fitslabel.h

/*
    SPDX-FileCopyrightText: 2003-2017 Jasem Mutlaq <mutlaqja@ikarustech.com>
    SPDX-FileCopyrightText: 2016-2017 Robert Lancaster <rlancaste@gmail.com>
 
    SPDX-License-Identifier: GPL-2.0-or-later
*/
 
#pragma once
 
#include "dms.h"
#include "fitscommon.h"
 
#include <qpoint.h>
#include <QLabel>
#include <QRubberBand>
 
class FITSView;
 
class QMouseEvent;
class QString;
 
class FITSLabel : public QLabel
{
        Q_OBJECT
    public:
        explicit FITSLabel(FITSView *img, QWidget *parent = nullptr);
        virtual ~FITSLabel() override = default;
 
        void setSize(double w, double h);
        void centerTelescope(double raJ2000, double decJ2000);
        bool getMouseButtonDown();
        void updateROIToolTip(const QPoint p);
 
    public slots:
        void setRubberBand(QRect rect);
        void showRubberBand(bool on);
        void zoomRubberBand(double scale);
 
    protected:
        virtual void mouseMoveEvent(QMouseEvent *e) override;
        virtual void mousePressEvent(QMouseEvent *e) override;
        virtual void mouseReleaseEvent(QMouseEvent *e) override;
        virtual void mouseDoubleClickEvent(QMouseEvent *e) override;
        virtual void leaveEvent(QEvent *e) override;
 
    private:
        bool mouseButtonDown { false };
        bool isRoiSelected { false };
        QPoint lastMousePoint;
        FITSView *view { nullptr };
        dms m_RA;
        dms m_DE;
        float prevscale{ 1.0 };
        double m_Width { 0 };
        double m_Height { 0 };
        double m_Size { 0 };
 
        QPoint m_p1;
        QPoint m_p2;
        QRect diffRect;
        QRubberBand *roiRB;
        QPoint prevPoint;
 
 
    signals:
        void newStatus(const QString &msg, FITSBar id);
        void pointSelected(int x, int y);
        void markerSelected(int x, int y);
        void rectangleSelected(QPoint p1, QPoint p2,bool refreshCenter);
        void mouseOverPixel(int x, int y);
};