Hướng dẫn sử dụng JavaFX Line

package org.o7planning.javafx.line;

import javafx.application.Application;
import javafx.geometry.Insets;
import javafx.scene.Scene;
import javafx.scene.layout.AnchorPane;
import javafx.scene.paint.Color;
import javafx.scene.shape.Line;
import javafx.stage.Stage;

public class LineDemo extends Application {

   @Override
   public void start(Stage stage) {

 
       // Một đoạn thẳng mô phỏng trục Ox
       Line oxLine1 = new Line(0, 0, 400, 0);

 
       // Độ rộng của đường
       oxLine1.setStrokeWidth(5);
       oxLine1.setStroke(Color.BLUE);

 
       // Một đoạn thẳng mô phỏng trục Oy
       Line oyLine = new Line(0, 0, 0, 200);
 
       // Độ rộng của đường
       oyLine.setStrokeWidth(5);
       oyLine.setStroke(Color.BLUEVIOLET);

 
       // Một đoạn thẳng khác.
       Line line = new Line();
       line.setStartX(100.0f);
       line.setStartY(200.0f);
       line.setEndX(300.0f);
       line.setEndY(70.0f);
       line.setStrokeWidth(10);
       line.setStroke(Color.PINK);

       AnchorPane root = new AnchorPane();
       root.setPadding(new Insets(15));

       final Scene scene = new Scene(root, 400, 250);

       scene.setFill(null);
       root.getChildren().addAll(oyLine, oxLine1, line);

       stage.setTitle("JavaFX Line (o7planning.org)");
       stage.setScene(scene);
       stage.show();
   }

   public static void main(String[] args) {
       launch(args);
   }
}

// Sét mầu sắc để vẽ đường thẳng.

line.setStroke(Color.RED);

package org.o7planning.javafx.line;

import javafx.application.Application;
import javafx.geometry.Insets;
import javafx.scene.Scene;
import javafx.scene.layout.AnchorPane;
import javafx.scene.shape.Line;
import javafx.stage.Stage;

public class LineStrokeDashArrayDemo extends Application {

    @Override
    public void start(Stage stage) {

        Line line1 = new Line(20, 40, 270, 40);
        line1.getStrokeDashArray().addAll(25.0, 20.0, 5.0, 20.0);

        Line line2 = new Line(20, 60, 270, 60);
        line2.getStrokeDashArray().addAll(50.0, 40.0);

        Line line3 = new Line(20, 80, 270, 80);
        line3.getStrokeDashArray().addAll(25.0, 10.0);

        Line line4 = new Line(20, 100, 270, 100);
        line4.getStrokeDashArray().addAll(2.0);

        Line line5 = new Line(20, 120, 270, 120);
        line5.getStrokeDashArray().addAll(2.0, 21.0);

        AnchorPane root = new AnchorPane();
        root.setPadding(new Insets(5));

        final Scene scene = new Scene(root, 400, 250);

        root.getChildren().addAll(line1, line2, line3, line4, line5);

        stage.setTitle("JavaFX Line (o7planning.org)");
        stage.setScene(scene);
        stage.show();
    }

    public static void main(String[] args) {
        launch(args);
    }
}