImage, 0L);
result = ptr_to_jlong(newImage);
JNF_COCOA_EXIT(env);
return result;
}

412
jdk/test/java/awt/dnd/ImageTransferTest/ImageTransferTest.java Normal file
View File

@ -0,0 +1,412 @@
/*
* Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
@test
@bug 4397404 4720930
@summary tests that images of all supported native image formats are transfered properly
@library ../../regtesthelpers/process/
@build ProcessResults ProcessCommunicator
@author gas@sparc.spb.su area=Clipboard
@run main ImageTransferTest
*/
import sun.awt.OSInfo;
import sun.awt.SunToolkit;
import test.java.awt.regtesthelpers.process.ProcessCommunicator;
import test.java.awt.regtesthelpers.process.ProcessResults;
import java.awt.*;
import java.awt.datatransfer.DataFlavor;
import java.awt.datatransfer.SystemFlavorMap;
import java.awt.datatransfer.Transferable;
import java.awt.datatransfer.UnsupportedFlavorException;
import java.awt.dnd.DnDConstants;
import java.awt.dnd.DragSource;
import java.awt.dnd.DragSourceAdapter;
import java.awt.dnd.DragSourceDropEvent;
import java.awt.dnd.DragSourceListener;
import java.awt.dnd.DropTarget;
import java.awt.dnd.DropTargetAdapter;
import java.awt.dnd.DropTargetDropEvent;
import java.awt.event.InputEvent;
import java.awt.image.BufferedImage;
import java.awt.image.MemoryImageSource;
import java.util.stream.Stream;
public class ImageTransferTest {
public static void main(String[] arg) throws Exception {
ImageDragSource ids = new ImageDragSource();
ids.frame.setLocation(100, 100);
ids.frame.setVisible(true);
Util.sync();
String classpath = System.getProperty("java.class.path");
String[] args = new String[ids.formats.length + 4];
args[0] = "200";
args[1] = "100";
args[2] = args[3] = "150";
System.arraycopy(ids.formats, 0, args, 4, ids.formats.length);
ProcessResults pres = ProcessCommunicator.executeChildProcess(ImageDropTarget.class, classpath, args);
if (pres.getStdErr() != null && pres.getStdErr().length() > 0) {
System.err.println("========= Child VM System.err ========");
System.err.print(pres.getStdErr());
System.err.println("======================================");
}
if (pres.getStdOut() != null && pres.getStdOut().length() > 0) {
System.err.println("========= Child VM System.out ========");
System.err.print(pres.getStdOut());
System.err.println("======================================");
}
boolean failed = false;
String passedFormats = "";
String failedFormats = "";
for (int i = 0; i < ids.passedArray.length; i++) {
if (ids.passedArray[i]) passedFormats += ids.formats[i] + " ";
else {
failed = true;
failedFormats += ids.formats[i] + " ";
}
}
if (failed) {
throw new RuntimeException("test failed: images in following " +
"native formats are not transferred properly: " + failedFormats);
} else {
System.err.println("images in following " +
"native formats are transferred properly: " + passedFormats);
}
}
}
class Util {
public static void sync() {
((SunToolkit) Toolkit.getDefaultToolkit()).realSync();
try {
Thread.sleep(500);
} catch (InterruptedException e) {
throw new RuntimeException(e);
}
}
}
abstract class ImageTransferer {
Image image;
String[] formats;
int fi; // current format index
Frame frame = new Frame();
ImageTransferer() {
image = createImage();
frame.setSize(100, 100);
}
private static Image createImage() {
int w = 100;
int h = 100;
int[] pix = new int[w * h];
int index = 0;
for (int y = 0; y < h; y++) {
for (int x = 0; x < w; x++) {
int red = 127;
int green = 127;
int blue = y > h / 2 ? 127 : 0;
int alpha = 255;
if (x < w / 4 && y < h / 4) {
alpha = 0;
red = 0;
}
pix[index++] = (alpha << 24) | (red << 16) | (green << 8) | blue;
}
}
return Toolkit.getDefaultToolkit().createImage(new MemoryImageSource(w, h, pix, 0, w));
}
static String[] retrieveFormatsToTest() {
SystemFlavorMap sfm = (SystemFlavorMap) SystemFlavorMap.getDefaultFlavorMap();
java.util.List<String> ln = sfm.getNativesForFlavor(DataFlavor.imageFlavor);
if (OSInfo.OSType.WINDOWS.equals(OSInfo.getOSType()) && !ln.contains("METAFILEPICT")) {
// for test failing on JDK without this fix
ln.add("METAFILEPICT");
}
return ln.toArray(new String[ln.size()]);
}
static void leaveFormat(String format) {
SystemFlavorMap sfm = (SystemFlavorMap) SystemFlavorMap.getDefaultFlavorMap();
sfm.setFlavorsForNative(format, new DataFlavor[]{DataFlavor.imageFlavor});
sfm.setNativesForFlavor(DataFlavor.imageFlavor, new String[]{format});
}
boolean areImagesIdentical(Image im1, Image im2) {
if (formats[fi].equals("JFIF") || formats[fi].equals("image/jpeg") ||
formats[fi].equals("GIF") || formats[fi].equals("image/gif")) {
// JFIF and GIF are lossy formats
return true;
}
int[] ib1 = getImageData(im1);
int[] ib2 = getImageData(im2);
if (ib1.length != ib2.length) {
return false;
}
if (formats[fi].equals("PNG") ||
formats[fi].equals("image/png") ||
formats[fi].equals("image/x-png")) {
// check alpha as well
for (int i = 0; i < ib1.length; i++) {
if (ib1[i] != ib2[i]) {
System.err.println("different pixels: " +
Integer.toHexString(ib1[i]) + " " +
Integer.toHexString(ib2[i]));
return false;
}
}
} else {
for (int i = 0; i < ib1.length; i++) {
if ((ib1[i] & 0x00FFFFFF) != (ib2[i] & 0x00FFFFFF)) {
System.err.println("different pixels: " +
Integer.toHexString(ib1[i]) + " " +
Integer.toHexString(ib2[i]));
return false;
}
}
}
return true;
}
private static int[] getImageData(Image image) {
int width = image.getWidth(null);
int height = image.getHeight(null);
BufferedImage bimage = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
Graphics2D g2d = bimage.createGraphics();
try {
g2d.drawImage(image, 0, 0, width, height, null);
} finally {
g2d.dispose();
}
return bimage.getRGB(0, 0, width, height, null, 0, width);
}
public static int sign(int n) {
return n < 0 ? -1 : n == 0 ? 0 : 1;
}
}
class ImageDragSource extends ImageTransferer {
boolean[] passedArray;
ImageDragSource() {
formats = retrieveFormatsToTest();
passedArray = new boolean[formats.length];
final DragSourceListener dsl = new DragSourceAdapter() {
public void dragDropEnd(DragSourceDropEvent e) {
System.err.println("Drop was successful=" + e.getDropSuccess());
notifyTransferSuccess(e.getDropSuccess());
if (++fi < formats.length) {
leaveFormat(formats[fi]);
}
}
};
new DragSource().createDefaultDragGestureRecognizer(frame,
DnDConstants.ACTION_COPY,
dge -> dge.startDrag(null, new ImageSelection(image), dsl));
leaveFormat(formats[fi]);
}
void notifyTransferSuccess(boolean status) {
passedArray[fi] = status;
}
}
class ImageDropTarget extends ImageTransferer {
private final Robot robot;
private static Point startPoint, endPoint = new Point(250, 150);
ImageDropTarget() throws AWTException {
DropTargetAdapter dropTargetAdapter = new DropTargetAdapter() {
@Override
public void drop(DropTargetDropEvent dtde) {
checkImage(dtde);
startImageDrag();
}
};
new DropTarget(frame, dropTargetAdapter);
robot = new Robot();
}
void checkImage(DropTargetDropEvent dtde) {
final Transferable t = dtde.getTransferable();
if (t.isDataFlavorSupported(DataFlavor.imageFlavor)) {
dtde.acceptDrop(DnDConstants.ACTION_COPY);
Image im;
try {
im = (Image) t.getTransferData(DataFlavor.imageFlavor);
System.err.println("getTransferData was successful");
} catch (Exception e) {
System.err.println("Can't getTransferData: " + e);
dtde.dropComplete(false);
notifyTransferSuccess(false);
return;
}
if (im == null) {
System.err.println("getTransferData returned null");
dtde.dropComplete(false);
notifyTransferSuccess(false);
} else if (areImagesIdentical(image, im)) {
dtde.dropComplete(true);
notifyTransferSuccess(true);
} else {
System.err.println("transferred image is different from initial image");
dtde.dropComplete(false);
notifyTransferSuccess(false);
}
} else {
System.err.println("imageFlavor is not supported by Transferable");
dtde.rejectDrop();
notifyTransferSuccess(false);
}
}
void startImageDrag() {
leaveFormat(formats[fi]);
new Thread(() -> {
try {
Thread.sleep(1000);
} catch (InterruptedException e) {
e.printStackTrace();
// Exit from the child process
System.exit(1);
}
robot.mouseMove(startPoint.x, startPoint.y);
robot.mousePress(InputEvent.BUTTON1_MASK);
for (Point p = new Point(startPoint); !p.equals(endPoint);
p.translate(sign(endPoint.x - p.x), sign(endPoint.y - p.y))) {
robot.mouseMove(p.x, p.y);
try {
Thread.sleep(50);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
robot.mouseRelease(InputEvent.BUTTON1_MASK);
}).start();
}
void notifyTransferSuccess(boolean status) {
if (status) {
System.err.println("format passed: " + formats[fi]);
} else {
System.err.println("format failed: " + formats[fi]);
System.exit(1);
}
if (fi < formats.length - 1) {
leaveFormat(formats[++fi]);
} else {
new Thread(() -> {
try {
Thread.sleep(500);
} catch (InterruptedException e) {
e.printStackTrace();
}
System.exit(0);
}).start();
}
}
public static void main(String[] args) {
try {
ImageDropTarget idt = new ImageDropTarget();
int x = Integer.parseInt(args[0]);
int y = Integer.parseInt(args[1]);
startPoint = new Point(Integer.parseInt(args[2]), Integer.parseInt(args[3]));
idt.formats = new String[args.length - 4];
System.arraycopy(args, 4, idt.formats, 0, args.length - 4);
leaveFormat(idt.formats[0]);
idt.frame.setLocation(x, y);
idt.frame.setVisible(true);
Util.sync();
idt.startImageDrag();
} catch (Throwable e) {
e.printStackTrace();
System.exit(1);
}
}
}
class ImageSelection implements Transferable {
private static final int IMAGE = 0;
private static final DataFlavor[] flavors = {DataFlavor.imageFlavor};
private Image data;
public ImageSelection(Image data) {
this.data = data;
}
@Override
public DataFlavor[] getTransferDataFlavors() {
// returning flavors itself would allow client code to modify
// our internal behavior
return flavors.clone();
}
@Override
public boolean isDataFlavorSupported(DataFlavor flavor) {
return Stream.of(flavor).anyMatch(flavor::equals);
}
@Override
public Object getTransferData(DataFlavor flavor) throws UnsupportedFlavorException {
if (flavor.equals(flavors[IMAGE])) {
return data;
} else {
throw new UnsupportedFlavorException(flavor);
}
}
}