#10: fixed linux startup hang (javafx is loaded by demand).

Author: PhaserEditor2D

source/phasereditor/phasereditor.canvas.ui/src/phasereditor/canvas/ui/CanvasUI.java

@@ -72,6 +72,7 @@
 import com.subshell.snippets.jface.tooltip.tooltipsupport.TreeViewerInformationProvider;
 
 import javafx.embed.swing.SwingFXUtils;
+import javafx.embed.swt.FXCanvas;
 import javafx.geometry.Bounds;
 import javafx.geometry.Insets;
 import javafx.geometry.Rectangle2D;
@@ -122,6 +123,7 @@
 public class CanvasUI {
 	private static final int CANVAS_SCREENSHOT_SIZE = 256;
 	public static final String PLUGIN_ID = "phasereditor.canvas.ui";
+	private static boolean _fxStarted = false;
 
 	public static void logError(Exception e) {
 		StatusManager.getManager().handle(new Status(IStatus.ERROR, PLUGIN_ID, e.getMessage(), e));
@@ -436,6 +438,19 @@ public static Path getCanvasScreenshotFile(IFile file, boolean makeIfNotExist) {
 	}
 
 	public static javafx.scene.image.Image makeCanvasScreenshot_FXImage(IFile file, int maxSize) {
+		
+		if (!_fxStarted) {
+			Display.getDefault().syncExec(new Runnable() {
+				
+				@SuppressWarnings("unused")
+				@Override
+				public void run() {
+					new FXCanvas(new Shell(Display.getDefault()), 0);
+				}
+			});
+			_fxStarted = true;
+		}
+		
 		javafx.scene.image.Image[] result = new javafx.scene.image.Image[1];
 
 		try (InputStream contents = file.getContents()) {

source/phasereditor/phasereditor.ide/src/phasereditor/ide/intro/PhaserIDE.java

@@ -21,8 +21,6 @@
 // USE OR OTHER DEALINGS IN THE SOFTWARE.
 package phasereditor.ide.intro;
 
-import static java.lang.System.out;
-
 import java.io.File;
 import java.io.FileInputStream;
 import java.io.FileOutputStream;
@@ -60,7 +58,6 @@
 import org.osgi.framework.Bundle;
 import org.osgi.framework.Version;
 
-import javafx.embed.swt.FXCanvas;
 import phasereditor.lic.LicCore;
 
 /**
@@ -136,16 +133,6 @@ public Object start(IApplicationContext appContext) throws Exception {
 
 		Display display = createDisplay();
 
-		{
-			// init javafx
-			out.print("Starting JavaFX runtime...");
-			Shell shell = new Shell(display);
-			FXCanvas canvas = new FXCanvas(shell, 0);
-			canvas.dispose();
-			shell.dispose();
-			out.println("done");
-		}
-
 		// processor must be created before we start event loop
 		DelayedEventsProcessor processor = new DelayedEventsProcessor(display);