Main.java

import java.awt.image.BufferedImage;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Scanner;

import javax.imageio.ImageIO;

public class Main {

	public static void main(String[] args) throws FileNotFoundException {
		File file = new File("Diamond colors.txt");
		Scanner fileReader = new Scanner(file);
		ArrayList <diamond> colors = new ArrayList<diamond>();
		/*
		while (fileReader.hasNextLine()){
			String line = fileReader.nextLine();
			String[] splitstring = line.split("\t");
			colors.add(new diamond(Integer.parseInt(splitstring[0]), splitstring[1], splitstring[2]));
		}
		
		fileReader.close();
		*/
		File image = new File("C:\\Users\\felzh\\Pictures\\messing around with dimond art\\2021 Yearbook photo-David - Copy.jpg");
		File imageUpdate = new File("C:\\\\Users\\\\felzh\\\\Pictures\\\\messing around with dimond art\\\\2021 Yearbook photo-David - Copy2.jpg");
		BufferedImage img = null;
		BufferedImage img2 = null;
		try {
			img = ImageIO.read(image);
			img2 = ImageIO.read(imageUpdate);
		} catch (IOException e) {
			e.printStackTrace();
		}
		
		System.out.print("Images loaded");
		
		int white = (255 << 24) | (255 << 16) | (255 << 8) | 255;
		
		for (int i=0; i<img2.getWidth()-1;i++) {
			for (int j=0; j<img2.getHeight()-1;j++) {
				img2.setRGB(i, j, white);
			}
		}
		
		try {
			ImageIO.write(img2, "jpg", imageUpdate);
		} catch (IOException e1) {
			// TODO Auto-generated catch block
			e1.printStackTrace();
		}
		
		System.out.print("Whited");
		
		int column=0,row=0;
		
		for (int i = 0; i<img.getWidth()-1;i+=2) {
			for(int j = 0; j<img.getHeight()-1; j+=2) {
				int h = 0, h2 = 0, h3 = 0, h4 = 0, red = 0, green = 0, blue = 0;
				//System.out.printf("%d  %d\n", i, j);
				try {
					h = img.getRGB(i, j); //& 0x00FFFFFF;				____________
					h2 = img.getRGB(i+1, j); //& 0x00FFFFFF;			|___|___|___|
					h3 =img.getRGB(i, j+1); //& 0x00FFFFFF;				|___|_X_|_X_|
					h4 = img.getRGB(i+1, j+1); //& 0x00FFFFFF;			|___|_X_|_X_|
					
					red = (((h>>16)&0xFF)+((h2>>16)&0xFF)+((h3>>16)&0xFF)+((h4>>16)&0xFF))/4;
					green = (((h>>8)&0xFF)+((h2>>8)&0xFF)+((h3>>8)&0xFF)+((h4>>8)&0xFF))/4;
					blue = ((h&0xFF)+(h2&0xFF)+(h3&0xFF)+(h4&0xFF))/4;
					
					System.out.print("averaged");
					
					int combined = (red << 16) | (green << 8) | (blue); 
					
					System.out.printf("Coordinates: %d%-5d", column, row);
					img2.setRGB(column,row,combined);
				} catch (Exception e) {
					e.printStackTrace();
				}
				//System.out.printf("Color: R:%d G:%d B:%d\n", red, green, blue);
				row++;
			}
			column++;
			row=0;
		}
		
		try {
			ImageIO.write(img2, "jpg", imageUpdate);
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		
	}
}