don't compare invalid iterators/node pointers

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

diff --git a/src/gtk/dcmemory.cpp b/src/gtk/dcmemory.cpp
index 3c843eae1d342557848118e6f5ee998248d8e703..3894dd4f2edf4aff2168a8a3bc0f7c11dbc2cef7 100644 (file)
--- a/src/gtk/dcmemory.cpp
+++ b/src/gtk/dcmemory.cpp
@@ -7,9 +7,8 @@
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-#ifdef __GNUG__
-#pragma implementation "dcmemory.h"
-#endif
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
 
 #include "wx/dcmemory.h"
 
@@ -27,12 +26,13 @@ wxMemoryDC::wxMemoryDC() : wxWindowDC()
     m_ok = FALSE;
 
     m_cmap = gtk_widget_get_default_colormap();
-    
-#ifdef __WXGTK20__
+
     m_context = gdk_pango_context_get();
+    // Note: The Sun customised version of Pango shipping with Solaris 10
+    // crashes if the language is left NULL (see bug 1374114)
+    pango_context_set_language( m_context, gtk_get_default_language() );
     m_layout = pango_layout_new( m_context );
     m_fontdesc = pango_font_description_copy( pango_context_get_font_description( m_context ) );
-#endif
 }
 
 wxMemoryDC::wxMemoryDC( wxDC *WXUNUSED(dc) )
@@ -41,16 +41,16 @@ wxMemoryDC::wxMemoryDC( wxDC *WXUNUSED(dc) )
     m_ok = FALSE;
 
     m_cmap = gtk_widget_get_default_colormap();
-    
-#ifdef __WXGTK20__
+
     m_context = gdk_pango_context_get();
+    pango_context_set_language( m_context, gtk_get_default_language() );
     m_layout = pango_layout_new( m_context );
     m_fontdesc = pango_font_description_copy( pango_context_get_font_description( m_context ) );
-#endif
 }
 
 wxMemoryDC::~wxMemoryDC()
 {
+    g_object_unref(m_context);
 }
 
 void wxMemoryDC::SelectObject( const wxBitmap& bitmap )
@@ -68,6 +68,8 @@ void wxMemoryDC::SelectObject( const wxBitmap& bitmap )
             m_window = m_selected.GetBitmap();
         }
 
+        m_selected.PurgeOtherRepresentations(wxBitmap::Pixmap);
+
         m_isMemDC = TRUE;
 
         SetUpDC();
@@ -105,7 +107,7 @@ void wxMemoryDC::SetBrush( const wxBrush& brushOrig )
     wxWindowDC::SetBrush( brush );
 }
 
-void wxMemoryDC::SetBackground( const wxBrush& brushOrig ) 
+void wxMemoryDC::SetBackground( const wxBrush& brushOrig )
 {
     wxBrush brush(brushOrig);