package studio.utils;
import java.awt.*;
import javax.swing.*;
import java.awt.print.*;
public class PrintUtilities implements Printable {
private Component componentToBePrinted;
public static void printComponent(Component c) {
new PrintUtilities(c).print();
}
public PrintUtilities(Component componentToBePrinted) {
this.componentToBePrinted = componentToBePrinted;
}
public void print() {
PrinterJob printJob = PrinterJob.getPrinterJob();
printJob.setPrintable(this);
if(printJob.printDialog())
try {
printJob.print();
} catch (PrinterException pe) {
System.err.println("Printing error: " + pe);
}
}
public int print(Graphics g, PageFormat pf, int pageIndex) {
int response = NO_SUCH_PAGE;
Graphics2D g2 = (Graphics2D) g;
disableDoubleBuffering(componentToBePrinted);
Dimension d = componentToBePrinted.getSize();
double panelWidth = d.width;
double panelHeight = d.height;
double pageHeight = pf.getImageableHeight();
double pageWidth = pf.getImageableWidth();
double scale = pageWidth / panelWidth;
int totalNumPages = (int) Math.ceil(scale * panelHeight / pageHeight);
if (pageIndex >= totalNumPages) {
response = NO_SUCH_PAGE;
} else {
g2.translate(pf.getImageableX(), pf.getImageableY());
g2.translate(0f, -pageIndex * pageHeight);
g2.scale(scale, scale);
componentToBePrinted.paint(g2);
enableDoubleBuffering(componentToBePrinted);
response = Printable.PAGE_EXISTS;
}
return response;
}
public static void disableDoubleBuffering(Component c) {
RepaintManager currentManager = RepaintManager.currentManager(c);
currentManager.setDoubleBufferingEnabled(false);
}
public static void enableDoubleBuffering(Component c) {
RepaintManager currentManager = RepaintManager.currentManager(c);
currentManager.setDoubleBufferingEnabled(true);
}
}