org.eclipse.birt.report.designer.util.FontManager.java Source code

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Here is the source code for org.eclipse.birt.report.designer.util.FontManager.java

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/*******************************************************************************
 * Copyright (c) 2004 Actuate Corporation.
 * 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:
 *  Actuate Corporation  - initial API and implementation
 *******************************************************************************/

package org.eclipse.birt.report.designer.util;

import org.eclipse.jface.resource.JFaceResources;
import org.eclipse.swt.graphics.Font;
import org.eclipse.swt.graphics.FontData;

/**
 * Manages font resouces.
 */

public class FontManager {

    /**
     * This map stores font name - Font pairs, used to quickly lookup a Font of
     * a predefined font.
     */
    public static Font getFont(String family, int size, int style) {
        Font font = null;

        if (size < 0) {
            size = 0;
        }

        String key = family + Integer.toString(size) + Integer.toString(style);
        if (JFaceResources.getFontRegistry().hasValueFor(key)) {
            font = JFaceResources.getFontRegistry().get(key);
        } else {
            JFaceResources.getFontRegistry().put(key, new FontData[] { new FontData(family, size, style) });
            font = JFaceResources.getFontRegistry().get(key);
        }
        return font;
    }

    /**
     * Gets font by FontData, the font will be cached and disposed
     * automatically.
     */
    public static Font getFont(FontData fd) {
        if (fd == null) {
            return null;
        }

        Font font = null;

        String key = fd.toString();

        if (JFaceResources.getFontRegistry().hasValueFor(key)) {
            font = JFaceResources.getFontRegistry().get(key);
        } else {
            JFaceResources.getFontRegistry().put(key, new FontData[] { fd });
            font = JFaceResources.getFontRegistry().get(key);
        }
        return font;
    }

}