XMLDiagram.java 文件源码

private void paintYPin(Graphics2D g, int number) {
    double y = top;
    for (int i = 0; i < number; i++) {
        y += yBounds[i].getSize().getHeight();
    }
    g.setColor(Color.black);

    double max = 6;

    g.setPaint(new GradientPaint(new Point2D.Double(LEFT - max, y - max),
            Color.green, new Point2D.Double(LEFT + max, y + max),
            Color.black));

    GeneralPath path1 = new GeneralPath(Path2D.WIND_EVEN_ODD, 4);
    GeneralPath path2 = new GeneralPath(Path2D.WIND_EVEN_ODD, 4);
    path1.moveTo(LEFT - 5, y);
    path1.lineTo(LEFT - 5 - max, y + max / 2);
    path1.lineTo(LEFT - 5 - max, y - max / 2);
    path1.lineTo(LEFT - 5, y);

    path2.moveTo(5 + LEFT + width, y);
    path2.lineTo(5 + LEFT + width + max, y + max / 2);
    path2.lineTo(5 + LEFT + width + max, y - max / 2);
    path2.lineTo(5 + LEFT + width, y);

    g.fill(path1);
    g.setPaint(new GradientPaint(new Point2D.Double(LEFT + width - max, y
            - max), Color.black, new Point2D.Double(LEFT + max + width, y
            + max), Color.green));
    g.fill(path2);
    g.setColor(Color.gray);
    g.draw(path1);
    g.draw(path2);
}