安卓 扒開美女 衣服 應用 學習筆記

package com.tang.gril;

import java.io.InputStream;

import android.app.Activity;
import android.app.ActionBar;
import android.app.Fragment;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.BitmapFactory.Options;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Matrix;
import android.graphics.Paint;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.MotionEvent;
import android.view.View;
import android.view.View.OnTouchListener;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.os.Build;

public class MainActivity extends Activity {
	private ImageView before;
	private ImageView after;
	private Canvas canvas;
	private Bitmap alterMap;
	private Paint paint;
	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_main);
		
		before = (ImageView) findViewById(R.id.before);
		System.out.println(before);
		after = (ImageView) findViewById(R.id.after);
		
		BitmapFactory.Options opts = new Options();
		opts.inSampleSize = 2;
		//InputStream is = getResources().openRawResource(R.drawable.ic_launcher);
		//Bitmap beforeMap = BitmapFactory.decodeStream(is);
		Bitmap beforeMap = BitmapFactory.decodeResource(getResources(), R.drawable.before, opts);
		
		Bitmap afterMap = BitmapFactory.decodeResource(getResources(), R.drawable.after, opts);
		alterMap = Bitmap.createBitmap(beforeMap.getWidth(), beforeMap.getHeight(), beforeMap.getConfig());
		paint = new Paint();
		paint.setStrokeWidth(5);
		paint.setColor(Color.BLACK);
		canvas = new Canvas(alterMap);
		canvas.drawBitmap(beforeMap, new Matrix(), paint);
		before.setImageBitmap(beforeMap);
		after.setImageBitmap(afterMap);
		before.setOnTouchListener(new OnTouchListener() {
			public boolean onTouch(View view, MotionEvent event) {
				switch(event.getAction()){
				case MotionEvent.ACTION_DOWN:
					
					break;
				case MotionEvent.ACTION_MOVE:
					int newX = (int) event.getX();
					int newY = (int) event.getY();
					for (int i=-50; i<50; i++) {
						for (int j=-50; j<50; j++) {
							alterMap.setPixel(newX+i, newY+j, Color.TRANSPARENT);
						}
					}
					before.setImageBitmap(alterMap);
					break;
				}
				return true;
			}
		});
	}

}