/*******************************************************************************
* Copyright (c) 2011, 2015 EclipseSource 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:
* EclipseSource - initial API and implementation
******************************************************************************/
package org.eclipse.swt.internal.graphics;
import org.eclipse.swt.SWT;
public class ColorUtil {
public static int computeColorNr( int red, int green, int blue, int alpha ) {
if( red > 255 || red < 0
|| green > 255 || green < 0
|| blue > 255 || blue < 0
|| alpha > 255 || alpha < 0 )
{
SWT.error( SWT.ERROR_INVALID_ARGUMENT );
}
return red | green << 8 | blue << 16 | alpha << 24;
}
private ColorUtil() {
// prevent instantiation
}
}