more warning fixes about empty if statement in helper classes in release build

[wxWidgets.git] / include / wx / colour.h

diff --git a/include/wx/colour.h b/include/wx/colour.h
index 8b9e828c4c61c3b30b7c2b56f79baf28cc2f5ecd..78204d1843c62c982d63fb3236f7e271ddceaabd 100644 (file)
--- a/include/wx/colour.h
+++ b/include/wx/colour.h
@@ -20,11 +20,12 @@
 // this macro avoids to repeat these lines across all colour.h files, since
 // Set() is a virtual function and thus cannot be called by wxColourBase
 // constructors
-#define DEFINE_STD_WXCOLOUR_CONSTRUCTORS                                                              \
-    wxColour( unsigned char red, unsigned char green, unsigned char blue, unsigned char alpha = 255 ) \
-        { Set(red, green, blue, alpha); }                                                             \
-    wxColour( unsigned long colRGB ) { Set(colRGB); }                                                 \
-    wxColour(const wxString &colourName) { Set(colourName); }                                         \
+#define DEFINE_STD_WXCOLOUR_CONSTRUCTORS                                      \
+    wxColour( unsigned char red, unsigned char green, unsigned char blue,     \
+              unsigned char alpha = wxALPHA_OPAQUE )                          \
+        { Set(red, green, blue, alpha); }                                     \
+    wxColour( unsigned long colRGB ) { Set(colRGB); }                         \
+    wxColour(const wxString &colourName) { Set(colourName); }                 \
     wxColour(const wxChar *colourName) { Set(colourName); }
 
 
@@ -36,6 +37,8 @@
 
 class WXDLLEXPORT wxColour;
 
+const unsigned char wxALPHA_TRANSPARENT = 0;
+const unsigned char wxALPHA_OPAQUE = 0xff;
 
 //-----------------------------------------------------------------------------
 // wxColourBase: this class has no data members, just some functions to avoid
@@ -64,7 +67,7 @@ public:
     // Set() functions
     // ---------------
 
-    void Set(unsigned char red, unsigned char green, unsigned char blue, unsigned char alpha = 255)
+    void Set(unsigned char red, unsigned char green, unsigned char blue, unsigned char alpha = wxALPHA_OPAQUE)
         { InitWith(red,green,blue, alpha); }
 
     // implemented in colourcmn.cpp
@@ -94,7 +97,7 @@ public:
     virtual unsigned char Green() const = 0;
     virtual unsigned char Blue() const = 0;
     virtual unsigned char Alpha() const
-        { return 255 ; }
+        { return wxALPHA_OPAQUE ; }
 
     // implemented in colourcmn.cpp
     virtual wxString GetAsString(long flags = wxC2S_NAME | wxC2S_CSS_SYNTAX) const;
@@ -124,6 +127,8 @@ public:
 #include "wx/gtk1/colour.h"
 #elif defined(__WXMGL__)
 #include "wx/generic/colour.h"
+#elif defined(__WXDFB__)
+#include "wx/generic/colour.h"
 #elif defined(__WXX11__)
 #include "wx/x11/colour.h"
 #elif defined(__WXMAC__)