package com.zhuangwu.camera;

import org.opencv.android.BaseLoaderCallback;

import org.opencv.android.CameraBridgeViewBase;

import org.opencv.android.CameraBridgeViewBase.CvCameraViewFrame;

import org.opencv.android.CameraBridgeViewBase.CvCameraViewListener2;

import org.opencv.android.LoaderCallbackInterface;

import org.opencv.android.OpenCVLoader;

import org.opencv.core.Mat;

import android.app.Activity;

import android.os.Bundle;

import android.util.Log;

import android.view.Menu;

import android.view.MenuItem;

import android.view.WindowManager;

public class MainActivity extends Activity implements CvCameraViewListener2 {

    private CameraBridgeViewBase mOpencvcamera;

    private static final String TAG="OCVSample::Activity";

        private BaseLoaderCallback mLoaderCallback=new BaseLoaderCallback(this){

    public void onManagerConnected(int status){

                    switch(status)

                    {

                             case LoaderCallbackInterface.SUCCESS:

                             {

                                     Log.i(TAG,"Opencv loaded successfully");

                                     mOpencvcamera.enableView();

                             }break;

                             default:

                             {

                                     super.onManagerConnected(status);

                             }break;

                    }

            }

    };

    public MainActivity(){

            Log.i(TAG, "Instantiated new " + this.getClass());

    }

        @Override

        protected void onCreate(Bundle savedInstanceState) {

                super.onCreate(savedInstanceState);

                getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);

                setContentView(R.layout.activity_main);

                mOpencvcamera=(CameraBridgeViewBase) findViewById(R.id.fd_activity_surface_view);

                mOpencvcamera.setVisibility(CameraBridgeViewBase.VISIBLE);

                mOpencvcamera.setCvCameraViewListener(this);

        }

         public void onPause()

            {

                super.onPause();

                if (mOpencvcamera != null)

                        mOpencvcamera.disableView();

            }

        public void onResume()

        {

                super.onResume();

                OpenCVLoader.initAsync(OpenCVLoader.OPENCV_VERSION_2_4_11,this, mLoaderCallback);

        }

        @Override

        public void onCameraViewStarted(int width, int height) {

                // TODO Auto-generated method stub        

        }

        @Override

        public void onCameraViewStopped() {

                // TODO Auto-generated method stub

        }

        @Override

        public Mat onCameraFrame(CvCameraViewFrame inputFrame) {

                // TODO Auto-generated method stub

                return inputFrame.rgba();

        }

         public void onDestroy() {

                super.onDestroy();

                mOpencvcamera.disableView();

            }

        @Override

        public boolean onCreateOptionsMenu(Menu menu) {

                // Inflate the menu; this adds items to the action bar if it is present.

                getMenuInflater().inflate(R.menu.main, menu);

                return true;

        }

        @Override

        public boolean onOptionsItemSelected(MenuItem item) {

                // Handle action bar item clicks here. The action bar will

                // automatically handle clicks on the Home/Up button, so long

                // as you specify a parent activity in AndroidManifest.xml.

                int id = item.getItemId();

                if (id == R.id.action_settings) {

                        return true;

                }

                return super.onOptionsItemSelected(item);

        }

}