whellvalue/src/lpbdesigner/RoiScene.cpp

#include "RoiScene.h"
#include<QGraphicsSceneMouseEvent>
#include<QGraphicsRectItem>
#include "RoiItem.h"
#include "QGraphicsSceneEvent"
#include "colossusbase.h"
#pragma execution_character_set("utf-8") 

RoiScene::RoiScene(QObject *parent)
	:QGraphicsScene(parent)
{
	m_bDisableMenu = true;
	m_pImageItem = NULL;
	mpShowImage = NULL;
	m_tCurrentPos = QPoint(0, 0);
	flag = 0;
}

RoiScene::~RoiScene()
{
	m_graphItemMapStruct.clear();
	if (m_pImageItem)
	{
		delete m_pImageItem;
		m_pImageItem = nullptr;
	}
	if (mpShowImage)
	{
		delete mpShowImage;
		mpShowImage = NULL;
	}
	if(pLineItem)
		delete pLineItem;

	if(pTenLineITemH)
		delete pTenLineITemH;
	if (pTenLineITemV)
		delete pTenLineITemV;
}

void RoiScene::mouseEvent(QGraphicsSceneMouseEvent *mouseEvent)
{
	switch (mouseEvent->type()){
	case QEvent::GraphicsSceneMousePress:
		QGraphicsScene::mousePressEvent(mouseEvent);
		break;
	case QEvent::GraphicsSceneMouseMove:
		QGraphicsScene::mouseMoveEvent(mouseEvent);
		break;
	case QEvent::GraphicsSceneMouseRelease:
		QGraphicsScene::mouseReleaseEvent(mouseEvent);
		break;
	}
}

bool RoiScene::Initialize(LP_DETECTOR_ROI_DATA roiData)
{
	if (pLineItem)
	{
		removeItem(pLineItem);
		pLineItem = NULL;
	}
	
	if (pTenLineITemH){
		removeItem(pTenLineITemH);
		pTenLineITemH = NULL;
	}
	if (pTenLineITemV){
		removeItem(pTenLineITemV);
		pTenLineITemV = NULL;
	}
	
	this->clear();
	if (mpShowImage)
	{
		delete mpShowImage;
		mpShowImage = NULL;
	}

	InitShowImage(roiData.img);

	updateInfoLable();
	m_graphItemMapStruct.clear();

	int nRecordCount = roiData.records.size();
	if (nRecordCount > 0)
	{
		for (int i = 0; i < nRecordCount; i++)
		{
			Item_List record = roiData.records.at(i);	
			if (!roiData.img.empty())
			{
				int maxwidth = roiData.img.cols;
				int maxheigh = roiData.img.rows;
				CheckRecord(record,maxwidth,maxheigh);
			}
			if (!InitRecord(record, i))
				return false;
		}
	}
	if (m_graphItemMapStruct.size() == 2)
	{
		GraphicsItem *pFirst =m_graphItemMapStruct.firstKey();
		GraphicsItem *pSecond = m_graphItemMapStruct.lastKey();
		int firstVal = pFirst->boundingRect().width()*pFirst->boundingRect().height();
		int secondVal = pSecond->boundingRect().width()*pSecond->boundingRect().height();

		if (firstVal > secondVal)
		{
			centerPoint = pFirst->scenePos();
			startPoint = pSecond->scenePos();
			m_graphItemMapStruct[pFirst]._model = ENUM_LOCKROI;
			m_graphItemMapStruct[pSecond]._model = ENUM_UNBINDROI;
		}
		else
		{
			centerPoint = pSecond->scenePos();
			startPoint = pFirst->scenePos();
			m_graphItemMapStruct[pSecond]._model = ENUM_LOCKROI;
			m_graphItemMapStruct[pFirst]._model = ENUM_UNBINDROI;
		}
	}
	else
	{
		flag = 0;
		centerPoint = startPoint = QPointF();
	}
	if (bUseTenFlag == true)
	{
		updateTenItem(true);
	}
	return true;
}

bool RoiScene::CheckRecord(Item_List &record, int maxwidth,int maxheight)
{
	Item_List newRecord;
	int nCount = record.size();
	if (nCount > 1)
		nCount = 1;
	if (nCount > 0)
	{
		for (int i = 0; i < nCount; i++)
		{
			Feature_List item = record.at(i);
			if (item.first == RECTANGLE)
			{
				if (item.second.at(2)>maxwidth)
				{
					item.second.replace(2, maxwidth / 2);
				}
				if (item.second.at(3) > maxheight)
				{
					item.second.replace(3, maxheight / 2);
				}
			}
			else if (item.first == ELLIPSE)
			{
				if (item.second.at(2) > maxwidth)
				{
					item.second.replace(2, maxwidth / 2);
				}
				if (item.second.at(3) > maxheight)
				{
					item.second.replace(3, maxheight / 2);
				}
			}
			else if (item.first == CIRCLE)
			{
				if (maxheight > maxwidth)
				{
					if (item.second.at(2) > maxwidth)
					{
						item.second.replace(2, maxwidth / 2);
					}
				}
				else
				{
					if (item.second.at(2) > maxheight)
					{
						item.second.replace(2, maxheight / 2);
					}
				}
			}
			newRecord.push_back(item);
		}
		record = newRecord;
	}
	return true;
}

bool RoiScene::InitRecord(Item_List record, int nIndex)
{
	int nCount = record.size();
	if (nCount > 1)
		nCount = 1;
	if (nCount > 0)
	{
		QList<GraphicsItem *> graphicItems;
		for (int i = 0; i < nCount; i++)
		{
			Feature_List item = record.at(i);
			GraphicsItem* graphicItem = NULL;
			if (item.first == RECTANGLE)
			{
				QRect mRect;
				graphicItem = new GraphicsRectItem(QRect(0, 0, abs(item.second.at(2)), abs(item.second.at(3))), NULL);
				graphicItem->SetType(GraphicsRect);
			}
			else if (item.first == ELLIPSE)
			{
				graphicItem = new GraphicsEllipseItem(QRect(0, 0, abs(item.second.at(2)) * 2, abs(item.second.at(3)) * 2), NULL);
				graphicItem->SetType(GraphicsEllipse);
			}
			else if (item.first == CIRCLE)
			{
				graphicItem = new GraphicsEllipseItem(QRect(0, 0, abs(item.second.at(2)) * 2, abs(item.second.at(2)) * 2), NULL);
				graphicItem->SetType(GraphicsCircle);			
			}

			if (graphicItem)
			{
				graphicItem->SetLock(true);
				graphicItem->SetColor(SystemStateInfo::rgb);
				graphicItem->SetCheckState(true);
				graphicItem->setPen(Qt::NoPen);
				graphicItem->setZValue(1);
				graphicItems.push_back(graphicItem);

				addItem(graphicItem);

				QPointF itemPoint;
				itemPoint.setX(item.second.at(0));
				itemPoint.setY(item.second.at(1));
				graphicItem->setPos(itemPoint-mImgPosOffSet);
				//m_graphItemMap[graphicItem]= maptoImgNewPos(graphicItem);
				tagROIParas tagItem;
				tagItem._model = ENUM_LOCKROI;
				tagItem.rectf = maptoImgNewPos(graphicItem);
				m_graphItemMapStruct[graphicItem] = tagItem;
			}
		}
	}
	return true;
}

void RoiScene::mousePressEvent(QGraphicsSceneMouseEvent *mouseEvent)
{
	if (DrawTool::c_drawShape == selection)
	{
		QList<QGraphicsItem *> items = this->selectedItems();
		GraphicsItem *item = 0;
		QPointF mousePoint = maptoImgPos(mouseEvent->scenePos());

		QString strPoint = QString("%1,%2").arg(mousePoint.x()).arg(mousePoint.y());
		if (items.count() == 1)
			item = qgraphicsitem_cast<GraphicsItem*>(items.first());
		if (item != 0 && item->GetLock())
		{
			//return QGraphicsScene::mousePressEvent(mouseEvent);
		}
		if (item == NULL)
			return QGraphicsScene::mousePressEvent(mouseEvent);

		DrawTool * tool = DrawTool::findTool(DrawTool::c_drawShape);
		if (tool)
			tool->mousePressEvent(mouseEvent, this);

		if (item != 0 && !item->GetCheckState())
		{
			//m_pRoiDlg->ResetItem(maptoImgPos(item->scenePos()), item->boundingRect().toRect());
			emit sgResetItem(maptoImgPos(item->scenePos()), item->boundingRect().toRect());
			m_graphItemMapStruct[item].rectf = maptoImgNewPos(item);
		}
	}
	else
	{	
		flag = 0;
		DrawTool * tool = DrawTool::findTool(DrawTool::c_drawShape);
		if (tool)
			tool->mousePressEvent(mouseEvent, this);
		
	}
}

void RoiScene::mouseMoveEvent(QGraphicsSceneMouseEvent *mouseEvent)
{	
	if (DrawTool::c_drawShape == selection)
	{
		QList<QGraphicsItem *> items = this->selectedItems();
		GraphicsItem *item = 0;
		if (items.count() == 1)
			item = qgraphicsitem_cast<GraphicsItem*>(items.first());
		if (item == 0)
			return;
		if(item->GetLock())
			return;

		DrawTool * tool = DrawTool::findTool(DrawTool::c_drawShape);
		m_tCurrentPos = maptoImgPos(mouseEvent->scenePos());
		updateInfoLable();
		if (tool)
			tool->mouseMoveEvent(mouseEvent, this);
		QGraphicsScene::mouseMoveEvent(mouseEvent);
	}
	else
	{
		DrawTool * tool = DrawTool::findTool(DrawTool::c_drawShape);
		m_tCurrentPos = maptoImgPos(mouseEvent->scenePos());
		updateInfoLable();
		if (tool)
			tool->mouseMoveEvent(mouseEvent, this);
		QGraphicsScene::mouseMoveEvent(mouseEvent);
	}
}

void RoiScene::mouseReleaseEvent(QGraphicsSceneMouseEvent *mouseEvent)
{
	DrawTool * tool = DrawTool::findTool(DrawTool::c_drawShape);
	if (tool)
		tool->mouseReleaseEvent(mouseEvent, this);

	QList<QGraphicsItem *> items = this->selectedItems();
	GraphicsItem *item = 0;

	if (items.count() == 1)
		item = qgraphicsitem_cast<GraphicsItem*>(items.first());

	if (item != 0)
	{
		//m_pRoiDlg->ResetItem(maptoImgPos(mouseEvent->scenePos()), item->boundingRect().toRect());
		emit sgResetItem(maptoImgPos(mouseEvent->scenePos()), item->boundingRect().toRect());
		m_graphItemMapStruct[item].rectf = maptoImgNewPos(item);
		DrawTool::c_drawShape = selection;
		QGraphicsScene::mouseReleaseEvent(mouseEvent);
	}
	
}

void RoiScene::MoveSelectedItem(DirType type)
{
	QList<QGraphicsItem *> items = this->selectedItems();
	GraphicsItem *item = 0;

	if (items.count() == 1)
		item = qgraphicsitem_cast<GraphicsItem*>(items.first());

	if (item != 0 && !item->GetCheckState())
	{
		switch (type)
		{
		case LEFT:
		{
			item->moveBy(-1, 0);
			break;
		}
		case RIGHT:
		{
			item->moveBy(1, 0);
			break;
		}
		case UP:
		{
			item->moveBy(0, -1);
			break;
		}
		case DOWN:
		{
			item->moveBy(0, 1);
			break;
		}
		}
		emit sgResetItem(maptoImgPos(item->scenePos()),item->boundingRect().toRect());
		//m_pRoiDlg->ResetItem(maptoImgPos(item->scenePos()),item->boundingRect().toRect());

		m_graphItemMapStruct[item].rectf = maptoImgNewPos(item);
	}
}

void RoiScene::SetSelectedItem(QPoint pos, QRect size)
{
	QList<QGraphicsItem *> items = this->selectedItems();
	GraphicsRectItem *item = 0;

	if (items.count() == 1)
		item = qgraphicsitem_cast<GraphicsRectItem*>(items.first());

	if (item != 0 && !item->GetCheckState())
	{
		item->resetItem(pos, size);
	}
}

void RoiScene::keyPressEvent(QKeyEvent *event)
{
	switch (event->key())
	{
		case Qt::Key_Left:
		{
			MoveSelectedItem(LEFT);
			break;
		}
		case Qt::Key_Right:
		{
			MoveSelectedItem(RIGHT);
			break;
		}
		case Qt::Key_Up:
		{
			MoveSelectedItem(UP);
			break;
		}
		case Qt::Key_Down:
		{
			MoveSelectedItem(DOWN);
			break;
		}
	}

	return QGraphicsScene::keyPressEvent(event);;
}

void RoiScene::hoverEnterEvent(QGraphicsSceneHoverEvent *event)
{
	QPointF p =event->pos();
	QString s = QString("%1,%2").arg(p.x(), p.y());
}

void RoiScene::hoverMoveEvent(QGraphicsSceneHoverEvent *event)
{
	QPointF p = event->pos();
	QString s = QString("%1,%2").arg(p.x(), p.y());
}

void RoiScene::hoverLeaveEvent(QGraphicsSceneHoverEvent * event)
{
	QPointF p = event->pos();
	QString s = QString("%1,%2").arg(p.x(), p.y());
}

void RoiScene::contextMenuEvent(QGraphicsSceneContextMenuEvent *event)
{
	if (m_bDisableMenu)
		return;
	QList<QGraphicsItem *> items = this->selectedItems();

	QPointF pPointF = maptoImgPos(event->scenePos());
	bool bInItem = false;
	GraphicsItem *ptmpItem = nullptr;
	for (QMap<GraphicsItem*, tagROIParas>::iterator its = m_graphItemMapStruct.begin(); its != m_graphItemMapStruct.end(); ++its){
		bInItem = its->rectf.contains(pPointF);
		if (bInItem == true)
		{
			ptmpItem = its.key();
			break;
		}
	}

	if (bInItem == false)
		return;
	if (!ptmpItem)
		return;
	QMenu menu((QWidget*)(this->parent()));

	QAction *deleteAction = NULL;
	QAction *checkAction = NULL;
	QAction *unCheckAction = NULL;
	QAction *radiusFixAction = NULL;
	QAction *radiusUnfixAction = NULL;
	enumMemuModel tmpModel = m_graphItemMapStruct[ptmpItem]._model;
	int itemCount = m_graphItemMapStruct.size();
	if (itemCount == 1)
		if (tmpModel == ENUM_UNBINDROI)
		{
			tmpModel = ENUM_LOCKROI;
			m_graphItemMapStruct[ptmpItem]._model = tmpModel;
			flag = 0;
		}
	if (tmpModel == ENUM_LOCKROI )//绑定
	{
		unCheckAction = menu.addAction(QObject::tr("解绑"));
		unCheckAction->setObjectName("unCheckAction");
	}
	else if (tmpModel == ENUM_BINDROI)
	{
		if (!ptmpItem->GetLock())
		{
			checkAction = menu.addAction(QObject::tr("绑定"));
			checkAction->setObjectName("checkAction");
		}
		unCheckAction = menu.addAction(QObject::tr("解除径向绑定"));
		unCheckAction->setObjectName("unCheckAction");
	}
	else if (tmpModel == ENUM_UNBINDROI)
	{
		radiusFixAction = menu.addAction(QObject::tr("径向解锁"));
		radiusFixAction->setObjectName("radiusUnfixAction");
	}
	else
	{
		if (items.size() > 0){
			deleteAction = menu.addAction(QObject::tr("删除"));
			deleteAction->setObjectName("deleteAction");
		}

		checkAction = menu.addAction(QObject::tr("绑定"));
		checkAction->setObjectName("checkAction");
		if (m_graphItemMapStruct.size() == 2){
			if (tmpModel != ENUM_UNLOCKROI){
				unCheckAction = menu.addAction(QObject::tr("解绑"));
				unCheckAction->setObjectName("unCheckAction");
			}

			GraphicsItem *pFirst = m_graphItemMapStruct.firstKey();
			GraphicsItem *pSecond = m_graphItemMapStruct.lastKey();
			int firstVal = pFirst->boundingRect().width()*pFirst->boundingRect().height();
			int secondVal = pSecond->boundingRect().width()*pSecond->boundingRect().height();
			GraphicsItem *pSmallItem = NULL;
			if (firstVal > secondVal)
			{
				pSmallItem = pSecond;
			}
			else
				pSmallItem = pFirst;
			if (pSmallItem == ptmpItem){
				radiusFixAction = menu.addAction(QObject::tr("径向绑定"));
				radiusFixAction->setObjectName("radiusFixAction");
			}
		}
	}

	QAction *selectedAction = menu.exec(event->screenPos());
	if (selectedAction == NULL)
	{
		menu.clear();
		return;
	}
	QString strObj = selectedAction->objectName();
	if (strObj == "deleteAction")//删除
	{
		flag = 0;
		QList<QGraphicsItem *> items = this->selectedItems();
		GraphicsItem *item = 0;

		if (items.count() == 1)
			item = qgraphicsitem_cast<GraphicsItem*>(items.first());

		if (item != 0 && !item->GetLock()){
			if (m_graphItemMapStruct.contains(item))
				m_graphItemMapStruct.remove(item);
			removeItem(item);
			delete item;
		}
		if (m_graphItemMapStruct.size() <= 1)
		{
			if (m_graphItemMapStruct.size() > 0){
				if (m_graphItemMapStruct.first()._model == ENUM_UNBINDROI)
					m_graphItemMapStruct.first()._model = ENUM_LOCKROI;
			}
			
			flag = 0;
		}
		updateLineItem();
	}
	else if (strObj == "checkAction")//绑定
	{
		flag = 0;
		{
			GraphicsItem *item = ptmpItem;//
			if (item && !item->GetLock())
			{
				item->SetCheckState(true);
				item->setState(SelectionHandleOff);
				item->setFlag(QGraphicsItem::ItemIsMovable, false);
				item->setFlag(QGraphicsItem::ItemIsSelectable, false);
				item->setFlag(QGraphicsItem::ItemSendsGeometryChanges, false);
				item->SetLock(true);
				m_graphItemMapStruct[ptmpItem]._model = ENUM_LOCKROI;
			}
		}
		updateLineItem();
	}
	else if (strObj == "radiusFixAction")//径向绑定
	{
		QPointF valveP = ptmpItem->scenePos();
		if (m_graphItemMapStruct.size()==2)
		{
			for (QMap<GraphicsItem*, tagROIParas>::iterator its = m_graphItemMapStruct.begin(); its != m_graphItemMapStruct.end(); ++its)
			{
				GraphicsItem *item = its.key(); 
				if (item)
				{
					if ((item->scenePos()) != valveP)
					{
						item->SetLock(true);
						item->setState(SelectionHandleOff);
						item->SetCheckState(true);
						item->setFlag(QGraphicsItem::ItemIsMovable, false);
						item->setFlag(QGraphicsItem::ItemIsSelectable, false);
						item->setFlag(QGraphicsItem::ItemSendsGeometryChanges, false);
						centerPoint =(item->scenePos());
						m_graphItemMapStruct[item]._model = ENUM_LOCKROI;
					}
					else
					{
						item->SetCheckState(false);
						item->SetLock(false);
						item->setFlag(QGraphicsItem::ItemIsMovable, true);
						item->setFlag(QGraphicsItem::ItemIsSelectable, true);
						item->setFlag(QGraphicsItem::ItemSendsGeometryChanges, true);
						startPoint = valveP;
						flag = 1;
						m_graphItemMapStruct[item]._model = ENUM_BINDROI;
					}
					updateLineItem();
				}
			}
		}
	}
	else if (strObj == "radiusUnfixAction")//径向解绑
	{
		flag = 1;
		GraphicsItem *item = 0;
		item = ptmpItem;//
		if (item->GetCheckState()||item->GetLock())
		{
			startPoint = item->scenePos();
			{
				if (m_graphItemMapStruct.contains(item))
				{
					//item->setState(SelectionHandleOff);
					item->setState(SelectionHandleActive);
					item->setFlag(QGraphicsItem::ItemIsMovable, true);
					item->setFlag(QGraphicsItem::ItemIsSelectable, true);
					item->setFlag(QGraphicsItem::ItemSendsGeometryChanges, true);
					item->SetCheckState(false);
					item->SetLock(false);
					m_graphItemMapStruct[item]._model = ENUM_BINDROI;
					updateLineItem();
				}
			}
		}
	}
	else if (strObj == "unCheckAction")//解绑
	{
		flag = 0;
		GraphicsItem *item = 0;
		item = ptmpItem;
		//if (item->GetLock()||item->GetCheckState())
		{
			if (ENUM_BINDROI == m_graphItemMapStruct[item]._model || ENUM_UNBINDROI == m_graphItemMapStruct[item]._model)
			{
				for (QMap<GraphicsItem *, tagROIParas>::iterator its = m_graphItemMapStruct.begin(); its != m_graphItemMapStruct.end(); ++its)
				{
					GraphicsItem *pItem = (its.key());
					//pItem->setState(SelectionHandleOff);
					pItem->setState(SelectionHandleActive);
					pItem->setFlag(QGraphicsItem::ItemIsMovable, true);
					pItem->setFlag(QGraphicsItem::ItemIsSelectable, true);
					pItem->setFlag(QGraphicsItem::ItemSendsGeometryChanges, true);
					pItem->SetCheckState(false);
					pItem->SetLock(false);
					its->_model = ENUM_UNLOCKROI;
				}
			}
			else
			{
				if (m_graphItemMapStruct.contains(item))
				{
					//item->setState(SelectionHandleOff);
					bool bulockflag = false;
					if (m_graphItemMapStruct.size() == 2){
						if (m_graphItemMapStruct[item]._model == ENUM_LOCKROI)
						{
							for (QMap<GraphicsItem *, tagROIParas>::iterator its = m_graphItemMapStruct.begin(); its != m_graphItemMapStruct.end(); ++its)
							{
								if ((*its)._model == ENUM_UNBINDROI)
								{
									bulockflag = true;
									break;
								}
							}
						}
					}
					
					
					item->setState(SelectionHandleActive);
					item->setFlag(QGraphicsItem::ItemIsMovable, true);
					item->setFlag(QGraphicsItem::ItemIsSelectable, true);
					item->setFlag(QGraphicsItem::ItemSendsGeometryChanges, true);
					item->SetCheckState(false);
					item->SetLock(false);
					m_graphItemMapStruct[item]._model = ENUM_UNLOCKROI;
					if (bulockflag == true)
					{
						for (QMap<GraphicsItem *, tagROIParas>::iterator its = m_graphItemMapStruct.begin(); its != m_graphItemMapStruct.end(); ++its)
						{
							GraphicsItem *pItem = (its.key());
							//pItem->setState(SelectionHandleOff);
							pItem->setState(SelectionHandleActive);
							pItem->setFlag(QGraphicsItem::ItemIsMovable, true);
							pItem->setFlag(QGraphicsItem::ItemIsSelectable, true);
							pItem->setFlag(QGraphicsItem::ItemSendsGeometryChanges, true);
							pItem->SetCheckState(false);
							pItem->SetLock(false);
							its->_model = ENUM_UNLOCKROI;
						}
					}
				}
			}
		}
		updateLineItem();
	}
	QGraphicsScene::contextMenuEvent(event);
	menu.clear();
	update();
}

void RoiScene::scaleImg(qreal scale)
{
	QTransform t;
	t.scale(scale, scale);
	mpGraphicsView->setTransform(t);
}

void RoiScene::updateInfoLable()
{
    if (!mpShowImage)
    {
        return;
    }
	QRgb pixel = mpShowImage->pixel(m_tCurrentPos);
	QColor rgb(pixel);
	QColor hsv = rgb.toHsv();
	QString infoStr("Position:[%1, %2]  Color(RGB):[%3, %4, %5] (HSV):[%6, %7, %8]");
	infoStr = infoStr.arg(m_tCurrentPos.x()).arg(m_tCurrentPos.y())
		.arg(rgb.red()).arg(rgb.green()).arg(rgb.blue())
		.arg(hsv.hue()).arg(hsv.saturation()).arg(hsv.value());
	mpInfoLabel->setText(infoStr);
}

QRectF RoiScene::maptoImgNewPos(GraphicsItem *pItem)
{
	if (pItem){//相对图像坐标转换
		QPointF  m_startPoint = maptoImgPos(QPointF(pItem->scenePos().x() - pItem->boundingRect().width()/2.0, \
			pItem->scenePos().y() - pItem->boundingRect().height()/2.0));
		QPointF  endPoint = maptoImgPos(QPointF(pItem->scenePos().x() + pItem->boundingRect().width()/2.0, \
			pItem->scenePos().y() + pItem->boundingRect().height()/2.0));
		QRectF   rectF(m_startPoint, endPoint);
		return rectF;
	}
	return QRectF();
}

QPoint RoiScene::maptoImgPos(QPointF& iscenePos)
{
    if (!m_pImageItem)
    {
        return QPoint();
    }
	return (m_pImageItem->mapFromScene(iscenePos) +
		mImgPosOffSet + QPointF(-0.5, -0.5)).toPoint();
}

void RoiScene::InitShowImage(cv::Mat img)
{
	if (!mpGraphicsView)
		return;
	if (img.empty())
		return;

	mpShowImage = ColossusBase::convMat2QImage(img);

	if (!mpShowImage)
		return;

	clear();

    m_pImageItem = addPixmap(QPixmap::fromImage(*mpShowImage));
    

	mImgPosOffSet = QPoint(mpShowImage->width() / 2, mpShowImage->height() / 2);
	m_pImageItem->setOffset(-mpShowImage->width() / 2.0, -mpShowImage->height() / 2.0);
	m_pImageItem->setPos(0, 0);

	mImgOriSize = mpShowImage->size();
	qreal scale = std::min((qreal)mpGraphicsView->width() / mImgOriSize.width(), (qreal)mpGraphicsView->height() / mImgOriSize.height());
	scaleImg(scale);
	setSceneRect(-mImgOriSize.width() / 2, -mImgOriSize.height()/2, mImgOriSize.width(), mImgOriSize.height());
	return;
}

void RoiScene::wheelEvent(QGraphicsSceneWheelEvent * wheelEvent)
{
    if (!m_pImageItem)
    {
        return;
    }
	qreal numDegrees = wheelEvent->delta() / 120;
	qreal newScale = mpGraphicsView->transform().m11();
	newScale *= std::pow(1.1, numDegrees);

	m_pImageItem->setTransformOriginPoint(0, 0);
	scaleImg(newScale);
}

void RoiScene::zoomImage(bool bZoomIn)
{
	if (!mpGraphicsView) {
		return;
	}
	qreal degr = bZoomIn == false ? 1.2 : -1.2;
	qreal scale = mpGraphicsView->transform().m11();
	scale *= std::pow(1.1, degr);
	QPointF center = mpGraphicsView->mapToScene(mpGraphicsView->width() / 2, mpGraphicsView->height() / 2);

	QTransform t;
	t.scale(scale, scale);
	mpGraphicsView->resetTransform();
	mpGraphicsView->setTransform(t);
	mpGraphicsView->centerOn(center);
}

void RoiScene::scaleImageWithFixedViewSize()
{
	if (!mpShowImage)
	{
		return;
	}
	QImage scaledImage;
	//if (!imgScaleFunc())
	{
		scaledImage = mpShowImage->scaled(mpShowImage->width()*mFixedSizeScale, mpShowImage->height()*mFixedSizeScale,
			Qt::IgnoreAspectRatio, Qt::SmoothTransformation);
		m_pImageItem->setPixmap(QPixmap::fromImage(scaledImage.scaled(mpShowImage->width(),
			mpShowImage->height()), Qt::NoFormatConversion));
	}
// 	else
// 	{
// 		scaledImage = mImgScaleFunc(*mpImg, mFixedSizeScale, Qt::SmoothTransformation);
// 		mpImgItem->setPixmap(QPixmap::fromImage(mImgScaleFunc(scaledImage,
// 			1.0 / mFixedSizeScale, Qt::FastTransformation), Qt::NoFormatConversion));
// 	}

	//emit imgScaledWithFixedSize(fixedSizeScale());
}
//用于判断Item是否超出screen边界
bool RoiScene::InImgRectangel(GraphicsItem *pItem)
{
	if (!pItem)
		return false;

	QPointF  m_startPoint = maptoImgPos(QPointF(pItem->scenePos().x() - pItem->boundingRect().width() / 2.0, \
		pItem->scenePos().y() - pItem->boundingRect().height() / 2.0));
	QPointF  endPoint = maptoImgPos(QPointF(pItem->scenePos().x() + pItem->boundingRect().width() / 2.0, \
		pItem->scenePos().y() + pItem->boundingRect().height() / 2.0));
	if (m_startPoint.x() < 0 || m_startPoint.y() < 0)
		return false;
	if (endPoint.x() > mImgOriSize.width() || endPoint.y() > mImgOriSize.height())
		return false;
	mImgOriSize;

	return true;
}

void RoiScene::updateLineItem()
{
	if (flag == 1){
		float alxs = 0.0;
		QPoint mCenPoint = centerPoint.toPoint();
		QPoint mValPoint = startPoint.toPoint();
		alxs = (mCenPoint.y() - startPoint.y())*1.0 / (mCenPoint.x() - startPoint.x());
		float bweight = mCenPoint.y() - alxs*mCenPoint.x();
		QRectF rect = sceneRect();
		QPoint mStart = QPoint(rect.x(), rect.y());
		QPoint mEnd = QPoint(rect.x()+rect.width(), rect.y()+rect.height());
		QPoint newPoint1, newPoint2;
		
		float y1 = alxs*mStart.x() + bweight;
		float x1 = (mStart.y() - bweight)*1.0 / alxs;
		if (y1 > mEnd.y() || y1 < mStart.y())
		{
			float newY = alxs*x1 + bweight;
			newPoint1 = QPoint(x1, newY);
		}
		else
		{
			float newX = mStart.x();
			newPoint1 = QPoint(newX, y1);
		}
		float y2 = alxs*mEnd.x() + bweight;
		float x2 = (mEnd.y() - bweight)*1.0 / alxs;
		if (y2 > mEnd.y() || y2 < mStart.y())
		{
			float newY = alxs*x2 + bweight;
			newPoint2 = QPoint(x2, newY);
		}
		else
		{
			float newX = mEnd.x();
			newPoint2 = QPoint(newX, y2);
		}

		if (newPoint2.x() < mStart.x())
		{
			newPoint2.setY(mStart.y());
			newPoint2.setX((mStart.y() - bweight) *1.0/ alxs);
		}
		QLine line(newPoint1, newPoint2);
		QPen pen(Qt::blue, 2);

		if (pLineItem)
		{
			removeItem(pLineItem);
			pLineItem = NULL;
		}
		pLineItem = addLine(line,pen);
	}
	else
	{
		if (pLineItem){
			removeItem(pLineItem);
			pLineItem = NULL;
		}
	}
}

void RoiScene::updateTenItem(bool bFlag)
{
	bUseTenFlag = bFlag;
	if (bUseTenFlag){
		QLine lineV(QPoint(0, -mImgOriSize.height() / 2), QPoint(0, mImgOriSize.height() / 2));
		QLine lineH(QPoint(-mImgOriSize.width() / 2, 0), QPoint(mImgOriSize.width() / 2, 0));
		QPen pen(Qt::green, 5);
		if (pTenLineITemH)
		{
			removeItem(pTenLineITemH);
			pTenLineITemH = NULL;
		}
		if (pTenLineITemV)
		{
			removeItem(pTenLineITemV);
			pTenLineITemV = NULL;
		}
		pTenLineITemH = addLine(lineH, pen);
		pTenLineITemV = addLine(lineV, pen);
	}
	else
	{
		if (pTenLineITemH)
		{
			removeItem(pTenLineITemH);
			pTenLineITemH = NULL;
		}
		if (pTenLineITemV)
		{
			removeItem(pTenLineITemV);
			pTenLineITemV = NULL;
		}
	}
	update();
}