Wx files working

wxheaders/wx/generic/private/drawbitmap.h

@@ -0,0 +1,41 @@
+///////////////////////////////////////////////////////////////////////////////
+// Name:        wx/generic/private/drawbitmap.h
+// Purpose:     Small helper for drawing images.
+// Author:      Vadim Zeitlin
+// Created:     2022-10-25
+// Copyright:   (c) 2022 Vadim Zeitlin <vadim@wxwidgets.org>
+// Licence:     wxWindows licence
+///////////////////////////////////////////////////////////////////////////////
+
+#ifndef _WX_GENERIC_PRIVATE_DRAWBITMAP_H_
+#define _WX_GENERIC_PRIVATE_DRAWBITMAP_H_
+
+#include "wx/dc.h"
+#include "wx/window.h"
+#include "wx/withimages.h"
+
+// Just a trivial wrapper for wxDC::DrawBitmap() using wxWithImages: this is
+// used in several places in the generic wxListCtrl and wxTreeCtrl code.
+inline void
+wxDrawImageBitmap(wxWindow* window,
+                  const wxWithImages& images,
+                  int image,
+                  wxDC& dc,
+                  int x,
+                  int y)
+{
+    dc.DrawBitmap(images.GetImageBitmapFor(window, image),
+                  x, y,
+                  true /* use mask */);
+}
+
+// Overload for the controls deriving from both wxWindow and wxWithImages, as
+// both wxListCtrl and wxTreeCtrl do.
+template <typename T>
+inline void
+wxDrawImageBitmap(T* window, int image, wxDC& dc, int x, int y)
+{
+    wxDrawImageBitmap(window, *window, image, dc, x, y);
+}
+
+#endif // _WX_GENERIC_PRIVATE_DRAWBITMAP_H_