в 17:44, 31 мая 2010

2010-05-31T17:44:26Z

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2010-05-31T15:25:15Z

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== Print Book ==



<source lang="java">
import java.awt.Font;
import java.awt.Graphics;
import java.awt.print.Book;
import java.awt.print.PageFormat;
import java.awt.print.Printable;
import java.awt.print.PrinterJob;
import java.util.Enumeration;
import java.util.Vector;
public class MainClass {
public static void main(String args[]) throws Exception {
PrinterJob pj = PrinterJob.getPrinterJob();
Book book = new Book();
PageFormat defaultFormat = new PageFormat();
defaultFormat = pj.defaultPage(defaultFormat);
PageFormat landscapeFormat = new PageFormat();
landscapeFormat.setOrientation(PageFormat.LANDSCAPE);
PagePrinter[] page = new PagePrinter[2];
int pageWidth = (int) defaultFormat.getImageableWidth();
int pageHeight = (int) defaultFormat.getImageableHeight();
Font font = new Font("Helvetica", Font.BOLD, 18);
page[0] = new PagePrinter();
page[0].addPrintElement(new MyItem("AAA", font, 100, pageHeight / 2));
page[0].addPrintElement(new MyItem("line", 0, pageHeight, pageWidth, pageHeight));
page[1] = new PagePrinter();
page[1].addPrintElement(new MyItem("rectangle", 100, 100, pageWidth - 200, pageHeight - 200));
page[1].addPrintElement(new MyItem("oval", 120, 120, pageWidth - 240, pageHeight - 240));
book.append(page[0], defaultFormat);
book.append(page[1], landscapeFormat);

pj.setPageable(book);
pj.print();
}
}
class PagePrinter implements Printable {
Vector pageContents;
public PagePrinter() {
pageContents = new Vector();
}
public int print(Graphics g, PageFormat pageFormat, int pageIndex) {
Enumeration printElements = pageContents.elements();
while (printElements.hasMoreElements()) {
MyItem pe = (MyItem) printElements.nextElement();
pe.print(g);
}
return Printable.PAGE_EXISTS;
}
public void addPrintElement(MyItem pe) {
pageContents.addElement(pe);
}
}
class MyItem {
static final int TEXT = 1;
static final int GRAPHICS = 2;
int type;
String text;
Font font;
String shape;
int x, y, width, height;
public MyItem(String text, Font font, int x, int y) {
type = TEXT;
this.text = text;
this.font = font;
this.x = x;
this.y = y;
}
public MyItem(String shape, int x, int y, int width, int height) {
type = GRAPHICS;
this.shape = shape.toUpperCase();
this.x = x;
this.y = y;
this.width = width;
this.height = height;
}
public void print(Graphics g) {
Font oldFont = g.getFont();
if (type == TEXT) {
g.setFont(font);
g.drawString(text, x, y);
} else if (type == GRAPHICS) {
if (shape.equals("LINE")) {
g.drawLine(x, y, width, height);
} else if (shape.equals("OVAL")) {
g.drawOval(x, y, width, height);
} else if (shape.equals("RECTANGLE")) {
g.drawRect(x, y, width, height);
}
}
g.setFont(oldFont);
}
}</source>



== Printing setting ==



<source lang="java">
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Font;
import java.awt.FontMetrics;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.print.PageFormat;
import java.awt.print.Printable;
import java.awt.print.PrinterException;
import java.awt.print.PrinterJob;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
public class PrinterSettingUpDialogPrint extends JFrame {
DrawingCanvas canvas= new DrawingCanvas();
JButton setUpButton= new JButton("Page Setup"), printButton= new JButton("Print"), cancelButton= new JButton("Cancel");
PrinterJob printJob = PrinterJob.getPrinterJob();
PageFormat pageFormat = printJob.defaultPage();
PrintableCanvas printableCanvas;
public PrinterSettingUpDialogPrint() {
getContentPane().add(canvas);
JPanel panel = new JPanel();
panel.setLayout(new GridLayout(1, 3));
setUpButton.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent a){
setup();
}
});
panel.add(setUpButton);
printButton.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent a){
print();
}
});
panel.add(printButton);
cancelButton.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent a){
cancel();
}
});
panel.add(cancelButton);
getContentPane().add(BorderLayout.SOUTH, panel);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setSize(400, 275);
setVisible(true);
}
private void setup() {
pageFormat = printJob.pageDialog(pageFormat);
printJob.validatePage(pageFormat);
}
private void print() {
printableCanvas = new PrintableCanvas(pageFormat);
printJob.setPrintable(printableCanvas);
boolean ok = printJob.printDialog();
if (ok) {
try {
printJob.print();
} catch (Exception pe) {
System.out.println("Printing Exception Occured!");
pe.printStackTrace();
}
}
}
private void cancel() {
printJob.cancel();
}
public static void main(String arg[]) {
new PrinterSettingUpDialogPrint();
}
}
class DrawingCanvas extends JPanel {
Font font = new Font("Dialog", Font.BOLD, 50);
FontMetrics fontMetrics;
int w = 400, h = 275;
DrawingCanvas() {
setBackground(Color.white);
setSize(400, 275);
fontMetrics = getFontMetrics(font);
}
public void paintComponent(Graphics g) {
super.paintComponent(g);
Graphics2D g2D = (Graphics2D) g;
paintContent(g2D, w, h);
}
public void paintContent(Graphics2D g2D, int w, int h) {
g2D.setFont(font);
g2D.drawString("Java 2D", (float) (0.5 * (w - fontMetrics
.stringWidth("Java 2D"))), (float) (0.5 * h - 1.25 * fontMetrics
.getHeight()));
}
}
class PrintableCanvas implements Printable {
DrawingCanvas canvas;
PageFormat pageFormat;
public PrintableCanvas(PageFormat pf) {
pageFormat = pf;
}
public int print(Graphics g, PageFormat pageFormat, int pageIndex)
throws PrinterException {
if (pageIndex >= 1) {
return Printable.NO_SUCH_PAGE;
}
Graphics2D g2D = (Graphics2D) g;
canvas = new DrawingCanvas();
canvas.paintContent(g2D, (int) pageFormat.getImageableWidth(),
(int) pageFormat.getImageableHeight());
return Printable.PAGE_EXISTS;
}
}</source>

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в 17:44, 31 мая 2010

Admin: 1 версия