X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/bc735a68b18cddb825197dca55eb51ca8c72928d..aa3fcb2f830f50218a6003710b959eb33d3b7088:/include/wx/brush.h

diff --git a/include/wx/brush.h b/include/wx/brush.h
index 7ad451927c..89ae912fa1 100644
--- a/include/wx/brush.h
+++ b/include/wx/brush.h
@@ -55,6 +55,19 @@ public:
 
     virtual bool IsHatch() const
         { return (GetStyle()>=wxBRUSHSTYLE_FIRST_HATCH) && (GetStyle()<=wxBRUSHSTYLE_LAST_HATCH); }
+
+    // Convenient helpers for testing whether the brush is a transparent one:
+    // unlike GetStyle() == wxBRUSHSTYLE_TRANSPARENT, they work correctly even
+    // if the brush is invalid (they both return false in this case).
+    bool IsTransparent() const
+    {
+        return IsOk() && GetStyle() == wxBRUSHSTYLE_TRANSPARENT;
+    }
+
+    bool IsNonTransparent() const
+    {
+        return IsOk() && GetStyle() != wxBRUSHSTYLE_TRANSPARENT;
+    }
 };
 
 #if defined(__WXPALMOS__)
@@ -106,9 +119,14 @@ extern WXDLLIMPEXP_DATA_CORE(wxBrushList*)   wxTheBrushList;
 // compilers as it compares elements of different enums
 #if FUTURE_WXWIN_COMPATIBILITY_3_0
 
+// Unfortunately some compilers have ambiguity issues when enum comparisons are
+// overloaded so we have to disable the overloads in this case, see
+// wxCOMPILER_NO_OVERLOAD_ON_ENUM definition in wx/platform.h for more details.
+#ifndef wxCOMPILER_NO_OVERLOAD_ON_ENUM
+
 inline bool operator==(wxBrushStyle s, wxDeprecatedGUIConstants t)
 {
-    return wx_static_cast(int, s) == wx_static_cast(int, t);
+    return static_cast<int>(s) == static_cast<int>(t);
 }
 
 inline bool operator!=(wxBrushStyle s, wxDeprecatedGUIConstants t)
@@ -116,6 +134,8 @@ inline bool operator!=(wxBrushStyle s, wxDeprecatedGUIConstants t)
     return !(s == t);
 }
 
+#endif // wxCOMPILER_NO_OVERLOAD_ON_ENUM
+
 #endif // FUTURE_WXWIN_COMPATIBILITY_3_0
 
 #endif // _WX_BRUSH_H_BASE_