check that the version of __sync_sub_and_fetch that returns a value is supported...

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

diff --git a/src/gtk/dcmemory.cpp b/src/gtk/dcmemory.cpp
index f24a06e95eb971cae9f656d265781f7366bd6698..3c22ca1fc19b2e57293b8c105de6fdb9576d6c2a 100644 (file)
--- a/src/gtk/dcmemory.cpp
+++ b/src/gtk/dcmemory.cpp
@@ -11,74 +11,76 @@
 #include "wx/wxprec.h"
 
 #include "wx/dcmemory.h"
+#include "wx/gtk/dcmemory.h"
 
 #include <gdk/gdk.h>
 #include <gtk/gtk.h>
 
 //-----------------------------------------------------------------------------
-// wxMemoryDC
+// wxMemoryDCImpl
 //-----------------------------------------------------------------------------
 
-IMPLEMENT_DYNAMIC_CLASS(wxMemoryDC,wxWindowDC)
+IMPLEMENT_ABSTRACT_CLASS(wxMemoryDCImpl, wxWindowDCImpl)
 
-wxMemoryDC::wxMemoryDC( const wxBitmap& bitmap )
-   : wxWindowDC()
-{
-    m_ok = false;
+wxMemoryDCImpl::wxMemoryDCImpl( wxMemoryDC *owner ) 
+  : wxWindowDCImpl( owner )
+{ 
+    Init(); 
+}
 
-    m_cmap = gtk_widget_get_default_colormap();
+wxMemoryDCImpl::wxMemoryDCImpl( wxMemoryDC *owner, wxBitmap& bitmap) 
+  : wxWindowDCImpl( owner )
+{ 
+    Init(); 
+    DoSelect(bitmap); 
+}
 
-    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 ) );
+wxMemoryDCImpl::wxMemoryDCImpl( wxMemoryDC *owner, wxDC *WXUNUSED(dc) )
+  : wxWindowDCImpl( owner )
+{
+    Init();
+}
 
-    if ( bitmap.IsOk() )
-        SelectObject(bitmap);
+wxMemoryDCImpl::~wxMemoryDCImpl()
+{
+    g_object_unref(m_context);
 }
 
-wxMemoryDC::wxMemoryDC( wxDC *WXUNUSED(dc) )
-  : wxWindowDC()
+void wxMemoryDCImpl::Init()
 {
     m_ok = false;
 
     m_cmap = gtk_widget_get_default_colormap();
 
     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 ) );
 }
 
-wxMemoryDC::~wxMemoryDC()
-{
-    g_object_unref(m_context);
-}
-
-void wxMemoryDC::SelectObject( const wxBitmap& bitmap )
+void wxMemoryDCImpl::DoSelect( const wxBitmap& bitmap )
 {
     Destroy();
+
     m_selected = bitmap;
     if (m_selected.Ok())
     {
-        m_window = m_selected.GetPixmap();
+        m_gdkwindow = m_selected.GetPixmap();
 
         m_selected.PurgeOtherRepresentations(wxBitmap::Pixmap);
 
-        m_isMemDC = true;
-
-        SetUpDC();
+        SetUpDC( true );
     }
     else
     {
         m_ok = false;
-        m_window = (GdkWindow *) NULL;
+        m_gdkwindow = (GdkWindow *) NULL;
     }
 }
 
-void wxMemoryDC::SetPen( const wxPen& penOrig )
+void wxMemoryDCImpl::SetPen( const wxPen& penOrig )
 {
     wxPen pen( penOrig );
     if ( m_selected.Ok() &&
@@ -88,10 +90,10 @@ void wxMemoryDC::SetPen( const wxPen& penOrig )
         pen.SetColour( pen.GetColour() == *wxWHITE ? *wxBLACK : *wxWHITE );
     }
 
-    wxWindowDC::SetPen( pen );
+    wxWindowDCImpl::SetPen( pen );
 }
 
-void wxMemoryDC::SetBrush( const wxBrush& brushOrig )
+void wxMemoryDCImpl::SetBrush( const wxBrush& brushOrig )
 {
     wxBrush brush( brushOrig );
     if ( m_selected.Ok() &&
@@ -101,10 +103,10 @@ void wxMemoryDC::SetBrush( const wxBrush& brushOrig )
         brush.SetColour( brush.GetColour() == *wxWHITE ? *wxBLACK : *wxWHITE);
     }
 
-    wxWindowDC::SetBrush( brush );
+    wxWindowDCImpl::SetBrush( brush );
 }
 
-void wxMemoryDC::SetBackground( const wxBrush& brushOrig )
+void wxMemoryDCImpl::SetBackground( const wxBrush& brushOrig )
 {
     wxBrush brush(brushOrig);
 
@@ -115,34 +117,26 @@ void wxMemoryDC::SetBackground( const wxBrush& brushOrig )
         brush.SetColour( brush.GetColour() == *wxWHITE ? *wxBLACK : *wxWHITE );
     }
 
-    wxWindowDC::SetBackground( brush );
+    wxWindowDCImpl::SetBackground( brush );
 }
 
-void wxMemoryDC::SetTextForeground( const wxColour& col )
+void wxMemoryDCImpl::SetTextForeground( const wxColour& col )
 {
     if ( m_selected.Ok() && m_selected.GetDepth() == 1 )
-    {
-        wxWindowDC::SetTextForeground( col == *wxWHITE ? *wxBLACK : *wxWHITE);
-    }
+        wxWindowDCImpl::SetTextForeground( col == *wxWHITE ? *wxBLACK : *wxWHITE);
     else
-    {
-        wxWindowDC::SetTextForeground( col );
-    }
+        wxWindowDCImpl::SetTextForeground( col );
 }
 
-void wxMemoryDC::SetTextBackground( const wxColour &col )
+void wxMemoryDCImpl::SetTextBackground( const wxColour &col )
 {
     if (m_selected.Ok() && m_selected.GetDepth() == 1)
-    {
-        wxWindowDC::SetTextBackground( col == *wxWHITE ? *wxBLACK : *wxWHITE );
-    }
+        wxWindowDCImpl::SetTextBackground( col == *wxWHITE ? *wxBLACK : *wxWHITE );
     else
-    {
-        wxWindowDC::SetTextBackground( col );
-    }
+        wxWindowDCImpl::SetTextBackground( col );
 }
 
-void wxMemoryDC::DoGetSize( int *width, int *height ) const
+void wxMemoryDCImpl::DoGetSize( int *width, int *height ) const
 {
     if (m_selected.Ok())
     {
@@ -155,3 +149,20 @@ void wxMemoryDC::DoGetSize( int *width, int *height ) const
         if (height) (*height) = 0;
     }
 }
+
+wxBitmap wxMemoryDCImpl::DoGetAsBitmap(const wxRect *subrect) const
+{
+    wxBitmap bmp = GetSelectedBitmap();
+    return subrect ? bmp.GetSubBitmap(*subrect) : bmp;
+}
+
+const wxBitmap& wxMemoryDCImpl::GetSelectedBitmap() const
+{
+    return m_selected;
+}
+
+wxBitmap& wxMemoryDCImpl::GetSelectedBitmap()
+{
+    return m_selected;
+}
+