/*
 * File: DrawFlag.java
 * -----------------------------
 * Draws various flags from around the world (that have
 * only horizontal bands)
 */

import java.awt.Color;

import acm.graphics.*;
import acm.program.*;
import acm.util.RandomGenerator;

public class Surat extends GraphicsProgram {

	private static final int NUM_POINTS = 30000;
	private static final int CIRCLE_RADIUS = 6;
	RandomGenerator rg = new RandomGenerator();

	private static final String IMG_NAME = "snowmanBuddha.jpg";

	public void run() {	
		setBackground(Color.BLACK);

		// make a new GImage
		GImage img = new GImage(IMG_NAME);

		// get the matrix of pixels for the image
		int[][] pixels = img.getPixelArray();

		// make the surat filter image
		for(int i = 0; i < NUM_POINTS; i++) {
			int r = rg.nextInt(pixels.length);
			int c = rg.nextInt(pixels[0].length);
			// get the color at r, c
			int rgb = pixels[r][c];
			Color pixelColor = new Color(rgb);

			// draw a color Circle
			addColoredCircle(r, c, pixelColor);

			if(i < 2000) {
				pause(1);
			}

		}
	}

	private void addColoredCircle(int row, int col, Color c) {
		double size = CIRCLE_RADIUS * 2;
		GOval oval = new GOval(size, size);
		oval.setFilled(true);
		oval.setColor(c);
		add(oval, col - CIRCLE_RADIUS, row - CIRCLE_RADIUS);
	}

	private void printMatrix(int[][] matrix) {
		System.out.println("Num rows: " + matrix.length);
		System.out.println("Num cols: " + matrix[0].length);
		System.out.println("[");
		// print the first three rows
		for(int r = 0; r < 3; r++) {
			printRow(matrix[r]);
		}
		System.out.println(" ...");
		// print the last three rows
		for(int r = matrix.length - 3; r < matrix.length; r++) {
			printRow(matrix[r]);
		}
		System.out.println("]");
	}

	private void printRow(int[] row) {
		String line = "";
		// print first three elems
		for(int c = 0; c < 3; c++) {
			line += row[c];
			line += ", ";
		}
		line += "...";
		// print last three elems
		for(int c = row.length - 3; c < row.length; c++) {
			if(c != 0) line += ", ";
			line += row[c];
		}
		System.out.println(" [" + line + "],");
	}

	public static final int APPLICATION_WIDTH = 800;
	public static final int APPLICATION_HEIGHT = 600;

}