Fix recurring typo in "theming".

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

diff --git a/src/osx/carbon/graphics.cpp b/src/osx/carbon/graphics.cpp
index 7d60feaefccee38c4f0456799a92c512cef11a7d..d5f4f7e7045c24073ba2bd87f2090ef49b11d77d 100644 (file)
--- a/src/osx/carbon/graphics.cpp
+++ b/src/osx/carbon/graphics.cpp
@@ -5,7 +5,7 @@
 // Modified by:
 // Created:     01/02/97
 // RCS-ID:      $Id$
 // Modified by:
 // Created:     01/02/97
 // RCS-ID:      $Id$

-// Copyright:   (c) Stefan Csomor
+// copyright:   (c) Stefan Csomor

 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 


@@ -39,12 +39,7 @@
     #include "wx/osx/dcprint.h"
     #include "wx/osx/dcclient.h"
     #include "wx/osx/dcmemory.h"
     #include "wx/osx/dcprint.h"
     #include "wx/osx/dcclient.h"
     #include "wx/osx/dcmemory.h"

-#if wxOSX_USE_CARBON
-#include "wx/osx/uma.h"
-#else
-#include "wx/osx/private.h"
-#endif
-
+    #include "wx/osx/private.h"

 #else
     #include "CoreServices/CoreServices.h"
     #include "ApplicationServices/ApplicationServices.h"
 #else
     #include "CoreServices/CoreServices.h"
     #include "ApplicationServices/ApplicationServices.h"


@@ -76,6 +71,44 @@ int UMAGetSystemVersion()
 
 #endif
 
 
 #endif
 

+#if wxOSX_USE_COCOA_OR_IPHONE
+extern CGContextRef wxOSXGetContextFromCurrentContext() ;
+#if wxOSX_USE_COCOA
+extern bool wxOSXLockFocus( WXWidget view) ;
+extern void wxOSXUnlockFocus( WXWidget view) ;
+#endif
+#endif
+
+#if 1 // MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_5
+
+// TODO test whether this private API also works under 10.3
+
+// copying values from NSCompositingModes (see also webkit and cairo sources)
+
+typedef enum CGCompositeOperation {
+   kCGCompositeOperationClear           = 0,
+   kCGCompositeOperationCopy            = 1,
+   kCGCompositeOperationSourceOver      = 2,
+   kCGCompositeOperationSourceIn        = 3,
+   kCGCompositeOperationSourceOut       = 4,
+   kCGCompositeOperationSourceAtop      = 5,
+   kCGCompositeOperationDestinationOver = 6,
+   kCGCompositeOperationDestinationIn   = 7,
+   kCGCompositeOperationDestinationOut  = 8,
+   kCGCompositeOperationDestinationAtop = 9,
+   kCGCompositeOperationXOR             = 10,
+   kCGCompositeOperationPlusDarker      = 11,
+// NS only, unsupported by CG : Highlight
+   kCGCompositeOperationPlusLighter     = 12
+} CGCompositeOperation ;
+
+extern "C"
+{
+   CG_EXTERN void CGContextSetCompositeOperation (CGContextRef context, int operation);
+} ;
+
+#endif
+

 //-----------------------------------------------------------------------------
 // constants
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
 // constants
 //-----------------------------------------------------------------------------


@@ -140,7 +173,7 @@ CGColorRef wxMacCreateCGColor( const wxColour& col )
 CTFontRef wxMacCreateCTFont( const wxFont& font )
 {
 #ifdef __WXMAC__
 CTFontRef wxMacCreateCTFont( const wxFont& font )
 {
 #ifdef __WXMAC__

-    return wxCFRetain((CTFontRef) font.MacGetCTFont());
+    return wxCFRetain((CTFontRef) font.OSXGetCTFont());

 #else
     return CTFontCreateWithName( wxCFStringRef( font.GetFaceName(), wxLocale::GetSystemEncoding() ) , font.GetPointSize() , NULL );
 #endif
 #else
     return CTFontCreateWithName( wxCFStringRef( font.GetFaceName(), wxLocale::GetSystemEncoding() ) , font.GetPointSize() , NULL );
 #endif


@@ -532,12 +565,7 @@ void wxMacCoreGraphicsPenData::Apply( wxGraphicsContext* context )
     }
     else
     {
     }
     else
     {

-        if ( context->GetLogicalFunction() == wxINVERT || context->GetLogicalFunction() == wxXOR )
-        {
-            CGContextSetRGBStrokeColor( cg , (CGFloat) 1.0,(CGFloat)  1.0 , (CGFloat) 1.0, (CGFloat) 1.0 );
-        }
-        else
-            CGContextSetStrokeColorWithColor( cg , m_color );
+        CGContextSetStrokeColorWithColor( cg , m_color );

     }
 }
 
     }
 }
 


@@ -789,7 +817,7 @@ public:
     virtual ATSUStyle GetATSUStyle() { return m_macATSUIStyle; }
 #endif
 #if wxOSX_USE_CORE_TEXT
     virtual ATSUStyle GetATSUStyle() { return m_macATSUIStyle; }
 #endif
 #if wxOSX_USE_CORE_TEXT

-    CTFontRef GetCTFont() const { return m_ctFont ; }
+    CTFontRef OSXGetCTFont() const { return m_ctFont ; }

 #endif
     wxColour GetColour() const { return m_colour ; }
 
 #endif
     wxColour GetColour() const { return m_colour ; }
 


@@ -833,7 +861,7 @@ wxMacCoreGraphicsFontData::wxMacCoreGraphicsFontData(wxGraphicsRenderer* rendere
 
     // we need the scale here ...
 
 
     // we need the scale here ...
 

-    Fixed atsuSize = IntToFixed( int( 1 * font.MacGetFontSize()) );
+    Fixed atsuSize = IntToFixed( int( 1 * font.GetPointSize()) );

     RGBColor atsuColor ;
     col.GetRGBColor( &atsuColor );
     ATSUAttributeTag atsuTags[] =
     RGBColor atsuColor ;
     col.GetRGBColor( &atsuColor );
     ATSUAttributeTag atsuTags[] =


@@ -841,19 +869,19 @@ wxMacCoreGraphicsFontData::wxMacCoreGraphicsFontData(wxGraphicsRenderer* rendere
             kATSUSizeTag ,
             kATSUColorTag ,
     };
             kATSUSizeTag ,
             kATSUColorTag ,
     };

-    ByteCount atsuSizes[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] =
+    ByteCount atsuSizes[WXSIZEOF(atsuTags)] =

     {
             sizeof( Fixed ) ,
             sizeof( RGBColor ) ,
     };
     {
             sizeof( Fixed ) ,
             sizeof( RGBColor ) ,
     };

-    ATSUAttributeValuePtr atsuValues[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] =
+    ATSUAttributeValuePtr atsuValues[WXSIZEOF(atsuTags)] =

     {
             &atsuSize ,
             &atsuColor ,
     };
 
     status = ::ATSUSetAttributes(
     {
             &atsuSize ,
             &atsuColor ,
     };
 
     status = ::ATSUSetAttributes(

-        m_macATSUIStyle, sizeof(atsuTags) / sizeof(ATSUAttributeTag) ,
+        m_macATSUIStyle, WXSIZEOF(atsuTags),

         atsuTags, atsuSizes, atsuValues);
 
     wxASSERT_MSG( status == noErr , wxT("couldn't modify ATSU style") );
         atsuTags, atsuSizes, atsuValues);
 
     wxASSERT_MSG( status == noErr , wxT("couldn't modify ATSU style") );


@@ -1145,7 +1173,7 @@ public :
     // gets the bounding box enclosing all points (possibly including control points)
     virtual void GetBox(wxDouble *x, wxDouble *y, wxDouble *w, wxDouble *y) const;
 
     // gets the bounding box enclosing all points (possibly including control points)
     virtual void GetBox(wxDouble *x, wxDouble *y, wxDouble *w, wxDouble *y) const;
 

-    virtual bool Contains( wxDouble x, wxDouble y, int fillStyle = wxODDEVEN_RULE) const;
+    virtual bool Contains( wxDouble x, wxDouble y, wxPolygonFillMode fillStyle = wxODDEVEN_RULE) const;

 private :
     CGMutablePathRef m_path;
 };
 private :
     CGMutablePathRef m_path;
 };


@@ -1256,7 +1284,7 @@ void wxMacCoreGraphicsPathData::GetBox(wxDouble *x, wxDouble *y, wxDouble *w, wx
     *h = bounds.size.height;
 }
 
     *h = bounds.size.height;
 }
 

-bool wxMacCoreGraphicsPathData::Contains( wxDouble x, wxDouble y, int fillStyle) const
+bool wxMacCoreGraphicsPathData::Contains( wxDouble x, wxDouble y, wxPolygonFillMode fillStyle) const

 {
     return CGPathContainsPoint( m_path, NULL, CGPointMake((CGFloat) x,(CGFloat) y), fillStyle == wxODDEVEN_RULE );
 }
 {
     return CGPathContainsPoint( m_path, NULL, CGPointMake((CGFloat) x,(CGFloat) y), fillStyle == wxODDEVEN_RULE );
 }


@@ -1314,7 +1342,14 @@ public:
 
     virtual void * GetNativeContext();
 
 
     virtual void * GetNativeContext();
 

-    bool SetLogicalFunction( int function );
+    virtual bool SetAntialiasMode(wxAntialiasMode antialias);
+
+    virtual bool SetCompositionMode(wxCompositionMode op);
+
+    virtual void BeginLayer(wxDouble opacity);
+
+    virtual void EndLayer();
+

     //
     // transformation
     //
     //
     // transformation
     //


@@ -1344,10 +1379,10 @@ public:
     virtual void StrokePath( const wxGraphicsPath &path );
 
     // fills a path with the current brush
     virtual void StrokePath( const wxGraphicsPath &path );
 
     // fills a path with the current brush

-    virtual void FillPath( const wxGraphicsPath &path, int fillStyle = wxODDEVEN_RULE );
+    virtual void FillPath( const wxGraphicsPath &path, wxPolygonFillMode fillStyle = wxODDEVEN_RULE );

 
     // draws a path by first filling and then stroking
 
     // draws a path by first filling and then stroking

-    virtual void DrawPath( const wxGraphicsPath &path, int fillStyle = wxODDEVEN_RULE );
+    virtual void DrawPath( const wxGraphicsPath &path, wxPolygonFillMode fillStyle = wxODDEVEN_RULE );

 
     virtual bool ShouldOffset() const
     {
 
     virtual bool ShouldOffset() const
     {


@@ -1384,7 +1419,7 @@ public:
     DECLARE_DYNAMIC_CLASS_NO_COPY(wxMacCoreGraphicsContext)
 
 private:
     DECLARE_DYNAMIC_CLASS_NO_COPY(wxMacCoreGraphicsContext)
 
 private:

-    void EnsureIsValid();
+    bool EnsureIsValid();

 
     virtual void DoDrawText( const wxString &str, wxDouble x, wxDouble y );
     virtual void DoDrawRotatedText( const wxString &str, wxDouble x, wxDouble y, wxDouble angle );
 
     virtual void DoDrawText( const wxString &str, wxDouble x, wxDouble y );
     virtual void DoDrawRotatedText( const wxString &str, wxDouble x, wxDouble y, wxDouble angle );


@@ -1392,13 +1427,16 @@ private:
     CGContextRef m_cgContext;
 #if wxOSX_USE_CARBON
     WindowRef m_windowRef;
     CGContextRef m_cgContext;
 #if wxOSX_USE_CARBON
     WindowRef m_windowRef;

+#else
+    WXWidget m_view;

 #endif
 #endif

-    bool m_releaseContext;
+    bool m_contextSynthesized;

     CGAffineTransform m_windowTransform;
     wxDouble m_width;
     wxDouble m_height;
     CGAffineTransform m_windowTransform;
     wxDouble m_width;
     wxDouble m_height;

+    bool m_invisible;

 
 

-#if wxOSX_USE_CARBON
+#if wxOSX_USE_COCOA_OR_CARBON

     wxCFRef<HIShapeRef> m_clipRgn;
 #endif
 };
     wxCFRef<HIShapeRef> m_clipRgn;
 #endif
 };


@@ -1444,12 +1482,16 @@ public :
 void wxMacCoreGraphicsContext::Init()
 {
     m_cgContext = NULL;
 void wxMacCoreGraphicsContext::Init()
 {
     m_cgContext = NULL;

-    m_releaseContext = false;
+    m_contextSynthesized = false;
+    m_width = 0;
+    m_height = 0;

 #if wxOSX_USE_CARBON
     m_windowRef = NULL;
 #endif
 #if wxOSX_USE_CARBON
     m_windowRef = NULL;
 #endif

-    m_width = 0;
-    m_height = 0;
+#if wxOSX_USE_COCOA_OR_IPHONE
+    m_view = NULL;
+#endif
+    m_invisible = false;

 }
 
 wxMacCoreGraphicsContext::wxMacCoreGraphicsContext( wxGraphicsRenderer* renderer, CGContextRef cgcontext, wxDouble width, wxDouble height ) : wxGraphicsContext(renderer)
 }
 
 wxMacCoreGraphicsContext::wxMacCoreGraphicsContext( wxGraphicsRenderer* renderer, CGContextRef cgcontext, wxDouble width, wxDouble height ) : wxGraphicsContext(renderer)


@@ -1472,19 +1514,35 @@ wxMacCoreGraphicsContext::wxMacCoreGraphicsContext( wxGraphicsRenderer* renderer
 {
     Init();
 
 {
     Init();
 

+    wxSize sz = window->GetSize();
+    m_width = sz.x;
+    m_height = sz.y;
+
+#if wxOSX_USE_COCOA_OR_IPHONE
+    m_view = window->GetHandle();
+
+#if wxOSX_USE_COCOA
+    if ( ! window->GetPeer()->IsFlipped() )
+    {
+        m_windowTransform = CGAffineTransformMakeTranslation( 0 , m_height );
+        m_windowTransform = CGAffineTransformScale( m_windowTransform , 1 , -1 );
+    }
+    else
+#endif
+    {
+        m_windowTransform = CGAffineTransformIdentity;
+    }
+#else

     int originX , originY;
     originX = originY = 0;
     int originX , originY;
     originX = originY = 0;

-

     Rect bounds = { 0,0,0,0 };
     Rect bounds = { 0,0,0,0 };

-#if defined(__WXCOCOA__) || !wxOSX_USE_CARBON
-#else

     m_windowRef = (WindowRef) window->MacGetTopLevelWindowRef();
     window->MacWindowToRootWindow( &originX , &originY );
     GetWindowBounds( m_windowRef, kWindowContentRgn, &bounds );
     m_windowRef = (WindowRef) window->MacGetTopLevelWindowRef();
     window->MacWindowToRootWindow( &originX , &originY );
     GetWindowBounds( m_windowRef, kWindowContentRgn, &bounds );

-#endif

     m_windowTransform = CGAffineTransformMakeTranslation( 0 , bounds.bottom - bounds.top );
     m_windowTransform = CGAffineTransformScale( m_windowTransform , 1 , -1 );
     m_windowTransform = CGAffineTransformTranslate( m_windowTransform, originX, originY ) ;
     m_windowTransform = CGAffineTransformMakeTranslation( 0 , bounds.bottom - bounds.top );
     m_windowTransform = CGAffineTransformScale( m_windowTransform , 1 , -1 );
     m_windowTransform = CGAffineTransformTranslate( m_windowTransform, originX, originY ) ;

+#endif

 }
 
 wxMacCoreGraphicsContext::wxMacCoreGraphicsContext(wxGraphicsRenderer* renderer) : wxGraphicsContext(renderer)
 }
 
 wxMacCoreGraphicsContext::wxMacCoreGraphicsContext(wxGraphicsRenderer* renderer) : wxGraphicsContext(renderer)


@@ -1533,112 +1591,247 @@ void wxMacCoreGraphicsContext::Flush()
     CGContextFlush(m_cgContext);
 }
 
     CGContextFlush(m_cgContext);
 }
 

-void wxMacCoreGraphicsContext::EnsureIsValid()
+bool wxMacCoreGraphicsContext::EnsureIsValid()

 {
     if ( !m_cgContext )
     {
 {
     if ( !m_cgContext )
     {

-#if defined(__WXCOCOA__) || ! wxOSX_USE_CARBON
-        wxFAIL_MSG("Cannot create wxDCs lazily");
-#else
+        if (m_invisible)
+            return false;
+
+#if wxOSX_USE_COCOA
+        if ( wxOSXLockFocus(m_view) )
+        {
+            m_cgContext = wxOSXGetContextFromCurrentContext();
+            wxASSERT_MSG( m_cgContext != NULL, wxT("Unable to retrieve drawing context from View"));
+        }
+        else
+        {
+            m_invisible = true;
+        }
+#endif
+#if wxOSX_USE_IPHONE
+        m_cgContext = wxOSXGetContextFromCurrentContext();
+        if ( m_cgContext == NULL )
+        {
+            m_invisible = true;
+        }
+#endif
+#if wxOSX_USE_CARBON

         OSStatus status = QDBeginCGContext( GetWindowPort( m_windowRef ) , &m_cgContext );
         if ( status != noErr )
         {
             wxFAIL_MSG("Cannot nest wxDCs on the same window");
         }
         OSStatus status = QDBeginCGContext( GetWindowPort( m_windowRef ) , &m_cgContext );
         if ( status != noErr )
         {
             wxFAIL_MSG("Cannot nest wxDCs on the same window");
         }

-
-        CGContextConcatCTM( m_cgContext, m_windowTransform );
-        CGContextSaveGState( m_cgContext );
-        m_releaseContext = true;
-        if ( m_clipRgn.get() )
+#endif
+        if ( m_cgContext )

         {
         {

-            // the clip region is in device coordinates, so we convert this again to user coordinates
-            wxCFRef<HIMutableShapeRef> hishape( HIShapeCreateMutableCopy( m_clipRgn ) );
-            CGPoint transformedOrigin = CGPointApplyAffineTransform( CGPointZero,m_windowTransform);
-            HIShapeOffset( hishape, -transformedOrigin.x, -transformedOrigin.y );
-            // if the shape is empty, HIShapeReplacePathInCGContext doesn't work
-            if ( HIShapeIsEmpty(hishape))
+            CGContextConcatCTM( m_cgContext, m_windowTransform );
+            CGContextSaveGState( m_cgContext );
+            m_contextSynthesized = true;
+#if wxOSX_USE_COCOA_OR_CARBON
+            if ( m_clipRgn.get() )

             {
             {

-                CGRect empty = CGRectMake( 0,0,0,0 );
-                CGContextClipToRect( m_cgContext, empty );
+                // the clip region is in device coordinates, so we convert this again to user coordinates
+                wxCFRef<HIMutableShapeRef> hishape( HIShapeCreateMutableCopy( m_clipRgn ) );
+                CGPoint transformedOrigin = CGPointApplyAffineTransform( CGPointZero,m_windowTransform);
+                HIShapeOffset( hishape, -transformedOrigin.x, -transformedOrigin.y );
+                // if the shape is empty, HIShapeReplacePathInCGContext doesn't work
+                if ( HIShapeIsEmpty(hishape))
+                {
+                    CGRect empty = CGRectMake( 0,0,0,0 );
+                    CGContextClipToRect( m_cgContext, empty );
+                }
+                else
+                {
+                    HIShapeReplacePathInCGContext( hishape, m_cgContext );
+                    CGContextClip( m_cgContext );
+                }

             }
             }

-            else
+#endif
+            CGContextSaveGState( m_cgContext );
+
+#if 0 // turn on for debugging of clientdc
+            static float color = 0.5 ;
+            static int channel = 0 ;
+            CGRect bounds = CGRectMake(-1000,-1000,2000,2000);
+            CGContextSetRGBFillColor( m_cgContext, channel == 0 ? color : 0.5 ,
+                channel == 1 ? color : 0.5 , channel == 2 ? color : 0.5 , 1 );
+            CGContextFillRect( m_cgContext, bounds );
+            color += 0.1 ;
+            if ( color > 0.9 )

             {
             {

-                HIShapeReplacePathInCGContext( hishape, m_cgContext );
-                CGContextClip( m_cgContext );
+                color = 0.5 ;
+                channel++ ;
+                if ( channel == 3 )
+                    channel = 0 ;

             }
             }

-        }
-        CGContextSaveGState( m_cgContext );

 #endif
 #endif

+        }

     }
     }

+    return m_cgContext != NULL;

 }
 
 }
 

-// TODO test whether the private CGContextSetCompositeOperation works under 10.3 (using NSCompositingModes)
+bool wxMacCoreGraphicsContext::SetAntialiasMode(wxAntialiasMode antialias)
+{
+    if (EnsureIsValid()==false)
+        return true;
+
+    if (m_antialias == antialias)
+        return true;
+
+    m_antialias = antialias;
+
+    bool antialiasMode;
+    switch (antialias)
+    {
+        case wxANTIALIAS_DEFAULT:
+            antialiasMode = true;
+            break;
+        case wxANTIALIAS_NONE:
+            antialiasMode = false;
+            break;
+        default:
+            return false;
+    }
+    CGContextSetShouldAntialias(m_cgContext, antialiasMode);
+    return true;
+}

 
 

-bool wxMacCoreGraphicsContext::SetLogicalFunction( wxRasterOperationMode function )
+bool wxMacCoreGraphicsContext::SetCompositionMode(wxCompositionMode op)

 {
 {

-    if (m_logicalFunction == function)
+    if (EnsureIsValid()==false)

         return true;
 
         return true;
 

-    EnsureIsValid();
+    if ( m_composition == op )
+        return true;

 
 

-    bool retval = false;
-    bool shouldAntiAlias = true;
-    CGBlendMode mode = kCGBlendModeNormal;
+    m_composition = op;

 
 

-#if defined(__WXMAC__) && ( wxOSX_USE_IPHONE || ( MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5 ) )
-#if wxOSX_USE_IPHONE
-    if ( 1 )
-#else
-    if ( UMAGetSystemVersion() >= 0x1050 )
-#endif
+    if (m_composition == wxCOMPOSITION_DEST)
+        return true;
+
+#if wxOSX_USE_COCOA_OR_CARBON
+    if ( UMAGetSystemVersion() < 0x1060 )

     {
     {

-        retval = true;
-        switch ( function )
+        CGCompositeOperation cop = kCGCompositeOperationSourceOver;
+        CGBlendMode mode = kCGBlendModeNormal;
+        switch( op )

         {
         {

-            // TODO find best corresponding porter duff modes
-            case wxCOPY :
-                mode = kCGBlendModeCopy;
-                break;
-            case wxCLEAR :
-                mode = kCGBlendModeClear;
-                break;
-            case wxXOR :
-                mode = kCGBlendModeXOR;
-                shouldAntiAlias = false;
-                break;
-            default :
-                retval = false;
-                break;
+        case wxCOMPOSITION_CLEAR:
+            cop = kCGCompositeOperationClear;
+            break;
+        case wxCOMPOSITION_SOURCE:
+            cop = kCGCompositeOperationCopy;
+            break;
+        case wxCOMPOSITION_OVER:
+            mode = kCGBlendModeNormal;
+            break;
+        case wxCOMPOSITION_IN:
+            cop = kCGCompositeOperationSourceIn;
+            break;
+        case wxCOMPOSITION_OUT:
+            cop = kCGCompositeOperationSourceOut;
+            break;
+        case wxCOMPOSITION_ATOP:
+            cop = kCGCompositeOperationSourceAtop;
+            break;
+        case wxCOMPOSITION_DEST_OVER:
+            cop = kCGCompositeOperationDestinationOver;
+            break;
+        case wxCOMPOSITION_DEST_IN:
+            cop = kCGCompositeOperationDestinationIn;
+            break;
+        case wxCOMPOSITION_DEST_OUT:
+            cop = kCGCompositeOperationDestinationOut;
+            break;
+        case wxCOMPOSITION_DEST_ATOP:
+           cop = kCGCompositeOperationDestinationAtop;
+            break;
+        case wxCOMPOSITION_XOR:
+            cop = kCGCompositeOperationXOR;
+            break;
+#if MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_5
+        case wxCOMPOSITION_ADD:
+            mode = kCGBlendModePlusLighter ;
+            break;
+#endif
+        default:
+            return false;

         }
         }

+        if ( cop != kCGCompositeOperationSourceOver )
+            CGContextSetCompositeOperation(m_cgContext, cop);
+        else
+            CGContextSetBlendMode(m_cgContext, mode);

     }
     }

-    else

 #endif
 #endif

+#if MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_5
+    else

     {
     {

-        if ( function == wxCOPY )
-        {
-            retval = true;
-        }
-        else if ( function == wxINVERT || function == wxXOR )
+        CGBlendMode mode = kCGBlendModeNormal;
+        switch( op )

         {
         {

-            // change color to white
-            mode = kCGBlendModeExclusion;
-            shouldAntiAlias = false;
-            retval = true;
+        case wxCOMPOSITION_CLEAR:
+            mode = kCGBlendModeClear;
+            break;
+        case wxCOMPOSITION_SOURCE:
+            mode = kCGBlendModeCopy;
+            break;
+        case wxCOMPOSITION_OVER:
+            mode = kCGBlendModeNormal;
+            break;
+        case wxCOMPOSITION_IN:
+            mode = kCGBlendModeSourceIn;
+            break;
+        case wxCOMPOSITION_OUT:
+            mode = kCGBlendModeSourceOut;
+            break;
+        case wxCOMPOSITION_ATOP:
+            mode = kCGBlendModeSourceAtop;
+            break;
+        case wxCOMPOSITION_DEST_OVER:
+            mode = kCGBlendModeDestinationOver;
+            break;
+        case wxCOMPOSITION_DEST_IN:
+            mode = kCGBlendModeDestinationIn;
+            break;
+        case wxCOMPOSITION_DEST_OUT:
+            mode = kCGBlendModeDestinationOut;
+            break;
+        case wxCOMPOSITION_DEST_ATOP:
+           mode = kCGBlendModeDestinationAtop;
+            break;
+        case wxCOMPOSITION_XOR:
+            mode = kCGBlendModeXOR;
+            break;
+
+        case wxCOMPOSITION_ADD:
+            mode = kCGBlendModePlusLighter ;
+            break;
+        default:
+            return false;

         }
         }

+        CGContextSetBlendMode(m_cgContext, mode);

     }
     }

+#endif
+    return true;
+}

 
 

-    if (retval)
-    {
-        m_logicalFunction = function;
-        CGContextSetBlendMode( m_cgContext, mode );
-        CGContextSetShouldAntialias(m_cgContext, shouldAntiAlias);
-    }
-    return retval ;
+void wxMacCoreGraphicsContext::BeginLayer(wxDouble opacity)
+{
+    CGContextSaveGState(m_cgContext);
+    CGContextSetAlpha(m_cgContext, (CGFloat) opacity);
+    CGContextBeginTransparencyLayer(m_cgContext, 0);
+}
+
+void wxMacCoreGraphicsContext::EndLayer()
+{
+    CGContextEndTransparencyLayer(m_cgContext);
+    CGContextRestoreGState(m_cgContext);

 }
 
 void wxMacCoreGraphicsContext::Clip( const wxRegion &region )
 {
 }
 
 void wxMacCoreGraphicsContext::Clip( const wxRegion &region )
 {

-#if wxOSX_USE_CARBON
+#if wxOSX_USE_COCOA_OR_CARBON

     if( m_cgContext )
     {
         wxCFRef<HIShapeRef> shape = wxCFRefFromGet(region.GetWXHRGN());
     if( m_cgContext )
     {
         wxCFRef<HIShapeRef> shape = wxCFRefFromGet(region.GetWXHRGN());


@@ -1680,7 +1873,7 @@ void wxMacCoreGraphicsContext::Clip( wxDouble x, wxDouble y, wxDouble w, wxDoubl
     }
     else
     {
     }
     else
     {

-#if wxOSX_USE_CARBON
+#if wxOSX_USE_COCOA_OR_CARBON

         // the clipping itself must be stored as device coordinates, otherwise
         // we cannot apply it back correctly
         r.origin= CGPointApplyAffineTransform( r.origin, m_windowTransform );
         // the clipping itself must be stored as device coordinates, otherwise
         // we cannot apply it back correctly
         r.origin= CGPointApplyAffineTransform( r.origin, m_windowTransform );


@@ -1709,7 +1902,7 @@ void wxMacCoreGraphicsContext::ResetClip()
     }
     else
     {
     }
     else
     {

-#if wxOSX_USE_CARBON
+#if wxOSX_USE_COCOA_OR_CARBON

         m_clipRgn.reset();
 #else
     // allow usage as measuring context
         m_clipRgn.reset();
 #else
     // allow usage as measuring context


@@ -1723,7 +1916,11 @@ void wxMacCoreGraphicsContext::StrokePath( const wxGraphicsPath &path )
     if ( m_pen.IsNull() )
         return ;
 
     if ( m_pen.IsNull() )
         return ;
 

-    EnsureIsValid();
+    if (EnsureIsValid()==false)
+        return;
+
+    if (m_composition == wxCOMPOSITION_DEST)
+        return;

 
     wxQuartzOffsetHelper helper( m_cgContext , ShouldOffset() );
 
 
     wxQuartzOffsetHelper helper( m_cgContext , ShouldOffset() );
 


@@ -1732,8 +1929,14 @@ void wxMacCoreGraphicsContext::StrokePath( const wxGraphicsPath &path )
     CGContextStrokePath( m_cgContext );
 }
 
     CGContextStrokePath( m_cgContext );
 }
 

-void wxMacCoreGraphicsContext::DrawPath( const wxGraphicsPath &path , int fillStyle )
+void wxMacCoreGraphicsContext::DrawPath( const wxGraphicsPath &path , wxPolygonFillMode fillStyle )

 {
 {

+    if (EnsureIsValid()==false)
+        return;
+
+    if (m_composition == wxCOMPOSITION_DEST)
+        return;
+

     if ( !m_brush.IsNull() && ((wxMacCoreGraphicsBrushData*)m_brush.GetRefData())->IsShading() )
     {
         // when using shading, we cannot draw pen and brush at the same time
     if ( !m_brush.IsNull() && ((wxMacCoreGraphicsBrushData*)m_brush.GetRefData())->IsShading() )
     {
         // when using shading, we cannot draw pen and brush at the same time


@@ -1768,8 +1971,6 @@ void wxMacCoreGraphicsContext::DrawPath( const wxGraphicsPath &path , int fillSt
         }
     }
 
         }
     }
 

-    EnsureIsValid();
-

     if ( !m_brush.IsNull() )
         ((wxMacCoreGraphicsBrushData*)m_brush.GetRefData())->Apply(this);
     if ( !m_pen.IsNull() )
     if ( !m_brush.IsNull() )
         ((wxMacCoreGraphicsBrushData*)m_brush.GetRefData())->Apply(this);
     if ( !m_pen.IsNull() )


@@ -1781,12 +1982,16 @@ void wxMacCoreGraphicsContext::DrawPath( const wxGraphicsPath &path , int fillSt
     CGContextDrawPath( m_cgContext , mode );
 }
 
     CGContextDrawPath( m_cgContext , mode );
 }
 

-void wxMacCoreGraphicsContext::FillPath( const wxGraphicsPath &path , int fillStyle )
+void wxMacCoreGraphicsContext::FillPath( const wxGraphicsPath &path , wxPolygonFillMode fillStyle )

 {
     if ( m_brush.IsNull() )
         return;
 
 {
     if ( m_brush.IsNull() )
         return;
 

-    EnsureIsValid();
+    if (EnsureIsValid()==false)
+        return;
+
+    if (m_composition == wxCOMPOSITION_DEST)
+        return;

 
     if ( ((wxMacCoreGraphicsBrushData*)m_brush.GetRefData())->IsShading() )
     {
 
     if ( ((wxMacCoreGraphicsBrushData*)m_brush.GetRefData())->IsShading() )
     {


@@ -1814,20 +2019,24 @@ void wxMacCoreGraphicsContext::SetNativeContext( CGContextRef cg )
 
     if ( m_cgContext )
     {
 
     if ( m_cgContext )
     {

-        // TODO : when is this necessary - should we add a Flush() method ? CGContextSynchronize( m_cgContext );

         CGContextRestoreGState( m_cgContext );
         CGContextRestoreGState( m_cgContext );
         CGContextRestoreGState( m_cgContext );
         CGContextRestoreGState( m_cgContext );

-        if ( m_releaseContext )
+        if ( m_contextSynthesized )

         {
         {

+            // TODO: in case of performance problems, try issuing this not too
+            // frequently (half of refresh rate)
+            CGContextFlush(m_cgContext);

 #if wxOSX_USE_CARBON
             QDEndCGContext( GetWindowPort( m_windowRef ) , &m_cgContext);
 #if wxOSX_USE_CARBON
             QDEndCGContext( GetWindowPort( m_windowRef ) , &m_cgContext);

+#endif
+#if wxOSX_USE_COCOA
+            wxOSXUnlockFocus(m_view);

 #endif
         }
         else
             CGContextRelease(m_cgContext);
     }
 
 #endif
         }
         else
             CGContextRelease(m_cgContext);
     }
 

-

     m_cgContext = cg;
 
     // FIXME: This check is needed because currently we need to use a DC/GraphicsContext
     m_cgContext = cg;
 
     // FIXME: This check is needed because currently we need to use a DC/GraphicsContext


@@ -1843,7 +2052,7 @@ void wxMacCoreGraphicsContext::SetNativeContext( CGContextRef cg )
         CGContextSaveGState( m_cgContext );
         CGContextSetTextMatrix( m_cgContext, CGAffineTransformIdentity );
         CGContextSaveGState( m_cgContext );
         CGContextSaveGState( m_cgContext );
         CGContextSetTextMatrix( m_cgContext, CGAffineTransformIdentity );
         CGContextSaveGState( m_cgContext );

-        m_releaseContext = false;
+        m_contextSynthesized = false;

     }
 }
 
     }
 }
 


@@ -1879,7 +2088,12 @@ void wxMacCoreGraphicsContext::DrawBitmap( const wxBitmap &bmp, wxDouble x, wxDo
 
 void wxMacCoreGraphicsContext::DrawBitmap( const wxGraphicsBitmap &bmp, wxDouble x, wxDouble y, wxDouble w, wxDouble h )
 {
 
 void wxMacCoreGraphicsContext::DrawBitmap( const wxGraphicsBitmap &bmp, wxDouble x, wxDouble y, wxDouble w, wxDouble h )
 {

-    EnsureIsValid();
+    if (EnsureIsValid()==false)
+        return;
+
+    if (m_composition == wxCOMPOSITION_DEST)
+        return;
+

 #ifdef __WXMAC__
     wxMacCoreGraphicsBitmapData* refdata  =static_cast<wxMacCoreGraphicsBitmapData*>(bmp.GetRefData());
     CGImageRef image = refdata->GetBitmap();
 #ifdef __WXMAC__
     wxMacCoreGraphicsBitmapData* refdata  =static_cast<wxMacCoreGraphicsBitmapData*>(bmp.GetRefData());
     CGImageRef image = refdata->GetBitmap();


@@ -1916,29 +2130,35 @@ void wxMacCoreGraphicsContext::DrawBitmap( const wxGraphicsBitmap &bmp, wxDouble
 
 void wxMacCoreGraphicsContext::DrawIcon( const wxIcon &icon, wxDouble x, wxDouble y, wxDouble w, wxDouble h )
 {
 
 void wxMacCoreGraphicsContext::DrawIcon( const wxIcon &icon, wxDouble x, wxDouble y, wxDouble w, wxDouble h )
 {

-    EnsureIsValid();
+    if (EnsureIsValid()==false)
+        return;
+
+    if (m_composition == wxCOMPOSITION_DEST)
+        return;

 
     CGRect r = CGRectMake( (CGFloat) 0.0 , (CGFloat) 0.0 , (CGFloat) w , (CGFloat) h );
     CGContextSaveGState( m_cgContext );
     CGContextTranslateCTM( m_cgContext,(CGFloat) x ,(CGFloat) (y + h) );
     CGContextScaleCTM( m_cgContext, 1, -1 );
 
     CGRect r = CGRectMake( (CGFloat) 0.0 , (CGFloat) 0.0 , (CGFloat) w , (CGFloat) h );
     CGContextSaveGState( m_cgContext );
     CGContextTranslateCTM( m_cgContext,(CGFloat) x ,(CGFloat) (y + h) );
     CGContextScaleCTM( m_cgContext, 1, -1 );

-#if wxOSX_USE_CARBON
+#if wxOSX_USE_COCOA_OR_CARBON

     PlotIconRefInContext( m_cgContext , &r , kAlignNone , kTransformNone ,
     PlotIconRefInContext( m_cgContext , &r , kAlignNone , kTransformNone ,

-        NULL , kPlotIconRefNormalFlags , MAC_WXHICON( icon.GetHICON() ) );
+        NULL , kPlotIconRefNormalFlags , icon.GetHICON() );

 #endif
     CGContextRestoreGState( m_cgContext );
 }
 
 void wxMacCoreGraphicsContext::PushState()
 {
 #endif
     CGContextRestoreGState( m_cgContext );
 }
 
 void wxMacCoreGraphicsContext::PushState()
 {

-    EnsureIsValid();
+    if (EnsureIsValid()==false)
+        return;

 
     CGContextSaveGState( m_cgContext );
 }
 
 void wxMacCoreGraphicsContext::PopState()
 {
 
     CGContextSaveGState( m_cgContext );
 }
 
 void wxMacCoreGraphicsContext::PopState()
 {

-    EnsureIsValid();
+    if (EnsureIsValid()==false)
+        return;

 
     CGContextRestoreGState( m_cgContext );
 }
 
     CGContextRestoreGState( m_cgContext );
 }


@@ -1947,13 +2167,18 @@ void wxMacCoreGraphicsContext::DoDrawText( const wxString &str, wxDouble x, wxDo
 {
     wxCHECK_RET( !m_font.IsNull(), wxT("wxMacCoreGraphicsContext::DrawText - no valid font set") );
 
 {
     wxCHECK_RET( !m_font.IsNull(), wxT("wxMacCoreGraphicsContext::DrawText - no valid font set") );
 

-    EnsureIsValid();
+    if (EnsureIsValid()==false)
+        return;
+
+    if (m_composition == wxCOMPOSITION_DEST)
+        return;
+

 #if wxOSX_USE_CORE_TEXT
     if ( UMAGetSystemVersion() >= 0x1050 )
     {
         wxMacCoreGraphicsFontData* fref = (wxMacCoreGraphicsFontData*)m_font.GetRefData();
         wxCFStringRef text(str, wxLocale::GetSystemEncoding() );
 #if wxOSX_USE_CORE_TEXT
     if ( UMAGetSystemVersion() >= 0x1050 )
     {
         wxMacCoreGraphicsFontData* fref = (wxMacCoreGraphicsFontData*)m_font.GetRefData();
         wxCFStringRef text(str, wxLocale::GetSystemEncoding() );

-        CTFontRef font = fref->GetCTFont();
+        CTFontRef font = fref->OSXGetCTFont();

         CGColorRef col = wxMacCreateCGColor( fref->GetColour() );
         CTUnderlineStyle ustyle = fref->GetUnderlined() ? kCTUnderlineStyleSingle : kCTUnderlineStyleNone ;
         wxCFRef<CFNumberRef> underlined( CFNumberCreate(NULL, kCFNumberSInt32Type, &ustyle) );
         CGColorRef col = wxMacCreateCGColor( fref->GetColour() );
         CTUnderlineStyle ustyle = fref->GetUnderlined() ? kCTUnderlineStyleSingle : kCTUnderlineStyleNone ;
         wxCFRef<CFNumberRef> underlined( CFNumberCreate(NULL, kCFNumberSInt32Type, &ustyle) );


@@ -1967,7 +2192,7 @@ void wxMacCoreGraphicsContext::DoDrawText( const wxString &str, wxDouble x, wxDo
         y += CTFontGetAscent(font);
 
         CGContextSaveGState(m_cgContext);
         y += CTFontGetAscent(font);
 
         CGContextSaveGState(m_cgContext);

-        CGContextTranslateCTM(m_cgContext, x, y);
+        CGContextTranslateCTM(m_cgContext, (CGFloat) x, (CGFloat) y);

         CGContextScaleCTM(m_cgContext, 1, -1);
         CGContextSetTextPosition(m_cgContext, 0, 0);
         CTLineDraw( line, m_cgContext );
         CGContextScaleCTM(m_cgContext, 1, -1);
         CGContextSetTextPosition(m_cgContext, 0, 0);
         CTLineDraw( line, m_cgContext );


@@ -2005,12 +2230,17 @@ void wxMacCoreGraphicsContext::DoDrawRotatedText(const wxString &str,
 {
     wxCHECK_RET( !m_font.IsNull(), wxT("wxMacCoreGraphicsContext::DrawText - no valid font set") );
 
 {
     wxCHECK_RET( !m_font.IsNull(), wxT("wxMacCoreGraphicsContext::DrawText - no valid font set") );
 

-    EnsureIsValid();
+    if (EnsureIsValid()==false)
+        return;
+
+    if (m_composition == wxCOMPOSITION_DEST)
+        return;
+

 #if wxOSX_USE_CORE_TEXT
     if ( UMAGetSystemVersion() >= 0x1050 )
     {
         // default implementation takes care of rotation and calls non rotated DrawText afterwards
 #if wxOSX_USE_CORE_TEXT
     if ( UMAGetSystemVersion() >= 0x1050 )
     {
         // default implementation takes care of rotation and calls non rotated DrawText afterwards

-        wxGraphicsContext::DrawText( str, x, y, angle );
+        wxGraphicsContext::DoDrawRotatedText( str, x, y, angle );

         return;
     }
 #endif
         return;
     }
 #endif


@@ -2038,15 +2268,15 @@ void wxMacCoreGraphicsContext::DoDrawRotatedText(const wxString &str,
             {
                 kATSULineRotationTag ,
             };
             {
                 kATSULineRotationTag ,
             };

-            ByteCount atsuSizes[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] =
+            ByteCount atsuSizes[WXSIZEOF(atsuTags)] =

             {
                 sizeof( Fixed ) ,
             };
             {
                 sizeof( Fixed ) ,
             };

-            ATSUAttributeValuePtr    atsuValues[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] =
+            ATSUAttributeValuePtr    atsuValues[WXSIZEOF(atsuTags)] =

             {
                 &atsuAngle ,
             };
             {
                 &atsuAngle ,
             };

-            status = ::ATSUSetLayoutControls(atsuLayout , sizeof(atsuTags) / sizeof(ATSUAttributeTag),
+            status = ::ATSUSetLayoutControls(atsuLayout , WXSIZEOF(atsuTags),

                                              atsuTags, atsuSizes, atsuValues );
         }
 
                                              atsuTags, atsuSizes, atsuValues );
         }
 


@@ -2055,15 +2285,15 @@ void wxMacCoreGraphicsContext::DoDrawRotatedText(const wxString &str,
             {
                 kATSUCGContextTag ,
             };
             {
                 kATSUCGContextTag ,
             };

-            ByteCount atsuSizes[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] =
+            ByteCount atsuSizes[WXSIZEOF(atsuTags)] =

             {
                 sizeof( CGContextRef ) ,
             };
             {
                 sizeof( CGContextRef ) ,
             };

-            ATSUAttributeValuePtr    atsuValues[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] =
+            ATSUAttributeValuePtr    atsuValues[WXSIZEOF(atsuTags)] =

             {
                 &m_cgContext ,
             };
             {
                 &m_cgContext ,
             };

-            status = ::ATSUSetLayoutControls(atsuLayout , sizeof(atsuTags) / sizeof(ATSUAttributeTag),
+            status = ::ATSUSetLayoutControls(atsuLayout , WXSIZEOF(atsuTags),

                                              atsuTags, atsuSizes, atsuValues );
         }
 
                                              atsuTags, atsuSizes, atsuValues );
         }
 


@@ -2125,7 +2355,7 @@ void wxMacCoreGraphicsContext::GetTextExtent( const wxString &str, wxDouble *wid
     if ( UMAGetSystemVersion() >= 0x1050 )
     {
         wxMacCoreGraphicsFontData* fref = (wxMacCoreGraphicsFontData*)m_font.GetRefData();
     if ( UMAGetSystemVersion() >= 0x1050 )
     {
         wxMacCoreGraphicsFontData* fref = (wxMacCoreGraphicsFontData*)m_font.GetRefData();

-        CTFontRef font = fref->GetCTFont();
+        CTFontRef font = fref->OSXGetCTFont();

 
         wxCFStringRef text(str, wxLocale::GetSystemEncoding() );
         CFStringRef keys[] = { kCTFontAttributeName  };
 
         wxCFStringRef text(str, wxLocale::GetSystemEncoding() );
         CFStringRef keys[] = { kCTFontAttributeName  };


@@ -2135,7 +2365,8 @@ void wxMacCoreGraphicsContext::GetTextExtent( const wxString &str, wxDouble *wid
         wxCFRef<CFAttributedStringRef> attrtext( CFAttributedStringCreate(kCFAllocatorDefault, text, attributes) );
         wxCFRef<CTLineRef> line( CTLineCreateWithAttributedString(attrtext) );
 
         wxCFRef<CFAttributedStringRef> attrtext( CFAttributedStringCreate(kCFAllocatorDefault, text, attributes) );
         wxCFRef<CTLineRef> line( CTLineCreateWithAttributedString(attrtext) );
 

-        CGFloat w, a, d, l;
+        double w;
+        CGFloat a, d, l;

 
         w = CTLineGetTypographicBounds(line, &a, &d, &l) ;
 
 
         w = CTLineGetTypographicBounds(line, &a, &d, &l) ;
 


@@ -2219,7 +2450,7 @@ void wxMacCoreGraphicsContext::GetPartialTextExtents(const wxString& text, wxArr
 #if wxOSX_USE_CORE_TEXT
     {
         wxMacCoreGraphicsFontData* fref = (wxMacCoreGraphicsFontData*)m_font.GetRefData();
 #if wxOSX_USE_CORE_TEXT
     {
         wxMacCoreGraphicsFontData* fref = (wxMacCoreGraphicsFontData*)m_font.GetRefData();

-        CTFontRef font = fref->GetCTFont();
+        CTFontRef font = fref->OSXGetCTFont();

 
         wxCFStringRef t(text, wxLocale::GetSystemEncoding() );
         CFStringRef keys[] = { kCTFontAttributeName  };
 
         wxCFStringRef t(text, wxLocale::GetSystemEncoding() );
         CFStringRef keys[] = { kCTFontAttributeName  };


@@ -2422,10 +2653,6 @@ wxGraphicsRenderer* wxGraphicsRenderer::GetDefaultRenderer()
     return &gs_MacCoreGraphicsRenderer;
 }
 
     return &gs_MacCoreGraphicsRenderer;
 }
 

-#if defined( __WXCOCOA__ ) || wxOSX_USE_COCOA
-extern CGContextRef wxMacGetContextFromCurrentNSContext() ;
-#endif
-

 wxGraphicsContext * wxMacCoreGraphicsRenderer::CreateContext( const wxWindowDC& dc )
 {
     const wxDCImpl* impl = dc.GetImpl();
 wxGraphicsContext * wxMacCoreGraphicsRenderer::CreateContext( const wxWindowDC& dc )
 {
     const wxDCImpl* impl = dc.GetImpl();


@@ -2435,12 +2662,13 @@ wxGraphicsContext * wxMacCoreGraphicsRenderer::CreateContext( const wxWindowDC&
         int w, h;
         win_impl->GetSize( &w, &h );
         CGContextRef cgctx = 0;
         int w, h;
         win_impl->GetSize( &w, &h );
         CGContextRef cgctx = 0;

-#ifdef __WXMAC__
-        cgctx =  (CGContextRef)(win_impl->GetWindow()->MacGetCGContextRef());
-#else
-        cgctx = wxMacGetContextFromCurrentNSContext() ;
-#endif
-        return new wxMacCoreGraphicsContext( this, cgctx, (wxDouble) w, (wxDouble) h );
+
+        wxASSERT_MSG(win_impl->GetWindow(), "Invalid wxWindow in wxMacCoreGraphicsRenderer::CreateContext");
+        if (win_impl->GetWindow())
+            cgctx =  (CGContextRef)(win_impl->GetWindow()->MacGetCGContextRef());
+
+        if (cgctx != 0)
+            return new wxMacCoreGraphicsContext( this, cgctx, (wxDouble) w, (wxDouble) h );

     }
     return NULL;
 }
     }
     return NULL;
 }


@@ -2489,6 +2717,7 @@ wxGraphicsContext * wxMacCoreGraphicsRenderer::CreateContextFromNativeWindow( vo
 #if wxOSX_USE_CARBON
     return new wxMacCoreGraphicsContext(this,(WindowRef)window);
 #else
 #if wxOSX_USE_CARBON
     return new wxMacCoreGraphicsContext(this,(WindowRef)window);
 #else

+    wxUnusedVar(window);

     return NULL;
 #endif
 }
     return NULL;
 #endif
 }