#include "ROIPoint.h"


ROIPoint::ROIPoint()
{
    using namespace HalconCpp;
    numHandles = 1;
    activeHandleIdx = 1; 

    roiType = ROIType::Point;

    midRow = 0;
    midCol = 0;
}

void ROIPoint::createROI(double midX, double midY)
{
    midRow = midY;
    midCol = midX;

    updateArrowHandle();
}

void ROIPoint::drawROI(HTuple winID, double scaleFactor)
{
    Q_UNUSED(scaleFactor);
    int width=handleWidth;
	HObject ho_Rectangle;
    //DispRectangle2(winID, HTuple(midRow), HTuple(midCol), 0, width, width);
	GenRectangle2ContourXld(&ho_Rectangle, HTuple(midRow), HTuple(midCol), 0, width, width);
	DispObj(ho_Rectangle, winID);
   // if (arrowHandleXLD.IsInitialized()==false)
    {
        updateArrowHandle();
    }

    DispObj(arrowHandleXLD, winID);  //window.DispRectangle2( row2, col2, 0, 5, 5);
 
    HObject ho_Cross;
    GenCrossContourXld(&ho_Cross, midRow, midCol, 40, 0);
    DispObj(ho_Cross, winID);

    //DispCircle(winID, midRow, midCol, 20);
	HObject ho_ContCircle;
	GenCircleContourXld(&ho_ContCircle, midRow, midCol, 20, 0, 6.28318, "positive", 1);
	DispObj(ho_ContCircle, winID);
}

double ROIPoint::distToClosestHandle(double x, double y)
{
    double max = 10000;
	double val[3] = {0};

    val[0] = HMisc::DistancePp(y, x, midRow, midCol); // upper left
   
    for (int i = 0; i < numHandles; i++)
    {
        if (val[i] < max)
        {
            max = val[i];
            activeHandleIdx = i;
        }
    }// end of for

    return val[activeHandleIdx];
}

void ROIPoint::displayActive(HTuple winID, double scaleFactor)
{
    Q_UNUSED(scaleFactor);
	HObject ho_Rectangle;
    int width=handleWidth;
    switch (activeHandleIdx)
    {
    case 0:
        //DispRectangle2(winID, HTuple(midRow), HTuple(midCol), 0, width / 2, width / 2 );
		GenRectangle2ContourXld(&ho_Rectangle, HTuple(midRow), HTuple(midCol), 0, width / 2, width / 2);
		DispObj(ho_Rectangle, winID);
        break;
    case 1:
        DispObj(arrowHandleXLD, winID); //window.DispRectangle2(row2, col2, 0, 5, 5);
        break;
    }
}

void ROIPoint::moveByHandle(double newX, double newY)
{
  
    switch (activeHandleIdx)
    {
    case 0: // first end point
       
        midRow = newY;
        midCol = newX;
        break;

    }
    updateArrowHandle();
}

QCursor ROIPoint::showByHandle()
{
	QCursor cursor;
    cursor = Qt::SizeBDiagCursor;
	
	return cursor;
}

HRegion ROIPoint::getRegion()
{
    HRegion region;
    region.GenRectangle2((midRow), (midCol),0.0 , (handleWidth), (handleWidth));
    return region;
}

HTuple ROIPoint::getROIData()
{
    HTuple dat;
    dat.Clear();
    dat[0] = midRow;
    dat[1] = midCol;
   
    return dat;
}


void ROIPoint::setROIData(HTuple dat)
{
	if (dat.TupleLength() == 2)
	{
		midRow = dat[0];
		midCol = dat[1];
	}
}



void ROIPoint::save(QDataStream& dataStream)
{
    ROI::save(dataStream);
	int paranum;//参数数量
	paranum = 3;
    dataStream << paranum;//先保存参数数量

    dataStream << (int)1 << midRow;
    dataStream << (int)2 << midCol;
    dataStream << (int)3 << m_strTitle;
}

void ROIPoint::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 >> midRow;						break;
		case 2:			  dataStream >> midCol;						break;
		case 3:		      dataStream >> m_strTitle;				break;


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

void ROIPoint::updateArrowHandle()
{
    using namespace HalconCpp;
 
    arrowHandleXLD.GenEmptyObj();

	//GenRectangle2(&arrowHandleXLD, HTuple(midRow),HTuple(midCol), 0, handleWidth, handleWidth);
	GenCrossContourXld(&arrowHandleXLD, HTuple(midRow), HTuple(midCol), handleWidth * 2, 0);
}