package javafx_path; import javafx.application.Application; import javafx.event.EventHandler; import javafx.scene.Group; import javafx.scene.Scene; import javafx.scene.input.MouseEvent; import javafx.scene.paint.Color; import javafx.scene.shape.LineTo; import javafx.scene.shape.MoveTo; import javafx.scene.shape.Path; import javafx.stage.Stage; /** * * @web java-buddy.blogspot.com */ public class JavaFX_Path extends Application { /** * @param args the command line arguments */ public static void main(String[] args) { launch(args); } @Override public void start(Stage primaryStage) { primaryStage.setTitle("java-buddy.blogspot.com"); Group root = new Group(); Scene scene = new Scene(root, 400, 300, Color.WHITE); final Path path = new Path(); path.setStrokeWidth(1); path.setStroke(Color.BLACK); //Mouse button pressed - clear path and start from the current X, Y. scene.onMousePressedProperty().set(new EventHandler<MouseEvent>(){ @Override public void handle(MouseEvent event) { path.getElements().clear(); path.getElements().add(new MoveTo(event.getX(), event.getY())); } }); //Mouse dragged - add current point. scene.onMouseDraggedProperty().set(new EventHandler<MouseEvent>(){ @Override public void handle(MouseEvent event) { path.getElements().add(new LineTo(event.getX(), event.getY())); } }); //Mouse button released, finish path. scene.onMouseReleasedProperty().set(new EventHandler<MouseEvent>(){ @Override public void handle(MouseEvent event) { } }); root.getChildren().add(path); primaryStage.setScene(scene); primaryStage.show(); } }
Wednesday, March 7, 2012
JavaFX 2.0: Create Path dynamically
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