ColoringAndroid

package com.example.PaintDemo;


import android.app.Activity;
import android.graphics.Bitmap;
import android.graphics.Bitmap.Config;
import android.graphics.BitmapFactory;
import android.graphics.Canvas;
import android.graphics.drawable.BitmapDrawable;
import android.os.Bundle;
import android.view.MotionEvent;
import android.view.View;
import android.widget.ImageView;
import android.view.View.OnTouchListener;

public class ColoringAndroidActivity extends Activity implements OnTouchListener{
    /** Called when the activity is first created. */
	private ImageView imageView;
	private Canvas cv;
	private Bitmap mask, original, colored;
	private int r,g,b;
	private int sG, sR, sB;
	@Override
	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.coloring_android);
		//((ImageView)findViewById(R.id.coringImage)).setImageDrawable(R.drawable.original);
		imageView = (ImageView)findViewById(R.id.coringImage);
		imageView.setOnTouchListener(this);

		mask = BitmapFactory.decodeResource(getResources(), R.drawable.mask); // Mask Image
		original = BitmapFactory.decodeResource(getResources(), R.drawable.original); // Original Image Without Color

		colored = Bitmap.createBitmap(mask.getWidth(), mask.getHeight(), Config.ARGB_8888);
		//cv = new Canvas(colored);
		//cv.drawBitmap(original, 0,0, null);
		cv = new Canvas(colored);
		cv.drawBitmap(original, 0,0, null);
		imageView.setImageBitmap(original);

	}

	int ANTILAISING_TOLERANCE = 70;

	public boolean onTouch(View arg0, MotionEvent arg1) {
		//mask = BitmapFactory.decodeResource(getResources(), R.drawable.mask);
		int selectedColor = mask.getPixel((int)arg1.getX(),(int)arg1.getY());
		sG = (selectedColor & 0x0000FF00) >> 8;
		sR = (selectedColor & 0x00FF0000) >> 16;
		sB = (selectedColor & 0x000000FF);
		System.out.println("SG :"+((selectedColor & 0x0000FF00) >> 8));
		System.out.println("SR :"+((selectedColor & 0x00FF0000) >> 16));
		System.out.println("SB :"+(selectedColor & 0x000000FF));

		//original = BitmapFactory.decodeResource(getResources(), R.drawable.original);
//		colored = Bitmap.createBitmap(mask.getWidth(), mask.getHeight(), Config.ARGB_8888);

		for(int x = 0; x < mask.getWidth(); x++){
			for(int y = 0; y < mask.getHeight(); y++){

				g = (mask.getPixel(x,y) & 0x0000FF00) >> 8;
            	r = (mask.getPixel(x,y) & 0x00FF0000) >> 16;
            	b = (mask.getPixel(x,y) & 0x000000FF);

            	//System.out.println("r: "+r+", g: "+g+", b: "+b);


            	if(Math.abs(sR - r) < ANTILAISING_TOLERANCE && Math.abs(sG - g) < ANTILAISING_TOLERANCE && Math.abs(sB - b) < ANTILAISING_TOLERANCE)
            		colored.setPixel(x, y, (colored.getPixel(x, y) & 0xFFFF0000));
			}
		}

		imageView.setImageBitmap(colored);
		imageView.invalidate();
		return true;
	}
}