//*************************************************************
//Java applet
//「AffineTransformTest」
//
//　　　　　　　　　　作　成　者：ルート高菜　　　
//　　　　　　　　　　作成開始月：２００７／２
//　　　　　　　　　　最終更新月：２００７／２      [TN103/J93]
//*************************************************************
import java.awt.*;
import java.awt.event.*;
import java.awt.geom.AffineTransform;
import java.awt.image.*;
import javax.swing.*;

public class AffineTransformTest extends JApplet implements ActionListener {
	//Eclipseの場合、シリアライズ可能クラスでこれがないと警告が出る
	private static final long serialVersionUID=0;
	//
	Image image;
	AffineTransformTestPanel panel;
	//
	JComboBox lengthXCombo,lengthYCombo;
	JComboBox moveXCombo,moveYCombo;
	JComboBox warpXCombo,warpYCombo;
	JButton changeButton,formatButton;
	//
	public void init(){
		//
		image=getImage(getDocumentBase(),"natu03.jpg");
		//
		JPanel panel2=new JPanel();
		panel2.add(new JLabel("幅(m00)"));
		panel2.add(lengthXCombo=new JComboBox(new String[]{"1","0.3","0.5","0.8","1.5","2","3"}));
		panel2.add(new JLabel("高さ(m11)"));
		panel2.add(lengthYCombo=new JComboBox(new String[]{"1","0.3","0.5","0.8","1.5","2","3"}));
		panel2.add(new JLabel("横移動(m02)"));
		panel2.add(moveXCombo=new JComboBox(new String[]{"0","20","50","80","100","150"}));
		panel2.add(new JLabel("縦移動(m12)"));
		panel2.add(moveYCombo=new JComboBox(new String[]{"0","20","50","80","100","150"}));
		panel2.add(new JLabel("横ゆがみ(m10)"));
		panel2.add(warpXCombo=new JComboBox(new String[]{"0","0.3","0.5","0.8","1","1.5","2","3"}));
		panel2.add(new JLabel("縦ゆがみ(m01)"));
		panel2.add(warpYCombo=new JComboBox(new String[]{"0","0.3","0.5","0.8","1","1.5","2","3"}));
		panel2.add(changeButton=new JButton("試行"));
		panel2.add(formatButton=new JButton("元に戻す"));
		//コンテナ枠
		Container cp=getContentPane();
		cp.add(panel=new AffineTransformTestPanel(image),BorderLayout.CENTER);
		cp.add(panel2,BorderLayout.SOUTH);
		//
		changeButton.addActionListener(this);
		formatButton.addActionListener(this);
	}
	//
	public void actionPerformed(ActionEvent e) {
		if(e.getSource()==changeButton){
			//
			double m00,m11,m02,m12,m10,m01;
			//アフィン変換の行列内の該当要素に設定
			try{
				m00=Double.parseDouble((String)lengthXCombo.getSelectedItem());
				m11=Double.parseDouble((String)lengthYCombo.getSelectedItem());
				m02=Double.parseDouble((String)moveXCombo.getSelectedItem());
				m12=Double.parseDouble((String)moveYCombo.getSelectedItem());
				m10=Double.parseDouble((String)warpXCombo.getSelectedItem());
				m01=Double.parseDouble((String)warpYCombo.getSelectedItem());
			}catch(NumberFormatException nfe){
				m00=m11=1;
				m02=m12=m10=m01=0;
			}
			//変形した画像を作成
			AffineTransform affine=new AffineTransform(m00,m10,m01,m11,m02,m12);
			BufferedImageOp op=new AffineTransformOp(affine,AffineTransformOp.TYPE_BICUBIC);
			//
			ImageFilter filter=new BufferedImageFilter(op);
			ImageProducer producer=new FilteredImageSource(image.getSource(),filter);
			panel.image=createImage(producer);
			//
			repaint();
		}else if(e.getSource()==formatButton){
			//
			panel.setImage(image);
			//
			repaint();
		}
	}
}