Add #define to transform Object bounds on the fly

[ipdf/code.git] / src / screen.h

diff --git a/src/screen.h b/src/screen.h
index e24bc3f..bdadd8e 100644 (file)
--- a/src/screen.h
+++ b/src/screen.h
@@ -75,6 +75,8 @@ namespace IPDF
                
                void ShowDebugFont(bool show = true) {m_show_debug_font = show;}
                bool DebugFontShown() const {return m_show_debug_font;}
+
+               bool Valid() const {return m_window != NULL;}
        private:
                void ResizeViewport(int width, int height);
                void DebugFontFlush();