LSquaredShape.java

/*
 * This file is part of LaTeXDraw.
 * Copyright (c) 2005-2017 Arnaud BLOUIN
 * LaTeXDraw 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.
 * LaTeXDraw is distributed 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.
 */
package net.sf.latexdraw.models.impl;

import java.awt.geom.Rectangle2D;
import net.sf.latexdraw.models.MathUtils;
import net.sf.latexdraw.models.ShapeFactory;
import net.sf.latexdraw.models.interfaces.shape.IPoint;
import net.sf.latexdraw.models.interfaces.shape.ISquaredShape;
import net.sf.latexdraw.models.interfaces.shape.Position;

/**
 * A model of a squared shape.
 * @author Arnaud Blouin
 */
abstract class LSquaredShape extends LPositionShape implements ISquaredShape {

	LSquaredShape(final IPoint tl, final double width) {
		super(tl);

		if(!(MathUtils.INST.isValidPt(tl) && width > 0 && MathUtils.INST.isValidCoord(width))) throw new IllegalArgumentException();

		points.add(ShapeFactory.INST.createPoint(tl));
		points.add(ShapeFactory.INST.createPoint(tl));
		points.add(ShapeFactory.INST.createPoint(tl));
		setWidth(width);
	}

	@Override
	public void scale(final double prevWidth, final double prevHeight, final Position pos, final Rectangle2D bound) {
		if(bound != null && pos != null) {
			scaleSetPointsWithRatio(points, prevWidth, prevHeight, pos, bound);
		}
	}

	@Override
	public void setWidth(final double width) {
		if(MathUtils.INST.isValidCoord(width) && width > 0) {
			final IPoint pt = points.get(points.size() - 1);
			final double xPos = pt.getX() + width;
			final double yPos = pt.getY() - width;
			points.get(1).setX(xPos);
			points.get(2).setX(xPos);
			points.get(0).setY(yPos);
			points.get(1).setY(yPos);
		}
	}

	@Override
	public double getHeight() {
		return getWidth();
	}

	@Override
	public double getWidth() {
		return points.get(1).getX() - points.get(0).getX();
	}

	@Override
	public boolean isBordersMovable() {
		return true;
	}

	@Override
	public boolean isDbleBorderable() {
		return true;
	}

	@Override
	public boolean isFillable() {
		return true;
	}

	@Override
	public boolean isInteriorStylable() {
		return true;
	}

	@Override
	public boolean isLineStylable() {
		return true;
	}

	@Override
	public boolean isShadowable() {
		return true;
	}

	@Override
	public boolean isThicknessable() {
		return true;
	}
}