绘制矩形边框厚度 [英] Draw rectangle border thickness

问题描述

是否有可能做绘制一个矩形，在一个简单的方法给定的边框厚度？

Is it possible to do draw a rectangle with a given border thickness in an easy way?

推荐答案

如果您是在的的Graphics2D 对象，你可以使用 setStroke（）方法：

If you are drawing on a Graphics2D object, you can use the setStroke() method:

Graphics2D g2;
double thickness = 2;
Stroke oldStroke = g2.getStroke();
g2.setStroke(new BasicStroke(thickness));
g2.drawRect(x, y, width, height);
g2.setStroke(oldStroke);

如果这是正在上Swing组件完成，你被通过了图形对象，你可以把它向下转换到的Graphics2D 。

If this is being done on a Swing component and you are being passed a Graphics object, you can downcast it to a Graphics2D.

Graphics2D g2 = (Graphics2D) g;

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