Application: gvSIG desktop » Library: org.gvsig.tools

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package org.gvsig.euclidean;

import java.awt.geom.Point2D;

/**

 *

 * @author fdiaz

 */

public class DefaultEuclideanManager implements EuclideanManager{

    @Override

    public EuclideanLine2D createLine2D(double coefA, double coefB, double coefC) {

        return new EuclideanLine2DImpl(coefA, coefB, coefC);

    }

    @Override

    public EuclideanLine2D createLine2D(double m, double b) {

        return new EuclideanLine2DImpl(m, b);

    }

    @Override

    public EuclideanLine2D createLine2D(double x0, double y0, double x1, double y1) {

        return new EuclideanLine2DImpl(x0, y0, x1, y1);

    }

    @Override

    public EuclideanLine2D createLine2D(Point2D p1, Point2D p2) {

        return new EuclideanLine2DImpl(p2, p1);

    }

    @Override

    public EuclideanLine2D createLine2D(double m, Point2D p) {

        if(Double.isInfinite(m)){

            return new EuclideanLine2DImpl(1, 0, -p.getX());

        }

        return new EuclideanLine2DImpl(m, getYIntercept(m, p));

    }

    @Override

    public double getYIntercept(double m, Point2D p) {

        return getYIntercept(m, p.getX(), p.getY());

    }

    @Override

    public double getYIntercept(double m, double x, double y) {

        return -m*x+y;

    }

}