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package sample;
import javafx.application.Application;
import javafx.scene.Scene;
import javafx.scene.canvas.Canvas;
import javafx.scene.canvas.GraphicsContext;
import javafx.scene.layout.BorderPane;
import javafx.scene.paint.Color;
import javafx.scene.shape.ArcType;
import javafx.stage.Stage;
public class _shime_nawa extends Application {
public static void main(String... args) {
Application.launch(args);
}
private static final int VIEW_W = 400, VIEW_H = 300;
private GraphicsContext gc;
@Override
public void start(Stage stage) throws Exception {
BorderPane pane = new BorderPane();
stage.setScene(new Scene(pane));
Canvas view = new Canvas(VIEW_W, VIEW_H);
gc = view.getGraphicsContext2D();
pane.setCenter(view);
draw();
stage.show();
}
private void draw() {
gc.setTransform(1, 0, 0, 1, VIEW_W / 2, VIEW_H / 2);
for (int i = 0; i < 9; i++) {
gc.setFill((i % 3 == 1) ? Color.BLACK : Color.WHITE);
draw_arc(i * 50 - 175, 0, 50, 60, 120);
draw_arc(175 - i * 50, 0, 50, 0, -120);
}
}
private void draw_arc(double x, double y, double r,
double start, double length) {
gc.fillArc(x - r, y - r, 2 * r, 2 * r, start, length, ArcType.ROUND);
gc.strokeArc(x - r, y - r, 2 * r, 2 * r, start, length, ArcType.OPEN);
}
}