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/* PhantomAtom.java
* =========================================================================
* This file is part of the JMathTeX Library - http://jmathtex.sourceforge.net
*
* Copyright (C) 2004-2007 Universiteit Gent
*
* 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.
*
*/
package be.ugent.caagt.jmathtex;
/**
* An atom representing another atom that should be drawn invisibly.
*/
class PhantomAtom extends Atom implements Row {
// RowAtom to be drawn invisibly
private RowAtom elements;
// dimensions to be taken into account
private boolean w = true, h = true, d = true;
public PhantomAtom(Atom el) {
if (el == null)
elements = new RowAtom();
else
elements = new RowAtom(el);
}
public PhantomAtom(Atom el, boolean width, boolean height, boolean depth) {
this(el);
w = width;
h = height;
d = depth;
}
public Box createBox(TeXEnvironment env) {
Box res = elements.createBox(env);
return new StrutBox((w ? res.getWidth() : 0), (h ? res.getHeight() : 0),
(d ? res.getDepth() : 0), res.getShift());
}
public int getLeftType() {
return elements.getLeftType();
}
public int getRightType() {
return elements.getRightType();
}
public void setPreviousAtom(Dummy prev) {
elements.setPreviousAtom(prev);
}
}
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