/* Cancel.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;
import com.himamis.retex.renderer.share.platform.geom.Line2D;
import com.himamis.retex.renderer.share.platform.graphics.BasicStroke;
import com.himamis.retex.renderer.share.platform.graphics.Graphics2DInterface;
import com.himamis.retex.renderer.share.platform.graphics.Stroke;
/**
* adapted from FramedBox
*
* implements \cancel, \bcancel, \xcancel
*
* @author Michael Borcherds
*/
public class Cancel extends Box {
private Box box;
private double thickness;
private double space;
private Line2D diagonalLine;
private Type cancelType;
/**
* type of cancelling
*
*/
enum Type {
/** line bottom-left to top-right */
SLASH,
/** line top-left to bottom-right */
BACKSLASH,
/** two diagonal lines */
CROSS
}
/**
* @param box
* box
* @param thickness
* line thickness
* @param cancelType
* type of cancel
*/
public Cancel(Box box, double thickness, Type cancelType) {
this.box = box;
this.width = box.width;
this.height = box.height;
this.depth = box.depth;
this.shift = box.shift;
this.thickness = thickness;
this.cancelType = cancelType;
diagonalLine = geom.createLine2D();
}
@Override
public void draw(Graphics2DInterface g2, double x, double y) {
box.draw(g2, x + space + thickness, y);
Stroke st = g2.getStroke();
g2.setStroke(graphics.createBasicStroke(0.1, BasicStroke.CAP_BUTT,
BasicStroke.JOIN_MITER));
double th = thickness / 2;
if (cancelType == Type.BACKSLASH || cancelType == Type.CROSS) {
diagonalLine.setLine(x + th, y - height + th,
x + th + width - thickness,
y - height + th + height + depth - thickness);
g2.draw(diagonalLine);
}
if (cancelType == Type.SLASH || cancelType == Type.CROSS) {
diagonalLine.setLine(x + th,
y - height + th + height + depth - thickness,
x + th + width - thickness, y - height + th);
g2.draw(diagonalLine);
}
g2.setStroke(st);
}
@Override
public int getLastFontId() {
return box.getLastFontId();
}
}