null-product

null-product / CanvasView.java

Last active November 30, 2020 22:07

CanvasでBitmap画像に図形を重ねて描画

	public class CanvasView extends View {
	private Bitmap mBitmap;
	List<List<Point>> mPoints;

	public CanvasView(Context context, AttributeSet attrs) {
	super(context, attrs);

	mBitmap = null;
	mPoints = null;
	}

null-product / MainActivity.java

Last active November 30, 2020 22:07

OpenCVでBitmapから四角形を抽出するサンプル

	public class MainActivity extends AppCompatActivity {

	static {
	System.loadLibrary("opencv_java3");
	}

	@Override
	protected void onCreate(Bundle savedInstanceState) {
	super.onCreate(savedInstanceState);
	setContentView(R.layout.activity_main);