Suppress various harmless warnings in MinGW build with -Wconversion.

[wxWidgets.git] / src / gtk / colour.cpp

diff --git a/src/gtk/colour.cpp b/src/gtk/colour.cpp
index af912732579e32b16a574aba12d0ecba3bd349ed..185cb5c1d4c77fddc9ecc792cb20a4f36675fb5d 100644 (file)
--- a/src/gtk/colour.cpp
+++ b/src/gtk/colour.cpp
@@ -20,10 +20,10 @@
 // wxColour
 //-----------------------------------------------------------------------------
 
-class wxColourRefData: public wxObjectRefData
+class wxColourRefData : public wxGDIRefData
 {
 public:
-    wxColourRefData(guint16 red, guint16 green, guint16 blue)
+    wxColourRefData(guint16 red, guint16 green, guint16 blue, wxByte alpha = 0xff)
     {
         m_color.red =
         m_red = red;
@@ -31,6 +31,7 @@ public:
         m_green = green;
         m_color.blue =
         m_blue = blue;
+        m_alpha = alpha;
         m_color.pixel = 0;
         m_colormap = NULL;
     }
@@ -49,8 +50,9 @@ public:
     guint16 m_red;
     guint16 m_green;
     guint16 m_blue;
+    wxByte m_alpha;
 
-    DECLARE_NO_COPY_CLASS(wxColourRefData)
+    wxDECLARE_NO_COPY_CLASS(wxColourRefData);
 };
 
 void wxColourRefData::FreeColour()
@@ -81,13 +83,11 @@ void wxColourRefData::AllocColour( GdkColormap *cmap )
 
 //-----------------------------------------------------------------------------
 
-#define M_COLDATA wx_static_cast(wxColourRefData*, m_refData)
+#define M_COLDATA static_cast<wxColourRefData*>(m_refData)
 
 // GDK's values are in 0..65535 range, ours are in 0..255
 #define SHIFT  8
 
-IMPLEMENT_DYNAMIC_CLASS(wxColour,wxGDIObject)
-
 wxColour::wxColour(const GdkColor& gdkColor)
 {
     m_refData = new wxColourRefData(gdkColor.red, gdkColor.green, gdkColor.blue);
@@ -106,69 +106,75 @@ bool wxColour::operator == ( const wxColour& col ) const
         return false;
 
     wxColourRefData* refData = M_COLDATA;
-    wxColourRefData* that_refData = wx_static_cast(wxColourRefData*, col.m_refData);
+    wxColourRefData* that_refData = static_cast<wxColourRefData*>(col.m_refData);
     return refData->m_red == that_refData->m_red &&
            refData->m_green == that_refData->m_green &&
-           refData->m_blue == that_refData->m_blue;
+           refData->m_blue == that_refData->m_blue &&
+           refData->m_alpha == that_refData->m_alpha;
 }
 
-void wxColour::InitWith( unsigned char red, unsigned char green, unsigned char blue )
+void wxColour::InitRGBA(unsigned char red, unsigned char green, unsigned char blue,
+                        unsigned char alpha)
 {
     UnRef();
 
     m_refData = new wxColourRefData(
         (guint16(red) << SHIFT) + red,
         (guint16(green) << SHIFT) + green,
-        (guint16(blue) << SHIFT) + blue);
+        (guint16(blue) << SHIFT) + blue,
+        alpha);
 }
 
 unsigned char wxColour::Red() const
 {
-    wxCHECK_MSG( Ok(), 0, wxT("invalid colour") );
+    wxCHECK_MSG( IsOk(), 0, wxT("invalid colour") );
 
     return wxByte(M_COLDATA->m_red >> SHIFT);
 }
 
 unsigned char wxColour::Green() const
 {
-    wxCHECK_MSG( Ok(), 0, wxT("invalid colour") );
+    wxCHECK_MSG( IsOk(), 0, wxT("invalid colour") );
 
     return wxByte(M_COLDATA->m_green >> SHIFT);
 }
 
 unsigned char wxColour::Blue() const
 {
-    wxCHECK_MSG( Ok(), 0, wxT("invalid colour") );
+    wxCHECK_MSG( IsOk(), 0, wxT("invalid colour") );
 
     return wxByte(M_COLDATA->m_blue >> SHIFT);
 }
 
+unsigned char wxColour::Alpha() const
+{
+    wxCHECK_MSG( IsOk(), 0, wxT("invalid colour") );
+
+    return M_COLDATA->m_alpha;
+}
+
 void wxColour::CalcPixel( GdkColormap *cmap )
 {
-    if (!Ok()) return;
+    if (!IsOk()) return;
 
     M_COLDATA->AllocColour( cmap );
 }
 
 int wxColour::GetPixel() const
 {
-    wxCHECK_MSG( Ok(), 0, wxT("invalid colour") );
+    wxCHECK_MSG( IsOk(), 0, wxT("invalid colour") );
 
     return M_COLDATA->m_color.pixel;
 }
 
-#ifdef __WXGTK24__
 const GdkColor *wxColour::GetColor() const
-#else
-      GdkColor *wxColour::GetColor() const
-#endif
 {
-    wxCHECK_MSG( Ok(), NULL, wxT("invalid colour") );
+    wxCHECK_MSG( IsOk(), NULL, wxT("invalid colour") );
 
     return &M_COLDATA->m_color;
 }
 
-bool wxColour::FromString(const wxChar *str)
+bool wxColour::FromString(const wxString& str)
 {
     GdkColor colGDK;
     if ( gdk_color_parse( wxGTK_CONV_SYS( str ), &colGDK ) )