I need to copy a ScatterChart in JavaFX 2.0 to the system clipboard. I\'m not really sure how to copy the whole image of the ScatterChart with the potted points.
Gets rid of the need for any bots to take screenshots
/**
* Sets the image content of the clipboard to the chart supplied
* @param chart chart you wish to copy to the clipboard
*/
public void copyChartToClipboard(ScatterChart<Double, Double> chart) {
WritableImage image = chart.snapshot(new SnapshotParameters(), null);
ClipboardContent cc = new ClipboardContent();
cc.putImage(image);
Clipboard.getSystemClipboard().setContent(cc);
}
See next piece of code. I've added full package names for all non-javafx classes to avoid imports mess.
public void start(final Stage primaryStage) throws Exception {
VBox root = new VBox();
final Scene scene;
primaryStage.setScene(scene = new Scene(root));
NumberAxis xAxis = new NumberAxis("X-Axis", 0d, 8.0d, 1.0d);
NumberAxis yAxis = new NumberAxis("Y-Axis", 0.0d, 5.0d, 1.0d);
ObservableList<XYChart.Series> data = FXCollections.observableArrayList(
new ScatterChart.Series("Series 1", FXCollections.<ScatterChart.Data>observableArrayList(
new XYChart.Data(0.2, 3.5),
new XYChart.Data(0.7, 4.6),
new XYChart.Data(7.8, 4.0))));
final ScatterChart chart = new ScatterChart(xAxis, yAxis, data);
Button btnShoot = new Button("screenshot");
btnShoot.setOnAction(new EventHandler<ActionEvent>() {
public void handle(ActionEvent t) {
try {
// getting screen coordinates
Bounds b = chart.getBoundsInParent();
int x = (int)Math.round(primaryStage.getX() + scene.getX() + b.getMinX());
int y = (int)Math.round(primaryStage.getY() + scene.getY() + b.getMinY());
int w = (int)Math.round(b.getWidth());
int h = (int)Math.round(b.getHeight());
// using ATW robot to get image
java.awt.Robot robot = new java.awt.Robot();
java.awt.image.BufferedImage bi = robot.createScreenCapture(new java.awt.Rectangle(x, y, w, h));
// convert BufferedImage to javafx.scene.image.Image
java.io.ByteArrayOutputStream stream = new java.io.ByteArrayOutputStream();
ImageIO.write(bi, "png", stream);
Image image = new Image(new java.io.ByteArrayInputStream(stream.toByteArray()), w, h, true, true);
// put it to clipboard
ClipboardContent cc = new ClipboardContent();
cc.putImage(image);
Clipboard.getSystemClipboard().setContent(cc);
} catch (Exception ex) {
ex.printStackTrace();
}
}
});
root.getChildren().addAll(chart, btnShoot);
primaryStage.show();
}
N.B.: this approach involves using AWT side-by-side with JavaFX which is generally not a good idea and may not work on all configuration. It's better to use GlassRobot
instead of AWTRobot
. Unfortunately it's not stable enough yet.