ArrowPainter.java 文件源码

public static void paintTilda(final Graphics2D g, final double x1,
                              final double y1, final double x2, final double y2, final double x3,
                              final double y3, double w, MovingArea movingArea) {
    double x = x1;
    double y = y1;
    if (x3 < x)
        x = x3;
    else if (x2 > x)
        x = x2;
    if (y3 < y)
        y = y3;
    else if (y2 > y)
        y = y2;

    g.fill(new Arc2D.Double(x1 - w / 2, y1 - w / 2, w, w, 0, 360, Arc2D.PIE));
    paintTilda(g, x1, y1, x, y, movingArea);
}