Examples with Screenshot org.csstudio.javafx.Screenshot used on opensource projects

Example 1 with Screenshot

use of org.csstudio.javafx.Screenshot in project org.csstudio.display.builder by kasemir.

the class SnapshotAction method run.

// 
@Override
public void run() {
    if (shell == null) {
        // $NON-NLS-1$
        Logger.getLogger("SnapshotAction").log(Level.SEVERE, "Cannot make snapshot. Shell not set");
        return;
    }
    final FileDialog dialog = new FileDialog(shell, SWT.SAVE);
    dialog.setOverwrite(true);
    dialog.setFilterNames(new String[] { "PNG Files", "All Files (*.*)" });
    dialog.setFilterExtensions(new String[] { "*.png", "*.*" });
    final String path = dialog.open();
    if (path == null)
        return;
    final Screenshot screenshot;
    try {
        screenshot = plot.getScreenshot();
    } catch (Exception ex) {
        ExceptionDetailsErrorDialog.openError(shell, "Cannot obtain screenshot", ex);
        return;
    }
    new Job("Save Image") {

        @Override
        protected IStatus run(final IProgressMonitor monitor) {
            try {
                screenshot.writeToFile(new File(path));
            } catch (Exception ex) {
                shell.getDisplay().asyncExec(() -> ExceptionDetailsErrorDialog.openError(shell, "Cannot write screenshot", ex));
            }
            return Status.OK_STATUS;
        }
    }.schedule();
    ;
}

Example 2 with Screenshot

use of org.csstudio.javafx.Screenshot in project org.csstudio.display.builder by kasemir.

the class SendLogbookAction method run.

@Override
public void run() {
    File image_file = null;
    try {
        final Screenshot screenshot = new Screenshot(scene);
        image_file = screenshot.writeToTempfile("display");
    } catch (Exception ex) {
        ExceptionDetailsErrorDialog.openError(shell, "Cannot obtain screenshot", ex);
        image_file = null;
    }
    try {
        final LogEntryBuilder entry = LogEntryBuilder.withText(Messages.DefaultLogbookText);
        if (image_file != null)
            entry.attach(attachment(image_file.getAbsolutePath()).inputStream(new FileInputStream(image_file)));
        final LogEntryBuilderDialog dialog = new LogEntryBuilderDialog(shell, entry);
        dialog.setBlockOnOpen(true);
        dialog.open();
    } catch (Exception ex) {
        ExceptionDetailsErrorDialog.openError(shell, "Cannot create log entry", ex);
    }
}

Example 3 with Screenshot

use of org.csstudio.javafx.Screenshot in project org.csstudio.display.builder by kasemir.

the class PrintAction method run.

@Override
public void run() {
    // Not optimal:
    // Creates screenshot file for JFX scene,
    // then loads that file as SWT image..
    final Image snapshot;
    try {
        final Screenshot screenshot = new Screenshot(scene);
        final File image_file = screenshot.writeToTempfile("display");
        final ImageLoader loader = new ImageLoader();
        final ImageData[] data = loader.load(new FileInputStream(image_file));
        snapshot = new Image(shell.getDisplay(), data[0]);
    } catch (Exception ex) {
        ExceptionDetailsErrorDialog.openError(shell, "Cannot obtain screenshot", ex);
        return;
    }
    // SWT Printer GUI
    final PrintDialog dlg = new PrintDialog(shell);
    PrinterData data = dlg.open();
    if (data == null) {
        logger.fine("Cannot obtain printer");
        return;
    }
    // Access to SWT Printer must be on UI thread.
    // Printing in other thread can deadlock with UI thread.
    final Printer printer = new Printer(data);
    try {
        if (!printer.startJob("Display Builder")) {
            Logger.getLogger(getClass().getName()).fine("Cannot start print job");
            return;
        }
        try {
            // Printer page info
            final Rectangle area = printer.getClientArea();
            final Rectangle trim = printer.computeTrim(0, 0, 0, 0);
            final Point dpi = printer.getDPI();
            // Compute layout
            final Rectangle image_rect = snapshot.getBounds();
            // Leave one inch on each border.
            // (copied the computeTrim stuff from an SWT example.
            // Really no clue...)
            final int left_right = dpi.x + trim.x;
            final int top_bottom = dpi.y + trim.y;
            final int printed_width = area.width - 2 * left_right;
            // Try to scale height according to on-screen aspect ratio.
            final int max_height = area.height - 2 * top_bottom;
            final int printed_height = Math.min(max_height, image_rect.height * printed_width / image_rect.width);
            // Print one page
            printer.startPage();
            final GC gc = new GC(printer);
            gc.drawImage(snapshot, 0, 0, image_rect.width, image_rect.height, left_right, top_bottom, printed_width, printed_height);
            printer.endPage();
        } finally {
            printer.endJob();
        }
    } finally {
        printer.dispose();
    }
    // Image used by printer must only be disposed after the printer that used it.
    // Otherwise crash, https://github.com/ControlSystemStudio/cs-studio/issues/1937
    snapshot.dispose();
}

Example 4 with Screenshot

use of org.csstudio.javafx.Screenshot in project org.csstudio.display.builder by kasemir.

the class SaveSnapshotAction method run.

@Override
public void run() {
    final FileDialog dialog = new FileDialog(shell, SWT.SAVE);
    dialog.setOverwrite(true);
    dialog.setFilterNames(new String[] { "PNG Files", "All Files (*.*)" });
    dialog.setFilterExtensions(new String[] { "*.png", "*.*" });
    final String path = dialog.open();
    if (path == null)
        return;
    final Screenshot screenshot;
    try {
        screenshot = new Screenshot(scene);
    } catch (Exception ex) {
        ExceptionDetailsErrorDialog.openError(shell, "Cannot obtain screenshot", ex);
        return;
    }
    new Job("Save Image") {

        @Override
        protected IStatus run(final IProgressMonitor monitor) {
            try {
                screenshot.writeToFile(new File(path));
            } catch (Exception ex) {
                shell.getDisplay().asyncExec(() -> ExceptionDetailsErrorDialog.openError(shell, "Cannot write screenshot", ex));
            }
            return Status.OK_STATUS;
        }
    }.schedule();
    ;
}