mark virtual overrides as virtual

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@71468 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

diff --git a/src/generic/graphicc.cpp b/src/generic/graphicc.cpp
index 04bb3432bfe287cd941c03aa18b6e1bb96bbdfaf..ca611d155fab1b1199364b0b426fd0138a7c997c 100644 (file)
--- a/src/generic/graphicc.cpp
+++ b/src/generic/graphicc.cpp
@@ -335,7 +335,7 @@ public:
 
     virtual cairo_surface_t* GetCairoSurface() { return m_surface; }
     virtual cairo_pattern_t* GetCairoPattern() { return m_pattern; }
-    void* GetNativeBitmap() const { return (void*)m_surface; }
+    virtual void* GetNativeBitmap() const { return m_surface; }
     virtual wxSize GetSize() { return wxSize(m_width, m_height); }
 
 #if wxUSE_IMAGE

diff --git a/src/msw/graphics.cpp b/src/msw/graphics.cpp
index dd6ff85899c3a16999d7db2d8736ebc19d992351..54f0c33e676fb3b6eb91f5ee92bdff58fcd4df29 100644 (file)
--- a/src/msw/graphics.cpp
+++ b/src/msw/graphics.cpp
@@ -280,7 +280,7 @@ public:
     ~wxGDIPlusBitmapData ();
 
     virtual Bitmap* GetGDIPlusBitmap() { return m_bitmap; }
-    void* GetNativeBitmap() const { return (void*)m_bitmap; }
+    virtual void* GetNativeBitmap() const { return m_bitmap; }
 
 #if wxUSE_IMAGE
     wxImage ConvertToImage() const;

diff --git a/src/osx/carbon/graphics.cpp b/src/osx/carbon/graphics.cpp
index 59350b04ddbe808d2c60881803865b02927030fc..d4871e718f017f1109aabdab4018ee8ad3848e21 100644 (file)
--- a/src/osx/carbon/graphics.cpp
+++ b/src/osx/carbon/graphics.cpp
@@ -976,7 +976,7 @@ public:
     ~wxMacCoreGraphicsBitmapData();
 
     virtual CGImageRef GetBitmap() { return m_bitmap; }
-    void* GetNativeBitmap() const { return (void*)m_bitmap; }
+    virtual void* GetNativeBitmap() const { return m_bitmap; }
     bool IsMonochrome() { return m_monochrome; }
 
 #if wxUSE_IMAGE