File indexing completed on 2024-04-28 15:09:02

 /*  Ekos Alignment View
     Child of FITSView with few additions necessary for Alignment functions
 
     SPDX-FileCopyrightText: 2017 Jasem Mutlaq <mutlaqja@ikarustech.com>
 
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 #pragma once
 
 #include "fitsviewer/fitsview.h"
 
 #include <QVector3D>
 
 class QPainter;
 
 class AlignView : public FITSView
 {
         Q_OBJECT
     public:
         explicit AlignView(QWidget *parent = nullptr, FITSMode mode = FITS_NORMAL, FITSScale filter = FITS_NONE);
 
         // Calculate WCS header info and update WCS info.
         // If the expensive computations are not included, e.g. extras == false, then there's
         // no reason to block (i.e. use the wcsWatcher). The computations are quick.
         bool injectWCS(double orientation, double ra, double dec, double pixscale, bool eastToTheRight, bool block = true);
 
         void drawOverlay(QPainter *, double scale) override;
 
         // Resets the marker and lines, celestial pole point and raAxis.
         void reset();
 
         // Setup correction triangle
         void setCorrectionParams(const QPointF &from, const QPointF &to, const QPointF &altTo);
 
         void setRaAxis(const QPointF &value);
         void setCelestialPole(const QPointF &value);
         void setRefreshEnabled(bool enable);
 
         // When non-null, alignview draws a small circle in the pixel position specified.
         void setStarCircle(const QPointF &pixel = QPointF());
 
         void holdOnToImage();
         void releaseImage();
         const QSharedPointer<FITSData> keptImage() const
         {
             return keptImagePointer;
         }
 
     protected:
         // Draw the polar-align triangle which guides the user how to correct polar alignment.
         void drawTriangle(QPainter *painter, const QPointF &from, const QPointF &to, const QPointF &altTo);
         // Draws the mounts current RA axis (set in setRaAxis() above).
         void drawRaAxis(QPainter *painter);
         // Draw the circle around the star used to help the user correct polar alignment.
         void drawStarCircle(QPainter *painter, const QPointF &center, double radius, const QColor &color);
 
         virtual void processMarkerSelection(int x, int y) override;
 
     private:
         // Correction points. from=user-selected point. to=destination for the point.
         // altTo = destination to correct altitude only.
         QPointF correctionFrom, correctionTo, correctionAltTo;
         // The celestial pole's position on the image.
         QPointF celestialPolePoint;
         // The mount's RA axis' position on the image.
         QPointF raAxis;
         QSharedPointer<FITSData> keptImagePointer;
         // The position of a star being tracked in the polar-alignment routine.
         QPointF starCircle;
 
     signals:
         void newCorrectionVector(QLineF correctionVector);
 };