/*
 * 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 com.devdungeon.setwindowicon;

import java.awt.Image;
import java.awt.MediaTracker;
import java.awt.Toolkit;
import java.util.ArrayList;
import java.util.List;
import javax.swing.ImageIcon;

/**
 *
 * @author dtron
 */
public class SetWindowIcon extends javax.swing.JFrame {

    /**
     * Creates new form SetWindowIcon
     */
    public SetWindowIcon() {
        initComponents();
        
        // Set a single icon image
//        ImageIcon img = new ImageIcon(getClass().getResource("/devdungeon128x128.png"));
//        this.setIconImage(img.getImage());
        
        // Or load an array of images and let the JVM decide
        loadIcons();
    }

    /**
     * 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() {

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);

        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(SetWindowIcon.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (InstantiationException ex) {
            java.util.logging.Logger.getLogger(SetWindowIcon.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (IllegalAccessException ex) {
            java.util.logging.Logger.getLogger(SetWindowIcon.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (javax.swing.UnsupportedLookAndFeelException ex) {
            java.util.logging.Logger.getLogger(SetWindowIcon.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 SetWindowIcon().setVisible(true);
            }
        });
    }
    
    
    private void loadIcons() {
        List<Image> icons = new ArrayList<>();
        icons.add(loadIcon("/logos/devdungeon16x16.png"));
        icons.add(loadIcon("/logos/devdungeon32x32.png"));
        icons.add(loadIcon("/logos/devdungeon48x48.png"));
        icons.add(loadIcon("/logos/devdungeon64x64.png"));
        icons.add(loadIcon("/logos/devdungeon128x128.png"));
        icons.add(loadIcon("/logos/devdungeon256x256.png"));
        setIconImages(icons);
    }

    private Image loadIcon(String name) {
        Image icon = Toolkit.getDefaultToolkit().getImage(getClass().getResource(name));
        MediaTracker mediaTracker = new MediaTracker(this);
        mediaTracker.addImage(icon, 0);
        try {
            mediaTracker.waitForID(0);
            return icon;
        } catch (Exception e1) {
            e1.printStackTrace();
        }
        return null;
    }

    // Variables declaration - do not modify//GEN-BEGIN:variables
    // End of variables declaration//GEN-END:variables
}
