VisionPlus_V3.0/ShowUnit/ROI.cpp

#include "ROI.h"
#include "ROICircle.h"
#include "ROICircularArc.h"
#include "ROILine.h"
#include "ROIRect1.h"
#include"ROIRect2.h"
#include "MyStream.h"
using namespace HalconCpp;
ROI::ROI()
{
    numHandles = 0;
    activeHandleIdx = 0;
    roiType = ROIType::Point;

    operatorFlag = ROIOperation::None;
}

void ROI::setOperatorFlag(ROIOperation flag)
{
    operatorFlag = flag;
    switch (operatorFlag)
    {
    case ROIOperation::Positive:
        flagLineStyle = HTuple();
        break;
    case ROIOperation::Negative:
        flagLineStyle = HTuple(8, 8);
        break;
    default:
        flagLineStyle = HTuple(1,1);
        break;
    }

}


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


void ROI::setHandleWidth(int width)
{
handleWidth=width;
}


void ROI::save(QDataStream &dataStream)
{
    int x = (int)operatorFlag;
    dataStream << x;
    dataStream << flagLineStyle;
}

void ROI::load(QDataStream &dataStream)
{
    int x;
    dataStream >> x;
    dataStream >> flagLineStyle;
    operatorFlag = ROIOperation(x);
}

//#ifndef QT_NO_DATASTREAM
 QDataStream & operator<<(QDataStream &dataStream, ROI &roi)
{
     dataStream << QString(roi.metaObject()->className());//将对象的类名写入流中
     roi.save(dataStream);
     return dataStream;
}
 QDataStream & operator>>(QDataStream &dataStream, ROI **roi)
 {
     QString str;
     dataStream >> str;
     *roi = NULL;
     if (str ==QString("ROILine"))   //根据类名字符串生成相应类的对象
     {
         *roi = new ROILine;
         (*roi)->load(dataStream);
         return dataStream;
     }
     if (str == QString("ROICircle"))
     {
         *roi = new ROICircle;
         (*roi)->load(dataStream);
         return dataStream;
     }
     if (str == QString("ROICircularArc"))
     {
         *roi = new ROICircularArc;
         (*roi)->load(dataStream);
         return dataStream;
     }
     if (str == QString("ROIRect1"))
     {
         *roi = new ROIRect1;
         (*roi)->load(dataStream);
         return dataStream;
     }
     if (str == QString("ROIRect2"))
     {
         *roi = new ROIRect2;
         (*roi)->load(dataStream);
         return dataStream;
     }
	 if (str == QString("ROIPoint"))
	 {
		 *roi = new ROIPoint;
		 (*roi)->load(dataStream);
		 return dataStream;
	 }

     return dataStream;
 }
//#endif