HSLFrame.java

import java.awt.Graphics;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import javax.imageio.ImageIO;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JSlider;
import javax.swing.JTextField;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;

public class HSLFrame extends JFrame {
	private BufferedImage img;
	JPanel cotrolPanelMain = new JPanel();
	JPanel cotrolPanelShow = new JPanel();;
	JPanel cotrolPanelHue = new JPanel();
	JPanel cotrolPanelSat = new JPanel();
	JPanel cotrolPanelLum = new JPanel();
	JPanel cotrolPanelBin = new JPanel();
	JPanel cotrolPanelHSL = new JPanel();
	JPanel imagePanelOrg;
	JPanel imagePanelHSL;
	JButton btnShow;
	JSlider sliderHue;
	JSlider sliderSat;
	JSlider sliderLum;
	JLabel lbHue = new JLabel("    Hue");
	JLabel lbSat = new JLabel("    Saturation");
	JLabel lbLum = new JLabel("    Luminance");
	JLabel lbHueBeging = new JLabel("-180");
	JLabel lbHueEnd = new JLabel("180");
	JLabel lbSatBeging = new JLabel("-100(%)");
	JLabel lbSatEnd = new JLabel("100(%)");;
	JLabel lbLumBeging = new JLabel("-100(%)");;
	JLabel lbLumEnd = new JLabel("100(%)");;
	JTextField tfHueValue = new JTextField(3);
	JTextField tfSatValue = new JTextField(3);
	JTextField tfLumValue = new JTextField(3);
	int[][][] data;
	int height;
	int width;
	float[][] Cmax;
	float[][] Cmin;
	float[][] Delta;
	static BufferedImage imgOrg = null;
	static BufferedImage imgHSL = null;

	HSLFrame() {
		setBounds(0, 0, 1500, 1500);
		getContentPane().setLayout(null);
		setTitle("HW4: HSL Coversion");
		btnShow = new JButton("Show Original Image");
		tfHueValue.setText("0");
		tfSatValue.setText("0");
		tfLumValue.setText("0");
		tfHueValue.setEditable(false);
		tfSatValue.setEditable(false);
		tfLumValue.setEditable(false);

		cotrolPanelMain = new JPanel();
		cotrolPanelMain.setLayout(new GridLayout(6, 1));
		sliderHue = new JSlider(-180, 180, 0);
		cotrolPanelShow.add(btnShow);
		cotrolPanelHue.add(lbHueBeging);
		cotrolPanelHue.add(sliderHue);
		cotrolPanelHue.add(lbHueEnd);
		cotrolPanelHue.add(tfHueValue);
		cotrolPanelHue.add(lbHue);

		sliderSat = new JSlider(-100, 100, 0);
		cotrolPanelSat.add(lbSatBeging);
		cotrolPanelSat.add(sliderSat);
		cotrolPanelSat.add(lbSatEnd);
		cotrolPanelSat.add(tfSatValue);
		cotrolPanelSat.add(lbSat);

		sliderLum = new JSlider(-100, 100, 0);
		cotrolPanelLum.add(lbLumBeging);
		cotrolPanelLum.add(sliderLum);
		cotrolPanelLum.add(lbLumEnd);
		cotrolPanelLum.add(tfLumValue);
		cotrolPanelLum.add(lbLum);
		cotrolPanelMain.add(cotrolPanelShow);
		cotrolPanelMain.add(cotrolPanelHue);
		cotrolPanelMain.add(cotrolPanelSat);
		cotrolPanelMain.add(cotrolPanelLum);
		cotrolPanelMain.add(cotrolPanelHSL);
		cotrolPanelMain.add(cotrolPanelBin);
		cotrolPanelMain.setBounds(0, 0, 1200, 200);
		getContentPane().add(cotrolPanelMain);
		imagePanelOrg = new ImagePanel();
		imagePanelOrg.setBounds(0, 220, 700, 700);
		getContentPane().add(imagePanelOrg);
		imagePanelHSL = new ImagePanel();
		imagePanelHSL.setBounds(750, 220, 700, 700);
		getContentPane().add(imagePanelHSL);

		try {
			imgOrg = ImageIO.read(new File("Munich.png"));
		} catch (IOException e) {
			System.out.println("IO exception");
		}
		try {
			imgHSL = ImageIO.read(new File("Munich.png"));
		} catch (IOException e) {
			System.out.println("IO exception");
		}
		height = imgOrg.getHeight();
		width = imgOrg.getWidth();
		data = new int[height][width][3];

		btnShow.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent arg0) {
				loadImg();
				Graphics g = imagePanelOrg.getGraphics();
				g.drawImage(imgOrg, 0, 0, null);

			}
		});

		sliderHue.addChangeListener(new ChangeListener() {
			public void stateChanged(ChangeEvent e) {
				String s = Integer.toString(sliderHue.getValue());
				tfHueValue.setText(s);

				afterImg(sliderHue.getValue(), sliderSat.getValue(), sliderLum.getValue());
				Graphics g2 = imagePanelHSL.getGraphics();
				g2.drawImage(imgHSL, 0, 0, null);
			}
		});

		sliderSat.addChangeListener(new ChangeListener() {
			public void stateChanged(ChangeEvent e) {
				int a = sliderSat.getValue();
				String s = Integer.toString(a);
				tfSatValue.setText(s);

				afterImg(sliderHue.getValue(), sliderSat.getValue(), sliderLum.getValue());
				Graphics g2 = imagePanelHSL.getGraphics();
				g2.drawImage(imgHSL, 0, 0, null);

			}
		});

		sliderLum.addChangeListener(new ChangeListener() {
			public void stateChanged(ChangeEvent e) {
				int a = sliderLum.getValue();
				String s = Integer.toString(a);
				tfLumValue.setText(s);
				afterImg(sliderHue.getValue(), sliderSat.getValue(), sliderLum.getValue());
				Graphics g2 = imagePanelHSL.getGraphics();
				g2.drawImage(imgHSL, 0, 0, null);

			}
		});
	}

	void loadImg() {
		try {
			imgOrg = ImageIO.read(new File("Munich.png"));
		} catch (IOException e) {
			System.out.println("IO exception");
		}
	}

	void afterImg(int a, int b, int c) {
		for (int y = 0; y < height; y++) {
			for (int x = 0; x < width; x++) {
				int rgb = imgOrg.getRGB(x, y);
				data[y][x][0] = Util.getR(rgb);
				data[y][x][1] = Util.getG(rgb);
				data[y][x][2] = Util.getB(rgb);
				HSL hsl = Util.RGB2HSL(data[y][x][0], data[y][x][1], data[y][x][2]);
				int[] argb = Util.paint(hsl.h + a, hsl.s + (b*0.01), hsl.l + (c*0.01));
				imgHSL.setRGB(x, y, Util.makeColor(argb[0], argb[1], argb[2]));
			}
		}
	}

	public static void main(String[] args) {
		HSLFrame frame = new HSLFrame();
		frame.setSize(1500, 1500);
		frame.setVisible(true);
		frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
	}
}