LaTeXAtom.java

/* LaTeXAtom.java
 * =========================================================================
 * This file is part of the JLaTeXMath Library - http://forge.scilab.org/jlatexmath
 *
 * Copyright (C) 2009 DENIZET Calixte
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or (at
 * your option) any later version.
 *
 * This program 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 for more details.
 *
 * A copy of the GNU General Public License can be found in the file
 * LICENSE.txt provided with the source distribution of this program (see
 * the META-INF directory in the source jar). This license can also be
 * found on the GNU website at http://www.gnu.org/licenses/gpl.html.
 *
 * If you did not receive a copy of the GNU General Public License along
 * with this program, contact the lead developer, or write to the Free
 * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 * 02110-1301, USA.
 *
 * Linking this library statically or dynamically with other modules
 * is making a combined work based on this library. Thus, the terms
 * and conditions of the GNU General Public License cover the whole
 * combination.
 *
 * As a special exception, the copyright holders of this library give you
 * permission to link this library with independent modules to produce
 * an executable, regardless of the license terms of these independent
 * modules, and to copy and distribute the resulting executable under terms
 * of your choice, provided that you also meet, for each linked independent
 * module, the terms and conditions of the license of that module.
 * An independent module is a module which is not derived from or based
 * on this library. If you modify this library, you may extend this exception
 * to your version of the library, but you are not obliged to do so.
 * If you do not wish to do so, delete this exception statement from your
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 *
 */

package org.scilab.forge.jlatexmath;

/**
 * An atom representing whitespace. The dimension values can be set using different
 * unit types.
 */
public class LaTeXAtom extends Atom {

    public LaTeXAtom() {
    }

    public Box createBox(TeXEnvironment env) {
        env = env.copy(env.getTeXFont().copy());
        env.getTeXFont().setRoman(true);
        float sc = env.getTeXFont().getScaleFactor();

        RowAtom rat = (RowAtom)((RomanAtom)new TeXFormula("\\mathrm{XETL}").root).base;

        HorizontalBox hb = new HorizontalBox(rat.getLastAtom().createBox(env));
        hb.add(new SpaceAtom(TeXConstants.UNIT_EM, -0.35f * sc, 0, 0).createBox(env));
        float f = new SpaceAtom(TeXConstants.UNIT_EX, 0.45f * sc, 0, 0).createBox(env).getWidth();
        float f1 = new SpaceAtom(TeXConstants.UNIT_EX, 0.5f * sc, 0, 0).createBox(env).getWidth();
        CharBox A = new CharBox(env.getTeXFont().getChar('A', "mathnormal", env.supStyle().getStyle()));
        A.setShift(-f);
        hb.add(A);
        hb.add(new SpaceAtom(TeXConstants.UNIT_EM, -0.15f * sc, 0, 0).createBox(env));
        hb.add(rat.getLastAtom().createBox(env));
        hb.add(new SpaceAtom(TeXConstants.UNIT_EM, -0.15f * sc, 0, 0).createBox(env));
        Box E = rat.getLastAtom().createBox(env);
        E.setShift(f1);
        hb.add(E);
        hb.add(new SpaceAtom(TeXConstants.UNIT_EM, -0.15f * sc, 0, 0).createBox(env));
        hb.add(rat.getLastAtom().createBox(env));
        return hb;
    }
}