package com.example.CameraFirstTest;

import android.app.Activity;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.hardware.Sensor;
import android.hardware.SensorEvent;
import android.hardware.SensorEventListener;
import android.hardware.SensorManager;
import android.os.Bundle;
import android.util.Log;
import android.widget.LinearLayout;
import net.yeputons.robotics.libs.CameraData;
import net.yeputons.robotics.libs.CameraListener;
import net.yeputons.robotics.libs.CameraView;

import java.nio.Buffer;

public class MyActivity extends Activity {
    /**
     * Called when the activity is first created.
     */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);

        CameraView view = new CameraView(this);
        ((LinearLayout)findViewById(R.id.linearLayout)).addView(view);
        view.setDataRotation(CameraView.DATA_ROTATION_AUTO);

        view.setCameraListener(new CameraListener() {
            private Bitmap bmp;
            private int[] pixels;

            @Override
            public void onCameraFrame(CameraData data, int cameraDisplayOrientation, Canvas canvas) {
                for (int y = 0; y < data.getHeight() / 2; y++)
                    for (int x = 0; x < data.getWidth() / 4; x++) {
                        int c = data.getColor(x, y);
                        int val = 0;
                        val += c & 0xFF;
                        val += (c >> 8) & 0xFF;
                        val += (c >> 16) & 0xFF;
                        val /= 3;
                        pixels[y * data.getWidth() + x] = (val >= 128) ? Color.WHITE : Color.BLACK;
                    }
                bmp.setPixels(pixels, 0, data.getWidth(), 0, 0, data.getWidth(), data.getHeight());
                Paint myPaint = new Paint();
                canvas.drawBitmap(bmp, 0, 0, myPaint);
            }

            @Override
            public void onCameraFrame(byte[] data, int width, int height, int cameraDisplayOrientation, Canvas canvas) {

            }

            @Override
            public void onSizeChange(int width, int height, int cameraDisplayOrientation) {
                Log.d("onSizeChange", String.format("%d x %d; %d", width, height, cameraDisplayOrientation));
                if (bmp != null) {
                    bmp.recycle();
                }
                bmp = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
                pixels = new int[width * height];
            }
        });
    }
}