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The osx x86_64 swt jar as available in the Eclipse 4.6 (Neon) release for OSX. It is suitable for use with jface and other dependencies available from maven central in the org.eclipse.scout.sdk.deps group. The sources is copied from swt-4.6-cocoa-macosx-x86_64.zip from http://download.eclipse.org/eclipse/downloads/drops4/R-4.6-201606061100/ and javadoc is generated from sources.
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/*******************************************************************************
* Copyright (c) 2007, 2008 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
* Outhink - support for typeFileURL
*******************************************************************************/
package org.eclipse.swt.dnd;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.*;
import org.eclipse.swt.internal.cocoa.*;
import org.eclipse.swt.widgets.*;
/**
* The class ImageTransfer
provides a platform specific mechanism
* for converting an Image represented as a java ImageData
to a
* platform specific representation of the data and vice versa.
*
* An example of a java ImageData
is shown below:
*
*
* Image image = new Image(display, "C:\temp\img1.gif");
* ImageData imgData = image.getImageData();
*
*
* @see Transfer
*
* @since 3.4
*/
public class ImageTransfer extends ByteArrayTransfer {
static ImageTransfer _instance = new ImageTransfer();
static final String TIFF = OS.NSTIFFPboardType.getString();
static final int TIFFID = registerType(TIFF);
ImageTransfer() {
}
/**
* Returns the singleton instance of the ImageTransfer class.
*
* @return the singleton instance of the ImageTransfer class
*/
public static ImageTransfer getInstance() {
return _instance;
}
/**
* This implementation of javaToNative
converts an ImageData object represented
* by java ImageData
to a platform specific representation.
*
* @param object a java ImageData
containing the ImageData to be converted
* @param transferData an empty TransferData
object that will
* be filled in on return with the platform specific format of the data
*
* @see Transfer#nativeToJava
*/
@Override
public void javaToNative(Object object, TransferData transferData) {
if (!checkImage(object) || !isSupportedType(transferData)) {
DND.error(DND.ERROR_INVALID_DATA);
}
ImageData imgData = (ImageData) object;
Image image = new Image(Display.getCurrent(), imgData);
NSImage handle = image.handle;
transferData.data = handle.TIFFRepresentation();
image.dispose();
}
/**
* This implementation of nativeToJava
converts a platform specific
* representation of an image to java ImageData
.
*
* @param transferData the platform specific representation of the data to be converted
* @return a java ImageData
of the image if the conversion was successful;
* otherwise null
*
* @see Transfer#javaToNative
*/
@Override
public Object nativeToJava(TransferData transferData) {
if (!isSupportedType(transferData) || transferData.data == null) return null;
NSData data = (NSData) transferData.data;
if (data.length() == 0) return null;
NSImage nsImage = (NSImage) new NSImage().alloc();
nsImage.initWithData(data);
NSSize size = nsImage.size();
NSImageRep rep = nsImage.bestRepresentationForDevice(null);
if (size.width != rep.pixelsWide() || size.height != rep.pixelsHigh()) {
size.width /= (rep.pixelsWide() / size.width);
size.height /= (rep.pixelsHigh() / size.height);
NSImage newImage = ((NSImage)new NSImage().alloc()).initWithSize(size);
newImage.lockFocus();
NSRect rect = new NSRect();
rect.width = size.width;
rect.height = size.height;
nsImage.drawInRect(rect, new NSRect(), OS.NSCompositeCopy, 1);
newImage.unlockFocus();
nsImage.release();
nsImage = newImage;
}
//TODO: Image representation wrong???
Image image = Image.cocoa_new(Display.getCurrent(), SWT.BITMAP, nsImage);
ImageData imageData = image.getImageData();
image.dispose();
return imageData;
}
@Override
protected int[] getTypeIds() {
return new int[] { TIFFID };
}
@Override
protected String[] getTypeNames() {
return new String[] { TIFF };
}
boolean checkImage(Object object) {
if (object == null || !(object instanceof ImageData)) return false;
return true;
}
@Override
protected boolean validate(Object object) {
return checkImage(object);
}
}
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