com.metsci.glimpse.swt.misc.CursorUtil Maven / Gradle / Ivy

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/*
 * Copyright (c) 2016, Metron, Inc.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of Metron, Inc. nor the
 *       names of its contributors may be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL METRON, INC. BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package com.metsci.glimpse.swt.misc;

import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.graphics.Cursor;
import org.eclipse.swt.graphics.ImageData;
import org.eclipse.swt.graphics.PaletteData;
import org.eclipse.swt.graphics.RGB;
import org.eclipse.swt.widgets.Display;

public class CursorUtil
{
    public static final Cursor crosshairs( Display display )
    {
        return new Cursor( display, SWT.CURSOR_CROSS );
    }

    public static final Cursor sizewe( Display display )
    {
        return new Cursor( display, SWT.CURSOR_SIZEWE );
    }

    public static final Cursor loadCursor( Display display, String path )
    {
        ImageData image = new ImageData( path );
        return new Cursor( display, image, 0, 0 );
    }

    public static final Cursor blank( Display display )
    {
        Color white = display.getSystemColor( SWT.COLOR_WHITE );
        Color black = display.getSystemColor( SWT.COLOR_BLACK );
        PaletteData palette = new PaletteData( new RGB[] { white.getRGB( ), black.getRGB( ) } );
        ImageData sourceData = new ImageData( 16, 16, 1, palette );
        sourceData.transparentPixel = 0;
        return new Cursor( display, sourceData, 0, 0 );
    }
}