#include "ROIRect1.h"

ROIRect1::ROIRect1()
{
	numHandles = 5; // 4 corner points + midpoint
	activeHandleIdx = 4;

	roiType = ROIType::Rectangle1;

	midR = 0;
	midC = 0;
	row1 = 0;
	col1 = 0;

	row2 = 0;
	col2 = 0;
}

void ROIRect1::createROI(double midX, double midY)
{
	midR = midY;
	midC = midX;

	row1 = midR - 50;
	col1 = midC - 50;
	row2 = midR + 50;
	col2 = midC + 50;
}

void ROIRect1::drawROI(HTuple winID, double scaleFactor)
{
	Q_UNUSED(scaleFactor);
	int width = handleWidth;
	HObject ho_Rectangle;
	DispRectangle1(winID, row1, col1, row2, col2);
	//DispRectangle2(winID, row1, col1, 0, width, width);
	//DispRectangle2(winID, row1, col2, 0, width, width);
	//DispRectangle2(winID, row2, col2, 0, width, width);
	//DispRectangle2(winID, row2, col1, 0, width, width);
	//DispRectangle2(winID, midR, midC, 0, width, width);
	//GenRectangle2ContourXld(&ho_Rectangle, row1, col1, 0, row2, col2);
	//DispObj(ho_Rectangle, winID);
	GenRectangle2ContourXld(&ho_Rectangle, row1, col1, 0, width, width);
	DispObj(ho_Rectangle, winID);
	GenRectangle2ContourXld(&ho_Rectangle, row1, col2, 0, width, width);
	DispObj(ho_Rectangle, winID);
	GenRectangle2ContourXld(&ho_Rectangle, row2, col2, 0, width, width);
	DispObj(ho_Rectangle, winID);
	GenRectangle2ContourXld(&ho_Rectangle, row2, col1, 0, width, width);
	DispObj(ho_Rectangle, winID);
	GenRectangle2ContourXld(&ho_Rectangle, midR, midC, 0, width, width);
	DispObj(ho_Rectangle, winID);
	SetTposition(winID, row1, col1 + width);
	WriteString(winID, HTuple(m_strTitle.toStdString().c_str()));
}

double ROIRect1::distToClosestHandle(double x, double y)
{
	double max = 10000;

	double val[5];
	midR = ((row2 - row1) / 2) + row1;
	midC = ((col2 - col1) / 2) + col1;

	val[0] = HMisc::DistancePp(y, x, row1, col1); // upper left
	val[1] = HMisc::DistancePp(y, x, row1, col2); // upper right
	val[2] = HMisc::DistancePp(y, x, row2, col2); // lower right
	val[3] = HMisc::DistancePp(y, x, row2, col1); // lower left
	val[4] = HMisc::DistancePp(y, x, midR, midC); // midpoint

	for (int i = 0; i < numHandles; i++)
	{
		if (val[i] < max)
		{
			max = val[i];
			activeHandleIdx = i;
		}
	}// end of for

	return val[activeHandleIdx];
}

void ROIRect1::displayActive(HTuple winID, double scaleFactor)
{
	Q_UNUSED(scaleFactor);
	HObject ho_Rectangle;
	int width = handleWidth;
	switch (activeHandleIdx)
	{
	case 0:
		//DispRectangle2(winID, row1, col1, 0, width, width);
		GenRectangle2ContourXld(&ho_Rectangle, row1, col1, 0, width, width);
		DispObj(ho_Rectangle, winID);
		break;
	case 1:
		//DispRectangle2(winID, row1, col2, 0, width, width);
		GenRectangle2ContourXld(&ho_Rectangle, row1, col2, 0, width, width);
		DispObj(ho_Rectangle, winID);
		break;
	case 2:
		//DispRectangle2(winID, row2, col2, 0, width, width);
		GenRectangle2ContourXld(&ho_Rectangle, row2, col2, 0, width, width);
		DispObj(ho_Rectangle, winID);
		break;
	case 3:
		//DispRectangle2(winID, row2, col1, 0, width, width);
		GenRectangle2ContourXld(&ho_Rectangle, row2, col1, 0, width, width);
		DispObj(ho_Rectangle, winID);
		break;
	case 4:
		//DispRectangle2(winID, midR, midC, 0, width, width);
		GenRectangle2ContourXld(&ho_Rectangle, midR, midC, 0, width, width);
		DispObj(ho_Rectangle, winID);
		break;
	}
}

void ROIRect1::moveByHandle(double newX, double newY)
{
	double len1, len2;
	double tmp;

	switch (activeHandleIdx)
	{
	case 0: // upper left
		row1 = newY;
		col1 = newX;
		break;
	case 1: // upper right
		row1 = newY;
		col2 = newX;
		break;
	case 2: // lower right
		row2 = newY;
		col2 = newX;
		break;
	case 3: // lower left
		row2 = newY;
		col1 = newX;
		break;
	case 4: // midpoint
		len1 = ((row2 - row1) / 2);
		len2 = ((col2 - col1) / 2);

		row1 = newY - len1;
		row2 = newY + len1;

		col1 = newX - len2;
		col2 = newX + len2;

		break;
	}

	if (row2 <= row1)
	{
		tmp = row1;
		row1 = row2;
		row2 = tmp;
	}

	if (col2 <= col1)
	{
		tmp = col1;
		col1 = col2;
		col2 = tmp;
	}

	midR = ((row2 - row1) / 2) + row1;
	midC = ((col2 - col1) / 2) + col1;
}

QCursor ROIRect1::showByHandle()
{
	QCursor cursor;
	switch (activeHandleIdx)
	{
	case 0: // 鼠标在圆上的一点时

		cursor = Qt::SizeAllCursor;
		break;
	case 1: // 鼠标在圆心上时
		cursor = Qt::SizeBDiagCursor;
		break;
	}
	return cursor;
}

HRegion ROIRect1::getRegion()
{
	HRegion region;
	region.GenRectangle1(row1, col1, row2, col2);
	return region;
}

HTuple ROIRect1::getROIData()
{
	HTuple dat;
	dat.Clear();
	dat[0] = row1;
	dat[1] = col1;
	dat[2] = row2;
	dat[3] = col2;
	return dat;
}

void ROIRect1::setROIData(HTuple dat)
{
	if (dat.TupleLength() == 4)
	{
		row1 = dat[0];
		col1 = dat[1];
		row2 = dat[2];
		col2 = dat[3];

		midR = ((row2 - row1) / 2) + row1;
		midC = ((col2 - col1) / 2) + col1;
	}
}

void ROIRect1::save(QDataStream &dataStream)
{
	ROI::save(dataStream);

	int paranum;//参数数量
	paranum = 7;
	dataStream << paranum;//先保存参数数量

	dataStream << (int)1 << row1;
	dataStream << (int)2 << col1;
	dataStream << (int)3 << row2;
	dataStream << (int)4 << col2;
	dataStream << (int)5 << midR;
	dataStream << (int)6 << midC;
	dataStream << (int)7 << m_strTitle;
}

void ROIRect1::load(QDataStream &dataStream)
{
	ROI::load(dataStream);

	int paranum;//参数数量
	int para;
	dataStream >> paranum;//读取参数数量
	for (int i = 0; i < paranum; i++)
	{
		dataStream >> para;
		switch (para)
		{
		case 1:			  dataStream >> row1;					break;
		case 2:			  dataStream >> col1;			        break;
		case 3:			  dataStream >> row2;			        break;
		case 4:			  dataStream >> col2;					break;
		case 5:			  dataStream >> midR;					break;
		case 6:			  dataStream >> midC;					break;
		case 7:			  dataStream >> m_strTitle;				break;


		default:
		{
			qWarning() << "配置文档错误!";
		}
		break;
		}
	}
}

void ROIRect1::setTitle(QString title)
{
	m_strTitle = title;
}