SkinConverterV3

package converter;

import java.awt.Graphics;
import java.awt.image.BufferedImage;
import javax.imageio.*;
import java.io.*;
import javax.swing.JOptionPane;

public class Main
{
    public static void main(String[] args)
    {
        if(args.length == 0)
        {
            JOptionPane.showMessageDialog(null, "This program requires atleast 1 argument.\nArguments should be the path to your skin file." , "Skin Converter by DarkVamprism" , JOptionPane.INFORMATION_MESSAGE);
        }
        else
        {
            for(String filename : args)
            {
                try
                {
                    BufferedImage inImg = ImageIO.read(new File(filename));
                    BufferedImage outImg = new BufferedImage(64,64,BufferedImage.TYPE_INT_ARGB);
                    Graphics outGfx = outImg.getGraphics();

                    if(inImg.getHeight() == 32 && inImg.getWidth() == 64)
                    {
                        // Copy old layout(for the body, head and right limbs)
                        outGfx.drawImage(inImg, 0, 0, 64, 32, 0, 0, 64, 32, null);

                        // Right leg -> left leg
                        outGfx.drawImage(inImg, 24, 48, 20, 52, 4, 16, 8, 20, null); // Top
                        outGfx.drawImage(inImg, 28, 48, 24, 52, 8, 16, 12, 20, null); // Bottom
                        outGfx.drawImage(inImg, 20, 52, 16, 64, 8, 20, 12, 32, null); // Outside -> inside
                        outGfx.drawImage(inImg, 24, 52, 20, 64, 4, 20, 8, 32, null); // Front
                        outGfx.drawImage(inImg, 28, 52, 24, 64, 0, 20, 4, 32, null); // Inside -> outside
                        outGfx.drawImage(inImg, 32, 52, 28, 64, 12, 20, 16, 32, null); // Back

                        // Right arm -> left arm
                        outGfx.drawImage(inImg, 40, 48, 36, 52, 44, 16, 48, 20, null); // Top
                        outGfx.drawImage(inImg, 44, 48, 40, 52, 48, 16, 52, 20, null); // Bottom
                        outGfx.drawImage(inImg, 36, 52, 32, 64, 48, 20, 52, 32, null); // Outside -> inside
                        outGfx.drawImage(inImg, 40, 52, 36, 64, 44, 20, 48, 32, null); // Front
                        outGfx.drawImage(inImg, 44, 52, 40, 64, 40, 20, 44, 32, null); // Inside -> outside
                        outGfx.drawImage(inImg, 48, 52, 44, 64, 52, 20, 56, 32, null); // Back

                        ImageIO.write(outImg, "png", new File(filename.substring(0,filename.length()-4) + "_converted.png"));
                    }
                }
                catch(IOException e)
                {
                    e.printStackTrace();
                }
            }

            String msg = "Thank you for using this converter made by DarkVamprism.\n";
            JOptionPane.showMessageDialog(null, msg, "Skin Converter by DarkVamprism", JOptionPane.INFORMATION_MESSAGE);
        }
    }
}