/*
* Copyright (C) 2011 Alasdair C. Hamilton
*
* 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 3 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.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>
*/
package ket.math.purpose.function;
import java.awt.*;
import java.util.*;
import ket.display.*;
import ket.display.box.Box;
import ket.display.box.BoxGraphic;
import ket.display.box.BoxTools;
import ket.math.*;
public class FunctionSqrt extends FunctionForm {
@Override
public String toLatex(Vector<Argument> args) {
if (args.size()==1) {
return "\\sqrt{" + args.get(0).toLatex() + "}";
} else {
return super.toLatex(args);
}
}
@Override
public Box toBox(Argument argument, Vector<Box> boxArgs, long settings, ColourScheme colourScheme) {
switch (boxArgs.size()) {
case 0:
case 1:
BoxGraphic horizontalBar = new BoxGraphic(argument, 0L, BoxGraphic.HORIZONTAL_LINE);
boxArgs.add(0, horizontalBar);
Box argsAndOverbar = BoxTools.centredVerticalBoxList(argument, 0L, boxArgs);
BoxGraphic radical = new BoxGraphic(argument, 0L, BoxGraphic.RADICAL);
Box sqrtBox = BoxTools.centredHorizontalBoxList(argument, 0L, radical, argsAndOverbar);
radical.setProperty(Box.HORIZONTAL_STRETCH);
radical.setProperty(Box.TOP_ALIGN);
radical.setProperty(Box.PRESERVE_ASPECT_RATIO);
horizontalBar.setProperty(Box.HORIZONTAL_STRETCH);
sqrtBox.setProperty(settings);
return sqrtBox;
default:
return super.toBox(argument, boxArgs, settings, colourScheme);
}
}
}