Migrate to Qt6

imagescrollareagl.cpp

@@ -1,5 +1,6 @@
 #include "imagescrollareagl.h"
 #include <QOpenGLFunctions>
+#include <QOpenGLVersionFunctionsFactory>
 #include <QDebug>
 #include <QKeyEvent>
 #include <QOpenGLDebugLogger>
@@ -400,7 +401,7 @@ void ImageWidget::initializeGL()
 {
     f = context()->functions();
     f->glClearColor(0.5f, 0.5f, 0.5f, 1.0f);
-    f3 = context()->versionFunctions<QOpenGLFunctions_3_3_Core>();
+    f3 = QOpenGLVersionFunctionsFactory::get<QOpenGLFunctions_3_3_Core>(context());
 
     if(f3 == nullptr)
         QMessageBox::critical(this, tr("OpenGL error"), tr("Could not initialize OpenGL 3.3 context. Ensure that proper GPU driver is installed."));