package de.uniks.rubiksapp;

import android.content.res.Resources;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.robolectric.RobolectricTestRunner;
import org.robolectric.RuntimeEnvironment;

import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;

@RunWith(RobolectricTestRunner.class)
public class TestBitmap {

    @Test
    public void testBitmap() {

        Resources resources = RuntimeEnvironment.application.getResources();

        InputStream testImageStream = resources.openRawResource(R.drawable.test_front);

        Bitmap testImageBitmap = BitmapFactory.decodeStream(testImageStream);

        //Bitmap testImageBitmap = BitmapFactory.decodeResource(resources, R.drawable.test_front);

        // --- Pixel readout would be here --- //

        System.out.println(testImageBitmap.getWidth() + "x" + testImageBitmap.getHeight() + "px");

        FileOutputStream out = null;
        try {
            out = new FileOutputStream("test.png");
            testImageBitmap.compress(Bitmap.CompressFormat.PNG, 100, out);
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            try {
                if (out != null) {
                    out.close();
                }
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
}