private boolean start() {
if (printer == null) {
printer = new Printer(printerData);
}
receivePrinterInfo();
if (!jobStarted) {
if (!printer.startJob(jobName)) return false;
jobStarted = true;
}
return printer.startPage();
}
public boolean performPrint(Shell shell, Image image) {
GC gc = null;
boolean success = true;
PrintDialog dialog = new PrintDialog(shell);
PrinterData pd = dialog.open();
if (pd != null) {
Printer printer = new Printer(pd);
Rectangle bounds = image.getBounds();
Rectangle area = printer.getClientArea();
Point dpi = printer.getDPI();
int xScale = dpi.x / 96;
int yScale = dpi.y / 96;
int width = bounds.width * xScale;
int height = bounds.height * yScale;
int pWidth = area.width - 5 * dpi.x / 4;
int pHeight = area.height - 5 * dpi.x / 4;
float factor =
Math.min(
1.0F, Math.min((float) pWidth / (float) width, (float) pHeight / (float) height));
int aWidth = (int) (factor * width);
int aHeight = (int) (factor * height);
int xoff = (area.width - aWidth) / 2;
int yoff = (area.height - aHeight) / 2;
String jobName = ScreenshotMessages.getString("ScreenshotPlugin.Screenshot");
if (printer.startJob(jobName)) {
System.out.println(" Job gestartet\n");
if (printer.startPage()) {
System.out.println(" Seite gestartet\n");
System.out.println(
image.toString()
+ ", "
+ bounds.x
+ ", "
+ bounds.y
+ ", "
+ bounds.width
+ ", "
+ bounds.height
+ ", "
+ xoff
+ ", "
+ yoff
+ ", "
+ aWidth
+ ", "
+ aHeight);
gc = new GC(printer);
System.out.println(gc.toString());
gc.drawImage(
image, bounds.x, bounds.y, bounds.width, bounds.height, xoff, yoff, aWidth, aHeight);
printer.endPage();
}
printer.endJob();
} else {
success = false;
}
if (gc != null) {
gc.dispose();
}
printer.dispose();
}
return success;
}