4 files changed, 32 insertions, 0 deletions
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 2dca3db10..2751947b5 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -216,6 +216,7 @@ elseif (USE_SDL)
     drivers/SDL/Fl_SDL_Window_Driver.cxx
     drivers/SDL/Fl_SDL_Graphics_Driver.cxx
     drivers/SDL/Fl_SDL_Copy_Surface.cxx
+    drivers/SDL/Fl_SDL_Image_Surface.cxx
   )
   set(DRIVER_HEADER_FILES
     drivers/Pico/Fl_Pico_System_Driver.H
@@ -228,6 +229,7 @@ elseif (USE_SDL)
     drivers/SDL/Fl_SDL_Window_Driver.H
     drivers/SDL/Fl_SDL_Graphics_Driver.H
     drivers/SDL/Fl_SDL_Copy_Surface.H
+    drivers/SDL/Fl_SDL_Image_Surface.H
   )
 
 elseif (APPLE)
diff --git a/src/drivers/SDL/Fl_SDL_Copy_Surface.H b/src/drivers/SDL/Fl_SDL_Copy_Surface.H
index 8b1378917..9b3742023 100644
--- a/src/drivers/SDL/Fl_SDL_Copy_Surface.H
+++ b/src/drivers/SDL/Fl_SDL_Copy_Surface.H
@@ -1 +1,15 @@
+class Fl_Copy_Surface::Helper : public Fl_Widget_Surface { // class model
+  friend class Fl_Copy_Surface;
+private:
+  int width;
+  int height;
+  Helper(int w, int h) : Fl_Widget_Surface(NULL), width(w), height(h) {} // to implement
+  ~Helper() {} // to implement
+  void set_current(){} // to implement
+  void translate(int x, int y) {} // to implement
+  void untranslate() {} // to implement
+  int w() {return width;}
+  int h() {return height;}
+  int printable_rect(int *w, int *h) {*w = width; *h = height; return 0;}
+};
 
diff --git a/src/drivers/SDL/Fl_SDL_Image_Surface.H b/src/drivers/SDL/Fl_SDL_Image_Surface.H
new file mode 100644
index 000000000..05202afdd
--- /dev/null
+++ b/src/drivers/SDL/Fl_SDL_Image_Surface.H
@@ -0,0 +1,15 @@
+class Fl_Image_Surface::Helper : public Fl_Widget_Surface { // class model
+  friend class Fl_Image_Surface;
+public:
+  Fl_Offscreen offscreen;
+  int width;
+  int height;
+  Helper(int w, int h, int high_res) : Fl_Widget_Surface(NULL), width(w), height(h) {} // to implement
+  ~Helper() {} // to implement
+  void set_current(){} // to implement
+  void translate(int x, int y) {} // to implement
+  void untranslate() {} // to implement
+  Fl_RGB_Image *image() {} // to implement
+  void end_current() {} // to implement
+  int printable_rect(int *w, int *h) {*w = width; *h = height; return 0;}
+};
diff --git a/src/drivers/SDL/Fl_SDL_Image_Surface.cxx b/src/drivers/SDL/Fl_SDL_Image_Surface.cxx
new file mode 100644
index 000000000..8b1378917
--- /dev/null
+++ b/src/drivers/SDL/Fl_SDL_Image_Surface.cxx
@@ -0,0 +1 @@
+