/* VlineAtom.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
* version.
*
*/
package com.himamis.retex.renderer.share;
/**
* An atom representing a hline in array environment
*/
public class VlineAtom extends Atom {
private double height;
private double shift;
private int n;
@Override
final public Atom duplicate() {
return setFields(new VlineAtom(height, shift, n));
}
public VlineAtom(int n) {
this.n = n;
}
private VlineAtom(double height, double shift, int n) {
this.height = height;
this.shift = shift;
this.n = n;
}
public void setHeight(double height) {
this.height = height;
}
public void setShift(double shift) {
this.shift = shift;
}
public double getWidth(TeXEnvironment env) {
if (n != 0) {
double drt = env.getTeXFont().getDefaultRuleThickness(env.getStyle());
return drt * (3 * n - 2);
}
return 0;
}
@Override
public Box createBox(TeXEnvironment env) {
if (n != 0) {
double drt = env.getTeXFont().getDefaultRuleThickness(env.getStyle());
Box b = new HorizontalRule(height, drt, shift);
Box sep = new StrutBox(2 * drt, 0, 0, 0);
HorizontalBox hb = new HorizontalBox();
for (int i = 0; i < n - 1; i++) {
hb.add(b);
hb.add(sep);
}
if (n > 0) {
hb.add(b);
}
return hb;
}
return new StrutBox(0, 0, 0, 0);
}
}