#include "opencv2/core.hpp"

#include <QDebug>

using namespace cv;


void core__mat_the_basic_image_container()
{
	QTextStream	cout(stdout);

	Mat M(2,2, CV_8UC3, Scalar(0,0,255));
//    qDebug() << "M = " << endl << " " << M << endl << endl;
	//! [constructor]

	// create by using the create function()
	//! [create]
	M.create(4,4, CV_8UC(2));
//    qDebug() << "M = "<< endl << " "  << M << endl << endl;
	//! [create]

	// create multidimensional matrices
	//! [init]
	int sz[3] = {2,2,2};
	Mat L(3,sz, CV_8UC(1), Scalar::all(0));
	//! [init]

	// Cannot print via operator <<

	// Create using MATLAB style eye, ones or zero matrix
	//! [matlab]
	Mat E = Mat::eye(4, 4, CV_64F);
//	qDebug() << "E = " << endl << " " << E << endl << endl;
	Mat O = Mat::ones(2, 2, CV_32F);
//	qDebug() << "O = " << endl << " " << O << endl << endl;
	Mat Z = Mat::zeros(3,3, CV_8UC1);
//	qDebug() << "Z = " << endl << " " << Z << endl << endl;
	//! [matlab]

	// create a 3x3 double-precision identity matrix
	//! [comma]
	Mat C = (Mat_<double>(3,3) << 0, -1, 0, -1, 5, -1, 0, -1, 0);
//	qDebug() << "C = " << endl << " " << C << endl << endl;
	//! [comma]
	// do the same with initializer_list
#ifdef CV_CXX11
	//! [list]
	C = (Mat_<double>({0, -1, 0, -1, 5, -1, 0, -1, 0})).reshape(3);
//	qDebug() << "C = " << endl << " " << C << endl << endl;
	//! [list]
#endif
	//! [clone]
	Mat RowClone = C.row(1).clone();
//	qDebug() << "RowClone = " << endl << " " << RowClone << endl << endl;
	//! [clone]

	// Fill a matrix with random values
	//! [random]
	Mat R = Mat(3, 2, CV_8UC3);
	randu(R, Scalar::all(0), Scalar::all(255));
	//! [random]

	// Demonstrate the output formatting options
	//! [out-default]
//	qDebug() << "R (default) = " << endl <<        R           << endl << endl;
	//! [out-default]
	//! [out-python]
	qDebug() << "R (python)  = " << endl << format(R, Formatter::FMT_PYTHON) << endl << endl;
	//! [out-python]
	//! [out-numpy]
	qDebug() << "R (numpy)   = " << endl << format(R, Formatter::FMT_NUMPY ) << endl << endl;
	//! [out-numpy]
	//! [out-csv]
	qDebug() << "R (csv)     = " << endl << format(R, Formatter::FMT_CSV   ) << endl << endl;
	//! [out-csv]
	//! [out-c]
	qDebug() << "R (c)       = " << endl << format(R, Formatter::FMT_C     ) << endl << endl;
	//! [out-c]

	//! [out-point2]
	Point2f P(5, 1);
//	qDebug() << "Point (2D) = " << P << endl << endl;
	//! [out-point2]

	//! [out-point3]
	Point3f P3f(2, 6, 7);
//	qDebug() << "Point (3D) = " << P3f << endl << endl;
	//! [out-point3]

	//! [out-vector]
	std::vector<float> v;
	v.push_back( (float)CV_PI);   v.push_back(2);    v.push_back(3.01f);
//	qDebug() << "Vector of floats via Mat = " << Mat(v) << endl << endl;
	//! [out-vector]

	//! [out-vector-points]
	std::vector<Point2f> vPoints(20);
	for (size_t i = 0; i < vPoints.size(); ++i)
		vPoints[i] = Point2f((float)(i * 5), (float)(i % 7));
//	qDebug() << "A vector of 2D Points = " << vPoints << endl << endl;
	//! [out-vector-points]
}