clean up deprecated flags

xybrid/mainwindow.cpp

@@ -319,12 +319,12 @@ MainWindow::MainWindow(QWidget *parent) :
             auto* vp = new QOpenGLWidget();
             view->setViewport(vp); // enable hardware acceleration
         }
-        view->setRenderHints(QPainter::Antialiasing | QPainter::SmoothPixmapTransform | QPainter::HighQualityAntialiasing);
+        view->setRenderHints(QPainter::Antialiasing | QPainter::SmoothPixmapTransform);
         // Under OSX these cause Xybrid to crash.
-        #ifndef __APPLE__
+#ifndef __APPLE__
         glEnable(GL_MULTISAMPLE);
         glEnable(GL_LINE_SMOOTH);
-        #endif
+#endif
         //QGL::FormatOption::Rgba
 
 

xybrid/ui/gadgets/sampleselectorgadget.cpp

@@ -86,7 +86,6 @@ void SampleSelectorGadget::paint(QPainter* p, const QStyleOptionGraphicsItem* op
         }
     }
     p->setRenderHint(QPainter::Antialiasing, true);
-    p->setRenderHint(QPainter::HighQualityAntialiasing, true);
     p->setPen(QPen(outline, 2));
     p->setBrush(QBrush(Qt::NoBrush));
     p->drawRoundedRect(br, corner, corner);

xybrid/ui/waveformpreviewwidget.cpp

@@ -86,7 +86,6 @@ void WaveformPreviewWidget::paintEvent(QPaintEvent* event [[maybe_unused]]) {
         path.addText(rect.bottomLeft() + QPointF(2, -fm.descent()), font, name);
 
         p.setRenderHint(QPainter::Antialiasing, true);
-        p.setRenderHint(QPainter::HighQualityAntialiasing, true);
         p.fillPath(path, QColor(0, 0, 0));
         p.strokePath(path, QPen(QColor(0, 0, 0), 3));
         p.fillPath(path, QColor(255, 255, 255));