1 files changed, 30 insertions, 0 deletions
diff --git a/src-qt5/desktop-utils/lumina-photo/PhotoView.cpp b/src-qt5/desktop-utils/lumina-photo/PhotoView.cpp
new file mode 100644
index 00000000..def476b5
--- /dev/null
+++ b/src-qt5/desktop-utils/lumina-photo/PhotoView.cpp
@@ -0,0 +1,30 @@
+
+#include "PhotoView.h"
+
+PhotoView::PhotoView (QWidget *parent) : QGraphicsView (parent)
+{
+    setCacheMode (CacheBackground);
+    setViewportUpdateMode (BoundingRectViewportUpdate);
+    setRenderHint (QPainter::HighQualityAntialiasing);
+    setTransformationAnchor (AnchorUnderMouse);
+}
+
+void PhotoView::zoomIn ()
+{
+    scale (scaleFactor, scaleFactor);
+}
+
+void PhotoView::zoomOut ()
+{
+    scale (invScaleFactor, invScaleFactor);
+}
+
+void PhotoView::zoomNormal ()
+{
+    resetMatrix ();
+}
+
+void PhotoView::zoomFit ()
+{
+    fitInView (sceneRect (), Qt::KeepAspectRatio);
+}