Example usage for javafx.scene Scene snapshot

Introduction

In this page you can find the example usage for javafx.scene Scene snapshot.

Prototype

public WritableImage snapshot(WritableImage image) 

Source Link

Document

Takes a snapshot of this scene and returns the rendered image when it is ready.

Usage

From source file:de.ifsr.adam.ImageGenerator.java

/**
 * Takes a snapshot of the Pane and prints it to a file.
 *
 * @return True if no IOException occurred
 *//*from ww w  .  ja va  2  s .c o  m*/
private boolean printToFile(String fileName, Pane pane) {
    Group root = new Group();
    Scene printScene = new Scene(root);

    printScene.getStylesheets().add(this.stylesheetURI.toString());

    ((Group) printScene.getRoot()).getChildren().addAll(pane);
    WritableImage image = printScene.snapshot(null);
    File outFile = new File(fileName + "." + formatName);

    try {
        ImageIO.write(SwingFXUtils.fromFXImage(image, null), formatName, outFile);
        return true;
    } catch (IOException e) {
        log.error(e);
        return false;
    }
}

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From source file:de.ifsr.adam.ImageGenerator.java

/**
 * Takes a snapshot of the Pane and prints it to a pdf.
 *
 * @return True if no IOException occurred
 */// w w w  .j  a v a 2s . c om
private boolean printToPDF(String filePath, Pane pane) {
    //Scene set up
    Group root = new Group();
    Scene printScene = new Scene(root);
    printScene.getStylesheets().add(this.stylesheetURI.toString());

    //Snapshot generation
    ArrayList<WritableImage> images = new ArrayList<>();
    try {
        ObservableList<Node> panes = pane.getChildren();
        for (int i = 0; i < panes.size(); i++) {
            GridPane gridPane = (GridPane) panes.get(i);
            ((Group) printScene.getRoot()).getChildren().clear();
            ((Group) printScene.getRoot()).getChildren().addAll(gridPane);
            images.add(printScene.snapshot(null));
            panes.add(i, gridPane);
        }
    } catch (Exception e) {
        log.error(e);
        return false;
    }

    //PDF Setup
    File outFile = new File(filePath + "." + "pdf");
    Iterator<WritableImage> iterImages = images.iterator();
    PDDocument doc = new PDDocument();

    try {

        while (iterImages.hasNext()) {
            //Page setup
            PDPage page = new PDPage();
            doc.addPage(page);
            PDPageContentStream contentStream = new PDPageContentStream(doc, page, true, false);
            //Image setup
            BufferedImage bufImage = SwingFXUtils.fromFXImage(iterImages.next(), null);
            PDPixelMap pixelMap = new PDPixelMap(doc, bufImage);

            int width = (int) (page.getMediaBox().getWidth());
            int height = (int) (page.getMediaBox().getHeight());
            Dimension dim = new Dimension(width, height);
            contentStream.drawXObject(pixelMap, 0, 0, dim.width, dim.height);
            contentStream.close();
        }

        doc.save(outFile);
        return true;
    } catch (IOException | COSVisitorException e) {
        log.error(e);
        return false;
    }
}

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