Filling Basic Shapes：填充基本图形

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There are two ways to fill basic shapes like lines and rectangles.

#有两种方法来填充基本图形，像线和矩形

The first is to use specific drawing methods like Graphics.fillOval().

#第一种方法是使用特殊的画图方法，比如Graphics.fillOval()方法

This example uses these methods.

#这个例子试用了这些方法。

The second is to construct ashape and then use Graphics2D.fill() to fill the shape.

#第二个方法是构造一个图像，并且使用Graphics2D.fill()方法来填充图形

See thejava.awt.geom package for examples that create shapes.

#看java.awt.geom包，里面有很多关于创建图形的示例

g2d.fillArc(x, y, w, h, startAngle, arcAngle);

g2d.fillOval(x, y, w, h);

g2d.fillRect(x, y, w, h);

g2d.fillRoundRect(x, y, w, h, arcWidth, arcHeight);

Polygon polygon = new Polygon();

polygon.addPoint(x, y);

// ...continue adding points

g2d.fillPolygon(polygon);