Book : Print « 2D Graphics GUI « Java


import java.awt.Color;
import java.awt.Component;
import java.awt.Font;
import java.awt.GradientPaint;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Paint;
import java.awt.font.FontRenderContext;
import java.awt.font.LineMetrics;
import java.awt.geom.Rectangle2D;
import java.awt.print.Book;
import java.awt.print.PageFormat;
import java.awt.print.Printable;
import java.awt.print.PrinterException;
import java.awt.print.PrinterJob;

import javax.swing.JComponent;

public class Booker {
  public static void main(String[] args) {
    PrinterJob pj = PrinterJob.getPrinterJob();
    // Create two Printables.
    Component c1 = new PatchworkComponent("Printable 1");
    Component c2 = new PatchworkComponent("Printable 2");
    c1.setSize(500, 400);
    c2.setSize(500, 400);
    BookComponentPrintable printable1 = new BookComponentPrintable(c1);
    BookComponentPrintable printable2 = new BookComponentPrintable(c2);
    // Create two PageFormats.
    PageFormat pageFormat1 = pj.defaultPage();
    PageFormat pageFormat2 = (PageFormat) pageFormat1.clone();
    // Create a Book.
    Book book = new Book();
    book.append(printable1, pageFormat1);
    book.append(printable2, pageFormat2);
    // Print the Book.
    if (pj.printDialog()) {
      try {
      } catch (PrinterException e) {
class PatchworkComponent extends JComponent implements Printable {

  private float mSide = 36;

  private float mOffset = 36;

  private int mColumns = 8;

  private int mRows = 4;

  private String mString = "Java Source and Support";

  private Font mFont = new Font("Serif", Font.PLAIN, 64);

  private Paint mHorizontalGradient, mVerticalGradient;

  public PatchworkComponent() {
    float x = mOffset;
    float y = mOffset;
    float halfSide = mSide / 2;
    float x0 = x + halfSide;
    float y0 = y;
    float x1 = x + halfSide;
    float y1 = y + (mRows * mSide);
    mVerticalGradient = new GradientPaint(x0, y0, Color.darkGray, x1, y1,
        Color.lightGray, true);
    x0 = x;
    y0 = y + halfSide;
    x1 = x + (mColumns * mSide);
    y1 = y + halfSide;
    mHorizontalGradient = new GradientPaint(x0, y0, Color.darkGray, x1, y1,
        Color.lightGray, true);

  public PatchworkComponent(String s) {
    mString = s;

  public void paintComponent(Graphics g) {
    Graphics2D g2 = (Graphics2D) g;

    g2.rotate(Math.PI / 24, mOffset, mOffset);

    for (int row = 0; row < mRows; row++) {
      for (int column = 0; column < mColumns; column++) {
        float x = column * mSide + mOffset;
        float y = row * mSide + mOffset;

        if (((column + row) % 2) == 0)

        Rectangle2D r = new Rectangle2D.Float(x, y, mSide, mSide);

    FontRenderContext frc = g2.getFontRenderContext();
    float width = (float) mFont.getStringBounds(mString, frc).getWidth();
    LineMetrics lm = mFont.getLineMetrics(mString, frc);
    float x = ((mColumns * mSide) - width) / 2 + mOffset;
    float y = ((mRows * mSide) + lm.getAscent()) / 2 + mOffset;
    g2.drawString(mString, x, y);

  public int print(Graphics g, PageFormat pageFormat, int pageIndex) {
    if (pageIndex != 0)
      return NO_SUCH_PAGE;
    return PAGE_EXISTS;

class BookComponentPrintable implements Printable {
  private Component mComponent;

  public BookComponentPrintable(Component c) {
    mComponent = c;

  public int print(Graphics g, PageFormat pageFormat, int pageIndex) {
    Graphics2D g2 = (Graphics2D) g;
    g2.translate(pageFormat.getImageableX(), pageFormat.getImageableY());
    return PAGE_EXISTS;


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