File indexing completed on 2024-04-28 03:44:24

 /*
     SPDX-FileCopyrightText: 2016 Artem Fedoskin <afedoskin3@gmail.com>
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 #include "skyobject.h"
 #include "Options.h"
 
 #include <QQuickWindow>
 #include <QSGSimpleTextureNode>
 
 #include "constellationartnode.h"
 #include "constellationsart.h"
 #include "nodes/pointnode.h"
 
 #include "../rootnode.h"
 #include "../labelsitem.h"
 #include "labelnode.h"
 
 ConstellationArtNode::ConstellationArtNode(ConstellationsArt *obj)
     : SkyNode(obj), m_art(obj), m_texture(new QSGSimpleTextureNode)
 {
     m_texture->setTexture(
         SkyMapLite::Instance()->window()->createTextureFromImage(m_art->image(), QQuickWindow::TextureCanUseAtlas));
     m_texture->setFiltering(QSGTexture::Linear);
     m_opacity->appendChildNode(m_texture);
     update();
 }
 
 void ConstellationArtNode::update()
 {
     double zoom = Options::zoomFactor();
 
     const Projector *m_proj = SkyMapLite::Instance()->projector();
     if (!m_proj->checkVisibility(m_art))
     {
         hide();
         return;
     }
 
     bool visible = false;
     m_art->EquatorialToHorizontal(KStarsData::Instance()->lst(), KStarsData::Instance()->geo()->lat());
     QPointF constellationmidpoint = m_proj->toScreen(m_art, true, &visible);
 
     if (!visible || !m_proj->onScreen(constellationmidpoint))
     {
         hide();
         return;
     }
 
     m_opacity->setOpacity(0.7);
 
     //qDebug() << "o->pa() " << obj->pa();
     float positionangle = m_proj->findPA(m_art, constellationmidpoint.x(), constellationmidpoint.y());
     //qDebug() << " final PA " << positionangle;
 
     float w = m_art->getWidth() * 60 * dms::PI * zoom / 10800;
     float h = m_art->getHeight() * 60 * dms::PI * zoom / 10800;
 
     m_texture->setRect(0, 0, w, h);
 
     changePos(constellationmidpoint, positionangle);
 }
 
 void ConstellationArtNode::changePos(QPointF pos, double positionangle)
 {
     QSizeF size = m_texture->rect().size();
     QMatrix4x4 m(1, 0, 0, pos.x(), 0, 1, 0, pos.y(), 0, 0, 1, 0, 0, 0, 0, 1);
     m.rotate(positionangle, 0, 0, 1);
     m.translate(-0.5 * size.width(), -0.5 * size.height());
 
     setMatrix(m);
     markDirty(QSGNode::DirtyMatrix);
 }
 
 void ConstellationArtNode::hide()
 {
     //m_point->hide();
     SkyNode::hide();
 }