X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/248802d0100093c48f67a60a6463d7765f14d5f0..797e38dde12c5dc2d99070eef25d9b8c2549d621:/src/mac/carbon/graphics.cpp

diff --git a/src/mac/carbon/graphics.cpp b/src/mac/carbon/graphics.cpp
old mode 100755
new mode 100644
index a36821fc53..b2bcb0788a
--- a/src/mac/carbon/graphics.cpp
+++ b/src/mac/carbon/graphics.cpp
@@ -17,6 +17,7 @@
 
 #ifndef WX_PRECOMP
     #include "wx/dcclient.h"
+    #include "wx/dcmemory.h"
     #include "wx/log.h"
     #include "wx/region.h"
 #endif
@@ -1836,6 +1837,9 @@ void wxMacCoreGraphicsContext::GetTextExtent( const wxString &str, wxDouble *wid
         *width = FixedToInt(textAfter - textBefore);
 
     ::ATSUDisposeTextLayout(atsuLayout);
+#if SIZEOF_WCHAR_T == 4
+    free( ubuf ) ;
+#endif
 }
 
 void wxMacCoreGraphicsContext::GetPartialTextExtents(const wxString& text, wxArrayDouble& widths) const
@@ -1894,6 +1898,9 @@ void wxMacCoreGraphicsContext::GetPartialTextExtents(const wxString& text, wxArr
     }
 
     ::ATSUDisposeTextLayout(atsuLayout);
+#if SIZEOF_WCHAR_T == 4
+    free( ubuf ) ;
+#endif
 }
 
 void * wxMacCoreGraphicsContext::GetNativeContext()
@@ -2007,7 +2014,16 @@ wxGraphicsRenderer* wxGraphicsRenderer::GetDefaultRenderer()
 
 wxGraphicsContext * wxMacCoreGraphicsRenderer::CreateContext( const wxWindowDC& dc)
 {
-   return new wxMacCoreGraphicsContext(this,(CGContextRef)dc.GetWindow()->MacGetCGContextRef() );
+    wxMemoryDC* mdc = wxDynamicCast(&dc, wxMemoryDC);
+    if ( mdc )
+    {
+        return new wxMacCoreGraphicsContext(this, 
+            (CGContextRef)mdc->GetGraphicsContext()->GetNativeContext());
+    }
+    else
+    {
+        return new wxMacCoreGraphicsContext(this,(CGContextRef)dc.GetWindow()->MacGetCGContextRef() );
+    }
 }
 
 wxGraphicsContext * wxMacCoreGraphicsRenderer::CreateContextFromNativeContext( void * context )