File indexing completed on 2024-04-14 03:43:37

 /*
     SkyPainter: class for painting onto the sky for KStars
     SPDX-FileCopyrightText: 2010 Henry de Valence <hdevalence@gmail.com>
 
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 #include "skypainter.h"
 
 #include "skymap.h"
 #include "Options.h"
 #include "kstarsdata.h"
 #include "skycomponents/skiphashlist.h"
 #include "skycomponents/linelistlabel.h"
 #include "skyobjects/kscomet.h"
 #include "skyobjects/ksasteroid.h"
 #include "skyobjects/ksplanetbase.h"
 #include "skyobjects/trailobject.h"
 #include "skyobjects/constellationsart.h"
 
 SkyPainter::SkyPainter()
 {
 }
 
 void SkyPainter::setSizeMagLimit(float sizeMagLim)
 {
     m_sizeMagLim = sizeMagLim;
 }
 
 float SkyPainter::starWidth(float mag) const
 {
     //adjust maglimit for ZoomLevel
     const double maxSize = 10.0;
 
     double lgmin = log10(MINZOOM);
     //    double lgmax = log10(MAXZOOM);
     double lgz = log10(Options::zoomFactor());
 
     float sizeFactor = maxSize + (lgz - lgmin);
 
     float size = (sizeFactor * (m_sizeMagLim - mag) / m_sizeMagLim) + 1.;
     if (size <= 1.0)
         size = 1.0;
     if (size > maxSize)
         size = maxSize;
 
     return size;
 }