Implemented wxBitmap::HasAlpha() and ::UseAlpha().

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@32086 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2005-02-15 20:27:46 +00:00
parent a4ea2d8dbb
commit 0ff2a74d0c
5 changed files with 41 additions and 6 deletions
--- a/src/gtk/bitmap.cpp
+++ b/src/gtk/bitmap.cpp
@@ -1597,6 +1597,23 @@ void wxBitmap::UngetRawData(wxPixelDataBase& data)
 {
 }

+
+bool wxBitmap::HasAlpha() const 
+{
+#ifdef __WXGTK20__
+    return HasPixbuf();
+#else
+    return false;
+#endif
+}
+
+void wxBitmap::UseAlpha()
+{ 
+#ifdef __WXGTK20__
+    GetPixbuf();
+#endif
+}
+
 //-----------------------------------------------------------------------------
 // wxBitmapHandler
 //-----------------------------------------------------------------------------