always use hw-accel, fixes #15536, applied with thanks

[wxWidgets.git] / src / osx / carbon / dcscreen.cpp

diff --git a/src/osx/carbon/dcscreen.cpp b/src/osx/carbon/dcscreen.cpp
index 3b9e51541adc50258516ecd0b0fa8667b4bd5f72..81761d364d8dca8dfb5d0d486c8ebd1133d86ba3 100644 (file)
--- a/src/osx/carbon/dcscreen.cpp
+++ b/src/osx/carbon/dcscreen.cpp
@@ -4,7 +4,6 @@
 // Author:      Stefan Csomor
 // Modified by:
 // Created:     1998-01-01
-// RCS-ID:      $Id$
 // Copyright:   (c) Stefan Csomor
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
@@ -56,8 +55,7 @@ wxScreenDCImpl::wxScreenDCImpl( wxDC *owner ) :
 
 wxScreenDCImpl::~wxScreenDCImpl()
 {
-    delete m_graphicContext;
-    m_graphicContext = NULL;
+    wxDELETE(m_graphicContext);
 #if wxOSX_USE_COCOA_OR_IPHONE
 #else
     DisposeWindow((WindowRef) m_overlayWindow );
@@ -90,12 +88,23 @@ wxBitmap wxScreenDCImpl::DoGetAsBitmap(const wxRect *subrect) const
     if ( subrect )
         srcRect = CGRectOffset( srcRect, -subrect->x, -subrect->y ) ;
 
-    CGImageRef image = grabViaOpenGL(kCGNullDirectDisplay, srcRect);
+    CGImageRef image = NULL;
+    
+#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_6
+    if ( UMAGetSystemVersion() >= 10.6)
+    {
+        image = CGDisplayCreateImage(kCGDirectMainDisplay);
+    }
+    else
+#endif
+    {
+        image = grabViaOpenGL(kCGNullDirectDisplay, srcRect);
+    }
 
     wxASSERT_MSG(image, wxT("wxScreenDC::GetAsBitmap - unable to get screenshot."));
 
     CGContextDrawImage(context, srcRect, image);
-    
+
     CGImageRelease(image);
 
     CGContextRestoreGState(context);