Application: gvSIG desktop » gvSIG raster

/* gvSIG. Geographic Information System of the Valencian Government

*

* Copyright (C) 2007-2008 Infrastructures and Transports Department

* of the Valencian Government (CIT)

* 

* 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.

* 

* You should have received a copy of the GNU General Public License

* along with this program; if not, write to the Free Software

* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, 

* MA  02110-1301, USA.

* 

*/

package org.gvsig.raster.swing.impl.canvas.layer.function;

import java.awt.Graphics;

import java.util.ArrayList;

import org.gvsig.raster.swing.gcanvas.BaseFunction;

import org.gvsig.raster.swing.gcanvas.DrawableElement;

import org.gvsig.raster.swing.impl.canvas.layer.DefaultMinMaxLines;

/**

 * Todo algoritmo que queramos que implemente un realce, debe heredar de esta base

 * para poder distinguir los drawables genericos de los algoritmos.

 * 

 * @version 03/03/2008

 * @author BorSanZa - Borja S?nchez Zamorano (borja.sanchez@iver.es)

 */

public abstract class DefaultBaseFunction extends DrawableElement implements BaseFunction {

        protected double      minx       = 0.0D;

        protected double      maxx       = 1.0D;

        /**

         * Especifica el limite minimo del algoritmo en forma de porcentaje

         * @param minx

         */

        public void setMinX(double minx) {

                this.minx = minx;

        }

        /**

         * Especifica el limite maximo del algoritmo en forma de porcentaje

         * @param maxx

         */

        public void setMaxX(double maxx) {

                this.maxx = maxx;

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.raster.beans.canvas.DrawableElement#paint(java.awt.Graphics)

         */

        protected void paint(Graphics g) {

                ArrayList<DrawableElement> elements = canvas.getDrawableElements(DefaultMinMaxLines.class);

                if (elements.size() > 0) {

                        DefaultMinMaxLines minMaxLines = (DefaultMinMaxLines) elements.get(0);

                        setMinX(minMaxLines.getMinDistance());

                        setMaxX(minMaxLines.getMaxDistance());

                }

        }

}