import java.util.*;
import java.net.*;
import java.io.*;
import javax.swing.*;

public class PhotoFun {

	public static void main( String[] args ) throws IOException {

		Scanner stdin = new Scanner( System.in );

		System.out.print( "Image source: " );
		String s = stdin.nextLine();

		ImageIcon original;

		if ( s.indexOf( "http://" ) == 0 ) {
			URL u = new URL( s );
			original = new ImageIcon( u );
		}
		else {
			original = new ImageIcon( s );
		}

		Imager.window( original );

		int[][] grid = Imager.getPixels( original );

		while( true ) {
			System.out.print( "Command: " );
			String cmd = stdin.next();
			if ( cmd.equals( "blend" ) ) {
				String t = stdin.next();
				ImageIcon otherOriginal;
				if ( t.indexOf( "http://" ) == 0 ) {
					URL u = new URL( t );
					otherOriginal = new ImageIcon( u );
				}
				else {
					otherOriginal = new ImageIcon( t );
				}
				Imager.window( otherOriginal );
				int[][] otherGrid = Imager.getPixels( otherOriginal );
				ImageIcon version = new ImageIcon( original.getImage() );
				int[][] blend = PhotoManip.blend( grid, otherGrid );
				Imager.setPixels( version, blend );
				Imager.window( version );
			}
			else if ( cmd.equals( "gray" ) ) {
				ImageIcon version = new ImageIcon( original.getImage() );
				int[][] gray = PhotoManip.grayscale( grid );
				Imager.setPixels( version, gray );
				Imager.window( version );
			}
			else if ( cmd.equals( "mirror" ) ) {
				ImageIcon version = new ImageIcon( original.getImage() );
				int[][] dirg = PhotoManip.mirror( grid );
				Imager.setPixels( version, dirg );
				Imager.window( version );
			}
			else if ( cmd.equals( "scale" ) ) {
				double factor = stdin.nextDouble();
				ImageIcon version = new ImageIcon( original.getImage() );
				int[][] scale = PhotoManip.scale( grid, factor );
				Imager.setPixels( version, scale );
				Imager.window( version );
			}
			else if ( cmd.equals( "soften" ) ) {
				double factor = stdin.nextInt();
				ImageIcon version = new ImageIcon( original.getImage() );
				int[][] blur = PhotoManip.scale( grid, factor );
				Imager.setPixels( version, blur );
				Imager.window( version );
			}
			else if ( cmd.equals( "flip" ) ) {
				ImageIcon version = new ImageIcon( original.getImage() );
				int[][] flip = PhotoManip.flip( grid );
				Imager.setPixels( version, flip );
				Imager.window( version );
			}
			else {
				break;
			}
		}
	}
}