/*******************************************************************************
* 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
* Frank Appel - replaced singletons and static fields (Bug 337787)
******************************************************************************/
package org.eclipse.swt.internal.graphics;
import org.eclipse.rap.rwt.internal.util.SharedInstanceBuffer;
import org.eclipse.rap.rwt.internal.util.SharedInstanceBuffer.InstanceCreator;
import org.eclipse.swt.graphics.FontData;
public class FontDataFactory {
private final SharedInstanceBuffer<FontData, FontData> cache;
private final InstanceCreator<FontData, FontData> instanceCreator;
public FontDataFactory() {
cache = new SharedInstanceBuffer<FontData, FontData>();
instanceCreator = new InstanceCreator<FontData, FontData>() {
public FontData createInstance( FontData fontData ) {
return cloneFontData( fontData );
}
};
}
public FontData findFontData( FontData fontData ) {
return cache.get( fontData, instanceCreator );
}
private static FontData cloneFontData( FontData fontData ) {
String name = fontData.getName();
int height = fontData.getHeight();
int style = fontData.getStyle();
return new FontData( name, height, style );
}
}