JavaFX for server-side image generation

Question

This could sound strange but I want to generate my chart images on server side using JavaFX. Because JavaFX has nice canvas API to perform image transformations joins and p

Answer 1

In case other people are looking for this, this is a much simpler way. Using JavaFX 2.2 i was able to perform the following operations.

    waitForInit = new Semaphore(0);
    root = new Group();
    root.getChildren().add(jfxnode);
    FxPlatformExecutor.runOnFxApplication(() -> {
        snapshot = jfxnode.snapshot(new SnapshotParameters(), null);
        waitForInit.release();
    });

    waitForInit.acquireUninterruptibly();
    BufferedImage bi = SwingFXUtils.fromFXImage(snapshot, null);

There is no need to add the node to a group. From there you can do any operation you want with the image.

The FxPlatformExecutor is from a JME3-JFX library I am using for my project. See: https://github.com/empirephoenix/JME3-JFX/blob/master/src/main/java/com/jme3x/jfx/FxPlatformExecutor.java

You can easily create the runOnFxApplication() method or create the FxPlatformExecutor class.

Here is the code.

package com.jme3x.jfx;

import javafx.application.Platform;

/**
 * TODO This Class should be replaced by some Workmanager implemntation
 * in the future
 * @author Heist
 */
public class FxPlatformExecutor {

    public static void runOnFxApplication(Runnable task) {
        if (Platform.isFxApplicationThread()) {
            task.run();
        } else {
            Platform.runLater(task);
        }
    }
}

I did not write this code, the github link is above.