16. 3. 6. Tranformation with AffineTransform.getScaleInstance

import java.awt.Frame;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.geom.AffineTransform;

/**
 * getScaleInstance()返回表示缩放变换的变换。
 *表示返回变换的矩阵是： 
                [   sx   0    0   ]
                [   0    sy   0   ]
                [   0    0    1   ]
                参数：
		sx - 坐标沿 X 轴方向缩放的因子
		sy - 坐标沿 Y 轴方向缩放的因子 
 */
public class AffineTransformGetScaleInstance extends Frame{

	public static void main(String[] args) {
		new AffineTransformGetScaleInstance().setVisible(true);
	}
	
	public AffineTransformGetScaleInstance(){
		setSize(350,300);
	}
	
	public void paint(Graphics g){
		AffineTransform at = null;
		Graphics2D g2d = (Graphics2D)g;
		at = AffineTransform.getScaleInstance(2, 3);
		
		if(at != null){
			g2d.setTransform(at);
		}
		g2d.fillRect(50,50,100,50);
	}

}