1 files changed, 53 insertions, 0 deletions
diff --git a/Src/Wasabi/api/wnd/wndclass/backbufferwnd.h b/Src/Wasabi/api/wnd/wndclass/backbufferwnd.h
new file mode 100644
index 00000000..1f536ba1
--- /dev/null
+++ b/Src/Wasabi/api/wnd/wndclass/backbufferwnd.h
@@ -0,0 +1,53 @@
+#ifndef __BBWND_H
+#define __BBWND_H
+
+#include <api/wnd/wndclass/abstractwndhold.h>
+
+#ifdef WASABI_COMPILE_SKIN
+#define BBWND_PARENT AbstractWndHolder
+#else
+#define BBWND_PARENT ServiceWndHolder
+#endif
+
+/**
+  class BackBufferWnd
+  @short 
+  @author Nullsoft
+  @ver 1.0
+  @see 
+*/
+class BackBufferWnd : public BBWND_PARENT {
+  
+  public:
+
+    BackBufferWnd();
+    virtual ~BackBufferWnd();
+
+    virtual int onPaint(Canvas *c); 
+
+    /**
+      BackBufferWnd method wantBackBuffer .
+      
+      @ret 0
+      @param None
+    */
+    virtual int wantBackBuffer() { return 0; }
+    virtual BltCanvas *getBackBuffer();
+    virtual int onSiblingInvalidateRgn(api_region *r, ifc_window *who, int who_idx, int my_idx);
+    
+    /**
+      BackBufferWnd method wantSiblingInvalidations .
+    
+      @ret 0
+      @param None
+    */
+    virtual int wantSiblingInvalidations() { return wantBackBuffer(); }
+
+  private:
+
+    int backbuffer;
+    BltCanvas *back_buffer;
+    int canvas_w, canvas_h;
+};
+
+#endif