Main.java Source code

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//package com.java2s;
/*
 * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

import java.awt.font.*;

public class Main {
    private static boolean isFontRenderContextPrintCompatible(FontRenderContext frc1, FontRenderContext frc2) {

        if (frc1 == frc2) {
            return true;
        }

        if (frc1 == null || frc2 == null) { // not supposed to happen
            return false;
        }

        if (frc1.getFractionalMetricsHint() != frc2.getFractionalMetricsHint()) {
            return false;
        }

        /* If both are identity, return true */
        if (!frc1.isTransformed() && !frc2.isTransformed()) {
            return true;
        }

        /* That's the end of the cheap tests, need to get and compare
         * the transform matrices. We don't care about the translation
         * components, so return true if they are otherwise identical.
         */
        double[] mat1 = new double[4];
        double[] mat2 = new double[4];
        frc1.getTransform().getMatrix(mat1);
        frc2.getTransform().getMatrix(mat2);
        return mat1[0] == mat2[0] && mat1[1] == mat2[1] && mat1[2] == mat2[2] && mat1[3] == mat2[3];
    }
}