X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/6239ee05567eac71754f56c2a154222d10b57ff1..0c1cc9483ecba053bc9a0983a4a8d48898e334f2:/src/mac/carbon/overlay.cpp

diff --git a/src/mac/carbon/overlay.cpp b/src/mac/carbon/overlay.cpp
index 933aa8bf01..3ae300276a 100644
--- a/src/mac/carbon/overlay.cpp
+++ b/src/mac/carbon/overlay.cpp
@@ -105,7 +105,7 @@ OSStatus wxOverlayImpl::CreateOverlayWindow()
     return err;
 }
 
-void wxOverlayImpl::Init( wxWindowDC* dc, int x , int y , int width , int height )
+void wxOverlayImpl::Init( wxDC* dc, int x , int y , int width , int height )
 {
     wxASSERT_MSG( !IsOk() , _("You cannot Init an overlay twice") );
 
@@ -132,20 +132,28 @@ void wxOverlayImpl::Init( wxWindowDC* dc, int x , int y , int width , int height
     wxASSERT_MSG(  err == noErr , _("Couldn't init the context on the overlay window") );
 }
 
-void wxOverlayImpl::BeginDrawing( wxWindowDC* dc)
+void wxOverlayImpl::BeginDrawing( wxDC* dc)
 {
-    dc->SetGraphicsContext( wxGraphicsContext::CreateFromNative( m_overlayContext ) );
-    wxSize size = dc->GetSize() ;
-    dc->SetClippingRegion( 0 , 0 , size.x , size.y ) ;
+    wxDCImpl *impl = dc->GetImpl();
+    wxGCDCImpl *win_impl = wxDynamicCast(impl,wxGCDCImpl);
+    if (win_impl)
+    {
+        win_impl->SetGraphicsContext( wxGraphicsContext::CreateFromNative( m_overlayContext ) );
+        dc->SetClippingRegion( m_x , m_y , m_width , m_height ) ;
+    }
 }
 
-void wxOverlayImpl::EndDrawing( wxWindowDC* dc)
+void wxOverlayImpl::EndDrawing( wxDC* dc)
 {
-    dc->SetGraphicsContext(NULL);
+    wxDCImpl *impl = dc->GetImpl();
+    wxGCDCImpl *win_impl = wxDynamicCast(impl,wxGCDCImpl);
+    if (win_impl)
+        win_impl->SetGraphicsContext(NULL);
+
     CGContextFlush( m_overlayContext );
 }
 
-void wxOverlayImpl::Clear(wxWindowDC* WXUNUSED(dc))
+void wxOverlayImpl::Clear(wxDC* WXUNUSED(dc))
 {
     wxASSERT_MSG( IsOk() , _("You cannot Clear an overlay that is not inited") );
     CGRect box  = CGRectMake( m_x - 1, m_y - 1 , m_width + 2 , m_height + 2 );
@@ -158,7 +166,10 @@ void wxOverlayImpl::Reset()
     {
 #ifndef __LP64__
         OSStatus err = QDEndCGContext(GetWindowPort(m_overlayWindow), &m_overlayContext);
-        wxASSERT_MSG(  err == noErr , _("Couldn't end the context on the overlay window") );
+        if ( err != noErr )
+        {
+            wxFAIL_MSG("Couldn't end the context on the overlay window");
+        }
 #endif
         m_overlayContext = NULL ;
     }