package progowanie2;

import java.awt.Color;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;

import javax.imageio.ImageIO;

public class main {

	public static void main(String[] args)
	{
		try
		{
			BufferedImage original = ImageIO.read(new File("count5.bmp"));
			BufferedImage binarized = new BufferedImage(original.getWidth(), original.getHeight(),BufferedImage.TYPE_BYTE_BINARY);

			int red;
			int green;
			int newPixel = 0;
			int threshold = 200;



	for(int i=0; i<original.getWidth(); i++)
	{
		for(int j=0; j<original.getHeight(); j++)
		{

// Get pixels
		red = new Color(original.getRGB(i, j)).getRed();
		green = new Color(original.getRGB(i, j)).getGreen();

		int alpha = new Color(original.getRGB(i, j)).getAlpha();

		if(red > threshold & green > threshold)
		{
			newPixel = 255;
		}
		else
		{
			newPixel = 0;
		}
		newPixel = colorToRGB(alpha, newPixel, newPixel, newPixel);
		binarized.setRGB(i, j, newPixel);

		}
}
ImageIO.write(binarized, "jpg",new File("blackwhiteimage.jpg") );

int count_black = 0;
int score;

for(int i=0; i<binarized.getWidth(); i++)
{
	for(int j=0; j<binarized.getHeight(); j++)
	{
		red = new Color(original.getRGB(i, j)).getRed();
		green = new Color(original.getRGB(i, j)).getGreen();
		if(red > threshold & green > threshold){
			count_black += 1;
		}
	}
}
score = count_black/9000;
System.out.println(score);

}
catch (IOException e)
{
e.printStackTrace();
}
}

private static int colorToRGB(int alpha, int red, int green, int blue) {
int newPixel = 0;
	newPixel += alpha;
	newPixel = newPixel << 8;
	newPixel += red; newPixel = newPixel << 8;
	newPixel += green; newPixel = newPixel << 8;
	newPixel += blue;

return newPixel;
}
}