/* RotateAtom.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
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*
*/
package com.himamis.retex.renderer.share;
import java.util.Map;
/**
* An atom representing a rotated Atom.
*/
public class RotateAtom extends Atom {
private Atom base;
private double angle;
private int option = -1;
private int xunit, yunit;
private double x, y;
@Override
final public Atom duplicate() {
RotateAtom ret = new RotateAtom();
ret.base = base;
ret.angle = angle;
ret.option = option;
ret.xunit = xunit;
ret.yunit = yunit;
ret.x = x;
ret.y = y;
return setFields(ret);
}
public RotateAtom(Atom base, String angle, String option) {
this.type = base.type;
this.base = base;
this.angle = Double.parseDouble(angle);
this.option = RotateBox.getOrigin(option);
}
public RotateAtom(Atom base, double angle, String option) {
this.type = base.type;
this.base = base;
this.angle = angle;
Map<String, String> map = ParseOption.parseMap(option);
if (map.containsKey("origin")) {
this.option = RotateBox.getOrigin(map.get("origin"));
} else {
if (map.containsKey("x")) {
double[] xinfo = SpaceAtom.getLength(map.get("x"));
this.xunit = (int) xinfo[0];
this.x = xinfo[1];
} else {
this.xunit = TeXConstants.UNIT_POINT;
this.x = 0;
}
if (map.containsKey("y")) {
double[] yinfo = SpaceAtom.getLength(map.get("y"));
this.yunit = (int) yinfo[0];
this.y = yinfo[1];
} else {
this.yunit = TeXConstants.UNIT_POINT;
this.y = 0;
}
}
}
private RotateAtom() {
}
@Override
public Box createBox(TeXEnvironment env) {
if (option != -1) {
return new RotateBox(base.createBox(env), angle, option);
}
return new RotateBox(base.createBox(env), angle,
x * SpaceAtom.getFactor(xunit, env),
y * SpaceAtom.getFactor(yunit, env));
}
}