NekoCM Util - Printer

>> Wednesday, April 28, 2010

This is a little utility I'm working on. It's still under development. Basically is a simple way to print something using Java.
Normally to print something you will need to use the Print API, which is pretty annoying, so i googled and found this tutorial, it worked very good! For simple purposes is the easiest way by far.
I used it and by using it I realised I could make an API with the simple stuff I was doing, I planned on improving it later, and that would be some work because you would normally want to do that when using that tutorial source code, so I decided to do that, the result is very nice! It really helped me.
Right now the first NekoCM Util class is about printing, under the package com.blogspot.nekocm.util.print.
The idea behind that is basically make a print preview window, in the window there is a JPanel in which you draw what the page (Currently only A4 size) is gonna look like. And that's it! No worries about anything else, here is the example code.

import javax.swing.*;

import com.blogspot.nekocm.util.print.PreviewPrint;

import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

public class PrintExample extends JFrame {
 public PrintExample() {
  this.setTitle("NekoCM - Print example");
  this.setSize(new Dimension(300, 200));
  this.setLayout(new FlowLayout());

  JButton btn_print = new JButton("Print");
  btn_print.addActionListener(new ActionListener() {
   public void actionPerformed(ActionEvent arg0) {
    new PreviewPrint(new PrintExamplePanel());


 public static void main(String[] args) {
  try {
  } catch (Exception e) {
   // best to do nothing here
  new PrintExample();

import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics2D;

import com.blogspot.nekocm.util.print.PreviewPanel;

public class PrintExamplePanel extends PreviewPanel {

 public PrintExamplePanel() {

 public void paint(Graphics2D g) {
  Graphics2D g2d = (Graphics2D) g;
  g2d.fillRect(0, 0, this.getWidth(), this.getHeight());
  g2d.setFont(new Font("Arial", Font.PLAIN, 20));
  this.writeAligned(20, "center", "Neko CM", g2d);
  g2d.setFont(new Font("Arial", Font.PLAIN, 11));
  this.writeAligned(-1, "left", "\nThis is an example\n"
    + "of NekoCM Print lib", g2d);
  this.writeAligned(-1, "right", "Enjoy~", g2d);
  this.writeAligned(-1, "center", "\n\n", g2d);



That will produce something like this

You can now download the Eclipse example project or just download the api.
Hope you find this useful! I will update this as soon as I improve it, although right now I'm more into BIP (which is also improving by the way ;))

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