+
−#include <QPainter>
+
−#include <QPen>
+
−#include "pixlabel.h"
+
−
+
−PixLabel::PixLabel()
+
−		: QLabel(0)
+
−{
+
−
+
−}
+
−
+
−void PixLabel::paintEvent(QPaintEvent * event)
+
−{
+
−	QLabel::paintEvent(event);
+
−	QPainter p(this);
+
−
+
−	p.fillRect(QRect(0, 0, 1024, 512), QBrush(Qt::black));
+
−
+
−	if (rects.size())
+
−	{
+
−		p.setPen(QPen(Qt::lightGray));
+
−		QVector<QPoint> centers;
+
−		for(QList<QRect>::const_iterator it = rects.begin(); it != rects.end(); ++it)
+
−			centers.push_back((*it).center());
+
−		p.drawPolyline(QPolygon(centers));
+
−
+
−		p.setPen(QPen(Qt::white));
+
−		p.drawRects(rects.toVector());
+
−
+
−		p.setPen(QPen(Qt::yellow));
+
−		p.drawRect(rects.last());
+
−	}
+
−}
+
−
+
−void PixLabel::mousePressEvent(QMouseEvent * e)
+
−{
+
−	if (!rects.empty())
+
−	{
+
−		if (e->button() == Qt::LeftButton)
+
−			rects[rects.size() - 1].moveTopLeft(QPoint(e->x(), e->y()));
+
−		else
+
−		if (e->button() == Qt::RightButton)
+
−			rects[rects.size() - 1].setBottomRight(QPoint(e->x(), e->y()));
+
−		repaint();
+
−	}
+
−}
+
−
+
−void PixLabel::AddRect()
+
−{
+
−	rects.push_back(QRect(0, 0, 1, 1));
+
−	repaint();
+
−}