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qclicklabel.h
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qclicklabel.h
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#ifndef QCLICKEDLABEL_H
#define QCLICKEDLABEL_H
#include <QLabel>
#include <QPainter>
#include <QRect>
#include <vector>
#include <QImage>
#define MV_STEP 5
class QClickLabel : public QLabel
{
Q_OBJECT
public:
explicit QClickLabel(QWidget *parent = 0);
void setImgSrc(const QImage& img, const QString& strImgName);
QImage getImgROI(const QRect& rect_roi);
~QClickLabel();
signals:
void clicked();
void right_mouseClicked();
protected:
virtual void mouseReleaseEvent(QMouseEvent *);
virtual void mouseDoubleClickEvent(QMouseEvent *event);
virtual void mousePressEvent(QMouseEvent *ev);
virtual void mouseMoveEvent(QMouseEvent *ev);
virtual void resizeEvent(QResizeEvent *event);
virtual void keyPressEvent(QKeyEvent *event);
virtual void paintEvent(QPaintEvent *);
private:
bool posInRect(const QPoint &pos, const QRect &rect);
void setImgRegion(QImage& img, const QRect& rect);
public slots:
void getMousePos(QPoint pos);
private:
QPoint m_tlPos;
QPoint m_brPos;
QPoint m_mvPos;
QRect m_curRect;
QImage m_img;
QImage m_scaleImg;
float m_fxratio;
float m_fyratio;
QString m_strCurImgName;
std::vector<QRect> m_ROIs;
};
#endif // QCLICKEDLABEL_H