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IMPROVED: JKQTPGraphsModel generated High-DPI Icons, if necessary

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jkriege2 2023-12-22 21:09:41 +01:00
parent 4017852df4
commit d4930d7729
1 changed files with 5 additions and 0 deletions
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5
lib/jkqtplotter/gui/jkqtpgraphsmodel.cpp
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@ -21,6 +21,7 @@
#include "jkqtplotter/gui/jkqtpgraphsmodel.h" #include "jkqtplotter/gui/jkqtpgraphsmodel.h"
#include "jkqtplotter/jkqtpbaseplotter.h" #include "jkqtplotter/jkqtpbaseplotter.h"
#include <QGuiApplication>
#include "jkqtplotter/jkqtptools.h" #include "jkqtplotter/jkqtptools.h"
#include "jkqtplotter/graphs/jkqtpscatter.h" #include "jkqtplotter/graphs/jkqtpscatter.h"
#include <QImage> #include <QImage>
@ -51,6 +52,10 @@ QVariant JKQTPGraphsModel::data(const QModelIndex &index, int role) const
if (index.row()<static_cast<int>(m_plotter->getGraphCount())) return m_plotter->getGraph(static_cast<size_t>(index.row()))->isVisible()?Qt::Checked:Qt::Unchecked; if (index.row()<static_cast<int>(m_plotter->getGraphCount())) return m_plotter->getGraph(static_cast<size_t>(index.row()))->isVisible()?Qt::Checked:Qt::Unchecked;
} else if (role == Qt::DecorationRole) { } else if (role == Qt::DecorationRole) {
if (index.row()<static_cast<int>(m_plotter->getGraphCount())) { if (index.row()<static_cast<int>(m_plotter->getGraphCount())) {
const qreal dpr = qGuiApp->devicePixelRatio();
QPixmap pix=QPixmap::fromImage(m_plotter->getGraph(static_cast<size_t>(index.row()))->generateKeyMarker(QSize(16,16)*dpr));
pix.setDevicePixelRatio(dpr);
return m_plotter->getGraph(static_cast<size_t>(index.row()))->generateKeyMarker(QSize(16,16)); return m_plotter->getGraph(static_cast<size_t>(index.row()))->generateKeyMarker(QSize(16,16));
} }
} }