#include "MyQGraphicsEllipseItem.h"

MyQGraphicsEllipseItem::~MyQGraphicsEllipseItem()
{
}

void MyQGraphicsEllipseItem::SetCircleAttr(double x1, double y1, double width, double height)
{
	m_circleX = x1 / 100.00;
	m_circleY = y1 / 100.00;
	m_diameter = width / 100.00;

	//设置当前线位置
	setPos(QPointF(x1, y1));

	//设置ID
	m_id = GlobalDefine::GetInstance()->GetItemId();
	
	m_translteType = NONE;

	m_backupDiameter = width / 100.00;
}

void MyQGraphicsEllipseItem::SetCircleInterfaceAttr(double x1, double y1, double dia)
{
	m_circleX = x1;
	m_circleY = y1;
	m_diameter = dia;//设置当前线位置
	this->setRect(QRectF(0, 0, m_diameter * DIE_SCALE, m_diameter * DIE_SCALE));
	setPos(QPointF(m_circleX * DIE_SCALE, m_circleY * DIE_SCALE));
	this->setScale(m_initScale);
	m_translteType = NONE;
	m_backupDiameter = dia / 100.00;
}

void MyQGraphicsEllipseItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
{
	QGraphicsEllipseItem::paint(painter, option, widget);

	QPen pen;
	pen.setWidth(FEATURE_POINT_LINE_WIDTH);
	painter->setPen(pen);
	painter->setBrush(FEATURE_POINT_COLOR);
	//圆心
	painter->drawEllipse(QPointF(rect().width() / 2, rect().width() / 2), FEATURE_POINT_SIZE / 5, FEATURE_POINT_SIZE / 5);
	//右侧用于按住需要缩放的点
	painter->drawEllipse(QPointF(rect().width() - 2, rect().width() / 2), FEATURE_POINT_SIZE / 5, FEATURE_POINT_SIZE / 5);
}

void MyQGraphicsEllipseItem::mousePressEvent(QGraphicsSceneMouseEvent *event)
{
	if (event->button() == Qt::LeftButton)
	{
		emit signal_select(m_id);
		m_mousePressDownPos = event->scenePos();

		if (abs(event->scenePos().x() - (m_circleX + m_diameter) * DIE_SCALE) <= FEATURE_POINT_SIZE &&
			abs(event->scenePos().y() - (m_circleY + m_diameter / 2) * DIE_SCALE) <= FEATURE_POINT_SIZE)
		{
			m_translteType = SCALE;
		}
		else
		{
			m_translteType = MOVE;
		}
	}
}

void MyQGraphicsEllipseItem::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
{
	if (m_translteType == MOVE)
	{
		setPos(event->scenePos().x(), event->scenePos().y());
		m_circleX = (double)this->scenePos().x() / 100.00;
		m_circleY = (double)this->scenePos().y() / 100.00;
	}
	else if (m_translteType == SCALE)
	{
		auto& nowMouseCoord = event->scenePos();
		double prop = ((double)event->scenePos().x() - (double)m_mousePressDownPos.x()) / 150.00;
		double scaleNum = m_initScale + prop;
		m_nowScale = scaleNum;
		this->setScale(m_nowScale);
		m_diameter = m_backupDiameter * scaleNum;

	}
}

void MyQGraphicsEllipseItem::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
{
	if (m_translteType == SCALE) {
		m_initScale = m_nowScale;
	}
}