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JKQTPlotter: generate High-DPI Icons, where necessary/appropriate

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jkriege2 2022-09-01 21:37:50 +02:00
parent 2a70ec6260
commit 9b5549b8b5
2 changed files with 19 additions and 8 deletions
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18
lib/jkqtplotter/gui/jkqtpcomboboxes.cpp
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@ -102,13 +102,15 @@ void JKQTPSymbolComboBox::setCurrentSymbol(JKQTPGraphSymbols symbol)
void JKQTPSymbolComboBox::addSymbol(JKQTPGraphSymbols symbol, const QString &name)
{
QPixmap pix(12,12);
const qreal dpr = devicePixelRatioF();
QPixmap pix(12*dpr,12*dpr);
pix.setDevicePixelRatio(dpr);
pix.fill(Qt::transparent);
JKQTPEnhancedPainter p;
p.begin(&pix);
p.setRenderHint(JKQTPEnhancedPainter::Antialiasing);
p.setRenderHint(JKQTPEnhancedPainter::TextAntialiasing);
JKQTPPlotSymbol(p, 6,6,symbol,10,1,QColor("blue"), QColor("blue").lighter());
JKQTPPlotSymbol(p, 6.0*dpr,6.0*dpr,symbol,10.0*dpr,1,QColor("blue"), QColor("blue").lighter());
p.end();
addItem(QIcon(pix), name, JKQTPGraphSymbols2String(symbol));
}
@ -176,15 +178,17 @@ void JKQTPLinePlotStyleComboBox::refill()
void JKQTPLinePlotStyleComboBox::addSymbol(JKQTPGraphSymbols symbol, bool line, const QString &name, const QVariant &data)
{
QPixmap pix(12,12);
const qreal dpr = devicePixelRatioF();
QPixmap pix(12*dpr,12*dpr);
pix.setDevicePixelRatio(dpr);
pix.fill(Qt::transparent);
JKQTPEnhancedPainter p;
p.begin(&pix);
p.setRenderHint(JKQTPEnhancedPainter::Antialiasing);
p.setRenderHint(JKQTPEnhancedPainter::TextAntialiasing);
JKQTPPlotSymbol(p, 6,6,symbol,7,1,QColor("blue"), QColor("blue").lighter());
JKQTPPlotSymbol(p, 6.0*dpr,6.0*dpr,symbol,7.0*dpr,1,QColor("blue"), QColor("blue").lighter());
p.setPen(QColor("blue"));
if (line) p.drawLine(0,6,12,6);
if (line) p.drawLine(0,6*dpr,12*dpr,6*dpr);
p.end();
addItem(QIcon(pix), name, data);
}
@ -492,8 +496,10 @@ void JKQTPLinePlotStyleWithSymbolSizeComboBox::refill()
void JKQTPLinePlotStyleWithSymbolSizeComboBox::addSymbol(JKQTPGraphSymbols symbol, bool line, double symbolSize, const QString &name, const QVariant &data)
{
int pixSize=qMax(16.0, 1.2*symbolSize);
const qreal dpr = devicePixelRatioF();
int pixSize=qMax(16.0, 1.2*symbolSize)*dpr;
QPixmap pix(pixSize, pixSize);
pix.setDevicePixelRatio(dpr);
pix.fill(Qt::transparent);
JKQTPEnhancedPainter p;
p.begin(&pix);

9
lib/jkqtplotter/jkqtplotter.cpp
View File

@ -89,7 +89,9 @@ JKQTPlotter::JKQTPlotter(bool datastore_internal, QWidget* parent, JKQTPDatastor
connect(plotter, SIGNAL(beforePlotScalingRecalculate()), this, SLOT(intBeforePlotScalingRecalculate()));
connect(plotter, SIGNAL(zoomChangedLocally(double, double, double, double, JKQTBasePlotter*)), this, SLOT(pzoomChangedLocally(double, double, double, double, JKQTBasePlotter*)));
image=QImage(width(), height(), QImage::Format_ARGB32);
const qreal dpr = devicePixelRatioF();
image=QImage(width()*dpr, height()*dpr, QImage::Format_ARGB32);
image.setDevicePixelRatio(dpr);
oldImage=image;
// enable mouse-tracking, so mouseMoved-Events can be caught
@ -1116,7 +1118,10 @@ void JKQTPlotter::initContextMenu()
QAction* act=new QAction(tit, menVisibleGroup);
act->setCheckable(true);
act->setChecked(getPlotter()->getGraph(i)->isVisible());
act->setIcon(QIcon(QPixmap::fromImage(getPlotter()->getGraph(i)->generateKeyMarker(QSize(16,16)))));
const qreal dpr = devicePixelRatioF();
QPixmap pix=QPixmap::fromImage(getPlotter()->getGraph(i)->generateKeyMarker(QSize(16,16)*dpr));
pix.setDevicePixelRatio(dpr);
act->setIcon(QIcon(pix));
act->setData(static_cast<int>(i));
connect(act, SIGNAL(toggled(bool)), this, SLOT(reactGraphVisible(bool)));
menVisibleGroup->addAction(act);