ImageReader.java

import java.io.*;
import javax.imageio.ImageIO;
import java.awt.image.BufferedImage;
import java.awt.Color;
import java.util.*;

public class ImageReader {
    private Pixel[][] pixels;
    private int width, height;
    private Plane[] rgbPlanes, alphaPlanes;

    public ImageReader(String fileName) throws IOException {
        BufferedImage image = ImageIO.read(new File(fileName));

        width = image.getWidth();
        height = image.getHeight();

        pixels = new Pixel[height][width];

        System.out.println("Height: " + height + " Width: " + width);

        for(int j = 0; j < height; j++) for(int k = 0; k < width; k++) pixels[j][k] = new Pixel(image.getRGB(k, j));

        planify();
    }

    public ImageReader() throws IOException {
        this("Vessel.png");
    }

    public Plane[] getRGBPlanes() {
        return rgbPlanes;
    }

    public Plane[] getAlphaPlanes() {
        return alphaPlanes;
    }

    public void planify() throws IOException {
        rgbPlanes = new Plane[24];
        alphaPlanes = new Plane[8];

        for(int i = 0; i < 24; i++) { //24 rgb bit planes
            int[][] rgb = new int[height][width];
            for(int j = 0; j < height; j++) for(int k = 0; k < width; k++) rgb[j][k] = pixels[j][k].getCGCBit(i);
            rgbPlanes[i] = new Plane(rgb, i);
        }

        for(int i = 0; i < 8; i++) {
            int[][] alpha = new int[height][width];
            for(int j = 0; j < height; j++) for(int k = 0; k < width; k++) alpha[j][k] = pixels[j][k].getAlphaBit(i);
            alphaPlanes[i] = new Plane(alpha, i);
        }

    }

    public List<Segment> getHiderSegments() {
        List<Segment> hiderSegments = new ArrayList<Segment>();
        for(int i = 0; i < 24; i++) hiderSegments.addAll(rgbPlanes[i].getComplexSegmentsOfPlane());
        for(int i = 0; i < 1; i++) hiderSegments.addAll(alphaPlanes[i].getAllSegments());
        return hiderSegments;
    }

}