JSci.awt.PieChart Maven / Gradle / Ivy

package JSci.awt;

import java.awt.*;

/**
* A pie chart AWT component.
* @version 1.2
* @author Mark Hale
*/
public class PieChart extends CategoryGraph2D {
        /**
        * Total value of pie.
        */
        private float pieTotal;
        /**
        * Slice colors.
        */
        protected Color sliceColor[]={Color.blue,Color.green,Color.red,Color.yellow,Color.cyan,Color.lightGray,Color.magenta,Color.orange,Color.pink};
        /**
        * Constructs a pie chart.
        */
        public PieChart(CategoryGraph2DModel cgm) {
                super(cgm);
                dataChanged(new GraphDataEvent(model));
        }
        /**
        * Implementation of GraphDataListener.
        * Application code will not use this method explicitly, it is used internally.
        */
        public void dataChanged(GraphDataEvent e) {
                model.firstSeries();
                final int len=model.seriesLength();
                pieTotal=0.0f;
                for(int i=0;isliceColor.length) {
                        Color tmp[]=sliceColor;
                        sliceColor=new Color[len];
                        System.arraycopy(tmp,0,sliceColor,0,tmp.length);
                        for(int i=tmp.length;i 0) {
                        for(int i=0; i