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-rw-r--r--src/Fl_Window_Driver.H3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/Fl_Window_Driver.H b/src/Fl_Window_Driver.H
index bcee052d5..a4240cdcf 100644
--- a/src/Fl_Window_Driver.H
+++ b/src/Fl_Window_Driver.H
@@ -37,6 +37,7 @@
class Fl_X;
class Fl_Image;
class Fl_RGB_Image;
+class Fl_Image_Surface;
/**
\brief A base class for platform specific window handling code.
@@ -64,7 +65,7 @@ public:
static fl_uintptr_t xid(const Fl_Window *win);
static Fl_Window *find(fl_uintptr_t xid);
int wait_for_expose_value;
- Fl_Offscreen other_xid; // offscreen bitmap (overlay and double-buffered windows)
+ Fl_Image_Surface *other_xid; // offscreen bitmap (overlay and double-buffered windows)
int screen_num();
void screen_num(int n) { screen_num_ = n; }