diff --git a/bazaar/Functions4U/Functions4U_Gui.cpp b/bazaar/Functions4U/Functions4U_Gui.cpp
new file mode 100644
index 000000000..d0a689aac
--- /dev/null
+++ b/bazaar/Functions4U/Functions4U_Gui.cpp
@@ -0,0 +1,25 @@
+#ifdef flagGUI
+
+#include <CtrlLib/CtrlLib.h>
+
+#include "Functions4U.h"
+#include "Functions4U/Functions4U_Gui.h"
+
+inline const RGBA *GetPixel(Image &img, int x, int y) {
+	return img + x + y*img.GetWidth();
+}
+
+inline RGBA *GetPixel(ImageBuffer &img, int x, int y) {
+	return img + x + y*img.GetWidth();
+}
+
+Image Rotate180(const Image& orig) {
+	Size sz = orig.GetSize();
+	ImageBuffer dest(sz);
+	for(int rw = 0; rw < sz.cy; rw++)
+		for(int cl = 0; cl < sz.cx; cl++)
+			dest[rw][cl] = orig[sz.cy - rw - 1][sz.cx - cl - 1];
+	return dest;
+}
+
+#endif