package rep;

import org.jfree.chart.axis.ValueAxis;
import org.jfree.chart.plot.XYPlot;
import org.jfree.chart.axis.Axis;
import java.awt.BasicStroke;
import extended by org.jfree.chart.renderer.category.LineAndShapeRenderer

public class Custom1 implements net.sf.jasperreports.engine.JRChartCustomizer{
	public void customize(org.jfree.chart.JFreeChart chart, net.sf.jasperreports.engine.JRChart jasperChart){


			XYPlot p = chart.getXYPlot();
			ValueAxis a = null;
			double diferencia;
			double minimo;
			double maximo;
			float f ;

			f= 0.1000f;


			a = p.getDomainAxis();//El eje de las X
			minimo = a.getLowerBound();
			maximo = a.getUpperBound();

jfree.chart.renderer.XYDotRenderer renderer = new jfree.chart.renderer.XYDotRenderer();
java.awt.Polygon poly = new java.awt.Polygon();
. . .
// Make a triangle
poly.add(100, 100);
poly.add(150, 150);
poly.add(50,  150);

renderer.setShape(poly);
p.setRenderer( renderer );
			if(minimo<1) { minimo=a.getLowerBound()*-1;}

			if(maximo<1) {maximo=a.getUpperBound()*-1;}
			diferencia=maximo-minimo;


			if( diferencia <1 ){

				a.resizeRange(80.0);//80 veces m'as amplio
				p.setDomainAxis( a );

				a = p.getRangeAxis();//el eje de las Y
				a.resizeRange(1.0);//se queda igual

			//	a.setFixedDimension(400);

				p.setRangeAxis( a );


				System.out.println( p.getDomainCrosshairStroke());