new file added

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

diff --git a/src/gtk/dcclient.cpp b/src/gtk/dcclient.cpp
index 2087ca70af07d0d2bab94bd01003195b1c6e3db6..c427dfa08ceea3c72a4487890b13c7973d763021 100644 (file)
--- a/src/gtk/dcclient.cpp
+++ b/src/gtk/dcclient.cpp
@@ -129,7 +129,11 @@ enum wxPoolGCType
    wxTEXT_SCREEN,
    wxBG_SCREEN,
    wxPEN_SCREEN,
-   wxBRUSH_SCREEN
+   wxBRUSH_SCREEN,
+   wxTEXT_COLOUR_ALPHA,
+   wxBG_COLOUR_ALPHA,
+   wxPEN_COLOUR_ALPHA,
+   wxBRUSH_COLOUR_ALPHA
 };
 
 struct wxGC
@@ -375,6 +379,18 @@ void wxWindowDCImpl::SetUpDC( bool isMemDC )
             m_textGC = wxGetPoolGC( m_gdkwindow, wxTEXT_SCREEN );
             m_bgGC = wxGetPoolGC( m_gdkwindow, wxBG_SCREEN );
         }
+#if GTK_CHECK_VERSION(2,12,0)
+        // gdk_screen_get_rgba_colormap was added in 2.8, but this code is for
+        // compositing which requires 2.12
+        else if (gtk_check_version(2,12,0) == NULL &&
+            m_cmap == gdk_screen_get_rgba_colormap(gdk_colormap_get_screen(m_cmap)))
+        {
+            m_penGC = wxGetPoolGC( m_gdkwindow, wxPEN_COLOUR_ALPHA );
+            m_brushGC = wxGetPoolGC( m_gdkwindow, wxBRUSH_COLOUR_ALPHA );
+            m_textGC = wxGetPoolGC( m_gdkwindow, wxTEXT_COLOUR_ALPHA );
+            m_bgGC = wxGetPoolGC( m_gdkwindow, wxBG_COLOUR_ALPHA );
+        }
+#endif
         else
         {
             m_penGC = wxGetPoolGC( m_gdkwindow, wxPEN_COLOUR );
@@ -947,7 +963,7 @@ void wxWindowDCImpl::DoDrawEllipse( wxCoord x, wxCoord y, wxCoord width, wxCoord
 
             // If the pen is transparent pen we increase the size
             // for better compatibility with other platforms.
-            if ( m_pen.IsNonTransparent() )
+            if (m_pen.IsTransparent())
             {
                 ++ww;
                 ++hh;