Instances of this class provide measurement information about fonts including ascent, descent, height, leading space between rows, and average character width. <code>FontMetrics</code> are obtained from <code>GC</code>s using the <code>getFontMetrics()</code> method.
Copyright (c) 2000, 2008 IBM Corporation 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: IBM Corporation - initial API and implementation Port to the D programming language: Frank Benoit <benoit@tionex.de>