skynodes/nodes/pointnode.cpp

0001 /*
0002     SPDX-FileCopyrightText: 2016 Artem Fedoskin <afedoskin3@gmail.com>
0003     SPDX-License-Identifier: GPL-2.0-or-later
0004 */
0005
0006 #include "pointnode.h"
0007
0008 #include "Options.h"
0009 #include "skymaplite.h"
0010 #include "../../rootnode.h"
0011
0012 #include <QQuickWindow>
0013 #include <QSGSimpleTextureNode>
0014
0015 PointNode::PointNode(RootNode *p, char sp, float size)
0016     : spType(sp), texture(new QSGSimpleTextureNode), m_rootNode(p),
0017       starColorMode(Options::starColorMode())
0018 {
0019     appendChildNode(texture);
0020     setSize(size);
0021 }
0022
0023 void PointNode::setSize(float size)
0024 {
0025     int isize      = qMin(static_cast<int>(size), 14);
0026     uint newStarCM = Options::starColorMode();
0027     if (size != m_size || newStarCM != starColorMode)
0028     {
0029         texture->setTexture(m_rootNode->getCachedTexture(isize, spType));
0030
0031         //We divide size of texture by ratio. Otherwise texture will be very large
0032         qreal ratio = SkyMapLite::Instance()->window()->effectiveDevicePixelRatio();
0033
0034         QSize tSize    = texture->texture()->textureSize();
0035         QRectF oldRect = texture->rect();
0036         texture->setRect(QRect(oldRect.x(), oldRect.y(), tSize.width() / ratio, tSize.height() / ratio));
0037         m_size        = size;
0038         starColorMode = newStarCM;
0039     }
0040 }
0041
0042 QSizeF PointNode::size() const
0043 {
0044     return texture->rect().size();
0045 }