File indexing completed on 2024-04-28 15:10:46

 /*
     SPDX-FileCopyrightText: 2016 Artem Fedoskin <afedoskin3@gmail.com>
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 #include "eclipticitem.h"
 
 #include "ecliptic.h"
 #include "../labelsitem.h"
 #include "../rootnode.h"
 #include "../skynodes/labelnode.h"
 #include "../skynodes/nodes/linenode.h"
 #include "../skynodes/trixelnode.h"
 
 EclipticItem::EclipticItem(Ecliptic *eclipticComp, RootNode *rootNode)
     : SkyItem(LabelsItem::label_t::ECLIPTIC_LABEL, rootNode), m_eclipticComp(eclipticComp)
 {
     LineListHash *trixels = eclipticComp->lineIndex();
 
     auto i = trixels->cbegin();
 
     while (i != trixels->cend())
     {
         std::shared_ptr<LineListList> linesList = *i;
 
         QList<std::shared_ptr<LineList>> addedLines;
 
         if (linesList->size())
         {
             QColor schemeColor = KStarsData::Instance()->colorScheme()->colorNamed("EclColor");
 
             for (int c = 0; c < linesList->size(); ++c)
             {
                 std::shared_ptr<LineList> lines = linesList->at(c);
 
                 if (!addedLines.contains(lines))
                 {
                     LineNode *ln = new LineNode(lines.get(), 0, schemeColor, 1, Qt::SolidLine);
 
                     appendChildNode(ln);
                     addedLines.append(lines);
                 }
             }
         }
         ++i;
     }
 
     KStarsData *data = KStarsData::Instance();
     KSNumbers num(data->ut().djd());
     dms elat(0.0), elng(0.0);
     QString label;
 
     for (int ra = 0; ra < 23; ra += 6)
     {
         elng.setH(ra);
         SkyPoint *o = new SkyPoint;
         o->setFromEcliptic(num.obliquity(), elng, elat);
         o->setRA0(o->ra());
         o->setDec0(o->dec());
         o->EquatorialToHorizontal(data->lst(), data->geo()->lat());
 
         label.setNum(o->ra().reduce().Degrees());
 
         LabelNode *compass = rootNode->labelsItem()->addLabel(label, labelType());
         m_compassLabels.insert(o, compass);
     }
 }
 
 void EclipticItem::update()
 {
     if (m_eclipticComp->selected())
     {
         show();
         QColor schemeColor = KStarsData::Instance()->colorScheme()->colorNamed("EclColor");
 
         UpdateID updateID = KStarsData::Instance()->updateID();
 
         QSGNode *l = firstChild();
         while (l != 0)
         {
             LineNode *lines = static_cast<LineNode *>(l);
             lines->setColor(schemeColor);
             l = l->nextSibling();
 
             LineList *lineList = lines->lineList();
             if (lineList->updateID != updateID)
                 m_eclipticComp->JITupdate(lineList);
 
             lines->updateGeometry();
         }
 
         const Projector *proj = SkyMapLite::Instance()->projector();
         KStarsData *data      = KStarsData::Instance();
 
         QMap<SkyPoint *, LabelNode *>::iterator i = m_compassLabels.begin();
 
         while (i != m_compassLabels.end())
         {
             SkyPoint *c = i.key();
             c->EquatorialToHorizontal(data->lst(), data->geo()->lat());
 
             LabelNode *compass = (*i);
 
             bool visible;
             QPointF cpoint = proj->toScreen(c, false, &visible);
             if (visible && proj->checkVisibility(c))
             {
                 compass->setLabelPos(cpoint);
             }
             else
             {
                 compass->hide();
             }
             ++i;
         }
     }
     else
     {
         hide();
     }
 }