cglabsample.ui.HistogramWindow.java Source code

Introduction

Here is the source code for cglabsample.ui.HistogramWindow.java

Source

/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package cglabsample.ui;

import Catalano.Imaging.FastBitmap;
import Catalano.Imaging.Tools.ImageStatistics;
import Catalano.Statistics.Histogram;
import cglabsample.ISubscriber;
import java.awt.Dimension;
import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.data.category.DefaultCategoryDataset;

/**
 *
 * @author Jackson
 */
public class HistogramWindow extends javax.swing.JFrame implements ISubscriber {

    private MainWindow mainWindow;
    private FastBitmap image;

    /**
     * Creates new form HistogramWindow
     */
    public HistogramWindow() {
        initComponents();

        //validate();
    }

    public HistogramWindow(MainWindow parent) {
        this.mainWindow = parent;
        update();
    }

    /**
     * This method is called from within the constructor to initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is always
     * regenerated by the Form Editor.
     */
    @SuppressWarnings("unchecked")
    // <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
    private void initComponents() {

        setType(java.awt.Window.Type.POPUP);

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING).addGap(0,
                400, Short.MAX_VALUE));
        layout.setVerticalGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING).addGap(0, 300,
                Short.MAX_VALUE));

        pack();
    }// </editor-fold>//GEN-END:initComponents

    /**
     * @param args the command line arguments
     */
    public static void main(String args[]) {
        /* Set the Nimbus look and feel */
        //<editor-fold defaultstate="collapsed" desc=" Look and feel setting code (optional) ">
        /* If Nimbus (introduced in Java SE 6) is not available, stay with the default look and feel.
         * For details see http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html 
         */
        try {
            for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) {
                if ("Nimbus".equals(info.getName())) {
                    javax.swing.UIManager.setLookAndFeel(info.getClassName());
                    break;
                }
            }
        } catch (ClassNotFoundException ex) {
            java.util.logging.Logger.getLogger(HistogramWindow.class.getName()).log(java.util.logging.Level.SEVERE,
                    null, ex);
        } catch (InstantiationException ex) {
            java.util.logging.Logger.getLogger(HistogramWindow.class.getName()).log(java.util.logging.Level.SEVERE,
                    null, ex);
        } catch (IllegalAccessException ex) {
            java.util.logging.Logger.getLogger(HistogramWindow.class.getName()).log(java.util.logging.Level.SEVERE,
                    null, ex);
        } catch (javax.swing.UnsupportedLookAndFeelException ex) {
            java.util.logging.Logger.getLogger(HistogramWindow.class.getName()).log(java.util.logging.Level.SEVERE,
                    null, ex);
        }
        //</editor-fold>

        /* Create and display the form */
        java.awt.EventQueue.invokeLater(new Runnable() {
            public void run() {
                new HistogramWindow().setVisible(true);
            }
        });
    }

    // Variables declaration - do not modify//GEN-BEGIN:variables
    // End of variables declaration//GEN-END:variables
    @Override
    public void update() {
        this.image = this.mainWindow.getImage();
        updateHistogram();
        repaint();
        this.revalidate();
    }

    private void updateHistogram() {
        if (!image.isGrayscale()) {
            image.toGrayscale();
        }
        ImageStatistics is = new ImageStatistics(image);
        Histogram h = is.getHistogramGray();
        double[] hvalues = new double[256];
        int[] hivalues = h.getValues();
        for (int i = 0; i < hivalues.length; i++) {
            hvalues[i] = (double) hivalues[i];
        }

        //        HistogramDataset dataset = new HistogramDataset();
        //        dataset.setType(HistogramType.FREQUENCY);
        //        dataset.addSeries("Histograma", hvalues, 256);
        //        String plotTitle = "Histograma";
        //        String xaxis = "intensidade";
        //        String yaxis = "frequencia";
        //        PlotOrientation orientation = PlotOrientation.VERTICAL;
        //        boolean show = false;
        //        boolean toolTips = false;
        //        boolean urls = false;
        //        JFreeChart chart = ChartFactory.createHistogram(plotTitle, xaxis, yaxis,
        //                dataset, orientation, show, toolTips, urls);
        //        ChartPanel cp = new ChartPanel(chart);
        //        setContentPane(cp);        

        DefaultCategoryDataset dataset = new DefaultCategoryDataset();

        for (int i = 0; i < 256; i++) {
            dataset.addValue(hvalues[i], "Histograma", "Histograma" + i);
        }

        String plotTitle = "Histograma";
        String xaxis = "intensidade";
        String yaxis = "frequencia";
        PlotOrientation orientation = PlotOrientation.VERTICAL;
        boolean show = false;
        boolean toolTips = false;
        boolean urls = false;
        JFreeChart chart = ChartFactory.createBarChart(plotTitle, xaxis, yaxis, dataset, orientation, show,
                toolTips, urls);
        ChartPanel cp = new ChartPanel(chart);
        cp.setPreferredSize(new Dimension(500, 270));
        setContentPane(cp);
    }
}