我现在是在别人的软件上作一些开发，想要在其主窗口的绘图面板上画一些图形，但是这个绘图面板的代码找不到，所以无法用paint()或paintComponent()函数来实现，只能通过getComponent()函数得到这个JPanel面板的对象pane，再用pane.getGraphics()获得一个Graphics2D的对象g ...

Given a JPanel that is on the interface at 64x64pixels how can I get it to paint into a bitmap as if it were 128*128pixels, <I>without</I> either removing it from the interface or changing the actual ...