X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/519cb848a8f4c91c73421bb75314754284e593a4..bada28f00f12666ef31f0543cea2cde86b7935c7:/src/mac/carbon/dcmemory.cpp

diff --git a/src/mac/carbon/dcmemory.cpp b/src/mac/carbon/dcmemory.cpp
index 28a652368a..a56c7b5c49 100644
--- a/src/mac/carbon/dcmemory.cpp
+++ b/src/mac/carbon/dcmemory.cpp
@@ -33,10 +33,20 @@ wxMemoryDC::wxMemoryDC( wxDC *WXUNUSED(dc) )
 
 wxMemoryDC::~wxMemoryDC(void)
 {
+	if ( m_selected.Ok() )
+	{
+		wxBitmapRefData * bmap = (wxBitmapRefData*) (m_selected.GetRefData()) ;
+		UnlockPixels( GetGWorldPixMap(  (CGrafPtr) bmap->m_hBitmap ) ) ;
+	}
 };
 
 void wxMemoryDC::SelectObject( const wxBitmap& bitmap )
 {
+	if ( m_selected.Ok() )
+	{
+		wxBitmapRefData * bmap = (wxBitmapRefData*) (m_selected.GetRefData()) ;
+		UnlockPixels( GetGWorldPixMap(  (CGrafPtr) bmap->m_hBitmap ) ) ;
+	}
   m_selected = bitmap;
   if (m_selected.Ok())
   {
@@ -44,6 +54,12 @@ void wxMemoryDC::SelectObject( const wxBitmap& bitmap )
 		if ( bmap->m_hBitmap )
 		{
 			m_macPort = (GrafPtr) bmap->m_hBitmap ;
+			LockPixels( GetGWorldPixMap(  (CGrafPtr)  m_macPort ) ) ;
+			wxMask * mask = bitmap.GetMask() ;
+			if ( mask )
+			{
+				m_macMask = mask->GetMaskBitmap() ;
+			}
 			MacSetupPort() ;
  			m_ok = TRUE ;
 			// SetBackground(wxBrush(*wxWHITE, wxSOLID));