lock/unlockFocus when doing the copy in SelectObject

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@22707 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

diff --git a/src/cocoa/dcmemory.mm b/src/cocoa/dcmemory.mm
index 10b01be3b3d9b4d160816a5c48a791d95340a77c..aead8b59e10eee62161882c26719f514787f848f 100644 (file)
--- a/src/cocoa/dcmemory.mm
+++ b/src/cocoa/dcmemory.mm
@@ -90,10 +90,12 @@ void wxMemoryDC::SelectObject( const wxBitmap& bitmap )
                 initWithSize:NSMakeSize(m_selectedBitmap.GetWidth(),
                     m_selectedBitmap.GetHeight())];
         [nsimage addRepresentation: const_cast<wxBitmap&>(m_selectedBitmap).GetNSBitmapImageRep()];
+        [m_cocoaNSImage lockFocus];
         [nsimage drawAtPoint: NSMakePoint(0,0)
             fromRect: NSMakeRect(0.0,0.0,m_selectedBitmap.GetWidth(),m_selectedBitmap.GetHeight())
             operation: NSCompositeCopy
             fraction: 1.0];
+        [m_cocoaNSImage unlockFocus];
         
         [nsimage release];
     }