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 void dispose() {
if (shell != null) {
shell.dispose();
shell = null;
}
if (printer != null) {
if (!printer.isDisposed()) {
printer.endJob();
}
printer.dispose();
printer = null;
}
jobStarted = false;
// if (providers != null) {
// for (Object o : providers.toArray()) {
// ((MindMapExportContentProvider) o).dispose();
// }
// providers = null;
// }
}
@Override
public void run() {
PrintDialog dialog = new PrintDialog(getViewSite().getShell(), SWT.NONE);
PrinterData data = dialog.open();
if (data == null) {
return;
}
if (data.printToFile) {
data.fileName =
"print.out"; // TODO you probably want to ask the user for a filename //$NON-NLS-1$
}
Printer printer = new Printer(data);
try {
Rectangle printerBounds = printer.getClientArea();
Rectangle trimBounds =
printer.computeTrim(
printerBounds.x, printerBounds.y, printerBounds.width, printerBounds.height);
System.out.println(printerBounds + ", " + trimBounds); // $NON-NLS-1$
if (printer.startJob(getPartName())) {
viewer.print(printer);
printer.endJob();
}
} catch (Throwable e) {
e.printStackTrace();
} finally {
printer.dispose();
}
}
private void receivePrinterInfo() {
dpi = new Point(printer.getDPI());
pageBounds = new Rectangle(printer.getBounds());
Rectangle trim = new Rectangle(printer.computeTrim(0, 0, 0, 0));
pageMargins = new Insets(-trim.y, -trim.x, trim.right(), trim.bottom());
pageClientArea = new Rectangle(printer.getClientArea());
// pageClientArea.x = pageBounds.x
// + (pageBounds.width - pageClientArea.width) / 2;
// pageClientArea.y = pageBounds.y
// + (pageBounds.height - pageClientArea.height) / 2;
int leftMargin = getUserMargin(PrintConstants.LEFT_MARGIN);
int rightMargin = getUserMargin(PrintConstants.RIGHT_MARGIN);
int topMargin = getUserMargin(PrintConstants.TOP_MARGIN);
int bottomMargin = getUserMargin(PrintConstants.BOTTOM_MARGIN);
pageClientArea.expand(pageMargins);
pageClientArea.x += leftMargin;
pageClientArea.y += topMargin;
pageClientArea.width -= leftMargin + rightMargin;
pageClientArea.height -= topMargin + bottomMargin;
// needRotate = pageBounds.height > pageBounds.width;
needRotate = false;
}
private void render() {
this.area =
ImageExportUtils.createExportAreaProvider(
source.getSourceArea(),
ResizeConstants.RESIZE_STRETCH,
needRotate ? pageClientArea.height : pageClientArea.width,
needRotate ? pageClientArea.width : pageClientArea.height,
source.getMargins());
init(source, area);
GC gc = new GC(printer);
try {
render(gc);
} finally {
gc.dispose();
}
printer.endPage();
}
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;
}
/** @return the printerData */
public PrinterData getPrinterData() {
if (printerData == null) printerData = Printer.getDefaultPrinterData();
if (printerData == null)
printerData = Printer.getPrinterList() != null ? Printer.getPrinterList()[0] : null;
return printerData;
}
