在java的面板(Jpanel)中用Graphics2D画的图形，如矩形，直线等，该如何实现放大 或 缩小功能呢？

Java's Graphics2D class provides methods to draw primitive shapes, such as lines, rectangles and ellipses. It lacks a method for drawing pixels. You can color a single pixel in a Java drawing by ...

Qt Jambi is a new and noteworthy alternative to Swing and Java 2D for developing rich, cross-platform desktop-application interfaces. In this article JavaWorld contributor Jeff Hanson introduces the ...