Added automatic dialog scrolling ability

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

diff --git a/src/mac/carbon/graphics.cpp b/src/mac/carbon/graphics.cpp
old mode 100755 (executable)
new mode 100644 (file)
index 218a1f2..616c5d4
--- a/src/mac/carbon/graphics.cpp
+++ b/src/mac/carbon/graphics.cpp
@@ -11,14 +11,16 @@
 
 #include "wx/wxprec.h"
 
 
 #include "wx/wxprec.h"
 

-#if wxUSE_GRAPHICS_CONTEXT && wxMAC_USE_CORE_GRAPHICS
-

 #include "wx/graphics.h"
 #include "wx/graphics.h"

+#include "wx/private/graphics.h"

 
 #ifndef WX_PRECOMP
     #include "wx/dcclient.h"
 
 #ifndef WX_PRECOMP
     #include "wx/dcclient.h"

+    #include "wx/dcmemory.h"

     #include "wx/log.h"
     #include "wx/region.h"
     #include "wx/log.h"
     #include "wx/region.h"

+    #include "wx/image.h"
+    #include "wx/icon.h"

 #endif
 
 #include "wx/mac/uma.h"
 #endif
 
 #include "wx/mac/uma.h"


@@ -34,10 +36,6 @@
 
 #include "wx/mac/private.h"
 
 
 #include "wx/mac/private.h"
 

-#if MAC_OS_X_VERSION_MAX_ALLOWED <= MAC_OS_X_VERSION_10_4
-typedef float CGFloat;
-#endif
-

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


@@ -57,6 +55,20 @@ static const double RAD2DEG = 180.0 / M_PI;
 #pragma mark -
 #pragma mark wxMacCoreGraphicsPattern, ImagePattern, HatchPattern classes
 
 #pragma mark -
 #pragma mark wxMacCoreGraphicsPattern, ImagePattern, HatchPattern classes
 

+OSStatus wxMacDrawCGImage(
+                  CGContextRef    inContext,
+                  const HIRect *  inBounds,
+                  CGImageRef      inImage) 
+{
+#ifdef __LP64__
+    // todo flip
+    CGContextDrawImage(inContext, *inBounds, inImage );
+    return noErr;
+#else
+    return HIViewDrawCGImage( inContext, inBounds, inImage );
+#endif
+}
+

 // CGPattern wrapper class: always allocate on heap, never call destructor
 
 class wxMacCoreGraphicsPattern
 // CGPattern wrapper class: always allocate on heap, never call destructor
 
 class wxMacCoreGraphicsPattern


@@ -103,7 +115,7 @@ public :
     {
         wxASSERT( bmp && bmp->Ok() );
 
     {
         wxASSERT( bmp && bmp->Ok() );
 

-        Init( (CGImageRef) bmp->CGImageCreate() , transform );
+        Init( (CGImageRef) bmp->CreateCGImage() , transform );

     }
 
     // ImagePattern takes ownership of CGImageRef passed in
     }
 
     // ImagePattern takes ownership of CGImageRef passed in


@@ -118,7 +130,7 @@ public :
     virtual void Render( CGContextRef ctxRef )
     {
         if (m_image != NULL)
     virtual void Render( CGContextRef ctxRef )
     {
         if (m_image != NULL)

-            HIViewDrawCGImage( ctxRef, &m_imageBounds, m_image );
+            wxMacDrawCGImage( ctxRef, &m_imageBounds, m_image );

     }
 
 protected :
     }
 
 protected :


@@ -160,22 +172,7 @@ public :
 
     void StrokeLineSegments( CGContextRef ctxRef , const CGPoint pts[] , size_t count )
     {
 
     void StrokeLineSegments( CGContextRef ctxRef , const CGPoint pts[] , size_t count )
     {

-#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4
-        if ( UMAGetSystemVersion() >= 0x1040 )
-        {
-            CGContextStrokeLineSegments( ctxRef , pts , count );
-        }
-        else
-#endif
-        {
-            CGContextBeginPath( ctxRef );
-            for (size_t i = 0; i < count; i += 2)
-            {
-                CGContextMoveToPoint(ctxRef, pts[i].x, pts[i].y);
-                CGContextAddLineToPoint(ctxRef, pts[i+1].x, pts[i+1].y);
-            }
-            CGContextStrokePath(ctxRef);
-        }
+        CGContextStrokeLineSegments( ctxRef , pts , count );

     }
 
     virtual void Render( CGContextRef ctxRef )
     }
 
     virtual void Render( CGContextRef ctxRef )


@@ -268,8 +265,8 @@ public:
 
 protected :
     CGLineCap m_cap;
 
 protected :
     CGLineCap m_cap;

-    wxMacCFRefHolder<CGColorRef> m_color;
-    wxMacCFRefHolder<CGColorSpaceRef> m_colorSpace;
+    wxCFRef<CGColorRef> m_color;
+    wxCFRef<CGColorSpaceRef> m_colorSpace;

 
     CGLineJoin m_join;
     CGFloat m_width;
 
     CGLineJoin m_join;
     CGFloat m_width;


@@ -280,7 +277,7 @@ protected :
 
 
     bool m_isPattern;
 
 
     bool m_isPattern;

-    wxMacCFRefHolder<CGPatternRef> m_pattern;
+    wxCFRef<CGPatternRef> m_pattern;

     CGFloat* m_patternColorComponents;
 };
 
     CGFloat* m_patternColorComponents;
 };
 


@@ -289,9 +286,7 @@ wxMacCoreGraphicsPenData::wxMacCoreGraphicsPenData( wxGraphicsRenderer* renderer
 {
     Init();
 
 {
     Init();
 

-    float components[4] = { pen.GetColour().Red() / 255.0 , pen.GetColour().Green() / 255.0 ,
-            pen.GetColour().Blue() / 255.0 , pen.GetColour().Alpha() / 255.0 } ;
-    m_color.Set( CGColorCreate( wxMacGetGenericRGBColorSpace() , components ) ) ;
+    m_color.reset( pen.GetColour().CreateCGColor() ) ;

 
     // TODO: * m_dc->m_scaleX
     m_width = pen.GetWidth();
 
     // TODO: * m_dc->m_scaleX
     m_width = pen.GetWidth();


@@ -394,8 +389,8 @@ wxMacCoreGraphicsPenData::wxMacCoreGraphicsPenData( wxGraphicsRenderer* renderer
                 wxBitmap* bmp = pen.GetStipple();
                 if ( bmp && bmp->Ok() )
                 {
                 wxBitmap* bmp = pen.GetStipple();
                 if ( bmp && bmp->Ok() )
                 {

-                    m_colorSpace.Set( CGColorSpaceCreatePattern( NULL ) );
-                    m_pattern.Set( *( new ImagePattern( bmp , CGAffineTransformMakeTranslation( 0,0 ) ) ) );
+                    m_colorSpace.reset( CGColorSpaceCreatePattern( NULL ) );
+                    m_pattern.reset( (CGPatternRef) *( new ImagePattern( bmp , CGAffineTransformMakeScale( 1,-1 ) ) ) );

                     m_patternColorComponents = new CGFloat[1] ;
                     m_patternColorComponents[0] = 1.0;
                     m_isPattern = true;
                     m_patternColorComponents = new CGFloat[1] ;
                     m_patternColorComponents[0] = 1.0;
                     m_isPattern = true;


@@ -406,8 +401,8 @@ wxMacCoreGraphicsPenData::wxMacCoreGraphicsPenData( wxGraphicsRenderer* renderer
         default :
             {
                 m_isPattern = true;
         default :
             {
                 m_isPattern = true;

-                m_colorSpace.Set( CGColorSpaceCreatePattern( wxMacGetGenericRGBColorSpace() ) );
-                m_pattern.Set( *( new HatchPattern( pen.GetStyle() , CGAffineTransformMakeTranslation( 0,0 ) ) ) );
+                m_colorSpace.reset( CGColorSpaceCreatePattern( wxMacGetGenericRGBColorSpace() ) );
+                m_pattern.reset( (CGPatternRef) *( new HatchPattern( pen.GetStyle() , CGAffineTransformMakeScale( 1,-1 ) ) ) );

                 m_patternColorComponents = new CGFloat[4] ;
                 m_patternColorComponents[0] = pen.GetColour().Red() / 255.0;
                 m_patternColorComponents[1] = pen.GetColour().Green() / 255.0;
                 m_patternColorComponents = new CGFloat[4] ;
                 m_patternColorComponents[0] = pen.GetColour().Red() / 255.0;
                 m_patternColorComponents[1] = pen.GetColour().Green() / 255.0;


@@ -450,12 +445,19 @@ void wxMacCoreGraphicsPenData::Apply( wxGraphicsContext* context )
 
     if ( m_isPattern )
     {
 
     if ( m_isPattern )
     {

+        CGAffineTransform matrix = CGContextGetCTM( cg );
+        CGContextSetPatternPhase( cg, CGSizeMake(matrix.tx, matrix.ty) );

         CGContextSetStrokeColorSpace( cg , m_colorSpace );
         CGContextSetStrokePattern( cg, m_pattern , m_patternColorComponents );
     }
     else
     {
         CGContextSetStrokeColorSpace( cg , m_colorSpace );
         CGContextSetStrokePattern( cg, m_pattern , m_patternColorComponents );
     }
     else
     {

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

     }
 }
 
     }
 }
 


@@ -463,6 +465,105 @@ void wxMacCoreGraphicsPenData::Apply( wxGraphicsContext* context )
 // Brush
 //
 
 // Brush
 //
 

+static const char *gs_stripedback_xpm[] = {
+/* columns rows colors chars-per-pixel */
+"4 4 2 1",
+". c #F0F0F0",
+"X c #ECECEC",
+/* pixels */
+"....",
+"....",
+"XXXX",
+"XXXX"
+};
+
+wxBitmap gs_stripedback_bmp( wxImage( (const char* const* ) gs_stripedback_xpm  ), -1 ) ;
+
+// make sure we all use one class for all conversions from wx to native colour
+
+class wxMacCoreGraphicsColour
+{
+    public:
+        wxMacCoreGraphicsColour();
+        wxMacCoreGraphicsColour(const wxBrush &brush);
+        ~wxMacCoreGraphicsColour();
+        
+        void Apply( CGContextRef cgContext );
+    protected:
+        void Init();
+        wxCFRef<CGColorRef> m_color;
+        wxCFRef<CGColorSpaceRef> m_colorSpace;
+        
+        bool m_isPattern;
+        wxCFRef<CGPatternRef> m_pattern;
+        CGFloat* m_patternColorComponents;
+} ;
+
+wxMacCoreGraphicsColour::~wxMacCoreGraphicsColour()
+{
+    delete[] m_patternColorComponents;
+}
+
+void wxMacCoreGraphicsColour::Init()
+{
+    m_isPattern = false;
+    m_patternColorComponents = NULL;
+}
+
+void wxMacCoreGraphicsColour::Apply( CGContextRef cgContext )
+{
+    if ( m_isPattern )
+    {
+        CGAffineTransform matrix = CGContextGetCTM( cgContext );
+        CGContextSetPatternPhase( cgContext, CGSizeMake(matrix.tx, matrix.ty) );
+        CGContextSetFillColorSpace( cgContext , m_colorSpace );
+        CGContextSetFillPattern( cgContext, m_pattern , m_patternColorComponents );
+    }
+    else
+    {
+        CGContextSetFillColorWithColor( cgContext, m_color );
+    }
+}
+
+wxMacCoreGraphicsColour::wxMacCoreGraphicsColour() 
+{
+    Init();
+}
+
+wxMacCoreGraphicsColour::wxMacCoreGraphicsColour( const wxBrush &brush )
+{
+    Init();
+    if ( brush.GetStyle() == wxSOLID )
+    {
+        m_color.reset( brush.GetColour().CreateCGColor() );
+    }
+    else if ( brush.IsHatch() )
+    {
+        m_isPattern = true;
+        m_colorSpace.reset( CGColorSpaceCreatePattern( wxMacGetGenericRGBColorSpace() ) );
+        m_pattern.reset( (CGPatternRef) *( new HatchPattern( brush.GetStyle() , CGAffineTransformMakeScale( 1,-1 ) ) ) );
+
+        m_patternColorComponents = new CGFloat[4] ;
+        m_patternColorComponents[0] = brush.GetColour().Red() / 255.0;
+        m_patternColorComponents[1] = brush.GetColour().Green() / 255.0;
+        m_patternColorComponents[2] = brush.GetColour().Blue() / 255.0;
+        m_patternColorComponents[3] = brush.GetColour().Alpha() / 255.0;
+    }
+    else
+    {
+        // now brush is a bitmap
+        wxBitmap* bmp = brush.GetStipple();
+        if ( bmp && bmp->Ok() )
+        {
+            m_isPattern = true;
+            m_patternColorComponents = new CGFloat[1] ;
+            m_patternColorComponents[0] = 1.0;
+            m_colorSpace.reset( CGColorSpaceCreatePattern( NULL ) );
+            m_pattern.reset( (CGPatternRef) *( new ImagePattern( bmp , CGAffineTransformMakeScale( 1,-1 ) ) ) );
+        }
+    }
+}
+

 class wxMacCoreGraphicsBrushData : public wxGraphicsObjectRefData
 {
 public:
 class wxMacCoreGraphicsBrushData : public wxGraphicsObjectRefData
 {
 public:


@@ -483,12 +584,7 @@ protected:
     static void CalculateShadingValues (void *info, const CGFloat *in, CGFloat *out);
     virtual void Init();
 
     static void CalculateShadingValues (void *info, const CGFloat *in, CGFloat *out);
     virtual void Init();
 

-    wxMacCFRefHolder<CGColorRef> m_color;
-    wxMacCFRefHolder<CGColorSpaceRef> m_colorSpace;
-
-    bool m_isPattern;
-    wxMacCFRefHolder<CGPatternRef> m_pattern;
-    CGFloat* m_patternColorComponents;
+    wxMacCoreGraphicsColour m_cgColor;

 
     bool m_isShading;
     CGFunctionRef m_gradientFunction;
 
     bool m_isShading;
     CGFunctionRef m_gradientFunction;


@@ -517,41 +613,11 @@ void wxMacCoreGraphicsBrushData::CreateRadialGradientBrush( wxDouble xo, wxDoubl
     m_isShading = true ;
 }
 
     m_isShading = true ;
 }
 

-wxMacCoreGraphicsBrushData::wxMacCoreGraphicsBrushData(wxGraphicsRenderer* renderer, const wxBrush &brush) : wxGraphicsObjectRefData( renderer )
+wxMacCoreGraphicsBrushData::wxMacCoreGraphicsBrushData(wxGraphicsRenderer* renderer, const wxBrush &brush) : wxGraphicsObjectRefData( renderer ),
+    m_cgColor( brush )

 {
     Init();
 
 {
     Init();
 

-    if ( brush.GetStyle() == wxSOLID )
-    {
-        float components[4] = { brush.GetColour().Red() / 255.0 , brush.GetColour().Green() / 255.0 ,
-                brush.GetColour().Blue() / 255.0 , brush.GetColour().Alpha() / 255.0 } ;
-        m_color.Set( CGColorCreate( wxMacGetGenericRGBColorSpace() , components ) ) ;
-    }
-    else if ( brush.IsHatch() )
-    {
-        m_isPattern = true;
-        m_colorSpace.Set( CGColorSpaceCreatePattern( wxMacGetGenericRGBColorSpace() ) );
-        m_pattern.Set( *( new HatchPattern( brush.GetStyle() , CGAffineTransformMakeTranslation( 0,0 ) ) ) );
-
-        m_patternColorComponents = new CGFloat[4] ;
-        m_patternColorComponents[0] = brush.GetColour().Red() / 255.0;
-        m_patternColorComponents[1] = brush.GetColour().Green() / 255.0;
-        m_patternColorComponents[2] = brush.GetColour().Blue() / 255.0;
-        m_patternColorComponents[3] = brush.GetColour().Alpha() / 255.0;
-    }
-    else
-    {
-        // now brush is a bitmap
-        wxBitmap* bmp = brush.GetStipple();
-        if ( bmp && bmp->Ok() )
-        {
-            m_isPattern = true;
-            m_patternColorComponents = new CGFloat[1] ;
-            m_patternColorComponents[0] = 1.0;
-            m_colorSpace.Set( CGColorSpaceCreatePattern( NULL ) );
-            m_pattern.Set( *( new ImagePattern( bmp , CGAffineTransformMakeTranslation( 0,0 ) ) ) );
-        }
-    }

 }
 
 wxMacCoreGraphicsBrushData::~wxMacCoreGraphicsBrushData()
 }
 
 wxMacCoreGraphicsBrushData::~wxMacCoreGraphicsBrushData()


@@ -563,15 +629,12 @@ wxMacCoreGraphicsBrushData::~wxMacCoreGraphicsBrushData()
         CGFunctionRelease(m_gradientFunction);
 
     delete[] m_gradientComponents;
         CGFunctionRelease(m_gradientFunction);
 
     delete[] m_gradientComponents;

-    delete[] m_patternColorComponents;

 }
 
 void wxMacCoreGraphicsBrushData::Init()
 {
 }
 
 void wxMacCoreGraphicsBrushData::Init()
 {

-    m_patternColorComponents = NULL;

     m_gradientFunction = NULL;
     m_shading = NULL;
     m_gradientFunction = NULL;
     m_shading = NULL;

-    m_isPattern = false;

     m_gradientComponents = NULL;
     m_isShading = false;
 }
     m_gradientComponents = NULL;
     m_isShading = false;
 }


@@ -582,18 +645,11 @@ void wxMacCoreGraphicsBrushData::Apply( wxGraphicsContext* context )
 
     if ( m_isShading )
     {
 
     if ( m_isShading )
     {

+        // nothing to set as shades are processed by clipping using the path and filling

     }
     else
     {
     }
     else
     {

-        if ( m_isPattern )
-        {
-            CGContextSetFillColorSpace( cg , m_colorSpace );
-            CGContextSetFillPattern( cg, m_pattern , m_patternColorComponents );
-        }
-        else
-        {
-            CGContextSetFillColorWithColor( cg, m_color );
-        }
+        m_cgColor.Apply( cg );

     }
 }
 
     }
 }
 


@@ -639,16 +695,37 @@ public:
     wxMacCoreGraphicsFontData( wxGraphicsRenderer* renderer, const wxFont &font, const wxColour& col );
     ~wxMacCoreGraphicsFontData();
 
     wxMacCoreGraphicsFontData( wxGraphicsRenderer* renderer, const wxFont &font, const wxColour& col );
     ~wxMacCoreGraphicsFontData();
 

+#if wxMAC_USE_ATSU_TEXT

     virtual ATSUStyle GetATSUStyle() { return m_macATSUIStyle; }
     virtual ATSUStyle GetATSUStyle() { return m_macATSUIStyle; }

+#endif
+#if wxMAC_USE_CORE_TEXT
+    CTFontRef GetCTFont() const { return m_ctFont ; }
+#endif
+    wxColour GetColour() const { return m_colour ; }
+    
+    bool GetUnderlined() const { return m_underlined ; }

 private :
 private :

+    wxColour m_colour;
+    bool m_underlined;
+#if wxMAC_USE_ATSU_TEXT

     ATSUStyle m_macATSUIStyle;
     ATSUStyle m_macATSUIStyle;

+#endif
+#if wxMAC_USE_CORE_TEXT
+    wxCFRef< CTFontRef > m_ctFont;
+#endif

 };
 
 wxMacCoreGraphicsFontData::wxMacCoreGraphicsFontData(wxGraphicsRenderer* renderer, const wxFont &font, const wxColour& col) : wxGraphicsObjectRefData( renderer )
 {
 };
 
 wxMacCoreGraphicsFontData::wxMacCoreGraphicsFontData(wxGraphicsRenderer* renderer, const wxFont &font, const wxColour& col) : wxGraphicsObjectRefData( renderer )
 {

-    m_macATSUIStyle = NULL;
+    m_colour = col;
+    m_underlined = font.GetUnderlined();

 
 

-    OSStatus status;
+#if wxMAC_USE_CORE_TEXT
+    m_ctFont.reset( wxCFRetain((CTFontRef) font.MacGetCTFont()) );
+#endif
+#if wxMAC_USE_ATSU_TEXT
+    OSStatus status = noErr;
+    m_macATSUIStyle = NULL;

 
     status = ATSUCreateAndCopyStyle( (ATSUStyle) font.MacGetATSUStyle() , &m_macATSUIStyle );
 
 
     status = ATSUCreateAndCopyStyle( (ATSUStyle) font.MacGetATSUStyle() , &m_macATSUIStyle );
 


@@ -657,7 +734,8 @@ wxMacCoreGraphicsFontData::wxMacCoreGraphicsFontData(wxGraphicsRenderer* rendere
     // we need the scale here ...
 
     Fixed atsuSize = IntToFixed( int( 1 * font.MacGetFontSize()) );
     // we need the scale here ...
 
     Fixed atsuSize = IntToFixed( int( 1 * font.MacGetFontSize()) );

-    RGBColor atsuColor = MAC_WXCOLORREF( col.GetPixel() );
+    RGBColor atsuColor ;
+    col.GetRGBColor( &atsuColor );

     ATSUAttributeTag atsuTags[] =
     {
             kATSUSizeTag ,
     ATSUAttributeTag atsuTags[] =
     {
             kATSUSizeTag ,


@@ -679,15 +757,24 @@ wxMacCoreGraphicsFontData::wxMacCoreGraphicsFontData(wxGraphicsRenderer* rendere
         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") );

+#endif
+#if wxMAC_USE_CG_TEXT
+#endif

 }
 
 wxMacCoreGraphicsFontData::~wxMacCoreGraphicsFontData()
 {
 }
 
 wxMacCoreGraphicsFontData::~wxMacCoreGraphicsFontData()
 {

+#if wxMAC_USE_CORE_TEXT
+#endif
+#if wxMAC_USE_ATSU_TEXT

     if ( m_macATSUIStyle )
     {
         ::ATSUDisposeStyle((ATSUStyle)m_macATSUIStyle);
         m_macATSUIStyle = NULL;
     }
     if ( m_macATSUIStyle )
     {
         ::ATSUDisposeStyle((ATSUStyle)m_macATSUIStyle);
         m_macATSUIStyle = NULL;
     }

+#endif
+#if wxMAC_USE_CG_TEXT
+#endif

 }
 
 //
 }
 
 //


@@ -714,6 +801,10 @@ public :
     virtual void Set(wxDouble a=1.0, wxDouble b=0.0, wxDouble c=0.0, wxDouble d=1.0,
         wxDouble tx=0.0, wxDouble ty=0.0);
 
     virtual void Set(wxDouble a=1.0, wxDouble b=0.0, wxDouble c=0.0, wxDouble d=1.0,
         wxDouble tx=0.0, wxDouble ty=0.0);
 

+    // gets the component valuess of the matrix
+    virtual void Get(wxDouble* a=NULL, wxDouble* b=NULL,  wxDouble* c=NULL,
+                     wxDouble* d=NULL, wxDouble* tx=NULL, wxDouble* ty=NULL) const;
+       

     // makes this the inverse matrix
     virtual void Invert();
 
     // makes this the inverse matrix
     virtual void Invert();
 


@@ -785,6 +876,18 @@ void wxMacCoreGraphicsMatrixData::Set(wxDouble a, wxDouble b, wxDouble c, wxDoub
     m_matrix = CGAffineTransformMake(a,b,c,d,tx,ty);
 }
 
     m_matrix = CGAffineTransformMake(a,b,c,d,tx,ty);
 }
 

+// gets the component valuess of the matrix
+void wxMacCoreGraphicsMatrixData::Get(wxDouble* a, wxDouble* b,  wxDouble* c,
+                                      wxDouble* d, wxDouble* tx, wxDouble* ty) const
+{
+    if (a)  *a = m_matrix.a;
+    if (b)  *b = m_matrix.b;
+    if (c)  *c = m_matrix.c;
+    if (d)  *d = m_matrix.d;
+    if (tx) *tx= m_matrix.tx;
+    if (ty) *ty= m_matrix.ty;
+}
+

 // makes this the inverse matrix
 void wxMacCoreGraphicsMatrixData::Invert()
 {
 // makes this the inverse matrix
 void wxMacCoreGraphicsMatrixData::Invert()
 {


@@ -794,15 +897,6 @@ void wxMacCoreGraphicsMatrixData::Invert()
 // returns true if the elements of the transformation matrix are equal ?
 bool wxMacCoreGraphicsMatrixData::IsEqual( const wxGraphicsMatrixData* t) const
 {
 // returns true if the elements of the transformation matrix are equal ?
 bool wxMacCoreGraphicsMatrixData::IsEqual( const wxGraphicsMatrixData* t) const
 {

-    const CGAffineTransform* tm = (CGAffineTransform*) t->GetNativeMatrix();
-    return (
-        m_matrix.a == tm->a &&
-        m_matrix.b == tm->b &&
-        m_matrix.c == tm->c &&
-        m_matrix.d == tm->d &&
-        m_matrix.tx == tm->tx &&
-        m_matrix.ty == tm->ty ) ;
-

     return CGAffineTransformEqualToTransform(m_matrix, *((CGAffineTransform*) t->GetNativeMatrix()));
 }
 
     return CGAffineTransformEqualToTransform(m_matrix, *((CGAffineTransform*) t->GetNativeMatrix()));
 }
 


@@ -921,7 +1015,7 @@ public :
     virtual void * GetNativePath() const { return m_path; }
 
     // give the native path returned by GetNativePath() back (there might be some deallocations necessary)
     virtual void * GetNativePath() const { return m_path; }
 
     // give the native path returned by GetNativePath() back (there might be some deallocations necessary)

-    virtual void UnGetNativePath(void *p) const {}
+    virtual void UnGetNativePath(void *WXUNUSED(p)) const {}

 
     // transforms each point of this path by the matrix
     virtual void Transform( const wxGraphicsMatrixData* matrix );
 
     // transforms each point of this path by the matrix
     virtual void Transform( const wxGraphicsMatrixData* matrix );


@@ -1056,7 +1150,7 @@ bool wxMacCoreGraphicsPathData::Contains( wxDouble x, wxDouble y, int fillStyle)
 class WXDLLEXPORT wxMacCoreGraphicsContext : public wxGraphicsContext
 {
 public:
 class WXDLLEXPORT wxMacCoreGraphicsContext : public wxGraphicsContext
 {
 public:

-    wxMacCoreGraphicsContext( wxGraphicsRenderer* renderer, CGContextRef cgcontext );
+    wxMacCoreGraphicsContext( wxGraphicsRenderer* renderer, CGContextRef cgcontext, wxDouble width = 0, wxDouble height = 0 );

 
     wxMacCoreGraphicsContext( wxGraphicsRenderer* renderer, WindowRef window );
 
 
     wxMacCoreGraphicsContext( wxGraphicsRenderer* renderer, WindowRef window );
 


@@ -1070,6 +1164,15 @@ public:
 
     void Init();
 
 
     void Init();
 

+    // returns the size of the graphics context in device coordinates
+    virtual void GetSize( wxDouble* width, wxDouble* height);
+
+    virtual void StartPage( wxDouble width, wxDouble height );
+    
+    virtual void EndPage();
+
+    virtual void Flush();
+

     // push the current state of the context, ie the transformation matrix on a stack
     virtual void PushState();
 
     // push the current state of the context, ie the transformation matrix on a stack
     virtual void PushState();
 


@@ -1087,6 +1190,7 @@ public:
 
     virtual void * GetNativeContext();
 
 
     virtual void * GetNativeContext();
 

+    bool SetLogicalFunction( int function );

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


@@ -1122,7 +1226,7 @@ public:
     virtual void DrawPath( const wxGraphicsPath &path, int fillStyle = wxODDEVEN_RULE );
 
     virtual bool ShouldOffset() const
     virtual void DrawPath( const wxGraphicsPath &path, int fillStyle = wxODDEVEN_RULE );
 
     virtual bool ShouldOffset() const

-    {
+    {     

         int penwidth = 0 ;
         if ( !m_pen.IsNull() )
         {
         int penwidth = 0 ;
         if ( !m_pen.IsNull() )
         {


@@ -1165,8 +1269,10 @@ private:
     WindowRef m_windowRef;
     bool m_releaseContext;
     CGAffineTransform m_windowTransform;
     WindowRef m_windowRef;
     bool m_releaseContext;
     CGAffineTransform m_windowTransform;

+    wxDouble m_width;
+    wxDouble m_height;

 
 

-    wxMacCFRefHolder<HIShapeRef> m_clipRgn;
+    wxCFRef<HIShapeRef> m_clipRgn;

 };
 
 //-----------------------------------------------------------------------------
 };
 
 //-----------------------------------------------------------------------------


@@ -1187,20 +1293,44 @@ private:
 
 IMPLEMENT_DYNAMIC_CLASS(wxMacCoreGraphicsContext, wxGraphicsContext)
 
 
 IMPLEMENT_DYNAMIC_CLASS(wxMacCoreGraphicsContext, wxGraphicsContext)
 

+class wxQuartzOffsetHelper
+{
+public :
+    wxQuartzOffsetHelper( CGContextRef cg , bool offset )
+    {
+        m_cg = cg;
+        m_offset = offset;
+        if ( m_offset )
+            CGContextTranslateCTM( m_cg, 0.5, 0.5 );
+    }
+    ~wxQuartzOffsetHelper( )
+    {
+        if ( m_offset )
+            CGContextTranslateCTM( m_cg, -0.5, -0.5 );
+    }
+public :
+    CGContextRef m_cg;
+    bool m_offset;
+} ;
+

 void wxMacCoreGraphicsContext::Init()
 {
     m_cgContext = NULL;
     m_releaseContext = false;
     m_windowRef = NULL;
 void wxMacCoreGraphicsContext::Init()
 {
     m_cgContext = NULL;
     m_releaseContext = false;
     m_windowRef = NULL;

+    m_width = 0;
+    m_height = 0;

 
     HIRect r = CGRectMake(0,0,0,0);
 
     HIRect r = CGRectMake(0,0,0,0);

-    m_clipRgn.Set(HIShapeCreateWithRect(&r));
+    m_clipRgn.reset(HIShapeCreateWithRect(&r));

 }
 
 }
 

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

 {
     Init();
     SetNativeContext(cgcontext);
 {
     Init();
     SetNativeContext(cgcontext);

+    m_width = width;
+    m_height = height;

 }
 
 wxMacCoreGraphicsContext::wxMacCoreGraphicsContext( wxGraphicsRenderer* renderer, WindowRef window ): wxGraphicsContext(renderer)
 }
 
 wxMacCoreGraphicsContext::wxMacCoreGraphicsContext( wxGraphicsRenderer* renderer, WindowRef window ): wxGraphicsContext(renderer)


@@ -1216,9 +1346,12 @@ wxMacCoreGraphicsContext::wxMacCoreGraphicsContext( wxGraphicsRenderer* renderer
     int originX , originY;
     originX = originY = 0;
     window->MacWindowToRootWindow( &originX , &originY );
     int originX , originY;
     originX = originY = 0;
     window->MacWindowToRootWindow( &originX , &originY );

-    Rect bounds;
-    GetWindowBounds( m_windowRef, kWindowContentRgn, &bounds );

 
 

+    Rect bounds = { 0,0,0,0 };
+#ifdef __LP64__
+#else
+    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 ) ;


@@ -1240,37 +1373,140 @@ wxMacCoreGraphicsContext::~wxMacCoreGraphicsContext()
     SetNativeContext(NULL);
 }
 
     SetNativeContext(NULL);
 }
 

+void wxMacCoreGraphicsContext::GetSize( wxDouble* width, wxDouble* height)
+{
+    *width = m_width;
+    *height = m_height;
+}
+
+
+void wxMacCoreGraphicsContext::StartPage( wxDouble width, wxDouble height )
+{
+    CGRect r;
+    if ( width != 0 && height != 0)
+        r = CGRectMake( 0 , 0 , width  , height );
+    else
+        r = CGRectMake( 0 , 0 , m_width  , m_height );
+    
+    CGContextBeginPage(m_cgContext,  &r );
+//    CGContextTranslateCTM( m_cgContext , 0 ,  height == 0 ? m_height : height );
+//    CGContextScaleCTM( m_cgContext , 1 , -1 );
+}
+    
+void wxMacCoreGraphicsContext::EndPage()
+{
+    CGContextEndPage(m_cgContext);
+}
+
+void wxMacCoreGraphicsContext::Flush()
+{
+    CGContextFlush(m_cgContext);
+}
+

 void wxMacCoreGraphicsContext::EnsureIsValid()
 {
     if ( !m_cgContext )
     {
 void wxMacCoreGraphicsContext::EnsureIsValid()
 {
     if ( !m_cgContext )
     {

-        OSStatus status = QDBeginCGContext( GetWindowPort( m_windowRef ) , &m_cgContext );
+        OSStatus status = 
+#ifndef __LP64__
+            QDBeginCGContext( GetWindowPort( m_windowRef ) , &m_cgContext );
+#else
+            paramErr;
+#endif

         wxASSERT_MSG( status == noErr , wxT("Cannot nest wxDCs on the same window") );
 
         CGContextConcatCTM( m_cgContext, m_windowTransform );
         wxASSERT_MSG( status == noErr , wxT("Cannot nest wxDCs on the same window") );
 
         CGContextConcatCTM( m_cgContext, m_windowTransform );

-        CGContextSaveGState( m_cgContext );
-        m_releaseContext = true;
-        if ( !HIShapeIsEmpty(m_clipRgn) )
+               CGContextSaveGState( m_cgContext );
+               m_releaseContext = true;
+               if ( !HIShapeIsEmpty(m_clipRgn) )
+               {
+            // 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 );
+                       HIShapeReplacePathInCGContext( hishape, m_cgContext );
+                       CGContextClip( m_cgContext );
+               }
+               CGContextSaveGState( m_cgContext );
+       }
+}
+
+// TODO test whether the private CGContextSetCompositeOperation works under 10.3 (using NSCompositingModes)
+
+bool wxMacCoreGraphicsContext::SetLogicalFunction( int function )
+{
+    if (m_logicalFunction == function)
+        return true;
+
+    EnsureIsValid();
+    
+    bool retval = false;
+    bool shouldAntiAlias = true;
+    CGBlendMode mode = kCGBlendModeNormal;
+    
+#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5
+    if ( UMAGetSystemVersion() >= 0x1050 )
+    {
+        retval = true;
+        switch ( function )

         {
         {

-            HIShapeReplacePathInCGContext( m_clipRgn, m_cgContext );
-            CGContextClip( m_cgContext );
+            // 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;
+        }
+    }
+    else
+#endif
+    {
+        if ( function == wxCOPY )
+        {
+            retval = true;
+        }
+        else if ( function == wxINVERT || function == wxXOR )
+        {
+            // change color to white
+            mode = kCGBlendModeExclusion;
+            shouldAntiAlias = false;
+            retval = true;

         }
     }
         }
     }

+    
+    if (retval)
+    {
+        m_logicalFunction = function;
+        CGContextSetBlendMode( m_cgContext, mode );
+        CGContextSetShouldAntialias(m_cgContext, shouldAntiAlias);
+    }
+    return retval ;

 }
 
 }
 

-

 void wxMacCoreGraphicsContext::Clip( const wxRegion &region )
 {
     if( m_cgContext )
     {
 void wxMacCoreGraphicsContext::Clip( const wxRegion &region )
 {
     if( m_cgContext )
     {

-        HIShapeRef shape = HIShapeCreateWithQDRgn( (RgnHandle) region.GetWXHRGN() );
-        HIShapeReplacePathInCGContext( shape, m_cgContext );
+        HIShapeReplacePathInCGContext( region.GetWXHRGN() , m_cgContext );

         CGContextClip( m_cgContext );
         CGContextClip( m_cgContext );

-        CFRelease( shape );

     }
     else
     {
     }
     else
     {

-        m_clipRgn.Set(HIShapeCreateWithQDRgn( (RgnHandle) region.GetWXHRGN() ));
+        // this offsetting to device coords is not really correct, but since we cannot apply affine transforms
+        // to regions we try at least to have correct translations
+        HIMutableShapeRef mutableShape = HIShapeCreateMutableCopy( region.GetWXHRGN() );
+        
+        CGPoint transformedOrigin = CGPointApplyAffineTransform( CGPointZero, m_windowTransform );
+        HIShapeOffset( mutableShape, transformedOrigin.x, transformedOrigin.y );
+        m_clipRgn.reset(mutableShape);

     }
 }
 
     }
 }
 


@@ -1284,7 +1520,10 @@ void wxMacCoreGraphicsContext::Clip( wxDouble x, wxDouble y, wxDouble w, wxDoubl
     }
     else
     {
     }
     else
     {

-        m_clipRgn.Set(HIShapeCreateWithRect(&r));
+        // the clipping itself must be stored as device coordinates, otherwise 
+        // we cannot apply it back correctly
+        r.origin= CGPointApplyAffineTransform( r.origin, m_windowTransform );
+        m_clipRgn.reset(HIShapeCreateWithRect(&r));

     }
 }
 
     }
 }
 


@@ -1293,13 +1532,20 @@ void wxMacCoreGraphicsContext::ResetClip()
 {
     if ( m_cgContext )
     {
 {
     if ( m_cgContext )
     {

+        // there is no way for clearing the clip, we can only revert to the stored
+        // state, but then we have to make sure everything else is NOT restored
+        CGAffineTransform transform = CGContextGetCTM( m_cgContext );

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

+        CGAffineTransform transformNew = CGContextGetCTM( m_cgContext );
+        transformNew = CGAffineTransformInvert( transformNew ) ;
+        CGContextConcatCTM( m_cgContext, transformNew);
+        CGContextConcatCTM( m_cgContext, transform);

     }
     else
     {
         HIRect r = CGRectMake(0,0,0,0);
     }
     else
     {
         HIRect r = CGRectMake(0,0,0,0);

-        m_clipRgn.Set(HIShapeCreateWithRect(&r));
+        m_clipRgn.reset(HIShapeCreateWithRect(&r));

     }
 }
 
     }
 }
 


@@ -1310,16 +1556,11 @@ void wxMacCoreGraphicsContext::StrokePath( const wxGraphicsPath &path )
 
     EnsureIsValid();
 
 
     EnsureIsValid();
 

-    bool offset = ShouldOffset();
-    if ( offset )
-        CGContextTranslateCTM( m_cgContext, 0.5, 0.5 );
+    wxQuartzOffsetHelper helper( m_cgContext , ShouldOffset() );

 
     ((wxMacCoreGraphicsPenData*)m_pen.GetRefData())->Apply(this);
     CGContextAddPath( m_cgContext , (CGPathRef) path.GetNativePath() );
     CGContextStrokePath( m_cgContext );
 
     ((wxMacCoreGraphicsPenData*)m_pen.GetRefData())->Apply(this);
     CGContextAddPath( m_cgContext , (CGPathRef) path.GetNativePath() );
     CGContextStrokePath( m_cgContext );

-
-    if ( offset )
-        CGContextTranslateCTM( m_cgContext, -0.5, -0.5 );

 }
 
 void wxMacCoreGraphicsContext::DrawPath( const wxGraphicsPath &path , int fillStyle )
 }
 
 void wxMacCoreGraphicsContext::DrawPath( const wxGraphicsPath &path , int fillStyle )


@@ -1365,16 +1606,10 @@ void wxMacCoreGraphicsContext::DrawPath( const wxGraphicsPath &path , int fillSt
     if ( !m_pen.IsNull() )
         ((wxMacCoreGraphicsPenData*)m_pen.GetRefData())->Apply(this);
 
     if ( !m_pen.IsNull() )
         ((wxMacCoreGraphicsPenData*)m_pen.GetRefData())->Apply(this);
 

-    bool offset = ShouldOffset();
-
-    if ( offset )
-        CGContextTranslateCTM( m_cgContext, 0.5, 0.5 );
+    wxQuartzOffsetHelper helper( m_cgContext , ShouldOffset() );

 
     CGContextAddPath( m_cgContext , (CGPathRef) path.GetNativePath() );
     CGContextDrawPath( m_cgContext , mode );
 
     CGContextAddPath( m_cgContext , (CGPathRef) path.GetNativePath() );
     CGContextDrawPath( m_cgContext , mode );

-
-    if ( offset )
-        CGContextTranslateCTM( m_cgContext, -0.5, -0.5 );

 }
 
 void wxMacCoreGraphicsContext::FillPath( const wxGraphicsPath &path , int fillStyle )
 }
 
 void wxMacCoreGraphicsContext::FillPath( const wxGraphicsPath &path , int fillStyle )


@@ -1414,7 +1649,11 @@ void wxMacCoreGraphicsContext::SetNativeContext( CGContextRef cg )
         CGContextRestoreGState( m_cgContext );
         CGContextRestoreGState( m_cgContext );
         if ( m_releaseContext )
         CGContextRestoreGState( m_cgContext );
         CGContextRestoreGState( m_cgContext );
         if ( m_releaseContext )

+        {
+#ifndef __LP64__

             QDEndCGContext( GetWindowPort( m_windowRef ) , &m_cgContext);
             QDEndCGContext( GetWindowPort( m_windowRef ) , &m_cgContext);

+#endif
+        }

         else
             CGContextRelease(m_cgContext);
     }
         else
             CGContextRelease(m_cgContext);
     }


@@ -1466,9 +1705,35 @@ void wxMacCoreGraphicsContext::DrawBitmap( const wxBitmap &bmp, wxDouble x, wxDo
 {
     EnsureIsValid();
 
 {
     EnsureIsValid();
 

-    CGImageRef image = (CGImageRef)( bmp.CGImageCreate() );
+    CGImageRef image = (CGImageRef)( bmp.CreateCGImage() );

     HIRect r = CGRectMake( x , y , w , h );
     HIRect r = CGRectMake( x , y , w , h );

-    HIViewDrawCGImage( m_cgContext , &r , image );
+    if ( bmp.GetDepth() == 1 )
+    {
+        // is is a mask, the '1' in the mask tell where to draw the current brush
+        if (  !m_brush.IsNull() )
+        {
+            if ( ((wxMacCoreGraphicsBrushData*)m_brush.GetRefData())->IsShading() )
+            {
+                // TODO clip to mask
+            /*
+                CGContextSaveGState( m_cgContext );
+                CGContextAddPath( m_cgContext , (CGPathRef) path.GetNativePath() );
+                CGContextClip( m_cgContext );
+                CGContextDrawShading( m_cgContext, ((wxMacCoreGraphicsBrushData*)m_brush.GetRefData())->GetShading() );
+                CGContextRestoreGState( m_cgContext);
+            */
+            }
+            else
+            {
+                ((wxMacCoreGraphicsBrushData*)m_brush.GetRefData())->Apply(this);
+                wxMacDrawCGImage( m_cgContext , &r , image );
+            }
+        }
+    }
+    else
+    {
+        wxMacDrawCGImage( m_cgContext , &r , image );
+    }

     CGImageRelease( image );
 }
 
     CGImageRelease( image );
 }
 


@@ -1500,141 +1765,150 @@ void wxMacCoreGraphicsContext::PopState()
 }
 
 void wxMacCoreGraphicsContext::DrawText( const wxString &str, wxDouble x, wxDouble y )
 }
 
 void wxMacCoreGraphicsContext::DrawText( const wxString &str, wxDouble x, wxDouble y )

-{
-    DrawText(str, x, y, 0.0);
-}
-
-void wxMacCoreGraphicsContext::DrawText( const wxString &str, wxDouble x, wxDouble y, wxDouble angle )

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

-
+    

     EnsureIsValid();
     EnsureIsValid();

-
-    OSStatus status = noErr;
-    ATSUTextLayout atsuLayout;
-    UniCharCount chars = str.length();
-    UniChar* ubuf = NULL;
-
-#if SIZEOF_WCHAR_T == 4
-    wxMBConvUTF16 converter;
-#if wxUSE_UNICODE
-    size_t unicharlen = converter.WC2MB( NULL , str.wc_str() , 0 );
-    ubuf = (UniChar*) malloc( unicharlen + 2 );
-    converter.WC2MB( (char*) ubuf , str.wc_str(), unicharlen + 2 );
-#else
-    const wxWCharBuffer wchar = str.wc_str( wxConvLocal );
-    size_t unicharlen = converter.WC2MB( NULL , wchar.data() , 0 );
-    ubuf = (UniChar*) malloc( unicharlen + 2 );
-    converter.WC2MB( (char*) ubuf , wchar.data() , unicharlen + 2 );
+#if wxMAC_USE_CORE_TEXT
+    if ( UMAGetSystemVersion() >= 0x1050 )
+    {
+        wxMacCoreGraphicsFontData* fref = (wxMacCoreGraphicsFontData*)m_font.GetRefData();
+        wxCFStringRef text(str, wxLocale::GetSystemEncoding() );
+        CTFontRef font = fref->GetCTFont();
+        CGColorRef col = fref->GetColour().GetPixel();
+        CTUnderlineStyle ustyle = fref->GetUnderlined() ? kCTUnderlineStyleSingle : kCTUnderlineStyleNone ;
+        wxCFRef<CFNumberRef> underlined( CFNumberCreate(NULL, kCFNumberSInt32Type, &ustyle) ); 
+         CFStringRef keys[] = { kCTFontAttributeName , kCTForegroundColorAttributeName, kCTUnderlineStyleAttributeName };
+        CFTypeRef values[] = { font, col, underlined };
+        wxCFRef<CFDictionaryRef> attributes( CFDictionaryCreate(kCFAllocatorDefault, (const void**) &keys, (const void**) &values, 
+                                                        WXSIZEOF( keys ), &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks) );
+        wxCFRef<CFAttributedStringRef> attrtext( CFAttributedStringCreate(kCFAllocatorDefault, text, attributes) );
+        wxCFRef<CTLineRef> line( CTLineCreateWithAttributedString(attrtext) );
+        
+        y += CTFontGetAscent(font);
+        
+        CGContextSaveGState(m_cgContext);
+        CGContextTranslateCTM(m_cgContext, x, y);
+        CGContextScaleCTM(m_cgContext, 1, -1);
+        CGContextSetTextPosition(m_cgContext, 0, 0);
+        CTLineDraw( line, m_cgContext );
+        CGContextRestoreGState(m_cgContext);
+        return;
+    }

 #endif
 #endif

-    chars = unicharlen / 2;
-#else
-#if wxUSE_UNICODE
-    ubuf = (UniChar*) str.wc_str();
-#else
-    wxWCharBuffer wchar = str.wc_str( wxConvLocal );
-    chars = wxWcslen( wchar.data() );
-    ubuf = (UniChar*) wchar.data();
+#if wxMAC_USE_ATSU_TEXT
+    {
+        DrawText(str, x, y, 0.0);
+        return;
+    }

 #endif
 #endif

+#if wxMAC_USE_CG_TEXT
+    // TODO core graphics text implementation here

 #endif
 #endif

+}

 
 

-    ATSUStyle style = (((wxMacCoreGraphicsFontData*)m_font.GetRefData())->GetATSUStyle());
-    status = ::ATSUCreateTextLayoutWithTextPtr( (UniCharArrayPtr) ubuf , 0 , chars , chars , 1 ,
-        &chars , &style , &atsuLayout );
-
-    wxASSERT_MSG( status == noErr , wxT("couldn't create the layout of the rotated text") );
-
-    status = ::ATSUSetTransientFontMatching( atsuLayout , true );
-    wxASSERT_MSG( status == noErr , wxT("couldn't setup transient font matching") );
+void wxMacCoreGraphicsContext::DrawText( const wxString &str, wxDouble x, wxDouble y, wxDouble angle )
+{
+    if ( m_font.IsNull() )
+        return;

 
 

-    int iAngle = int( angle * RAD2DEG );
-    if ( abs(iAngle) > 0 )
+    EnsureIsValid();
+#if wxMAC_USE_CORE_TEXT
+    if ( UMAGetSystemVersion() >= 0x1050 )

     {
     {

-        Fixed atsuAngle = IntToFixed( iAngle );
-        ATSUAttributeTag atsuTags[] =
-        {
-            kATSULineRotationTag ,
-        };
-        ByteCount atsuSizes[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] =
-        {
-            sizeof( Fixed ) ,
-        };
-        ATSUAttributeValuePtr    atsuValues[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] =
-        {
-            &atsuAngle ,
-        };
-        status = ::ATSUSetLayoutControls(atsuLayout , sizeof(atsuTags) / sizeof(ATSUAttributeTag),
-            atsuTags, atsuSizes, atsuValues );
+        // default implementation takes care of rotation and calls non rotated DrawText afterwards
+        wxGraphicsContext::DrawText( str, x, y, angle );
+        return;

     }
     }

-
+#endif
+#if wxMAC_USE_ATSU_TEXT

     {
     {

-        ATSUAttributeTag atsuTags[] =
-        {
-            kATSUCGContextTag ,
-        };
-        ByteCount atsuSizes[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] =
+        OSStatus status = noErr;
+        ATSUTextLayout atsuLayout;
+        wxMacUniCharBuffer unibuf( str );
+        UniCharCount chars = unibuf.GetChars();
+
+        ATSUStyle style = (((wxMacCoreGraphicsFontData*)m_font.GetRefData())->GetATSUStyle());
+        status = ::ATSUCreateTextLayoutWithTextPtr( unibuf.GetBuffer() , 0 , chars , chars , 1 ,
+                                                   &chars , &style , &atsuLayout );
+        
+        wxASSERT_MSG( status == noErr , wxT("couldn't create the layout of the rotated text") );
+        
+        status = ::ATSUSetTransientFontMatching( atsuLayout , true );
+        wxASSERT_MSG( status == noErr , wxT("couldn't setup transient font matching") );
+        
+        int iAngle = int( angle * RAD2DEG );
+        if ( abs(iAngle) > 0 )

         {
         {

-            sizeof( CGContextRef ) ,
-        };
-        ATSUAttributeValuePtr    atsuValues[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] =
+            Fixed atsuAngle = IntToFixed( iAngle );
+            ATSUAttributeTag atsuTags[] =
+            {
+                kATSULineRotationTag ,
+            };
+            ByteCount atsuSizes[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] =
+            {
+                sizeof( Fixed ) ,
+            };
+            ATSUAttributeValuePtr    atsuValues[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] =
+            {
+                &atsuAngle ,
+            };
+            status = ::ATSUSetLayoutControls(atsuLayout , sizeof(atsuTags) / sizeof(ATSUAttributeTag),
+                                             atsuTags, atsuSizes, atsuValues );
+        }
+        

         {
         {

-            &m_cgContext ,
-        };
-        status = ::ATSUSetLayoutControls(atsuLayout , sizeof(atsuTags) / sizeof(ATSUAttributeTag),
-            atsuTags, atsuSizes, atsuValues );
-    }
-
-    ATSUTextMeasurement textBefore, textAfter;
-    ATSUTextMeasurement ascent, descent;
-
-    status = ::ATSUGetUnjustifiedBounds( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd,
-        &textBefore , &textAfter, &ascent , &descent );
-
-    wxASSERT_MSG( status == noErr , wxT("couldn't measure the rotated text") );
-
-    Rect rect;
-/*
-    // TODO
-    if ( m_backgroundMode == wxSOLID )
-    {
-        wxGraphicsPath* path = m_graphicContext->CreatePath();
-        path->MoveToPoint( drawX , drawY );
-        path->AddLineToPoint(
-            (int) (drawX + sin(angle / RAD2DEG) * FixedToInt(ascent + descent)) ,
-            (int) (drawY + cos(angle / RAD2DEG) * FixedToInt(ascent + descent)) );
-        path->AddLineToPoint(
-            (int) (drawX + sin(angle / RAD2DEG) * FixedToInt(ascent + descent ) + cos(angle / RAD2DEG) * FixedToInt(textAfter)) ,
-            (int) (drawY + cos(angle / RAD2DEG) * FixedToInt(ascent + descent) - sin(angle / RAD2DEG) * FixedToInt(textAfter)) );
-        path->AddLineToPoint(
-            (int) (drawX + cos(angle / RAD2DEG) * FixedToInt(textAfter)) ,
-            (int) (drawY - sin(angle / RAD2DEG) * FixedToInt(textAfter)) );
-
-        m_graphicContext->FillPath( path , m_textBackgroundColour );
-        delete path;
+            ATSUAttributeTag atsuTags[] =
+            {
+                kATSUCGContextTag ,
+            };
+            ByteCount atsuSizes[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] =
+            {
+                sizeof( CGContextRef ) ,
+            };
+            ATSUAttributeValuePtr    atsuValues[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] =
+            {
+                &m_cgContext ,
+            };
+            status = ::ATSUSetLayoutControls(atsuLayout , sizeof(atsuTags) / sizeof(ATSUAttributeTag),
+                                             atsuTags, atsuSizes, atsuValues );
+        }
+        
+        ATSUTextMeasurement textBefore, textAfter;
+        ATSUTextMeasurement ascent, descent;
+        
+        status = ::ATSUGetUnjustifiedBounds( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd,
+                                            &textBefore , &textAfter, &ascent , &descent );
+        
+        wxASSERT_MSG( status == noErr , wxT("couldn't measure the rotated text") );
+        
+        Rect rect;
+        x += (int)(sin(angle) * FixedToInt(ascent));
+        y += (int)(cos(angle) * FixedToInt(ascent));
+        
+        status = ::ATSUMeasureTextImage( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd,
+                                        IntToFixed(x) , IntToFixed(y) , &rect );
+        wxASSERT_MSG( status == noErr , wxT("couldn't measure the rotated text") );
+        
+        CGContextSaveGState(m_cgContext);
+        CGContextTranslateCTM(m_cgContext, x, y);
+        CGContextScaleCTM(m_cgContext, 1, -1);
+        status = ::ATSUDrawText( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd,
+                                IntToFixed(0) , IntToFixed(0) );
+        
+        wxASSERT_MSG( status == noErr , wxT("couldn't draw the rotated text") );
+        
+        CGContextRestoreGState(m_cgContext);
+        
+        ::ATSUDisposeTextLayout(atsuLayout);
+        
+        return;

     }
     }

-*/
-    x += (int)(sin(angle / RAD2DEG) * FixedToInt(ascent));
-    y += (int)(cos(angle / RAD2DEG) * FixedToInt(ascent));
-
-    status = ::ATSUMeasureTextImage( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd,
-        IntToFixed(x) , IntToFixed(y) , &rect );
-    wxASSERT_MSG( status == noErr , wxT("couldn't measure the rotated text") );
-
-    CGContextSaveGState(m_cgContext);
-    CGContextTranslateCTM(m_cgContext, x, y);
-    CGContextScaleCTM(m_cgContext, 1, -1);
-    status = ::ATSUDrawText( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd,
-        IntToFixed(0) , IntToFixed(0) );
-
-    wxASSERT_MSG( status == noErr , wxT("couldn't draw the rotated text") );
-
-    CGContextRestoreGState(m_cgContext);
-
-    ::ATSUDisposeTextLayout(atsuLayout);
-
-#if SIZEOF_WCHAR_T == 4
-    free( ubuf );
+#endif
+#if wxMAC_USE_CG_TEXT
+    // default implementation takes care of rotation and calls non rotated DrawText afterwards
+    wxGraphicsContext::DrawText( str, x, y, angle );

 #endif
 }
 
 #endif
 }
 


@@ -1643,57 +1917,84 @@ void wxMacCoreGraphicsContext::GetTextExtent( const wxString &str, wxDouble *wid
 {
     wxCHECK_RET( !m_font.IsNull(), wxT("wxDC(cg)::DoGetTextExtent - no valid font set") );
 
 {
     wxCHECK_RET( !m_font.IsNull(), wxT("wxDC(cg)::DoGetTextExtent - no valid font set") );
 

-    OSStatus status = noErr;
-
-    ATSUTextLayout atsuLayout;
-    UniCharCount chars = str.length();
-    UniChar* ubuf = NULL;
-
-#if SIZEOF_WCHAR_T == 4
-    wxMBConvUTF16 converter;
-#if wxUSE_UNICODE
-    size_t unicharlen = converter.WC2MB( NULL , str.wc_str() , 0 );
-    ubuf = (UniChar*) malloc( unicharlen + 2 );
-    converter.WC2MB( (char*) ubuf , str.wc_str(), unicharlen + 2 );
-#else
-    const wxWCharBuffer wchar = str.wc_str( wxConvLocal );
-    size_t unicharlen = converter.WC2MB( NULL , wchar.data() , 0 );
-    ubuf = (UniChar*) malloc( unicharlen + 2 );
-    converter.WC2MB( (char*) ubuf , wchar.data() , unicharlen + 2 );
-#endif
-    chars = unicharlen / 2;
-#else
-#if wxUSE_UNICODE
-    ubuf = (UniChar*) str.wc_str();
-#else
-    wxWCharBuffer wchar = str.wc_str( wxConvLocal );
-    chars = wxWcslen( wchar.data() );
-    ubuf = (UniChar*) wchar.data();
-#endif
-#endif
-
-    ATSUStyle style = (((wxMacCoreGraphicsFontData*)m_font.GetRefData())->GetATSUStyle());
-    status = ::ATSUCreateTextLayoutWithTextPtr( (UniCharArrayPtr) ubuf , 0 , chars , chars , 1 ,
-        &chars , &style , &atsuLayout );
-
-    wxASSERT_MSG( status == noErr , wxT("couldn't create the layout of the text") );
-
-    ATSUTextMeasurement textBefore, textAfter;
-    ATSUTextMeasurement textAscent, textDescent;
-
-    status = ::ATSUGetUnjustifiedBounds( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd,
-        &textBefore , &textAfter, &textAscent , &textDescent );
-
+    if ( width )
+        *width = 0;

     if ( height )
     if ( height )

-        *height = FixedToInt(textAscent + textDescent);
+        *height = 0;

     if ( descent )
     if ( descent )

-        *descent = FixedToInt(textDescent);
+        *descent = 0;

     if ( externalLeading )
         *externalLeading = 0;
     if ( externalLeading )
         *externalLeading = 0;

-    if ( width )
-        *width = FixedToInt(textAfter - textBefore);
+        
+    if (str.empty())
+        return;

 
 

-    ::ATSUDisposeTextLayout(atsuLayout);
+#if wxMAC_USE_CORE_TEXT
+    if ( UMAGetSystemVersion() >= 0x1050 )
+    {
+        wxMacCoreGraphicsFontData* fref = (wxMacCoreGraphicsFontData*)m_font.GetRefData();
+        CTFontRef font = fref->GetCTFont();
+
+        wxCFStringRef text(str, wxLocale::GetSystemEncoding() );
+        CFStringRef keys[] = { kCTFontAttributeName  };
+        CFTypeRef values[] = { font };
+        wxCFRef<CFDictionaryRef> attributes( CFDictionaryCreate(kCFAllocatorDefault, (const void**) &keys, (const void**) &values, 
+                                                                WXSIZEOF( keys ), &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks) );
+        wxCFRef<CFAttributedStringRef> attrtext( CFAttributedStringCreate(kCFAllocatorDefault, text, attributes) );
+        wxCFRef<CTLineRef> line( CTLineCreateWithAttributedString(attrtext) );
+            
+        CGFloat w, a, d, l;
+        
+        w = CTLineGetTypographicBounds(line, &a, &d, &l) ;
+        
+        if ( height )
+            *height = a+d+l;
+        if ( descent )
+            *descent = d;
+        if ( externalLeading )
+            *externalLeading = l;
+        if ( width )
+            *width = w;
+        return;
+    }
+#endif
+#if wxMAC_USE_ATSU_TEXT
+    {
+        OSStatus status = noErr;
+        
+        ATSUTextLayout atsuLayout;
+        wxMacUniCharBuffer unibuf( str );
+        UniCharCount chars = unibuf.GetChars();
+        
+        ATSUStyle style = (((wxMacCoreGraphicsFontData*)m_font.GetRefData())->GetATSUStyle());
+        status = ::ATSUCreateTextLayoutWithTextPtr( unibuf.GetBuffer() , 0 , chars , chars , 1 ,
+                                                   &chars , &style , &atsuLayout );
+        
+        wxASSERT_MSG( status == noErr , wxT("couldn't create the layout of the text") );
+        
+        ATSUTextMeasurement textBefore, textAfter;
+        ATSUTextMeasurement textAscent, textDescent;
+        
+        status = ::ATSUGetUnjustifiedBounds( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd,
+                                            &textBefore , &textAfter, &textAscent , &textDescent );
+        
+        if ( height )
+            *height = FixedToInt(textAscent + textDescent);
+        if ( descent )
+            *descent = FixedToInt(textDescent);
+        if ( externalLeading )
+            *externalLeading = 0;
+        if ( width )
+            *width = FixedToInt(textAfter - textBefore);
+        
+        ::ATSUDisposeTextLayout(atsuLayout);
+
+        return;
+    }
+#endif
+#if wxMAC_USE_CG_TEXT
+    // TODO core graphics text implementation here
+#endif

 }
 
 void wxMacCoreGraphicsContext::GetPartialTextExtents(const wxString& text, wxArrayDouble& widths) const
 }
 
 void wxMacCoreGraphicsContext::GetPartialTextExtents(const wxString& text, wxArrayDouble& widths) const


@@ -1704,54 +2005,60 @@ void wxMacCoreGraphicsContext::GetPartialTextExtents(const wxString& text, wxArr
     if (text.empty())
         return;
 
     if (text.empty())
         return;
 

-    ATSUTextLayout atsuLayout;
-    UniCharCount chars = text.length();
-    UniChar* ubuf = NULL;
-
-#if SIZEOF_WCHAR_T == 4
-    wxMBConvUTF16 converter;
-#if wxUSE_UNICODE
-    size_t unicharlen = converter.WC2MB( NULL , text.wc_str() , 0 );
-    ubuf = (UniChar*) malloc( unicharlen + 2 );
-    converter.WC2MB( (char*) ubuf , text.wc_str(), unicharlen + 2 );
-#else
-    const wxWCharBuffer wchar = text.wc_str( wxConvLocal );
-    size_t unicharlen = converter.WC2MB( NULL , wchar.data() , 0 );
-    ubuf = (UniChar*) malloc( unicharlen + 2 );
-    converter.WC2MB( (char*) ubuf , wchar.data() , unicharlen + 2 );
-#endif
-    chars = unicharlen / 2;
-#else
-#if wxUSE_UNICODE
-    ubuf = (UniChar*) text.wc_str();
-#else
-    wxWCharBuffer wchar = text.wc_str( wxConvLocal );
-    chars = wxWcslen( wchar.data() );
-    ubuf = (UniChar*) wchar.data();
-#endif
+#if wxMAC_USE_CORE_TEXT
+    {
+        wxMacCoreGraphicsFontData* fref = (wxMacCoreGraphicsFontData*)m_font.GetRefData();
+        CTFontRef font = fref->GetCTFont();
+        
+        wxCFStringRef t(text, wxLocale::GetSystemEncoding() );
+        CFStringRef keys[] = { kCTFontAttributeName  };
+        CFTypeRef values[] = { font };
+        wxCFRef<CFDictionaryRef> attributes( CFDictionaryCreate(kCFAllocatorDefault, (const void**) &keys, (const void**) &values, 
+                                                                WXSIZEOF( keys ), &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks) );
+        wxCFRef<CFAttributedStringRef> attrtext( CFAttributedStringCreate(kCFAllocatorDefault, t, attributes) );
+        wxCFRef<CTLineRef> line( CTLineCreateWithAttributedString(attrtext) );
+        
+        int chars = text.length();
+        for ( int pos = 0; pos < (int)chars; pos ++ )
+        {
+            widths[pos] = CTLineGetOffsetForStringIndex( line, pos+1 , NULL )+0.5;
+        }
+        
+        return;
+    }

 #endif
 #endif

-
-    ATSUStyle style = (((wxMacCoreGraphicsFontData*)m_font.GetRefData())->GetATSUStyle());
-    ::ATSUCreateTextLayoutWithTextPtr( (UniCharArrayPtr) ubuf , 0 , chars , chars , 1 ,
-        &chars , &style , &atsuLayout );
-
-    for ( int pos = 0; pos < (int)chars; pos ++ )
+#if wxMAC_USE_ATSU_TEXT

     {
     {

-        unsigned long actualNumberOfBounds = 0;
-        ATSTrapezoid glyphBounds;
-
-        // We get a single bound, since the text should only require one. If it requires more, there is an issue
-        OSStatus result;
-        result = ATSUGetGlyphBounds( atsuLayout, 0, 0, kATSUFromTextBeginning, pos + 1,
-            kATSUseDeviceOrigins, 1, &glyphBounds, &actualNumberOfBounds );
-        if (result != noErr || actualNumberOfBounds != 1 )
-            return;
-
-        widths[pos] = FixedToInt( glyphBounds.upperRight.x - glyphBounds.upperLeft.x );
-        //unsigned char uch = s[i];
+        ATSUTextLayout atsuLayout;
+        wxMacUniCharBuffer unibuf( text );
+        UniCharCount chars = unibuf.GetChars();
+        
+        ATSUStyle style = (((wxMacCoreGraphicsFontData*)m_font.GetRefData())->GetATSUStyle());
+        ::ATSUCreateTextLayoutWithTextPtr( unibuf.GetBuffer() , 0 , chars , chars , 1 ,
+                                          &chars , &style , &atsuLayout );
+        
+        for ( int pos = 0; pos < (int)chars; pos ++ )
+        {
+            unsigned long actualNumberOfBounds = 0;
+            ATSTrapezoid glyphBounds;
+            
+            // We get a single bound, since the text should only require one. If it requires more, there is an issue
+            OSStatus result;
+            result = ATSUGetGlyphBounds( atsuLayout, 0, 0, kATSUFromTextBeginning, pos + 1,
+                                        kATSUseDeviceOrigins, 1, &glyphBounds, &actualNumberOfBounds );
+            if (result != noErr || actualNumberOfBounds != 1 )
+                return;
+            
+            widths[pos] = FixedToInt( glyphBounds.upperRight.x - glyphBounds.upperLeft.x );
+            //unsigned char uch = s[i];
+        }
+        
+        ::ATSUDisposeTextLayout(atsuLayout);

     }
     }

-
-    ::ATSUDisposeTextLayout(atsuLayout);
+#endif
+#if wxMAC_USE_CG_TEXT
+    // TODO core graphics text implementation here
+#endif

 }
 
 void * wxMacCoreGraphicsContext::GetNativeContext()
 }
 
 void * wxMacCoreGraphicsContext::GetNativeContext()


@@ -1811,12 +2118,15 @@ public :
     // Context
 
     virtual wxGraphicsContext * CreateContext( const wxWindowDC& dc);
     // Context
 
     virtual wxGraphicsContext * CreateContext( const wxWindowDC& dc);

+    virtual wxGraphicsContext * CreateContext( const wxMemoryDC& dc);

 
     virtual wxGraphicsContext * CreateContextFromNativeContext( void * context );
 
     virtual wxGraphicsContext * CreateContextFromNativeWindow( void * window );
 
     virtual wxGraphicsContext * CreateContext( wxWindow* window );
 
     virtual wxGraphicsContext * CreateContextFromNativeContext( void * context );
 
     virtual wxGraphicsContext * CreateContextFromNativeWindow( void * window );
 
     virtual wxGraphicsContext * CreateContext( wxWindow* window );

+    
+    virtual wxGraphicsContext * CreateMeasuringContext();

 
     // Path
 
 
     // Path
 


@@ -1861,9 +2171,26 @@ wxGraphicsRenderer* wxGraphicsRenderer::GetDefaultRenderer()
     return &gs_MacCoreGraphicsRenderer;
 }
 
     return &gs_MacCoreGraphicsRenderer;
 }
 

-wxGraphicsContext * wxMacCoreGraphicsRenderer::CreateContext( const wxWindowDC& dc)
+wxGraphicsContext * wxMacCoreGraphicsRenderer::CreateContext( const wxWindowDC& dc )
+{
+    const wxDCImpl* impl = dc.GetImpl();
+    wxWindowDCImpl *win_impl = wxDynamicCast( impl, wxWindowDCImpl );
+    if (win_impl)
+        return new wxMacCoreGraphicsContext( this,
+           (CGContextRef)(win_impl->GetWindow()->MacGetCGContextRef()) );
+           
+    return NULL;
+}
+
+wxGraphicsContext * wxMacCoreGraphicsRenderer::CreateContext( const wxMemoryDC& dc )

 {
 {

-   return new wxMacCoreGraphicsContext(this,(CGContextRef)dc.GetWindow()->MacGetCGContextRef() );
+    const wxDCImpl* impl = dc.GetImpl();
+    wxMemoryDCImpl *mem_impl = wxDynamicCast( impl, wxMemoryDCImpl );
+    if (mem_impl)
+        return new wxMacCoreGraphicsContext( this, 
+            (CGContextRef)(mem_impl->GetGraphicsContext()->GetNativeContext()) );
+            
+    return NULL;

 }
 
 wxGraphicsContext * wxMacCoreGraphicsRenderer::CreateContextFromNativeContext( void * context )
 }
 
 wxGraphicsContext * wxMacCoreGraphicsRenderer::CreateContextFromNativeContext( void * context )


@@ -1882,6 +2209,11 @@ wxGraphicsContext * wxMacCoreGraphicsRenderer::CreateContext( wxWindow* window )
     return new wxMacCoreGraphicsContext(this, window );
 }
 
     return new wxMacCoreGraphicsContext(this, window );
 }
 

+wxGraphicsContext * wxMacCoreGraphicsRenderer::CreateMeasuringContext()
+{
+    return new wxMacCoreGraphicsContext(this);
+}
+

 // Path
 
 wxGraphicsPath wxMacCoreGraphicsRenderer::CreatePath()
 // Path
 
 wxGraphicsPath wxMacCoreGraphicsRenderer::CreatePath()


@@ -1964,6 +2296,67 @@ wxGraphicsFont wxMacCoreGraphicsRenderer::CreateFont( const wxFont &font , const
         return wxNullGraphicsFont;
 }
 
         return wxNullGraphicsFont;
 }
 

+//
+// CoreGraphics Helper Methods
+//
+
+// Data Providers and Consumers

 
 

+size_t UMAPutBytesCFRefCallback( void *info, const void *bytes, size_t count )
+{
+    CFMutableDataRef data = (CFMutableDataRef) info;
+    if ( data )
+    {
+        CFDataAppendBytes( data, (const UInt8*) bytes, count );
+    }
+    return count;
+}

 
 

-#endif // wxMAC_USE_CORE_GRAPHICS
+void wxMacReleaseCFDataProviderCallback(void *info,
+                                      const void *WXUNUSED(data),
+                                      size_t WXUNUSED(count))
+{
+    if ( info )
+        CFRelease( (CFDataRef) info );
+}
+
+void wxMacReleaseCFDataConsumerCallback( void *info )
+{
+    if ( info )
+        CFRelease( (CFDataRef) info );
+}
+
+CGDataProviderRef wxMacCGDataProviderCreateWithCFData( CFDataRef data )
+{
+    if ( data == NULL )
+        return NULL;
+
+    return CGDataProviderCreateWithCFData( data );
+}
+
+CGDataConsumerRef wxMacCGDataConsumerCreateWithCFData( CFMutableDataRef data )
+{
+    if ( data == NULL )
+        return NULL;
+
+    return CGDataConsumerCreateWithCFData( data );
+}
+
+void wxMacReleaseMemoryBufferProviderCallback(void *info, const void *data, size_t WXUNUSED(size))
+{
+    wxMemoryBuffer* membuf = (wxMemoryBuffer*) info ;
+
+    wxASSERT( data == membuf->GetData() ) ;
+
+    delete membuf ;
+}
+
+CGDataProviderRef wxMacCGDataProviderCreateWithMemoryBuffer( const wxMemoryBuffer& buf )
+{
+    wxMemoryBuffer* b = new wxMemoryBuffer( buf );
+    if ( b->GetDataLen() == 0 )
+        return NULL;
+        
+    return CGDataProviderCreateWithData( b , (const void *) b->GetData() , b->GetDataLen() ,
+                                                 wxMacReleaseMemoryBufferProviderCallback );
+}
\ No newline at end of file