switched png icons to svgs

oliveglobal.cpp

@@ -297,6 +297,27 @@ void OliveGlobal::open_project_worker(const QString& fn, bool autorecovery) {
   olive::UndoStack.clear();
 }
 
+QIcon OliveGlobal::CreateIconFromSVG(const QString &path)
+{
+  QIcon icon;
+
+  QPixmap normal(path);
+  icon.addPixmap(normal, QIcon::Normal, QIcon::On);
+
+  QPixmap disabled(normal.size());
+  disabled.fill(Qt::transparent);
+
+  // draw semi-transparent version of icon for the disabled variant
+  QPainter p(&disabled);
+  p.setOpacity(0.5);
+  p.drawPixmap(0, 0, normal);
+  p.end();
+
+  icon.addPixmap(disabled, QIcon::Disabled, QIcon::On);
+
+  return icon;
+}
+
 void OliveGlobal::undo() {
   // workaround to prevent crash (and also users should never need to do this)
   if (!panel_timeline->importing) {