/*
    Scan Tailor - Interactive post-processing tool for scanned pages.
    Copyright (C) 2007-2009  Joseph Artsimovich <joseph_a@mail.ru>

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

#include "SEDM.h"
#include "BinaryImage.h"
#include "BWColor.h"
#include "Utils.h"
#include <iostream>
#include <QImage>
#include <boost/test/auto_unit_test.hpp>

#include <math.h>

namespace imageproc
{

namespace tests
{

using namespace utils;

BOOST_AUTO_TEST_SUITE(SEDMTestSuite);

bool verifySEDM(SEDM const& sedm, uint32_t const* control)
{
	uint32_t const* line = sedm.data();
	for (int y = 0; y < sedm.size().height(); ++y) {
		for (int x = 0; x < sedm.size().width(); ++x) {
			if (line[x] != *control) {
				return false;
			}
			++control;
		}
		line += sedm.stride();
	}
	return true;
}

void dumpMatrix(uint32_t const* data, QSize size)
{
	int const width = size.width();
	int const height = size.height();
	for (int y = 0; y < height; ++y) {
		for (int x = 0; x < width; ++x, ++data) {
			std::cout << *data << ' ';
		}
		std::cout << std::endl;
	}
}

BOOST_AUTO_TEST_CASE(test1)
{
	static int const inp[] = {
		0, 0, 0, 0, 0, 0, 0, 0, 0,
		0, 0, 0, 0, 0, 0, 0, 0, 0,
		0, 0, 1, 1, 1, 1, 1, 0, 0,
		0, 0, 1, 1, 1, 1, 1, 0, 0,
		0, 0, 1, 1, 1, 1, 1, 0, 0,
		0, 0, 1, 1, 1, 1, 1, 0, 0,
		0, 0, 1, 1, 1, 1, 1, 0, 0,
		0, 0, 0, 0, 0, 0, 0, 0, 0,
		0, 0, 0, 0, 0, 0, 0, 0, 0
	};
	
	static uint32_t const out[] = {
		0, 0, 0, 0, 0, 0, 0, 0, 0,
		0, 0, 0, 0, 0, 0, 0, 0, 0,
		0, 0, 1, 1, 1, 1, 1, 0, 0,
		0, 0, 1, 4, 4, 4, 1, 0, 0,
		0, 0, 1, 4, 9, 4, 1, 0, 0,
		0, 0, 1, 4, 4, 4, 1, 0, 0,
		0, 0, 1, 1, 1, 1, 1, 0, 0,
		0, 0, 0, 0, 0, 0, 0, 0, 0,
		0, 0, 0, 0, 0, 0, 0, 0, 0
	};
	
	BinaryImage const img(makeBinaryImage(inp, 9, 9));
	SEDM const sedm(img, SEDM::DIST_TO_WHITE, SEDM::DIST_TO_NO_BORDERS);
	BOOST_CHECK(verifySEDM(sedm, out));
}

BOOST_AUTO_TEST_SUITE_END();

} // namespace tests

} // namespace imageproc
