Android人脸抠图（人脸抠图app）

package com.qintian.face;
 
import android.app.Activity;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.PointF;
import android.media.FaceDetector;
import android.media.FaceDetector.Face;
import android.os.Bundle;
import android.view.View;
 
public class MainActivity extends Activity {
 /** Called when the activity is first created. */
 @Override
 public void onCreate(Bundle savedInstanceState) {
 super.onCreate(savedInstanceState);
 setContentView(new myView(this));
 }
 
 private class myView extends View{
 
 private int imageWidth, imageHeight;
 private int numberOfFace = 5;
 private FaceDetector myFaceDetect;
 private FaceDetector.Face[] myFace;
 float myEyesDistance;
 int numberOfFaceDetected;
 
 Bitmap myBitmap;
 
 public myView(Context context) {
 super(context);
 BitmapFactory.Options BitmapFactoryOptionsbfo = new BitmapFactory.Options();
 BitmapFactoryOptionsbfo.inPreferredConfig = Bitmap.Config.RGB_565;
 myBitmap = BitmapFactory.decodeResource(getResources(), R.drawable.p1, BitmapFactoryOptionsbfo);
 imageWidth = myBitmap.getWidth();
 imageHeight = myBitmap.getHeight();
 myFace = new FaceDetector.Face[numberOfFace];
 myFaceDetect = new FaceDetector(imageWidth, imageHeight, numberOfFace);
 numberOfFaceDetected = myFaceDetect.findFaces(myBitmap, myFace);
 }
 
 protected void onDraw(Canvas canvas) {
 // TODO Auto-generated method stub
 
 canvas.drawBitmap(myBitmap, 0, 0, null);
 
 Paint myPaint = new Paint();
 myPaint.setColor(Color.GREEN);
 myPaint.setStyle(Paint.Style.STROKE);
 myPaint.setStrokeWidth(3);
 
 for(int i=0; i < numberOfFaceDetected; i++)
 {
 Face face = myFace[i];
 PointF myMidPoint = new PointF();
 face.getMidPoint(myMidPoint);
 myEyesDistance = face.eyesDistance();
 canvas.drawRect(
 (int)(myMidPoint.x - myEyesDistance*2),
 (int)(myMidPoint.y - myEyesDistance*2),
 (int)(myMidPoint.x + myEyesDistance*2),
 (int)(myMidPoint.y + myEyesDistance*2),
 myPaint);
 }
 }
 }
}