Edit C:\Program Files\Java\jdk1.8.0_121\com\sun\glass\ui\lens\LensCursor.java

/*
 * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
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 *
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 */

package com.sun.glass.ui.lens;

import java.nio.Buffer;
import java.nio.ByteBuffer;
import java.nio.IntBuffer;
import com.sun.glass.ui.Cursor;
import com.sun.glass.ui.Pixels;
import com.sun.glass.ui.Size;
import com.sun.glass.ui.Application;

final class LensCursor extends Cursor {

// LensCursor doesn't use ptr from superclass
    private long ptr = 0;

protected LensCursor(int type) {
        super(type);

if (type != CURSOR_NONE) {
            ptr = _createNativeCursorByType(type);
        }
    }

protected LensCursor(int x, int y, Pixels pixels) {
        super(x, y, pixels);
        ptr = getNativeCursor();
    }

protected void finalize() throws Throwable {
        try {
            if (ptr != 0) {
                _releaseNativeCursor(ptr);
            }
        } finally {
            super.finalize();
        }
    }

@Override
    protected long _createCursor(int x, int y, Pixels pixels) {

long res = 0;
        Buffer data = pixels.getPixels();
        int width = pixels.getWidth();
        int height = pixels.getHeight();

if (data != null) {
            if (!data.isDirect()) {
                if (pixels.getBytesPerComponent() == 4) {
                    IntBuffer ints = (IntBuffer)(data.rewind());
                    int[] intArray = ints.array();
                    res =  _createNativeCursorInts(x, y, intArray, width, height);
                } else if (pixels.getBytesPerComponent() == 1) {
                    ByteBuffer bytes = (ByteBuffer)(data.rewind());
                    byte[] byteArray = bytes.array();
                    res =  _createNativeCursorBytes(x, y, byteArray, width, height);
                }
            } else {
                data.rewind();
                res =  _createNativeCursorDirect(x, y, data, data.capacity(), width , height);

}
        }
        return res;
    }

void set() {
        if (ptr != 0) {
            _setNativeCursor(ptr);
        }

int type = getType();
        if (type == CURSOR_NONE) {
            // CURSOR_NONE is mapped to setVisible(false) and will be registered
            // in LensApplication as a user preference to not show the cursor.
            ((LensApplication)Application.GetApplication()).staticCursor_setVisible(false);
        } else {
            ((LensApplication)Application.GetApplication()).staticCursor_setVisible(true);
        }
    }

static  void setVisible_impl(boolean visible) {
        _setVisible(visible);
    }

static Size getBestSize_impl(int width, int height) {
        return new Size(16, 16);
    }

native private void _setNativeCursor(long ptr);
    native private void _releaseNativeCursor(long ptr);

native private long _createNativeCursorByType(int type);

native private long _createNativeCursorInts(int x, int y, int[] array, int width, int height);
    native private long _createNativeCursorBytes(int x, int y, byte[] array, int width, int height);
    native private long _createNativeCursorDirect(int x, int y, Buffer array, int capacity, int width, int height);

native static private void _setVisible(boolean isVisible);
}

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