#include "DetUtils.h"

NAMESPACE_MAS_BEGIN

NAMESPACE_DETUTILS_BEGIN

TZ_BOOL IsInRoi(const TZ_DOUBLE & ltx, const TZ_DOUBLE & lty, 
	const TZ_DOUBLE & rbx, const TZ_DOUBLE & rby,
	const std::vector<AreaBox> & focusArea, 
	const std::vector<AreaBox> & ignoreArea,
	const TZ_DOUBLE & roiThreshold)
{
	if (focusArea.empty() && ignoreArea.empty()) return TRUE;

	TZ_DOUBLE objArea = std::max(rbx - ltx, 0.0) 
		* std::max(rby - lty, 0.0);

	if (!focusArea.empty())
	{
		TZ_BOOL ret = FALSE;
		for (auto & area : focusArea)
		{
			TZ_DOUBLE left = std::max(ltx, area.LTX);
			TZ_DOUBLE top = std::max(lty, area.LTY);
			TZ_DOUBLE right = std::min(rbx, area.RBX);
			TZ_DOUBLE bottom = std::min(rby, area.RBY);

			TZ_DOUBLE dupe = std::max(right - left, 0.0) 
				* std::max(bottom - top, 0.0);

			if (dupe / objArea >= roiThreshold)
			{
				ret = TRUE;
				break;
			}
		}

		return ret;
	}

	TZ_BOOL ret = TRUE;
	for (auto & area : ignoreArea)
	{
		TZ_DOUBLE left = std::max(ltx, area.LTX);
		TZ_DOUBLE top = std::max(lty, area.LTY);
		TZ_DOUBLE right = std::min(rbx, area.RBX);
		TZ_DOUBLE bottom = std::min(rby, area.RBY);

		TZ_DOUBLE dupe = std::max(right - left, 0.0) 
			* std::max(bottom - top, 0.0);

		if (dupe / objArea >= roiThreshold)
		{
			ret = FALSE;
			break;
		}
	}

	return ret;
}

TZ_INT GetDetSample(TZ_INT freq)
{
	std::vector<TZ_INT> gaps {1, 3, 5, 12, 25};

	return gaps[freq];
}

NAMESPACE_DETUTILS_END

NAMESPACE_MAS_END