1 files changed, 11 insertions, 0 deletions
diff --git a/src/Fl_Image_Surface.cxx b/src/Fl_Image_Surface.cxx
index e2870e578..1a5f5ec31 100644
--- a/src/Fl_Image_Surface.cxx
+++ b/src/Fl_Image_Surface.cxx
@@ -37,6 +37,7 @@
  */
 Fl_Image_Surface::Fl_Image_Surface(int w, int h, int high_res, Fl_Offscreen off) : Fl_Widget_Surface(NULL) {
   platform_surface = Fl_Image_Surface_Driver::newImageSurfaceDriver(w, h, high_res, off);
+  platform_surface->image_surface_ = this;
   if (platform_surface) driver(platform_surface->driver());
 }
 
@@ -88,6 +89,10 @@ int Fl_Image_Surface_Driver::printable_rect(int *w, int *h) {
   *w = width; *h = height;
   return 0;
 }
+
+Fl_Image_Surface *Fl_Image_Surface_Driver::as_image_surface() {
+  return image_surface_;
+}
 /**
  \}
  \endcond
@@ -149,6 +154,12 @@ void Fl_Image_Surface::rescale() {
   delete rgb;
 }
 
+
+Fl_Image_Surface *Fl_Image_Surface::as_image_surface() {
+  return this;
+}
+
+
 // implementation of the fl_XXX_offscreen() functions
 
 static Fl_Image_Surface **offscreen_api_surface = NULL;