add IsOk() to all classes having Ok() method (patch 1570985)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@41751 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/dfb/bitmap.h

@@ -37,7 +37,8 @@ public:
     wxBitmap(const wxImage& image, int depth = -1);
 #endif
 
-    bool Ok() const;
+    bool Ok() const { return IsOk(); }
+    bool IsOk() const;
     bool operator==(const wxBitmap& bmp) const;
     bool operator!=(const wxBitmap& bmp) const { return !(*this == bmp); }
 

include/wx/dfb/brush.h

@@ -35,7 +35,8 @@ public:
     wxBrush(const wxColour &colour, int style = wxSOLID);
     wxBrush(const wxBitmap &stippleBitmap);
 
-    bool Ok() const;
+    bool Ok() const { return IsOk(); }
+    bool IsOk() const;
     bool operator==(const wxBrush& brush) const;
     bool operator!=(const wxBrush& brush) const { return !(*this == brush); }
 

include/wx/dfb/cursor.h

@@ -32,7 +32,8 @@ public:
              long flags = wxBITMAP_TYPE_CUR_RESOURCE,
              int hotSpotX = 0, int hotSpotY = 0);
 
-    bool Ok() const;
+    bool Ok() const { return IsOk(); }
+    bool IsOk() const;
     bool operator==(const wxCursor& cursor) const;
     bool operator!=(const wxCursor& cursor) const { return !(*this == cursor); }
 

include/wx/dfb/pen.h

@@ -57,7 +57,8 @@ public:
     wxDash* GetDash() const;
     wxBitmap *GetStipple() const;
 
-    bool Ok() const;
+    bool Ok() const { return IsOk(); }
+    bool IsOk() const;
 
 protected:
     // ref counting code