GetTranslateInstance与getShearInstance

import java.awt.Frame; import java.awt.Graphics; import java.awt.Graphics2D; import java.awt.geom.AffineTransform; /** * 返回表示平移变换的变换。表示返回变换的矩阵是： [ 1 0 tx ] [ 0 1 ty ] [ 0 0 1 ] 参数： tx - 坐标在 X 轴方向上平移的距离 ty - 坐标在 Y 轴方向上平移的距离 * */ public class AffineTransformGetTranslateInstance extends Frame{ public static void main(String[] args) { new AffineTransformGetTranslateInstance().setVisible(true); } public AffineTransformGetTranslateInstance(){ setSize(350,300); } public void paint(Graphics g){ AffineTransform at = null; Graphics2D g2d = (Graphics2D)g; at = at.getTranslateInstance(50, 100);//平移到这个位置50+50/100+50 //at = at.getShearInstance(2, 3); // if(at != null){ // g2d.setTransform(at); // } g2d.fillRect(10, 20, 50, 50); } }