new renderer architecture

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@42433 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

diff --git a/src/mac/carbon/graphics.cpp b/src/mac/carbon/graphics.cpp
index 49b58ca394faca31a8ab5ccbc77e5acb42e02bdd..295b0b14d1594df4123240bb9eb438a906b38b4a 100755 (executable)
--- a/src/mac/carbon/graphics.cpp
+++ b/src/mac/carbon/graphics.cpp
@@ -51,1011 +51,1548 @@ const double M_PI = 3.14159265358979;
 static const double RAD2DEG = 180.0 / M_PI;
 
 //
 static const double RAD2DEG = 180.0 / M_PI;
 
 //

-// Graphics Path
+// Pen, Brushes and Fonts

 //
 
 //
 

-class WXDLLEXPORT wxMacCoreGraphicsPath : public wxGraphicsPath
+#pragma mark -
+#pragma mark wxMacCoreGraphicsPattern, ImagePattern, HatchPattern classes
+
+// CGPattern wrapper class: always allocate on heap, never call destructor
+
+class wxMacCoreGraphicsPattern

 {
 public :
 {
 public :

-    wxMacCoreGraphicsPath();
-    ~wxMacCoreGraphicsPath();
+    wxMacCoreGraphicsPattern() {}

 
 

-    // begins a new subpath at (x,y)
-    virtual void MoveToPoint( wxDouble x, wxDouble y );
+    // is guaranteed to be called only with a non-Null CGContextRef
+    virtual void Render( CGContextRef ctxRef ) = 0;

 
 

-    // adds a straight line from the current point to (x,y) 
-    virtual void AddLineToPoint( wxDouble x, wxDouble y );
+    operator CGPatternRef() const { return m_patternRef; }

 
 

-    // adds a cubic Bezier curve from the current point, using two control points and an end point
-    virtual void AddCurveToPoint( wxDouble cx1, wxDouble cy1, wxDouble cx2, wxDouble cy2, wxDouble x, wxDouble y );
+protected :
+    virtual ~wxMacCoreGraphicsPattern()
+    {
+        // as this is called only when the m_patternRef is been released;
+        // don't release it again
+    }

 
 

-    // closes the current sub-path
-    virtual void CloseSubpath();
+    static void _Render( void *info, CGContextRef ctxRef )
+    {
+        wxMacCoreGraphicsPattern* self = (wxMacCoreGraphicsPattern*) info;
+        if ( self && ctxRef )
+            self->Render( ctxRef );
+    }

 
 

-    // gets the last point of the current path, (0,0) if not yet set
-    virtual void GetCurrentPoint( wxDouble& x, wxDouble&y);
+    static void _Dispose( void *info )
+    {
+        wxMacCoreGraphicsPattern* self = (wxMacCoreGraphicsPattern*) info;
+        delete self;
+    }

 
 

-    // adds an arc of a circle centering at (x,y) with radius (r) from startAngle to endAngle
-    virtual void AddArc( wxDouble x, wxDouble y, wxDouble r, wxDouble startAngle, wxDouble endAngle, bool clockwise );
+    CGPatternRef m_patternRef;

 
 

-    //
-    // These are convenience functions which - if not available natively will be assembled 
-    // using the primitives from above
-    //
+    static const CGPatternCallbacks ms_Callbacks;
+};

 
 

-    // adds a quadratic Bezier curve from the current point, using a control point and an end point
-    virtual void AddQuadCurveToPoint( wxDouble cx, wxDouble cy, wxDouble x, wxDouble y );
+const CGPatternCallbacks wxMacCoreGraphicsPattern::ms_Callbacks = { 0, &wxMacCoreGraphicsPattern::_Render, &wxMacCoreGraphicsPattern::_Dispose };

 
 

-    // appends a rectangle as a new closed subpath 
-    virtual void AddRectangle( wxDouble x, wxDouble y, wxDouble w, wxDouble h );
+class ImagePattern : public wxMacCoreGraphicsPattern
+{
+public :
+    ImagePattern( const wxBitmap* bmp , const CGAffineTransform& transform )
+    {
+        wxASSERT( bmp && bmp->Ok() );

 
 

-    // appends an ellipsis as a new closed subpath fitting the passed rectangle
-    virtual void AddCircle( wxDouble x, wxDouble y, wxDouble r );
+        Init( (CGImageRef) bmp->CGImageCreate() , transform );
+    }

 
 

-    // draws a an arc to two tangents connecting (current) to (x1,y1) and (x1,y1) to (x2,y2), also a straight line from (current) to (x1,y1)
-    virtual void AddArcToPoint( wxDouble x1, wxDouble y1 , wxDouble x2, wxDouble y2, wxDouble r );
+    // ImagePattern takes ownership of CGImageRef passed in
+    ImagePattern( CGImageRef image , const CGAffineTransform& transform )
+    {
+        if ( image )
+            CFRetain( image );
+
+        Init( image , transform );
+    }
+
+    virtual void Render( CGContextRef ctxRef )
+    {
+        if (m_image != NULL)
+            HIViewDrawCGImage( ctxRef, &m_imageBounds, m_image );
+    }
+
+protected :
+    void Init( CGImageRef image, const CGAffineTransform& transform )
+    {
+        m_image = image;
+        if ( m_image )
+        {
+            m_imageBounds = CGRectMake( 0.0, 0.0, (CGFloat)CGImageGetWidth( m_image ), (CGFloat)CGImageGetHeight( m_image ) );
+            m_patternRef = CGPatternCreate(
+                this , m_imageBounds, transform ,
+                m_imageBounds.size.width, m_imageBounds.size.height,
+                kCGPatternTilingNoDistortion, true , &wxMacCoreGraphicsPattern::ms_Callbacks );
+        }
+    }
+
+    virtual ~ImagePattern()
+    {
+        if ( m_image )
+            CGImageRelease( m_image );
+    }
+
+    CGImageRef m_image;
+    CGRect m_imageBounds;
+};
+
+class HatchPattern : public wxMacCoreGraphicsPattern
+{
+public :
+    HatchPattern( int hatchstyle, const CGAffineTransform& transform )
+    {
+        m_hatch = hatchstyle;
+        m_imageBounds = CGRectMake( 0.0, 0.0, 8.0 , 8.0 );
+        m_patternRef = CGPatternCreate(
+            this , m_imageBounds, transform ,
+            m_imageBounds.size.width, m_imageBounds.size.height,
+            kCGPatternTilingNoDistortion, false , &wxMacCoreGraphicsPattern::ms_Callbacks );
+    }
+
+    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);
+        }
+    }
+
+    virtual void Render( CGContextRef ctxRef )
+    {
+        switch ( m_hatch )
+        {
+            case wxBDIAGONAL_HATCH :
+                {
+                    CGPoint pts[] =
+                    {
+                    { 8.0 , 0.0 } , { 0.0 , 8.0 }
+                    };
+                    StrokeLineSegments( ctxRef , pts , 2 );
+                }
+                break;
+
+            case wxCROSSDIAG_HATCH :
+                {
+                    CGPoint pts[] =
+                    {
+                        { 0.0 , 0.0 } , { 8.0 , 8.0 } ,
+                        { 8.0 , 0.0 } , { 0.0 , 8.0 }
+                    };
+                    StrokeLineSegments( ctxRef , pts , 4 );
+                }
+                break;
+
+            case wxFDIAGONAL_HATCH :
+                {
+                    CGPoint pts[] =
+                    {
+                    { 0.0 , 0.0 } , { 8.0 , 8.0 }
+                    };
+                    StrokeLineSegments( ctxRef , pts , 2 );
+                }
+                break;
+
+            case wxCROSS_HATCH :
+                {
+                    CGPoint pts[] =
+                    {
+                    { 0.0 , 4.0 } , { 8.0 , 4.0 } ,
+                    { 4.0 , 0.0 } , { 4.0 , 8.0 } ,
+                    };
+                    StrokeLineSegments( ctxRef , pts , 4 );
+                }
+                break;
+
+            case wxHORIZONTAL_HATCH :
+                {
+                    CGPoint pts[] =
+                    {
+                    { 0.0 , 4.0 } , { 8.0 , 4.0 } ,
+                    };
+                    StrokeLineSegments( ctxRef , pts , 2 );
+                }
+                break;
+
+            case wxVERTICAL_HATCH :
+                {
+                    CGPoint pts[] =
+                    {
+                    { 4.0 , 0.0 } , { 4.0 , 8.0 } ,
+                    };
+                    StrokeLineSegments( ctxRef , pts , 2 );
+                }
+                break;
+
+            default:
+                break;
+        }
+    }
+
+protected :
+    virtual ~HatchPattern() {}
+
+    CGRect      m_imageBounds;
+    int         m_hatch;
+};
+
+class wxMacCoreGraphicsPen : public wxGraphicsPen
+{
+public:
+    wxMacCoreGraphicsPen();
+    wxMacCoreGraphicsPen( wxGraphicsRenderer* renderer, const wxPen &pen );
+    ~wxMacCoreGraphicsPen();

     
     

-    // returns the native path
-    virtual void * GetNativePath() const { return m_path; }
+    void Init();
+    virtual void Apply( wxGraphicsContext* context );
+    virtual wxDouble GetWidth() { return m_width; }
+   
+protected :
+    CGLineCap m_cap;
+    wxMacCFRefHolder<CGColorRef> m_color;
+    wxMacCFRefHolder<CGColorSpaceRef> m_colorSpace;
+
+    CGLineJoin m_join;
+    CGFloat m_width;

     
     

-    // give the native path returned by GetNativePath() back (there might be some deallocations necessary)
-    virtual void UnGetNativePath(void *p) {}
+    int m_count;
+    const CGFloat *m_lengths;
+    CGFloat *m_userLengths;

 
 

-    DECLARE_DYNAMIC_CLASS(wxMacCoreGraphicsPath)
-    DECLARE_NO_COPY_CLASS(wxMacCoreGraphicsPath)
+
+    bool m_isPattern;
+    wxMacCFRefHolder<CGPatternRef> m_pattern;
+    CGFloat* m_patternColorComponents;

 private :
 private :

-    CGMutablePathRef m_path;
+DECLARE_DYNAMIC_CLASS_NO_COPY(wxMacCoreGraphicsPen)

 };
 
 };
 

-//-----------------------------------------------------------------------------
-// wxGraphicsPath implementation
-//-----------------------------------------------------------------------------
+IMPLEMENT_DYNAMIC_CLASS(wxMacCoreGraphicsPen,wxGraphicsPen)

 
 

-IMPLEMENT_DYNAMIC_CLASS(wxMacCoreGraphicsPath, wxGraphicsPath)
+wxMacCoreGraphicsPen::wxMacCoreGraphicsPen() : wxGraphicsPen( NULL )
+{
+    wxLogDebug(wxT("Illegal Constructor called"));
+}

 
 

-wxMacCoreGraphicsPath::wxMacCoreGraphicsPath()
+wxMacCoreGraphicsPen::wxMacCoreGraphicsPen( wxGraphicsRenderer* renderer, const wxPen &pen ) :
+    wxGraphicsPen( renderer )

 {
 {

-    m_path = CGPathCreateMutable();
+    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 ) ) ;
+
+    // TODO: * m_dc->m_scaleX
+    m_width = pen.GetWidth();
+    if (m_width <= 0.0)
+        m_width = 0.1;
+
+    switch ( pen.GetCap() )
+    {
+        case wxCAP_ROUND :
+            m_cap = kCGLineCapRound;
+            break;
+
+        case wxCAP_PROJECTING :
+            m_cap = kCGLineCapSquare;
+            break;
+
+        case wxCAP_BUTT :
+            m_cap = kCGLineCapButt;
+            break;
+
+        default :
+            m_cap = kCGLineCapButt;
+            break;
+    }
+
+    switch ( pen.GetJoin() )
+    {
+        case wxJOIN_BEVEL :
+            m_join = kCGLineJoinBevel;
+            break;
+
+        case wxJOIN_MITER :
+            m_join = kCGLineJoinMiter;
+            break;
+
+        case wxJOIN_ROUND :
+            m_join = kCGLineJoinRound;
+            break;
+
+        default :
+            m_join = kCGLineJoinMiter;
+            break;
+    }
+
+    const CGFloat dashUnit = m_width < 1.0 ? 1.0 : m_width;
+
+    const CGFloat dotted[] = { dashUnit , dashUnit + 2.0 };
+    static const CGFloat short_dashed[] = { 9.0 , 6.0 };
+    static const CGFloat dashed[] = { 19.0 , 9.0 };
+    static const CGFloat dotted_dashed[] = { 9.0 , 6.0 , 3.0 , 3.0 };
+
+    switch ( pen.GetStyle() )
+    {
+        case wxSOLID :
+            break;
+
+        case wxDOT :
+            m_count = WXSIZEOF(dotted);
+            m_userLengths = new CGFloat[ m_count ] ;
+            memcpy( m_userLengths, dotted, sizeof(dotted) );
+            m_lengths = m_userLengths;
+            break;
+
+        case wxLONG_DASH :
+            m_count = WXSIZEOF(dashed);
+            m_lengths = dashed;
+            break;
+
+        case wxSHORT_DASH :
+            m_count = WXSIZEOF(short_dashed);
+            m_lengths = short_dashed;
+            break;
+
+        case wxDOT_DASH :
+            m_count = WXSIZEOF(dotted_dashed);
+            m_lengths = dotted_dashed;
+            break;
+
+        case wxUSER_DASH :
+            wxDash *dashes;
+            m_count = pen.GetDashes( &dashes );
+            if ((dashes != NULL) && (m_count > 0))
+            {
+                m_userLengths = new CGFloat[m_count];
+                for ( int i = 0; i < m_count; ++i )
+                {
+                    m_userLengths[i] = dashes[i] * dashUnit;
+
+                    if ( i % 2 == 1 && m_userLengths[i] < dashUnit + 2.0 )
+                        m_userLengths[i] = dashUnit + 2.0;
+                    else if ( i % 2 == 0 && m_userLengths[i] < dashUnit )
+                        m_userLengths[i] = dashUnit;
+                }
+            }
+            m_lengths = m_userLengths;
+            break;
+
+        case wxSTIPPLE :
+            {
+                wxBitmap* bmp = pen.GetStipple();
+                if ( bmp && bmp->Ok() )
+                {
+                    m_colorSpace.Set( CGColorSpaceCreatePattern( NULL ) );
+                    m_pattern.Set( *( new ImagePattern( bmp , CGAffineTransformMakeTranslation( 0,0 ) ) ) );
+                    m_patternColorComponents = new CGFloat[1] ;
+                    m_patternColorComponents[0] = 1.0;
+                    m_isPattern = true;
+                }
+            }
+            break;
+
+        default :
+            {
+                m_isPattern = true;
+                m_colorSpace.Set( CGColorSpaceCreatePattern( wxMacGetGenericRGBColorSpace() ) );
+                m_pattern.Set( *( new HatchPattern( pen.GetStyle() , CGAffineTransformMakeTranslation( 0,0 ) ) ) );
+                m_patternColorComponents = new CGFloat[4] ;
+                m_patternColorComponents[0] = pen.GetColour().Red() / 255.0;
+                m_patternColorComponents[1] = pen.GetColour().Green() / 255.0;
+                m_patternColorComponents[2] = pen.GetColour().Blue() / 255.0;
+                m_patternColorComponents[3] =  pen.GetColour().Alpha() / 255.0;
+            }
+            break;
+    }
+    if ((m_lengths != NULL) && (m_count > 0))
+    {
+        // force the line cap, otherwise we get artifacts (overlaps) and just solid lines
+        m_cap = kCGLineCapButt;
+    }

 }
 
 }
 

-wxMacCoreGraphicsPath::~wxMacCoreGraphicsPath()
+wxMacCoreGraphicsPen::~wxMacCoreGraphicsPen()

 {
 {

-    CGPathRelease( m_path );
+    delete[] m_userLengths;
+    delete[] m_patternColorComponents;

 }
 
 }
 

-// opens (starts) a new subpath
-void wxMacCoreGraphicsPath::MoveToPoint( wxDouble x1 , wxDouble y1 )
+void wxMacCoreGraphicsPen::Init()

 {
 {

-    CGPathMoveToPoint( m_path , NULL , x1 , y1 );
+    m_lengths = NULL;
+    m_userLengths = NULL;
+    m_width = NULL;
+    m_count = 0;
+    m_patternColorComponents = NULL;
+    m_isPattern = false;

 }
 
 }
 

-void wxMacCoreGraphicsPath::AddLineToPoint( wxDouble x1 , wxDouble y1 )
+void wxMacCoreGraphicsPen::Apply( wxGraphicsContext* context )

 {
 {

-    CGPathAddLineToPoint( m_path , NULL , x1 , y1 );
+    CGContextRef cg = (CGContextRef) context->GetNativeContext();
+    CGContextSetLineWidth( cg , m_width );
+    CGContextSetLineJoin( cg , m_join );
+
+    CGContextSetLineDash( cg , 0 , m_lengths , m_count );
+    CGContextSetLineCap( cg , m_cap );
+
+    if ( m_isPattern )
+    {
+        CGContextSetStrokeColorSpace( cg , m_colorSpace );
+        CGContextSetStrokePattern( cg, m_pattern , m_patternColorComponents );
+    }
+    else
+    {
+        CGContextSetStrokeColorWithColor( cg , m_color );
+    }

 }
 
 }
 

-void wxMacCoreGraphicsPath::AddCurveToPoint( wxDouble cx1, wxDouble cy1, wxDouble cx2, wxDouble cy2, wxDouble x, wxDouble y )
+//
+// Brush
+//
+
+class wxMacCoreGraphicsBrush : public wxGraphicsBrush

 {
 {

-    CGPathAddCurveToPoint( m_path , NULL , cx1 , cy1 , cx2, cy2, x , y );
+public:
+    wxMacCoreGraphicsBrush();
+    wxMacCoreGraphicsBrush( wxGraphicsRenderer* renderer );
+    wxMacCoreGraphicsBrush( wxGraphicsRenderer* renderer, const wxBrush &brush );
+    ~wxMacCoreGraphicsBrush ();
+    
+    virtual void Apply( wxGraphicsContext* context );
+    void CreateLinearGradientBrush( wxDouble x1, wxDouble y1, wxDouble x2, wxDouble y2, 
+        const wxColour&c1, const wxColour&c2 );
+    void CreateRadialGradientBrush( wxDouble xo, wxDouble yo, wxDouble xc, wxDouble yc, wxDouble radius,
+    const wxColour &oColor, const wxColour &cColor );
+        
+    virtual bool IsShading() { return m_isShading; }
+    CGShadingRef GetShading() { return m_shading; }
+protected:
+    CGFunctionRef CreateGradientFunction( const wxColour& c1, const wxColour& c2 );
+    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;
+    
+    bool m_isShading;
+    CGFunctionRef m_gradientFunction;
+    CGShadingRef m_shading;
+    CGFloat *m_gradientComponents;
+private :
+DECLARE_DYNAMIC_CLASS_NO_COPY(wxMacCoreGraphicsBrush)
+};
+
+IMPLEMENT_DYNAMIC_CLASS(wxMacCoreGraphicsBrush,wxGraphicsBrush)
+
+wxMacCoreGraphicsBrush::wxMacCoreGraphicsBrush() : wxGraphicsBrush( NULL )
+{
+    wxLogDebug(wxT("Illegal Constructor called"));

 }
 
 }
 

-void wxMacCoreGraphicsPath::AddQuadCurveToPoint( wxDouble cx1, wxDouble cy1, wxDouble x, wxDouble y )
+wxMacCoreGraphicsBrush::wxMacCoreGraphicsBrush( wxGraphicsRenderer* renderer) : wxGraphicsBrush( renderer )

 {
 {

-    CGPathAddQuadCurveToPoint( m_path , NULL , cx1 , cy1 , x , y );
+    Init();

 }
 
 }
 

-void wxMacCoreGraphicsPath::AddRectangle( wxDouble x, wxDouble y, wxDouble w, wxDouble h )
+void wxMacCoreGraphicsBrush::CreateLinearGradientBrush( wxDouble x1, wxDouble y1, wxDouble x2, wxDouble y2, 
+        const wxColour&c1, const wxColour&c2 )

 {
 {

-    CGRect cgRect = { { x , y } , { w , h } };
-    CGPathAddRect( m_path , NULL , cgRect );
+    m_gradientFunction = CreateGradientFunction( c1, c2 );
+    m_shading = CGShadingCreateAxial( wxMacGetGenericRGBColorSpace(), CGPointMake(x1,y1), CGPointMake(x2,y2), m_gradientFunction, true, true ) ;
+    m_isShading = true ;
+}
+        
+void wxMacCoreGraphicsBrush::CreateRadialGradientBrush( wxDouble xo, wxDouble yo, wxDouble xc, wxDouble yc, wxDouble radius,
+    const wxColour &oColor, const wxColour &cColor )
+{
+    m_gradientFunction = CreateGradientFunction( oColor, cColor );
+    m_shading = CGShadingCreateRadial( wxMacGetGenericRGBColorSpace(), CGPointMake(xo,yo), 0, CGPointMake(xc,yc), radius, m_gradientFunction, true, true ) ;
+    m_isShading = true ;
+}
+                
+wxMacCoreGraphicsBrush::wxMacCoreGraphicsBrush(wxGraphicsRenderer* renderer, const wxBrush &brush) : wxGraphicsBrush( renderer )
+{
+    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 ) ) ) );
+        }
+    }

 }
 
 }
 

-void wxMacCoreGraphicsPath::AddCircle( wxDouble x, wxDouble y , wxDouble r )
+wxMacCoreGraphicsBrush::~wxMacCoreGraphicsBrush()

 {
 {

-    CGPathAddArc( m_path , NULL , x , y , r , 0.0 , 2 * M_PI , true );
+    if ( m_shading )
+        CGShadingRelease(m_shading);
+        
+    if( m_gradientFunction )
+        CGFunctionRelease(m_gradientFunction);
+        
+    delete[] m_gradientComponents;
+    delete[] m_patternColorComponents;

 }
 
 }
 

-// adds an arc of a circle centering at (x,y) with radius (r) from startAngle to endAngle
-void wxMacCoreGraphicsPath::AddArc( wxDouble x, wxDouble y, wxDouble r, wxDouble startAngle, wxDouble endAngle, bool clockwise )
+void wxMacCoreGraphicsBrush::Init()

 {
 {

-    // inverse direction as we the 'normal' state is a y axis pointing down, ie mirrored to the standard core graphics setup
-    CGPathAddArc( m_path, NULL , x, y, r, startAngle, endAngle, !clockwise); 
+    m_patternColorComponents = NULL;
+    m_gradientFunction = NULL;
+    m_shading = NULL;
+    m_isPattern = false;
+    m_gradientComponents = NULL;
+    m_isShading = false;

 }
 
 }
 

-void wxMacCoreGraphicsPath::AddArcToPoint( wxDouble x1, wxDouble y1 , wxDouble x2, wxDouble y2, wxDouble r )
+void wxMacCoreGraphicsBrush::Apply( wxGraphicsContext* context )

 {
 {

-    CGPathAddArcToPoint( m_path, NULL , x1, y1, x2, y2, r); 
+    CGContextRef cg = (CGContextRef) context->GetNativeContext();
+    
+    if ( m_isShading )
+    {   
+    }
+    else
+    {
+        if ( m_isPattern )
+        {
+            CGContextSetFillColorSpace( cg , m_colorSpace );
+            CGContextSetFillPattern( cg, m_pattern , m_patternColorComponents );
+        }
+        else
+        {
+            CGContextSetFillColorWithColor( cg, m_color );
+        }
+    }

 }
 
 }
 

-// closes the current subpath
-void wxMacCoreGraphicsPath::CloseSubpath()
+void wxMacCoreGraphicsBrush::CalculateShadingValues (void *info, const CGFloat *in, CGFloat *out)

 {
 {

-    CGPathCloseSubpath( m_path );
+    CGFloat* colors = (CGFloat*) info ;
+    CGFloat f = *in;
+    for( int i = 0 ; i < 4 ; ++i )
+    {
+        out[i] = colors[i] + ( colors[4+i] - colors[i] ) * f;
+    }

 }
 
 }
 

-// gets the last point of the current path, (0,0) if not yet set
-void wxMacCoreGraphicsPath::GetCurrentPoint( wxDouble& x, wxDouble&y)
+CGFunctionRef wxMacCoreGraphicsBrush::CreateGradientFunction( const wxColour& c1, const wxColour& c2 )

 {
 {

-    CGPoint p = CGPathGetCurrentPoint( m_path );
-    x = p.x;
-    y = p.y;
+    static const CGFunctionCallbacks callbacks = { 0, &CalculateShadingValues, NULL };
+    static const CGFloat input_value_range [2] = { 0, 1 };
+    static const CGFloat output_value_ranges [8] = { 0, 1, 0, 1, 0, 1, 0, 1 };
+    m_gradientComponents = new CGFloat[8] ;
+    m_gradientComponents[0] = c1.Red() / 255.0;
+    m_gradientComponents[1] = c1.Green() / 255.0;
+    m_gradientComponents[2] = c1.Blue() / 255.0;
+    m_gradientComponents[3] = c1.Alpha() / 255.0;
+    m_gradientComponents[4] = c2.Red() / 255.0;
+    m_gradientComponents[5] = c2.Green() / 255.0;
+    m_gradientComponents[6] = c2.Blue() / 255.0;
+    m_gradientComponents[7] = c2.Alpha() / 255.0;
+
+    return CGFunctionCreate ( m_gradientComponents,  1, 
+                            input_value_range, 
+                            4, 
+                            output_value_ranges,
+                            &callbacks);  

 }
 
 //
 }
 
 //

-// Graphics Context
+// Font

 //
 
 //
 

-class WXDLLEXPORT wxMacCoreGraphicsContext : public wxGraphicsContext
+class wxMacCoreGraphicsFont : public wxGraphicsFont

 {
 public:
 {
 public:

-    wxMacCoreGraphicsContext( CGContextRef cgcontext );
-    
-    wxMacCoreGraphicsContext( WindowRef window );
+    wxMacCoreGraphicsFont();
+    wxMacCoreGraphicsFont( wxGraphicsRenderer* renderer, const wxFont &font, const wxColour& col );
+    ~wxMacCoreGraphicsFont();

     
     

-    wxMacCoreGraphicsContext( wxWindow* window );
-    
-    wxMacCoreGraphicsContext();
-    
-    ~wxMacCoreGraphicsContext();
-
-    void Init();
-
-    // creates a path instance that corresponds to the type of graphics context, ie GDIPlus, cairo, CoreGraphics ...
-    virtual wxGraphicsPath * CreatePath();
-
-    // push the current state of the context, ie the transformation matrix on a stack
-    virtual void PushState();
-
-    // pops a stored state from the stack
-    virtual void PopState();
+    virtual void Apply( wxGraphicsContext* context );
+    virtual ATSUStyle GetATSUStyle() { return m_macATSUIStyle; }
+private :
+    ATSUStyle m_macATSUIStyle;
+DECLARE_DYNAMIC_CLASS_NO_COPY(wxMacCoreGraphicsFont)
+};

 
 

-    // clips drawings to the region
-    virtual void Clip( const wxRegion &region );
+IMPLEMENT_DYNAMIC_CLASS(wxMacCoreGraphicsFont,wxGraphicsFont)

 
 

-    // clips drawings to the rect
-    virtual void Clip( wxDouble x, wxDouble y, wxDouble w, wxDouble h );
-    
-    // resets the clipping to original extent
-    virtual void ResetClip();
+wxMacCoreGraphicsFont::wxMacCoreGraphicsFont() : wxGraphicsFont( NULL )
+{
+    wxLogDebug(wxT("Illegal Constructor called"));
+}

 
 

-    virtual void * GetNativeContext();
-    
-    //
-    // transformation
-    //
+wxMacCoreGraphicsFont::wxMacCoreGraphicsFont(wxGraphicsRenderer* renderer, const wxFont &font, const wxColour& col) : wxGraphicsFont( renderer )
+{
+    m_macATSUIStyle = NULL;

     
     

-    // translate
-    virtual void Translate( wxDouble dx , wxDouble dy );
+    OSStatus status;

 
 

-    // scale
-    virtual void Scale( wxDouble xScale , wxDouble yScale );
+    status = ATSUCreateAndCopyStyle( (ATSUStyle) font.MacGetATSUStyle() , &m_macATSUIStyle );

 
 

-    // rotate (radians)
-    virtual void Rotate( wxDouble angle );
+    wxASSERT_MSG( status == noErr, wxT("couldn't create ATSU style") );

 
 

-    //
-    // setting the paint
-    //
-    
-    // sets the pan
-    virtual void SetPen( const wxPen &pen );
+    // we need the scale here ...

 
 

-    // sets the brush for filling
-    virtual void SetBrush( const wxBrush &brush );
+    Fixed atsuSize = IntToFixed( int( 1 * font.MacGetFontSize()) );
+    RGBColor atsuColor = MAC_WXCOLORREF( col.GetPixel() );
+    ATSUAttributeTag atsuTags[] =
+    {
+            kATSUSizeTag ,
+            kATSUColorTag ,
+    };
+    ByteCount atsuSizes[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] =
+    {
+            sizeof( Fixed ) ,
+            sizeof( RGBColor ) ,
+    };
+    ATSUAttributeValuePtr atsuValues[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] =
+    {
+            &atsuSize ,
+            &atsuColor ,
+    };

 
 

-    // sets the brush to a linear gradient, starting at (x1,y1) with color c1 to (x2,y2) with color c2
-    virtual void SetLinearGradientBrush( wxDouble x1, wxDouble y1, wxDouble x2, wxDouble y2, 
-        const wxColour&c1, const wxColour&c2);
+    status = ::ATSUSetAttributes(
+        m_macATSUIStyle, sizeof(atsuTags) / sizeof(ATSUAttributeTag) ,
+        atsuTags, atsuSizes, atsuValues);

 
 

-    // sets the brush to a radial gradient originating at (xo,yc) with color oColor and ends on a circle around (xc,yc) 
-    // with radius r and color cColor
-    virtual void SetRadialGradientBrush( wxDouble xo, wxDouble yo, wxDouble xc, wxDouble yc, wxDouble radius,
-        const wxColour &oColor, const wxColour &cColor);
+    wxASSERT_MSG( status == noErr , wxT("couldn't modify ATSU style") );
+}

 
 

-    // sets the font
-    virtual void SetFont( const wxFont &font );
-    
-    // sets the text color
-    virtual void SetTextColour( const wxColour &col );
+wxMacCoreGraphicsFont::~wxMacCoreGraphicsFont()
+{
+    if ( m_macATSUIStyle )
+    {
+        ::ATSUDisposeStyle((ATSUStyle)m_macATSUIStyle);
+        m_macATSUIStyle = NULL;
+    }
+}

 
 

-    // strokes along a path with the current pen
-    virtual void StrokePath( const wxGraphicsPath *path );
+void wxMacCoreGraphicsFont::Apply( wxGraphicsContext* WXUNUSED(context) )
+{
+    // nothing to do here
+}

 
 

-    // fills a path with the current brush
-    virtual void FillPath( const wxGraphicsPath *path, int fillStyle = wxWINDING_RULE );
+//
+// Graphics Matrix
+//

 
 

-    // draws a path by first filling and then stroking
-    virtual void DrawPath( const wxGraphicsPath *path, int fillStyle = wxWINDING_RULE );
+//-----------------------------------------------------------------------------
+// wxMacCoreGraphicsMatrix declaration
+//-----------------------------------------------------------------------------

 
 

+class WXDLLIMPEXP_CORE wxMacCoreGraphicsMatrix : public wxGraphicsMatrix
+{
+public :
+    wxMacCoreGraphicsMatrix() ;
+    
+       wxMacCoreGraphicsMatrix(wxGraphicsRenderer* renderer, 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 ~wxMacCoreGraphicsMatrix() ;
+       
+    virtual wxGraphicsMatrix *Clone() const ;
+
+       // concatenates the matrix
+       virtual void Concat( const wxGraphicsMatrix *t );
+       
+       // copies the passed in matrix
+       virtual void Copy( const wxGraphicsMatrix *t );
+
+       // sets the matrix to the respective values
+       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);
+
+       // makes this the inverse matrix
+       virtual void Invert();
+       
+       // returns true if the elements of the transformation matrix are equal ?
+    virtual bool IsEqual( const wxGraphicsMatrix* t) const ;
+       
+       // return true if this is the identity matrix
+       virtual bool IsIdentity();
+       

     //
     //

-    // text
+    // transformation

     //
     
     //
     

-    virtual void DrawText( const wxString &str, wxDouble x, wxDouble y );
-
-    virtual void DrawText( const wxString &str, wxDouble x, wxDouble y, wxDouble angle );
-
-    virtual void GetTextExtent( const wxString &text, wxDouble *width, wxDouble *height,
-        wxDouble *descent, wxDouble *externalLeading ) const;
+    // add the translation to this matrix
+    virtual void Translate( wxDouble dx , wxDouble dy );

 
 

-    virtual void GetPartialTextExtents(const wxString& text, wxArrayDouble& widths) const;
+    // add the scale to this matrix
+    virtual void Scale( wxDouble xScale , wxDouble yScale );

 
 

+    // add the rotation to this matrix (radians)
+    virtual void Rotate( wxDouble angle );     
+       

     //
     //

-    // image support
+    // apply the transforms

     //
     //

-
-    virtual void DrawBitmap( const wxBitmap &bmp, wxDouble x, wxDouble y, wxDouble w, wxDouble h );
-
-    virtual void DrawIcon( const wxIcon &icon, wxDouble x, wxDouble y, wxDouble w, wxDouble h );
-
-    void SetNativeContext( CGContextRef cg );
-    CGPathDrawingMode GetDrawingMode() const { return m_mode; }
-
-
-    virtual bool ShouldOffset() const
-    {
-        int penwidth = m_pen.GetWidth();
-        if ( penwidth == 0 )
-            penwidth = 1;
-        if ( m_pen.GetStyle() == wxTRANSPARENT )
-            penwidth = 0;
-        return ( penwidth % 2 ) == 1; 
-    }
-        
+       
+       // applies that matrix to the point
+       virtual void TransformPoint( wxDouble *x, wxDouble *y );
+       
+       // applies the matrix except for translations
+       virtual void TransformDistance( wxDouble *dx, wxDouble *dy );
+       
+       // returns the native representation
+       virtual void * GetNativeMatrix() const;
+       
+private :
+    CGAffineTransform m_matrix;

     
     

-    DECLARE_NO_COPY_CLASS(wxMacCoreGraphicsContext)
-    DECLARE_DYNAMIC_CLASS(wxMacCoreGraphicsContext)
-
-private:
-    void EnsureIsValid();
-
-    CGContextRef m_cgContext;
-    WindowRef m_windowRef;
-    int m_originX;
-    int m_originY;
-    wxMacCFRefHolder<HIShapeRef> m_clipRgn;
-    bool m_releaseContext;
-    CGPathDrawingMode m_mode;
-    ATSUStyle m_macATSUIStyle;
-    wxPen m_pen;
-    wxBrush m_brush;
-    wxFont m_font;
-    wxColor m_textForegroundColor;
-};
+    DECLARE_DYNAMIC_CLASS_NO_COPY(wxMacCoreGraphicsMatrix)
+} ;

 
 //-----------------------------------------------------------------------------
 
 //-----------------------------------------------------------------------------

-// device context implementation
-//
-// more and more of the dc functionality should be implemented by calling
-// the appropricate wxMacCoreGraphicsContext, but we will have to do that step by step
-// also coordinate conversions should be moved to native matrix ops
+// wxMacCoreGraphicsMatrix implementation

 //-----------------------------------------------------------------------------
 
 //-----------------------------------------------------------------------------
 

-// we always stock two context states, one at entry, to be able to preserve the
-// state we were called with, the other one after changing to HI Graphics orientation
-// (this one is used for getting back clippings etc)
+IMPLEMENT_DYNAMIC_CLASS(wxMacCoreGraphicsMatrix, wxGraphicsMatrix)

 
 

-//-----------------------------------------------------------------------------
-// wxGraphicsContext implementation
-//-----------------------------------------------------------------------------
+wxMacCoreGraphicsMatrix::wxMacCoreGraphicsMatrix() : wxGraphicsMatrix(NULL)
+{
+    wxLogDebug(wxT("Illegal Constructor called"));
+}

 
 

-IMPLEMENT_DYNAMIC_CLASS(wxMacCoreGraphicsContext, wxGraphicsContext)
+wxMacCoreGraphicsMatrix::wxMacCoreGraphicsMatrix(wxGraphicsRenderer* renderer, wxDouble a, wxDouble b, wxDouble c, wxDouble d, 
+    wxDouble tx, wxDouble ty) : wxGraphicsMatrix(renderer)
+{
+    m_matrix = CGAffineTransformMake(a,b,c,d,tx,ty);
+}

 
 

-void wxMacCoreGraphicsContext::Init()
+wxMacCoreGraphicsMatrix::~wxMacCoreGraphicsMatrix() 

 {
 {

-    m_cgContext = NULL;
-    m_mode = kCGPathFill;
-    m_macATSUIStyle = NULL;
-    m_releaseContext = false;
-    HIRect r = CGRectMake(0,0,0,0);
-    m_clipRgn.Set(HIShapeCreateWithRect(&r));

 }
 
 }
 

-wxMacCoreGraphicsContext::wxMacCoreGraphicsContext( CGContextRef cgcontext )
+wxGraphicsMatrix *wxMacCoreGraphicsMatrix::Clone() const 

 {
 {

-       Init();
-       m_cgContext = cgcontext;
-    // FIXME: This check is needed because currently we need to use a DC/GraphicsContext
-    // in order to get font properties, like wxFont::GetPixelSize, but since we don't have 
-    // a native window attached to use, I create a wxGraphicsContext with a NULL CGContextRef
-    // for this one operation.
-    
-    // When wxFont::GetPixelSize on Mac no longer needs a graphics context, this check
-    // can be removed. 
-    if (m_cgContext)
-    {
-        CGContextSaveGState( m_cgContext );
-        CGContextSaveGState( m_cgContext );
-    }
+    wxMacCoreGraphicsMatrix* m = new wxMacCoreGraphicsMatrix(GetRenderer()) ;
+    m->m_matrix = m_matrix ;
+    return m;
+}
+
+// concatenates the matrix
+void wxMacCoreGraphicsMatrix::Concat( const wxGraphicsMatrix *t ) 
+{
+    m_matrix = CGAffineTransformConcat(m_matrix, *((CGAffineTransform*) t->GetNativeMatrix()) );
+}
+
+// copies the passed in matrix
+void wxMacCoreGraphicsMatrix::Copy( const wxGraphicsMatrix *t ) 
+{
+    m_matrix = *((CGAffineTransform*) t->GetNativeMatrix());
+}
+
+// sets the matrix to the respective values
+void wxMacCoreGraphicsMatrix::Set(wxDouble a, wxDouble b, wxDouble c, wxDouble d, 
+    wxDouble tx, wxDouble ty) 
+{
+    m_matrix = CGAffineTransformMake(a,b,c,d,tx,ty);

 }
 
 }
 

-wxMacCoreGraphicsContext::wxMacCoreGraphicsContext( WindowRef window )
+// makes this the inverse matrix
+void wxMacCoreGraphicsMatrix::Invert() 

 {
 {

-    Init();
-    m_windowRef = window;
+    m_matrix = CGAffineTransformInvert( m_matrix );

 }
 
 }
 

-wxMacCoreGraphicsContext::wxMacCoreGraphicsContext( wxWindow* window )
+// returns true if the elements of the transformation matrix are equal ?
+bool wxMacCoreGraphicsMatrix::IsEqual( const wxGraphicsMatrix* t) const  

 {
 {

-    Init();
-    m_windowRef = (WindowRef) window->MacGetTopLevelWindowRef();
-    m_originX = m_originY = 0;
-    window->MacWindowToRootWindow( &m_originX , &m_originY );
+    return CGAffineTransformEqualToTransform(m_matrix, *((CGAffineTransform*) t->GetNativeMatrix()));

 }
 
 }
 

-wxMacCoreGraphicsContext::wxMacCoreGraphicsContext()
+// return true if this is the identity matrix
+bool wxMacCoreGraphicsMatrix::IsIdentity() 

 {
 {

-    Init();
+    return CGAffineTransformIsIdentity(m_matrix);

 }
 
 }
 

-wxMacCoreGraphicsContext::~wxMacCoreGraphicsContext()
+//
+// transformation
+//
+
+// add the translation to this matrix
+void wxMacCoreGraphicsMatrix::Translate( wxDouble dx , wxDouble dy ) 

 {
 {

-    if ( m_cgContext )
-    {
-        // TODO : when is this necessary - should we add a Flush() method ? CGContextSynchronize( m_cgContext );
-        CGContextRestoreGState( m_cgContext );
-        CGContextRestoreGState( m_cgContext );
-    }
+    m_matrix = CGAffineTransformTranslate( m_matrix, dx, dy);
+}

 
 

-    if ( m_releaseContext )
-        QDEndCGContext( GetWindowPort( m_windowRef ) , &m_cgContext);
+// add the scale to this matrix
+void wxMacCoreGraphicsMatrix::Scale( wxDouble xScale , wxDouble yScale ) 
+{
+    m_matrix = CGAffineTransformScale( m_matrix, xScale, yScale);

 }
 
 }
 

-void wxMacCoreGraphicsContext::EnsureIsValid()
+// add the rotation to this matrix (radians)
+void wxMacCoreGraphicsMatrix::Rotate( wxDouble angle ) 

 {
 {

-    if ( !m_cgContext )
-    {
-        OSStatus status = QDBeginCGContext( GetWindowPort( m_windowRef ) , &m_cgContext );
-        wxASSERT_MSG( status == noErr , wxT("Cannot nest wxDCs on the same window") );
-        Rect bounds;
-        GetWindowBounds( m_windowRef, kWindowContentRgn, &bounds );
-        CGContextSaveGState( m_cgContext );
-        CGContextTranslateCTM( m_cgContext , 0 , bounds.bottom - bounds.top );
-        CGContextScaleCTM( m_cgContext , 1 , -1 );
-        CGContextTranslateCTM( m_cgContext, m_originX, m_originY );
-        CGContextSaveGState( m_cgContext );
-        m_releaseContext = true;
-        if ( !HIShapeIsEmpty(m_clipRgn) )
-        {
-            HIShapeReplacePathInCGContext( m_clipRgn, m_cgContext );
-            CGContextClip( m_cgContext );
-        }
-    }
+    m_matrix = CGAffineTransformRotate( m_matrix, angle);

 }
 
 }
 

+//
+// apply the transforms
+//

 
 

-void wxMacCoreGraphicsContext::Clip( const wxRegion &region )
+// applies that matrix to the point
+void wxMacCoreGraphicsMatrix::TransformPoint( wxDouble *x, wxDouble *y ) 

 {
 {

-    if( m_cgContext )
-    {
-        HIShapeRef shape = HIShapeCreateWithQDRgn( (RgnHandle) region.GetWXHRGN() );
-        HIShapeReplacePathInCGContext( shape, m_cgContext );
-        CGContextClip( m_cgContext );
-        CFRelease( shape );
-    }
-    else
-    {
-        m_clipRgn.Set(HIShapeCreateWithQDRgn( (RgnHandle) region.GetWXHRGN() ));
-    }
+    wxDouble x1, y1 ;
+    
+    x1 = m_matrix.a * (*x) + m_matrix.c * (*y) + m_matrix.tx ;
+    y1 = m_matrix.b * (*x) + m_matrix.d * (*y) + m_matrix.ty ;
+    
+    *x = x1;
+    *y = y1;

 }
 
 }
 

-// clips drawings to the rect
-void wxMacCoreGraphicsContext::Clip( wxDouble x, wxDouble y, wxDouble w, wxDouble h )
+// applies the matrix except for translations
+void wxMacCoreGraphicsMatrix::TransformDistance( wxDouble *dx, wxDouble *dy ) 

 {
 {

-    HIRect r = CGRectMake( x , y , w , h );
-    if ( m_cgContext )
-    {
-        CGContextClipToRect( m_cgContext, r );
-    }
-    else
-    {
-        m_clipRgn.Set(HIShapeCreateWithRect(&r));
-    }
-}
+    wxDouble x1, y1 ;

     
     

-    // resets the clipping to original extent
-void wxMacCoreGraphicsContext::ResetClip()
+    x1 = m_matrix.a * (*dx) + m_matrix.c * (*dy);
+    y1 = m_matrix.b * (*dx) + m_matrix.d * (*dy);
+    
+    *dx = x1;
+    *dy = y1;
+}
+
+// returns the native representation
+void * wxMacCoreGraphicsMatrix::GetNativeMatrix() const 

 {
 {

-    if ( m_cgContext )
-    {
-        CGContextRestoreGState( m_cgContext );
-        CGContextSaveGState( m_cgContext );
-    }
-    else
-    {
-        HIRect r = CGRectMake(0,0,0,0);
-        m_clipRgn.Set(HIShapeCreateWithRect(&r));
-    }
+    return (void*) &m_matrix;

 }
 
 }
 

-void wxMacCoreGraphicsContext::StrokePath( const wxGraphicsPath *path )
+//
+// Graphics Path
+//
+
+//-----------------------------------------------------------------------------
+// wxMacCoreGraphicsPath declaration
+//-----------------------------------------------------------------------------
+
+class WXDLLEXPORT wxMacCoreGraphicsPath : public wxGraphicsPath

 {
 {

-    EnsureIsValid();
-       
-    bool offset = ShouldOffset();
+public :
+    wxMacCoreGraphicsPath( wxGraphicsRenderer* renderer, CGMutablePathRef path = NULL);
+    
+    wxMacCoreGraphicsPath();
+    
+    ~wxMacCoreGraphicsPath();

 
 

-    if ( offset )
-        CGContextTranslateCTM( m_cgContext, 0.5, 0.5 );
+    virtual wxGraphicsPath *Clone() const;

 
 

-    CGContextAddPath( m_cgContext , (CGPathRef) path->GetNativePath() );
-    CGContextStrokePath( m_cgContext );
+    // begins a new subpath at (x,y)
+    virtual void MoveToPoint( wxDouble x, wxDouble y );

 
 

-    if ( offset )
-        CGContextTranslateCTM( m_cgContext, -0.5, -0.5 );
+    // adds a straight line from the current point to (x,y) 
+    virtual void AddLineToPoint( wxDouble x, wxDouble y );
+
+    // adds a cubic Bezier curve from the current point, using two control points and an end point
+    virtual void AddCurveToPoint( wxDouble cx1, wxDouble cy1, wxDouble cx2, wxDouble cy2, wxDouble x, wxDouble y );
+
+    // closes the current sub-path
+    virtual void CloseSubpath();
+
+    // gets the last point of the current path, (0,0) if not yet set
+    virtual void GetCurrentPoint( wxDouble& x, wxDouble&y);
+
+    // adds an arc of a circle centering at (x,y) with radius (r) from startAngle to endAngle
+    virtual void AddArc( wxDouble x, wxDouble y, wxDouble r, wxDouble startAngle, wxDouble endAngle, bool clockwise );
+
+    //
+    // These are convenience functions which - if not available natively will be assembled 
+    // using the primitives from above
+    //
+
+    // adds a quadratic Bezier curve from the current point, using a control point and an end point
+    virtual void AddQuadCurveToPoint( wxDouble cx, wxDouble cy, wxDouble x, wxDouble y );
+
+    // appends a rectangle as a new closed subpath 
+    virtual void AddRectangle( wxDouble x, wxDouble y, wxDouble w, wxDouble h );
+
+    // appends an ellipsis as a new closed subpath fitting the passed rectangle
+    virtual void AddCircle( wxDouble x, wxDouble y, wxDouble r );
+
+    // draws a an arc to two tangents connecting (current) to (x1,y1) and (x1,y1) to (x2,y2), also a straight line from (current) to (x1,y1)
+    virtual void AddArcToPoint( wxDouble x1, wxDouble y1 , wxDouble x2, wxDouble y2, wxDouble r );
+
+       // adds another path
+       virtual void AddPath( const wxGraphicsPath* path );
+
+       // returns the native path
+       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) {}
+
+       // transforms each point of this path by the matrix
+       virtual void Transform( wxGraphicsMatrix* matrix );
+       
+       // gets the bounding box enclosing all points (possibly including control points)
+       virtual void GetBox(wxDouble *x, wxDouble *y, wxDouble *w, wxDouble *y);
+       
+       virtual bool Contains( wxDouble x, wxDouble y, int fillStyle = wxWINDING_RULE);
+    DECLARE_DYNAMIC_CLASS_NO_COPY(wxMacCoreGraphicsPath)
+private :
+    CGMutablePathRef m_path;
+};
+
+//-----------------------------------------------------------------------------
+// wxMacCoreGraphicsPath implementation
+//-----------------------------------------------------------------------------
+
+IMPLEMENT_DYNAMIC_CLASS(wxMacCoreGraphicsPath, wxGraphicsPath)
+
+wxMacCoreGraphicsPath::wxMacCoreGraphicsPath() :  wxGraphicsPath(NULL)
+{
+    wxLogDebug(wxT("Illegal Constructor called"));
+}    
+
+
+wxMacCoreGraphicsPath::wxMacCoreGraphicsPath( wxGraphicsRenderer* renderer, CGMutablePathRef path) : wxGraphicsPath(renderer)
+{
+       if ( path )
+               m_path = path;
+       else
+               m_path = CGPathCreateMutable();

 }
 
 }
 

-void wxMacCoreGraphicsContext::DrawPath( const wxGraphicsPath *path , int fillStyle )
+wxMacCoreGraphicsPath::~wxMacCoreGraphicsPath()

 {
 {

-    EnsureIsValid();
-    
-    CGPathDrawingMode mode = m_mode;
+    CGPathRelease( m_path );
+}

 
 

-    if ( fillStyle == wxODDEVEN_RULE )
-    {
-        if ( mode == kCGPathFill )
-            mode = kCGPathEOFill;
-        else if ( mode == kCGPathFillStroke )
-            mode = kCGPathEOFillStroke;
-    }
-       
-    bool offset = ShouldOffset();
+wxGraphicsPath* wxMacCoreGraphicsPath::Clone() const 
+{
+       wxMacCoreGraphicsPath* clone = new wxMacCoreGraphicsPath(GetRenderer(),CGPathCreateMutableCopy(m_path));
+       return clone ;
+}

 
 

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

 
 

-    CGContextAddPath( m_cgContext , (CGPathRef) path->GetNativePath() );
-    CGContextDrawPath( m_cgContext , mode );
+// opens (starts) a new subpath
+void wxMacCoreGraphicsPath::MoveToPoint( wxDouble x1 , wxDouble y1 )
+{
+    CGPathMoveToPoint( m_path , NULL , x1 , y1 );
+}

 
 

-    if ( offset )
-        CGContextTranslateCTM( m_cgContext, -0.5, -0.5 );
+void wxMacCoreGraphicsPath::AddLineToPoint( wxDouble x1 , wxDouble y1 )
+{
+    CGPathAddLineToPoint( m_path , NULL , x1 , y1 );

 }
 
 }
 

-void wxMacCoreGraphicsContext::FillPath( const wxGraphicsPath *path , int fillStyle )
+void wxMacCoreGraphicsPath::AddCurveToPoint( wxDouble cx1, wxDouble cy1, wxDouble cx2, wxDouble cy2, wxDouble x, wxDouble y )

 {
 {

-    EnsureIsValid();
-    
-    CGContextAddPath( m_cgContext , (CGPathRef) path->GetNativePath() );
-    if ( fillStyle == wxODDEVEN_RULE )
-        CGContextEOFillPath( m_cgContext );
-    else
-        CGContextFillPath( m_cgContext );
+    CGPathAddCurveToPoint( m_path , NULL , cx1 , cy1 , cx2, cy2, x , y );

 }
 
 }
 

-wxGraphicsPath* wxMacCoreGraphicsContext::CreatePath()
+void wxMacCoreGraphicsPath::AddQuadCurveToPoint( wxDouble cx1, wxDouble cy1, wxDouble x, wxDouble y )

 {
 {

-    return new wxMacCoreGraphicsPath();
+    CGPathAddQuadCurveToPoint( m_path , NULL , cx1 , cy1 , x , y );

 }
 
 }
 

-void wxMacCoreGraphicsContext::SetNativeContext( CGContextRef cg )
+void wxMacCoreGraphicsPath::AddRectangle( wxDouble x, wxDouble y, wxDouble w, wxDouble h )

 {
 {

-    // we allow either setting or clearing but not replacing
-    wxASSERT( m_cgContext == NULL || cg == NULL );
+    CGRect cgRect = { { x , y } , { w , h } };
+    CGPathAddRect( m_path , NULL , cgRect );
+}

 
 

-    if ( cg )
-        CGContextSaveGState( cg );
-    m_cgContext = cg;
+void wxMacCoreGraphicsPath::AddCircle( wxDouble x, wxDouble y , wxDouble r )
+{
+    CGPathAddArc( m_path , NULL , x , y , r , 0.0 , 2 * M_PI , true );

 }
 
 }
 

-void wxMacCoreGraphicsContext::Translate( wxDouble dx , wxDouble dy ) 
+// adds an arc of a circle centering at (x,y) with radius (r) from startAngle to endAngle
+void wxMacCoreGraphicsPath::AddArc( wxDouble x, wxDouble y, wxDouble r, wxDouble startAngle, wxDouble endAngle, bool clockwise )

 {
 {

-    EnsureIsValid();
-    
-    CGContextTranslateCTM( m_cgContext, dx, dy );
+    // inverse direction as we the 'normal' state is a y axis pointing down, ie mirrored to the standard core graphics setup
+    CGPathAddArc( m_path, NULL , x, y, r, startAngle, endAngle, !clockwise); 

 }
 
 }
 

-void wxMacCoreGraphicsContext::Scale( wxDouble xScale , wxDouble yScale )
+void wxMacCoreGraphicsPath::AddArcToPoint( wxDouble x1, wxDouble y1 , wxDouble x2, wxDouble y2, wxDouble r )

 {
 {

-    EnsureIsValid();
-    
-    CGContextScaleCTM( m_cgContext , xScale , yScale );
+    CGPathAddArcToPoint( m_path, NULL , x1, y1, x2, y2, r); 

 }
 
 }
 

-void wxMacCoreGraphicsContext::Rotate( wxDouble angle )
+void wxMacCoreGraphicsPath::AddPath( const wxGraphicsPath* path )

 {
 {

-    EnsureIsValid();
-    
-    CGContextRotateCTM( m_cgContext , angle );
+       CGPathAddPath( m_path , NULL, (CGPathRef) path->GetNativePath() );

 }
 
 }
 

-void wxMacCoreGraphicsContext::DrawBitmap( const wxBitmap &bmp, wxDouble x, wxDouble y, wxDouble w, wxDouble h ) 
+// closes the current subpath
+void wxMacCoreGraphicsPath::CloseSubpath()

 {
 {

-    EnsureIsValid();
-    
-    CGImageRef image = (CGImageRef)( bmp.CGImageCreate() );
-    HIRect r = CGRectMake( x , y , w , h );
-    HIViewDrawCGImage( m_cgContext , &r , image );
-    CGImageRelease( image );
+    CGPathCloseSubpath( m_path );

 }
 
 }
 

-void wxMacCoreGraphicsContext::DrawIcon( const wxIcon &icon, wxDouble x, wxDouble y, wxDouble w, wxDouble h ) 
+// gets the last point of the current path, (0,0) if not yet set
+void wxMacCoreGraphicsPath::GetCurrentPoint( wxDouble& x, wxDouble&y)

 {
 {

-    EnsureIsValid();
-    
-    CGRect r = CGRectMake( 00 , 00 , w , h );
-    CGContextSaveGState( m_cgContext );
-    CGContextTranslateCTM( m_cgContext, x , y + h );
-    CGContextScaleCTM( m_cgContext, 1, -1 );
-    PlotIconRefInContext( m_cgContext , &r , kAlignNone , kTransformNone ,
-        NULL , kPlotIconRefNormalFlags , MAC_WXHICON( icon.GetHICON() ) );
-    CGContextRestoreGState( m_cgContext );
+    CGPoint p = CGPathGetCurrentPoint( m_path );
+    x = p.x;
+    y = p.y;

 }
 
 }
 

-void wxMacCoreGraphicsContext::PushState()
+// transforms each point of this path by the matrix
+void wxMacCoreGraphicsPath::Transform( wxGraphicsMatrix* matrix )

 {
 {

-    EnsureIsValid();
-    
-    CGContextSaveGState( m_cgContext );
+       CGMutablePathRef p = CGPathCreateMutable() ;
+       CGPathAddPath( p, (CGAffineTransform*) matrix->GetNativeMatrix() , m_path );
+       CGPathRelease( m_path );
+       m_path = p;

 }
 
 }
 

-void wxMacCoreGraphicsContext::PopState() 
+// gets the bounding box enclosing all points (possibly including control points)
+void wxMacCoreGraphicsPath::GetBox(wxDouble *x, wxDouble *y, wxDouble *w, wxDouble *h)

 {
 {

-    EnsureIsValid();
-    
-    CGContextRestoreGState( m_cgContext );
+       CGRect bounds = CGPathGetBoundingBox( m_path ) ;
+       *x = bounds.origin.x;
+       *y = bounds.origin.y;
+       *w = bounds.size.width;
+       *h = bounds.size.height;

 }
 
 }
 

-void wxMacCoreGraphicsContext::SetTextColour( const wxColour &col ) 
+bool wxMacCoreGraphicsPath::Contains( wxDouble x, wxDouble y, int fillStyle) 

 {
 {

-    m_textForegroundColor = col;
-    // to recreate the native font after color change
-    SetFont( m_font );
+       return CGPathContainsPoint( m_path, NULL, CGPointMake(x,y), fillStyle == wxODDEVEN_RULE );

 }
 
 }
 

-#pragma mark -
-#pragma mark wxMacCoreGraphicsPattern, ImagePattern, HatchPattern classes

 
 

-// CGPattern wrapper class: always allocate on heap, never call destructor
+//
+// Graphics Pen
+//

 
 

-class wxMacCoreGraphicsPattern
-{
-public :
-    wxMacCoreGraphicsPattern() {}
+//-----------------------------------------------------------------------------
+// wxMacCoreGraphicsPen declaration
+//-----------------------------------------------------------------------------

 
 

-    // is guaranteed to be called only with a non-Null CGContextRef
-    virtual void Render( CGContextRef ctxRef ) = 0;

 
 

-    operator CGPatternRef() const { return m_patternRef; }
+//
+// Graphics Context
+//

 
 

-protected :
-    virtual ~wxMacCoreGraphicsPattern()
-    {
-        // as this is called only when the m_patternRef is been released;
-        // don't release it again
-    }
+//-----------------------------------------------------------------------------
+// wxMacCoreGraphicsContext declaration
+//-----------------------------------------------------------------------------
+
+class WXDLLEXPORT wxMacCoreGraphicsContext : public wxGraphicsContext
+{
+public:
+    wxMacCoreGraphicsContext( wxGraphicsRenderer* renderer, CGContextRef cgcontext );
+    
+    wxMacCoreGraphicsContext( wxGraphicsRenderer* renderer, WindowRef window );
+    
+    wxMacCoreGraphicsContext( wxGraphicsRenderer* renderer, wxWindow* window );
+    
+    wxMacCoreGraphicsContext( wxGraphicsRenderer* renderer);
+    
+    wxMacCoreGraphicsContext();
+    
+    ~wxMacCoreGraphicsContext();

 
 

-    static void _Render( void *info, CGContextRef ctxRef )
-    {
-        wxMacCoreGraphicsPattern* self = (wxMacCoreGraphicsPattern*) info;
-        if ( self && ctxRef )
-            self->Render( ctxRef );
-    }
+       void Init();

 
 

-    static void _Dispose( void *info )
-    {
-        wxMacCoreGraphicsPattern* self = (wxMacCoreGraphicsPattern*) info;
-        delete self;
-    }
+    // push the current state of the context, ie the transformation matrix on a stack
+    virtual void PushState();

 
 

-    CGPatternRef m_patternRef;
+    // pops a stored state from the stack
+    virtual void PopState();

 
 

-    static const CGPatternCallbacks ms_Callbacks;
-};
+    // clips drawings to the region
+    virtual void Clip( const wxRegion &region );

 
 

-const CGPatternCallbacks wxMacCoreGraphicsPattern::ms_Callbacks = { 0, &wxMacCoreGraphicsPattern::_Render, &wxMacCoreGraphicsPattern::_Dispose };
+    // clips drawings to the rect
+    virtual void Clip( wxDouble x, wxDouble y, wxDouble w, wxDouble h );
+    
+    // resets the clipping to original extent
+    virtual void ResetClip();

 
 

-class ImagePattern : public wxMacCoreGraphicsPattern
-{
-public :
-    ImagePattern( const wxBitmap* bmp , const CGAffineTransform& transform )
-    {
-        wxASSERT( bmp && bmp->Ok() );
+    virtual void * GetNativeContext();
+    
+    //
+    // transformation
+    //
+    
+    // translate
+    virtual void Translate( wxDouble dx , wxDouble dy );

 
 

-        Init( (CGImageRef) bmp->CGImageCreate() , transform );
-    }
+    // scale
+    virtual void Scale( wxDouble xScale , wxDouble yScale );

 
 

-    // ImagePattern takes ownership of CGImageRef passed in
-    ImagePattern( CGImageRef image , const CGAffineTransform& transform )
-    {
-        if ( image )
-            CFRetain( image );
+    // rotate (radians)
+    virtual void Rotate( wxDouble angle );

 
 

-        Init( image , transform );
-    }
+       // concatenates this transform with the current transform of this context
+       virtual void ConcatTransform( const wxGraphicsMatrix* matrix );

 
 

-    virtual void Render( CGContextRef ctxRef )
-    {
-        if (m_image != NULL)
-            HIViewDrawCGImage( ctxRef, &m_imageBounds, m_image );
-    }
+       // sets the transform of this context
+       virtual void SetTransform( const wxGraphicsMatrix* matrix );

 
 

-protected :
-    void Init( CGImageRef image, const CGAffineTransform& transform )
-    {
-        m_image = image;
-        if ( m_image )
-        {
-            m_imageBounds = CGRectMake( 0.0, 0.0, (CGFloat)CGImageGetWidth( m_image ), (CGFloat)CGImageGetHeight( m_image ) );
-            m_patternRef = CGPatternCreate(
-                this , m_imageBounds, transform ,
-                m_imageBounds.size.width, m_imageBounds.size.height,
-                kCGPatternTilingNoDistortion, true , &wxMacCoreGraphicsPattern::ms_Callbacks );
-        }
-    }
+       // gets the matrix of this context
+       virtual void GetTransform( wxGraphicsMatrix* matrix );
+    //
+    // setting the paint
+    //
+    
+    // sets the pen
+    virtual void SetPen( wxGraphicsPen* pen , bool release = true );
+    
+    // sets the brush for filling
+    virtual void SetBrush( wxGraphicsBrush* brush , bool release = true );

 
 

-    virtual ~ImagePattern()
-    {
-        if ( m_image )
-            CGImageRelease( m_image );
-    }
+    // sets the font
+    virtual void SetFont( wxGraphicsFont* font, bool release = true );

 
 

-    CGImageRef m_image;
-    CGRect m_imageBounds;
-};
+    // strokes along a path with the current pen
+    virtual void StrokePath( const wxGraphicsPath *path );

 
 

-class HatchPattern : public wxMacCoreGraphicsPattern
-{
-public :
-    HatchPattern( int hatchstyle, const CGAffineTransform& transform )
-    {
-        m_hatch = hatchstyle;
-        m_imageBounds = CGRectMake( 0.0, 0.0, 8.0 , 8.0 );
-        m_patternRef = CGPatternCreate(
-            this , m_imageBounds, transform ,
-            m_imageBounds.size.width, m_imageBounds.size.height,
-            kCGPatternTilingNoDistortion, false , &wxMacCoreGraphicsPattern::ms_Callbacks );
-    }
+    // fills a path with the current brush
+    virtual void FillPath( const wxGraphicsPath *path, int fillStyle = wxWINDING_RULE );

 
 

-    void StrokeLineSegments( CGContextRef ctxRef , const CGPoint pts[] , size_t count )
+    // draws a path by first filling and then stroking
+    virtual void DrawPath( const wxGraphicsPath *path, int fillStyle = wxWINDING_RULE );
+
+    virtual bool ShouldOffset() const

     {
     {

-#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4
-        if ( UMAGetSystemVersion() >= 0x1040 )
-        {
-            CGContextStrokeLineSegments( ctxRef , pts , count );
-        }
-        else
-#endif
+        int penwidth = 0 ;
+        if ( m_pen )

         {
         {

-            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);
+            penwidth = m_pen->GetWidth();
+            if ( penwidth == 0 )
+                penwidth = 1;

         }
         }

+        return ( penwidth % 2 ) == 1; 

     }
     }

+    //
+    // text
+    //
+    
+    virtual void DrawText( const wxString &str, wxDouble x, wxDouble y );

 
 

-    virtual void Render( CGContextRef ctxRef )
-    {
-        switch ( m_hatch )
-        {
-            case wxBDIAGONAL_HATCH :
-                {
-                    CGPoint pts[] =
-                    {
-                    { 8.0 , 0.0 } , { 0.0 , 8.0 }
-                    };
-                    StrokeLineSegments( ctxRef , pts , 2 );
-                }
-                break;
+    virtual void DrawText( const wxString &str, wxDouble x, wxDouble y, wxDouble angle );

 
 

-            case wxCROSSDIAG_HATCH :
-                {
-                    CGPoint pts[] =
-                    {
-                        { 0.0 , 0.0 } , { 8.0 , 8.0 } ,
-                        { 8.0 , 0.0 } , { 0.0 , 8.0 }
-                    };
-                    StrokeLineSegments( ctxRef , pts , 4 );
-                }
-                break;
+    virtual void GetTextExtent( const wxString &text, wxDouble *width, wxDouble *height,
+        wxDouble *descent, wxDouble *externalLeading ) const;

 
 

-            case wxFDIAGONAL_HATCH :
-                {
-                    CGPoint pts[] =
-                    {
-                    { 0.0 , 0.0 } , { 8.0 , 8.0 }
-                    };
-                    StrokeLineSegments( ctxRef , pts , 2 );
-                }
-                break;
+    virtual void GetPartialTextExtents(const wxString& text, wxArrayDouble& widths) const;

 
 

-            case wxCROSS_HATCH :
-                {
-                    CGPoint pts[] =
-                    {
-                    { 0.0 , 4.0 } , { 8.0 , 4.0 } ,
-                    { 4.0 , 0.0 } , { 4.0 , 8.0 } ,
-                    };
-                    StrokeLineSegments( ctxRef , pts , 4 );
-                }
-                break;
+    //
+    // image support
+    //

 
 

-            case wxHORIZONTAL_HATCH :
-                {
-                    CGPoint pts[] =
-                    {
-                    { 0.0 , 4.0 } , { 8.0 , 4.0 } ,
-                    };
-                    StrokeLineSegments( ctxRef , pts , 2 );
-                }
-                break;
+    virtual void DrawBitmap( const wxBitmap &bmp, wxDouble x, wxDouble y, wxDouble w, wxDouble h );

 
 

-            case wxVERTICAL_HATCH :
-                {
-                    CGPoint pts[] =
-                    {
-                    { 4.0 , 0.0 } , { 4.0 , 8.0 } ,
-                    };
-                    StrokeLineSegments( ctxRef , pts , 2 );
-                }
-                break;
+    virtual void DrawIcon( const wxIcon &icon, wxDouble x, wxDouble y, wxDouble w, wxDouble h );

 
 

-            default:
-                break;
-        }
-    }
+    void SetNativeContext( CGContextRef cg );
+        
+    DECLARE_NO_COPY_CLASS(wxMacCoreGraphicsContext)
+    DECLARE_DYNAMIC_CLASS(wxMacCoreGraphicsContext)

 
 

-protected :
-    virtual ~HatchPattern() {}
+private:
+    void EnsureIsValid();

 
 

-    CGRect      m_imageBounds;
-    int         m_hatch;
+    CGContextRef m_cgContext;
+       WindowRef m_windowRef;
+       int m_originX;
+       int m_originY;
+       wxMacCFRefHolder<HIShapeRef> m_clipRgn;
+       bool m_releaseContext;

 };
 
 };
 

-#pragma mark -
+//-----------------------------------------------------------------------------
+// device context implementation
+//
+// more and more of the dc functionality should be implemented by calling
+// the appropricate wxMacCoreGraphicsContext, but we will have to do that step by step
+// also coordinate conversions should be moved to native matrix ops
+//-----------------------------------------------------------------------------

 
 

-void wxMacCoreGraphicsContext::SetPen( const wxPen &pen )
-{
-    m_pen = pen;
-    if ( m_cgContext == NULL )
-        return;
+// we always stock two context states, one at entry, to be able to preserve the
+// state we were called with, the other one after changing to HI Graphics orientation
+// (this one is used for getting back clippings etc)

 
 

-    bool fill = m_brush.GetStyle() != wxTRANSPARENT;
-    bool stroke = pen.GetStyle() != wxTRANSPARENT;
+//-----------------------------------------------------------------------------
+// wxMacCoreGraphicsContext implementation
+//-----------------------------------------------------------------------------

 
 

-#if 0
-    // we can benchmark performance; should go into a setting eventually
-    CGContextSetShouldAntialias( m_cgContext , false );
-#endif
+IMPLEMENT_DYNAMIC_CLASS(wxMacCoreGraphicsContext, wxGraphicsContext)

 
 

-    if ( fill || stroke )
-    {
-        // set up brushes
-        m_mode = kCGPathFill; // just a default
+void wxMacCoreGraphicsContext::Init()
+{
+    m_cgContext = NULL;
+       m_releaseContext = false;
+    m_windowRef = NULL;
+       m_originX = 0;
+       m_originY = 0;
+    HIRect r = CGRectMake(0,0,0,0);
+    m_clipRgn.Set(HIShapeCreateWithRect(&r));
+}

 
 

-        if ( stroke )
-        {
-            CGContextSetRGBStrokeColor( m_cgContext , pen.GetColour().Red() / 255.0 , pen.GetColour().Green() / 255.0 , 
-                    pen.GetColour().Blue() / 255.0 , pen.GetColour().Alpha() / 255.0 );
+wxMacCoreGraphicsContext::wxMacCoreGraphicsContext( wxGraphicsRenderer* renderer, CGContextRef cgcontext ) : wxGraphicsContext(renderer)
+{
+       Init();
+       m_cgContext = cgcontext;
+    // FIXME: This check is needed because currently we need to use a DC/GraphicsContext
+    // in order to get font properties, like wxFont::GetPixelSize, but since we don't have 
+    // a native window attached to use, I create a wxGraphicsContext with a NULL CGContextRef
+    // for this one operation.
+    
+    // When wxFont::GetPixelSize on Mac no longer needs a graphics context, this check
+    // can be removed. 
+    if (m_cgContext)
+    {
+        CGContextSaveGState( m_cgContext );
+        CGContextSaveGState( m_cgContext );
+    }
+}

 
 

-            // TODO: * m_dc->m_scaleX
-            CGFloat penWidth = pen.GetWidth();
-            if (penWidth <= 0.0)
-                penWidth = 0.1;
-            CGContextSetLineWidth( m_cgContext , penWidth );
+wxMacCoreGraphicsContext::wxMacCoreGraphicsContext( wxGraphicsRenderer* renderer, WindowRef window ): wxGraphicsContext(renderer)
+{
+       Init();
+       m_windowRef = window;
+}

 
 

-            CGLineCap cap;
-            switch ( pen.GetCap() )
-            {
-                case wxCAP_ROUND :
-                    cap = kCGLineCapRound;
-                    break;
+wxMacCoreGraphicsContext::wxMacCoreGraphicsContext( wxGraphicsRenderer* renderer, wxWindow* window ): wxGraphicsContext(renderer)
+{
+       Init();
+       m_windowRef = (WindowRef) window->MacGetTopLevelWindowRef();
+    m_originX = m_originY = 0;
+    window->MacWindowToRootWindow( &m_originX , &m_originY );
+}

 
 

-                case wxCAP_PROJECTING :
-                    cap = kCGLineCapSquare;
-                    break;
+wxMacCoreGraphicsContext::wxMacCoreGraphicsContext(wxGraphicsRenderer* renderer) : wxGraphicsContext(renderer)
+{
+       Init();
+}

 
 

-                case wxCAP_BUTT :
-                    cap = kCGLineCapButt;
-                    break;
+wxMacCoreGraphicsContext::wxMacCoreGraphicsContext() : wxGraphicsContext(NULL)
+{
+       Init();
+    wxLogDebug(wxT("Illegal Constructor called"));
+}

 
 

-                default :
-                    cap = kCGLineCapButt;
-                    break;
-            }
+wxMacCoreGraphicsContext::~wxMacCoreGraphicsContext()
+{
+    SetPen(NULL);
+    SetFont(NULL);
+    SetBrush(NULL);
+    
+    if ( m_cgContext )
+    {
+        // TODO : when is this necessary - should we add a Flush() method ? CGContextSynchronize( m_cgContext );
+        CGContextRestoreGState( m_cgContext );
+        CGContextRestoreGState( m_cgContext );
+    }

 
 

-            CGLineJoin join;
-            switch ( pen.GetJoin() )
-            {
-                case wxJOIN_BEVEL :
-                    join = kCGLineJoinBevel;
-                    break;
+    if ( m_releaseContext )
+               QDEndCGContext( GetWindowPort( m_windowRef ) , &m_cgContext);
+}

 
 

-                case wxJOIN_MITER :
-                    join = kCGLineJoinMiter;
-                    break;
+void wxMacCoreGraphicsContext::EnsureIsValid()
+{
+       if ( !m_cgContext )
+       {
+               OSStatus status = QDBeginCGContext( GetWindowPort( m_windowRef ) , &m_cgContext );
+               wxASSERT_MSG( status == noErr , wxT("Cannot nest wxDCs on the same window") );
+               Rect bounds;
+               GetWindowBounds( m_windowRef, kWindowContentRgn, &bounds );
+               CGContextSaveGState( m_cgContext );
+               CGContextTranslateCTM( m_cgContext , 0 , bounds.bottom - bounds.top );
+               CGContextScaleCTM( m_cgContext , 1 , -1 );
+               CGContextTranslateCTM( m_cgContext, m_originX, m_originY );
+               CGContextSaveGState( m_cgContext );
+               m_releaseContext = true;
+               if ( !HIShapeIsEmpty(m_clipRgn) )
+               {
+                       HIShapeReplacePathInCGContext( m_clipRgn, m_cgContext );
+                       CGContextClip( m_cgContext );
+               }
+       }
+}

 
 

-                case wxJOIN_ROUND :
-                    join = kCGLineJoinRound;
-                    break;

 
 

-                default :
-                    join = kCGLineJoinMiter;
-                    break;
-            }
+void wxMacCoreGraphicsContext::Clip( const wxRegion &region )
+{
+       if( m_cgContext )
+       {
+               HIShapeRef shape = HIShapeCreateWithQDRgn( (RgnHandle) region.GetWXHRGN() );
+               HIShapeReplacePathInCGContext( shape, m_cgContext );
+               CGContextClip( m_cgContext );
+               CFRelease( shape );
+       }
+       else
+       {
+               m_clipRgn.Set(HIShapeCreateWithQDRgn( (RgnHandle) region.GetWXHRGN() ));
+       }
+}

 
 

-            m_mode = kCGPathStroke;
-            int count = 0;
+// clips drawings to the rect
+void wxMacCoreGraphicsContext::Clip( wxDouble x, wxDouble y, wxDouble w, wxDouble h )
+{
+       HIRect r = CGRectMake( x , y , w , h );
+       if ( m_cgContext )
+       {
+               CGContextClipToRect( m_cgContext, r );
+       }
+       else
+       {
+               m_clipRgn.Set(HIShapeCreateWithRect(&r));
+       }
+}
+       
+       // resets the clipping to original extent
+void wxMacCoreGraphicsContext::ResetClip()
+{
+       if ( m_cgContext )
+       {
+               CGContextRestoreGState( m_cgContext );
+               CGContextSaveGState( m_cgContext );
+       }
+       else
+       {
+        HIRect r = CGRectMake(0,0,0,0);
+        m_clipRgn.Set(HIShapeCreateWithRect(&r));
+       }
+}

 
 

-            const CGFloat *lengths = NULL;
-            CGFloat *userLengths = NULL;
+void wxMacCoreGraphicsContext::StrokePath( const wxGraphicsPath *path )
+{
+    if ( m_pen == NULL )
+        return ;

 
 

-            const CGFloat dashUnit = penWidth < 1.0 ? 1.0 : penWidth;
+       EnsureIsValid();
+       
+    bool offset = ShouldOffset();
+    if ( offset )
+        CGContextTranslateCTM( m_cgContext, 0.5, 0.5 );

 
 

-            const CGFloat dotted[] = { dashUnit , dashUnit + 2.0 };
-            const CGFloat short_dashed[] = { 9.0 , 6.0 };
-            const CGFloat dashed[] = { 19.0 , 9.0 };
-            const CGFloat dotted_dashed[] = { 9.0 , 6.0 , 3.0 , 3.0 };
+    m_pen->Apply(this);
+    CGContextAddPath( m_cgContext , (CGPathRef) path->GetNativePath() );
+    CGContextStrokePath( m_cgContext );

 
 

-            switch ( pen.GetStyle() )
-            {
-                case wxSOLID :
-                    break;
-
-                case wxDOT :
-                    lengths = dotted;
-                    count = WXSIZEOF(dotted);
-                    break;
-
-                case wxLONG_DASH :
-                    lengths = dashed;
-                    count = WXSIZEOF(dashed);
-                    break;
-
-                case wxSHORT_DASH :
-                    lengths = short_dashed;
-                    count = WXSIZEOF(short_dashed);
-                    break;
-
-                case wxDOT_DASH :
-                    lengths = dotted_dashed;
-                    count = WXSIZEOF(dotted_dashed);
-                    break;
-
-                case wxUSER_DASH :
-                    wxDash *dashes;
-                    count = pen.GetDashes( &dashes );
-                    if ((dashes != NULL) && (count > 0))
-                    {
-                        userLengths = new CGFloat[count];
-                        for ( int i = 0; i < count; ++i )
-                        {
-                            userLengths[i] = dashes[i] * dashUnit;
-
-                            if ( i % 2 == 1 && userLengths[i] < dashUnit + 2.0 )
-                                userLengths[i] = dashUnit + 2.0;
-                            else if ( i % 2 == 0 && userLengths[i] < dashUnit )
-                                userLengths[i] = dashUnit;
-                        }
-                    }
-                    lengths = userLengths;
-                    break;
-
-                case wxSTIPPLE :
-                    {
-                        CGFloat  alphaArray[1] = { 1.0 };
-                        wxBitmap* bmp = pen.GetStipple();
-                        if ( bmp && bmp->Ok() )
-                        {
-                            wxMacCFRefHolder<CGColorSpaceRef> patternSpace( CGColorSpaceCreatePattern( NULL ) );
-                            CGContextSetStrokeColorSpace( m_cgContext , patternSpace );
-                            wxMacCFRefHolder<CGPatternRef> pattern( *( new ImagePattern( bmp , CGContextGetCTM( m_cgContext ) ) ) );
-                            CGContextSetStrokePattern( m_cgContext, pattern , alphaArray );
-                        }
-                    }
-                    break;
-
-                default :
-                    {
-                        wxMacCFRefHolder<CGColorSpaceRef> patternSpace( CGColorSpaceCreatePattern( wxMacGetGenericRGBColorSpace() ) );
-                        CGContextSetStrokeColorSpace( m_cgContext , patternSpace );
-                        wxMacCFRefHolder<CGPatternRef> pattern( *( new HatchPattern( pen.GetStyle() , CGContextGetCTM( m_cgContext ) ) ) );
+    if ( offset )
+        CGContextTranslateCTM( m_cgContext, -0.5, -0.5 );
+}

 
 

-                        CGFloat  colorArray[4] = { pen.GetColour().Red() / 255.0 , pen.GetColour().Green() / 255.0 , 
-                            pen.GetColour().Blue() / 255.0 , pen.GetColour().Alpha() / 255.0 };
+void wxMacCoreGraphicsContext::DrawPath( const wxGraphicsPath *path , int fillStyle )
+{        
+    if ( m_brush != NULL && ((wxMacCoreGraphicsBrush*)m_brush)->IsShading() )
+    {
+        // when using shading, we cannot draw pen and brush at the same time
+        // revert to the base implementation of first filling and then stroking
+        wxGraphicsContext::DrawPath( path, fillStyle );
+        return;
+    }
+    
+    CGPathDrawingMode mode = kCGPathFill ;
+    if ( m_brush == NULL )
+    {
+        if ( m_pen == NULL )
+            return;
+        else
+            mode = kCGPathStroke;
+    }
+    else
+    {
+        if ( m_pen == NULL )
+        {
+            if ( fillStyle == wxODDEVEN_RULE )
+                mode = kCGPathEOFill;
+            else
+                mode = kCGPathFill;
+        }
+        else
+        {
+            if ( fillStyle == wxODDEVEN_RULE )
+                mode = kCGPathEOFillStroke;
+            else
+                mode = kCGPathFillStroke;
+        }
+    }
+        
+       EnsureIsValid();

 
 

-                        CGContextSetStrokePattern( m_cgContext, pattern , colorArray );
-                    }
-                    break;
-            }
+    if ( m_brush )
+        m_brush->Apply(this);

 
 

-            if ((lengths != NULL) && (count > 0))
-            {
-                CGContextSetLineDash( m_cgContext , 0 , lengths , count );
-                // force the line cap, otherwise we get artifacts (overlaps) and just solid lines
-                cap = kCGLineCapButt;
-            }
-            else
-            {
-               CGContextSetLineDash( m_cgContext , 0 , NULL , 0 );
-            }
+    bool offset = ShouldOffset();
+    
+    if ( offset )
+        CGContextTranslateCTM( m_cgContext, 0.5, 0.5 );

 
 

-            CGContextSetLineCap( m_cgContext , cap );
-            CGContextSetLineJoin( m_cgContext , join );
+    CGContextAddPath( m_cgContext , (CGPathRef) path->GetNativePath() );
+    CGContextDrawPath( m_cgContext , mode );

 
 

-            delete[] userLengths;
-        }
+    if ( offset )
+        CGContextTranslateCTM( m_cgContext, -0.5, -0.5 );
+}

 
 

-        if ( fill && stroke )
-            m_mode = kCGPathFillStroke;
+void wxMacCoreGraphicsContext::FillPath( const wxGraphicsPath *path , int fillStyle )
+{
+    if ( m_brush == NULL )
+        return;
+        
+       EnsureIsValid();
+    
+    if ( ((wxMacCoreGraphicsBrush*)m_brush)->IsShading() )
+    {
+        CGContextSaveGState( m_cgContext );
+        CGContextAddPath( m_cgContext , (CGPathRef) path->GetNativePath() );
+        CGContextClip( m_cgContext );
+        CGContextDrawShading( m_cgContext, ((wxMacCoreGraphicsBrush*)m_brush)->GetShading() );
+        CGContextRestoreGState( m_cgContext);
+    }
+    else
+    {  
+        m_brush->Apply(this);
+        CGContextAddPath( m_cgContext , (CGPathRef) path->GetNativePath() );
+        if ( fillStyle == wxODDEVEN_RULE )
+            CGContextEOFillPath( m_cgContext );
+        else
+            CGContextFillPath( m_cgContext );

     }
 }
 
     }
 }
 

-void wxMacCoreGraphicsContext::SetBrush( const wxBrush &brush )
+void wxMacCoreGraphicsContext::SetNativeContext( CGContextRef cg )

 {
 {

-    m_brush = brush;
-    if ( m_cgContext == NULL )
-        return;
+    // we allow either setting or clearing but not replacing
+    wxASSERT( m_cgContext == NULL || cg == NULL );

 
 

-    bool fill = brush.GetStyle() != wxTRANSPARENT;
-    bool stroke = m_pen.GetStyle() != wxTRANSPARENT;
+    if ( cg )
+        CGContextSaveGState( cg );
+    m_cgContext = cg;
+}

 
 

-#if 0
-    // we can benchmark performance, should go into a setting later
-    CGContextSetShouldAntialias( m_cgContext , false );
-#endif
+void wxMacCoreGraphicsContext::Translate( wxDouble dx , wxDouble dy ) 
+{
+       EnsureIsValid();
+       
+    CGContextTranslateCTM( m_cgContext, dx, dy );
+}

 
 

-    if ( fill || stroke )
-    {
-        // setup brushes
-        m_mode = kCGPathFill; // just a default
+void wxMacCoreGraphicsContext::Scale( wxDouble xScale , wxDouble yScale )
+{
+       EnsureIsValid();
+       
+    CGContextScaleCTM( m_cgContext , xScale , yScale );
+}

 
 

-        if ( fill )
-        {
-            if ( brush.GetStyle() == wxSOLID )
-            {
-                CGContextSetRGBFillColor( m_cgContext , brush.GetColour().Red() / 255.0 , brush.GetColour().Green() / 255.0 , 
-                    brush.GetColour().Blue() / 255.0 , brush.GetColour().Alpha() / 255.0 );
-            }
-            else if ( brush.IsHatch() )
-            {
-                wxMacCFRefHolder<CGColorSpaceRef> patternSpace( CGColorSpaceCreatePattern( wxMacGetGenericRGBColorSpace() ) );
-                CGContextSetFillColorSpace( m_cgContext , patternSpace );
-                wxMacCFRefHolder<CGPatternRef> pattern( *( new HatchPattern( brush.GetStyle() , CGContextGetCTM( m_cgContext ) ) ) );
+void wxMacCoreGraphicsContext::Rotate( wxDouble angle )
+{
+       EnsureIsValid();
+       
+    CGContextRotateCTM( m_cgContext , angle );
+}

 
 

-                CGFloat  colorArray[4] = { brush.GetColour().Red() / 255.0 , brush.GetColour().Green() / 255.0 , 
-                    brush.GetColour().Blue() / 255.0 , brush.GetColour().Alpha() / 255.0 };
+void wxMacCoreGraphicsContext::DrawBitmap( const wxBitmap &bmp, wxDouble x, wxDouble y, wxDouble w, wxDouble h ) 
+{
+       EnsureIsValid();
+       
+    CGImageRef image = (CGImageRef)( bmp.CGImageCreate() );
+    HIRect r = CGRectMake( x , y , w , h );
+    HIViewDrawCGImage( m_cgContext , &r , image );
+    CGImageRelease( image );
+}

 
 

-                CGContextSetFillPattern( m_cgContext, pattern , colorArray );
-            }
-            else
-            {
-                // now brush is a bitmap
-                CGFloat  alphaArray[1] = { 1.0 };
-                wxBitmap* bmp = brush.GetStipple();
-                if ( bmp && bmp->Ok() )
-                {
-                    wxMacCFRefHolder<CGColorSpaceRef> patternSpace( CGColorSpaceCreatePattern( NULL ) );
-                    CGContextSetFillColorSpace( m_cgContext , patternSpace );
-                    wxMacCFRefHolder<CGPatternRef> pattern( *( new ImagePattern( bmp , CGContextGetCTM( m_cgContext ) ) ) );
-                    CGContextSetFillPattern( m_cgContext, pattern , alphaArray );
-                }
-            }
+void wxMacCoreGraphicsContext::DrawIcon( const wxIcon &icon, wxDouble x, wxDouble y, wxDouble w, wxDouble h ) 
+{
+       EnsureIsValid();
+       
+    CGRect r = CGRectMake( 00 , 00 , w , h );
+    CGContextSaveGState( m_cgContext );
+    CGContextTranslateCTM( m_cgContext, x , y + h );
+    CGContextScaleCTM( m_cgContext, 1, -1 );
+    PlotIconRefInContext( m_cgContext , &r , kAlignNone , kTransformNone ,
+        NULL , kPlotIconRefNormalFlags , MAC_WXHICON( icon.GetHICON() ) );
+    CGContextRestoreGState( m_cgContext );
+}

 
 

-            m_mode = kCGPathFill;
-        }
+void wxMacCoreGraphicsContext::PushState()
+{
+       EnsureIsValid();
+       
+    CGContextSaveGState( m_cgContext );
+}

 
 

-        if ( fill && stroke )
-            m_mode = kCGPathFillStroke;
-        else if ( stroke )
-            m_mode = kCGPathStroke;
-    }
+void wxMacCoreGraphicsContext::PopState() 
+{
+       EnsureIsValid();
+       
+    CGContextRestoreGState( m_cgContext );

 }
 
 }
 

-// sets the brush to a linear gradient, starting at (x1,y1) with color c1 to (x2,y2) with color c2
-void wxMacCoreGraphicsContext::SetLinearGradientBrush( wxDouble x1, wxDouble y1, wxDouble x2, wxDouble y2, 
-        const wxColour&c1, const wxColour&c2)
+// sets the pen
+void wxMacCoreGraphicsContext::SetPen( wxGraphicsPen* pen , bool release )

 {
 {

+    wxGraphicsContext::SetPen( pen, release );

 }
 
 }
 

-// sets the brush to a radial gradient originating at (xo,yc) with color oColor and ends on a circle around (xc,yc) 
-// with radius r and color cColor
-void wxMacCoreGraphicsContext::SetRadialGradientBrush( wxDouble xo, wxDouble yo, wxDouble xc, wxDouble yc, wxDouble radius,
-        const wxColour &oColor, const wxColour &cColor)
+// sets the brush for filling
+void wxMacCoreGraphicsContext::SetBrush( wxGraphicsBrush* brush , bool release )

 {
 {

+    wxGraphicsContext::SetBrush( brush, release );

 }
 
 }
 

+// sets the font
+void wxMacCoreGraphicsContext::SetFont( wxGraphicsFont* font, bool release )
+{
+    wxGraphicsContext::SetFont( font, release );
+}

 
 void wxMacCoreGraphicsContext::DrawText( const wxString &str, wxDouble x, wxDouble y ) 
 {
 
 void wxMacCoreGraphicsContext::DrawText( const wxString &str, wxDouble x, wxDouble y ) 
 {


@@ -1064,8 +1601,11 @@ void wxMacCoreGraphicsContext::DrawText( const wxString &str, wxDouble x, wxDoub
 
 void wxMacCoreGraphicsContext::DrawText( const wxString &str, wxDouble x, wxDouble y, wxDouble angle ) 
 {
 
 void wxMacCoreGraphicsContext::DrawText( const wxString &str, wxDouble x, wxDouble y, wxDouble angle ) 
 {

-    EnsureIsValid();
-    
+    if ( m_font == NULL )
+        return;
+        
+       EnsureIsValid();
+       

     OSStatus status = noErr;
     ATSUTextLayout atsuLayout;
     UniCharCount chars = str.length();
     OSStatus status = noErr;
     ATSUTextLayout atsuLayout;
     UniCharCount chars = str.length();


@@ -1094,8 +1634,9 @@ void wxMacCoreGraphicsContext::DrawText( const wxString &str, wxDouble x, wxDoub
 #endif
 #endif
 
 #endif
 #endif
 

+    ATSUStyle style = (((wxMacCoreGraphicsFont*)m_font)->GetATSUStyle());

     status = ::ATSUCreateTextLayoutWithTextPtr( (UniCharArrayPtr) ubuf , 0 , chars , chars , 1 ,
     status = ::ATSUCreateTextLayoutWithTextPtr( (UniCharArrayPtr) ubuf , 0 , chars , chars , 1 ,

-        &chars , (ATSUStyle*) &m_macATSUIStyle , &atsuLayout );
+        &chars , &style , &atsuLayout );

 
     wxASSERT_MSG( status == noErr , wxT("couldn't create the layout of the rotated text") );
 
 
     wxASSERT_MSG( status == noErr , wxT("couldn't create the layout of the rotated text") );
 


@@ -1195,7 +1736,7 @@ void wxMacCoreGraphicsContext::DrawText( const wxString &str, wxDouble x, wxDoub
 void wxMacCoreGraphicsContext::GetTextExtent( const wxString &str, wxDouble *width, wxDouble *height,
                             wxDouble *descent, wxDouble *externalLeading ) const
 {
 void wxMacCoreGraphicsContext::GetTextExtent( const wxString &str, wxDouble *width, wxDouble *height,
                             wxDouble *descent, wxDouble *externalLeading ) const
 {

-    wxCHECK_RET( m_macATSUIStyle != NULL, wxT("wxDC(cg)::DoGetTextExtent - no valid font set") );
+    wxCHECK_RET( m_font != NULL, wxT("wxDC(cg)::DoGetTextExtent - no valid font set") );

 
     OSStatus status = noErr;
     
 
     OSStatus status = noErr;
     


@@ -1226,8 +1767,9 @@ void wxMacCoreGraphicsContext::GetTextExtent( const wxString &str, wxDouble *wid
 #endif
 #endif
 
 #endif
 #endif
 

+    ATSUStyle style = (((wxMacCoreGraphicsFont*)m_font)->GetATSUStyle());

     status = ::ATSUCreateTextLayoutWithTextPtr( (UniCharArrayPtr) ubuf , 0 , chars , chars , 1 ,
     status = ::ATSUCreateTextLayoutWithTextPtr( (UniCharArrayPtr) ubuf , 0 , chars , chars , 1 ,

-        &chars , (ATSUStyle*) &m_macATSUIStyle , &atsuLayout );
+        &chars , &style , &atsuLayout );

 
     wxASSERT_MSG( status == noErr , wxT("couldn't create the layout of the text") );
 
 
     wxASSERT_MSG( status == noErr , wxT("couldn't create the layout of the text") );
 


@@ -1284,8 +1826,9 @@ void wxMacCoreGraphicsContext::GetPartialTextExtents(const wxString& text, wxArr
 #endif
 #endif
 
 #endif
 #endif
 

+    ATSUStyle style = (((wxMacCoreGraphicsFont*)m_font)->GetATSUStyle());

     ::ATSUCreateTextLayoutWithTextPtr( (UniCharArrayPtr) ubuf , 0 , chars , chars , 1 ,
     ::ATSUCreateTextLayoutWithTextPtr( (UniCharArrayPtr) ubuf , 0 , chars , chars , 1 ,

-        &chars , (ATSUStyle*) &m_macATSUIStyle , &atsuLayout );
+        &chars , &style , &atsuLayout );

 
     for ( int pos = 0; pos < (int)chars; pos ++ )
     {
 
     for ( int pos = 0; pos < (int)chars; pos ++ )
     {


@@ -1306,74 +1849,178 @@ void wxMacCoreGraphicsContext::GetPartialTextExtents(const wxString& text, wxArr
     ::ATSUDisposeTextLayout(atsuLayout);
 }
 
     ::ATSUDisposeTextLayout(atsuLayout);
 }
 

-void wxMacCoreGraphicsContext::SetFont( const wxFont &font ) 
+void * wxMacCoreGraphicsContext::GetNativeContext() 

 {
 {

-    if ( m_macATSUIStyle )
-    {
-        ::ATSUDisposeStyle((ATSUStyle)m_macATSUIStyle);
-        m_macATSUIStyle = NULL;
-    }
+       return m_cgContext;
+}

 
 

-    if ( font.Ok() )
-    {
-        m_font = font ;
-        OSStatus status;
+// concatenates this transform with the current transform of this context
+void wxMacCoreGraphicsContext::ConcatTransform( const wxGraphicsMatrix* matrix )
+{
+}

 
 

-        status = ATSUCreateAndCopyStyle( (ATSUStyle) font.MacGetATSUStyle() , (ATSUStyle*) &m_macATSUIStyle );
+// sets the transform of this context
+void wxMacCoreGraphicsContext::SetTransform( const wxGraphicsMatrix* matrix )
+{
+}

 
 

-        wxASSERT_MSG( status == noErr, wxT("couldn't create ATSU style") );
+// gets the matrix of this context
+void wxMacCoreGraphicsContext::GetTransform( wxGraphicsMatrix* matrix )
+{
+}

 
 

-        // we need the scale here ...
+//
+// Renderer
+//

 
 

-        Fixed atsuSize = IntToFixed( int( /*m_scaleY*/ 1 * font.MacGetFontSize()) );
-        RGBColor atsuColor = MAC_WXCOLORREF( m_textForegroundColor.GetPixel() );
-        ATSUAttributeTag atsuTags[] =
-        {
-                kATSUSizeTag ,
-                kATSUColorTag ,
-        };
-        ByteCount atsuSizes[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] =
-        {
-                sizeof( Fixed ) ,
-                sizeof( RGBColor ) ,
-        };
-        ATSUAttributeValuePtr atsuValues[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] =
-        {
-                &atsuSize ,
-                &atsuColor ,
-        };
+//-----------------------------------------------------------------------------
+// wxMacCoreGraphicsRenderer declaration
+//-----------------------------------------------------------------------------

 
 

-        status = ::ATSUSetAttributes(
-            (ATSUStyle)m_macATSUIStyle, sizeof(atsuTags) / sizeof(ATSUAttributeTag) ,
-            atsuTags, atsuSizes, atsuValues);
+class WXDLLIMPEXP_CORE wxMacCoreGraphicsRenderer : public wxGraphicsRenderer
+{
+public :
+    wxMacCoreGraphicsRenderer() {}

 
 

-        wxASSERT_MSG( status == noErr , wxT("couldn't modify ATSU style") );
-    }
+    virtual ~wxMacCoreGraphicsRenderer() {}
+
+       // Context
+
+       virtual wxGraphicsContext * CreateContext( const wxWindowDC& dc);
+       
+       virtual wxGraphicsContext * CreateContextFromNativeContext( void * context );
+
+       virtual wxGraphicsContext * CreateContextFromNativeWindow( void * window );
+
+       virtual wxGraphicsContext * CreateContext( wxWindow* window );
+
+       // Path
+       
+    virtual wxGraphicsPath * CreatePath();
+
+       // Matrix
+       
+       virtual wxGraphicsMatrix * CreateMatrix( 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 wxGraphicsPen* CreatePen(const wxPen& pen) ;
+    
+    virtual wxGraphicsBrush* CreateBrush(const wxBrush& brush ) ;
+    
+    // sets the brush to a linear gradient, starting at (x1,y1) with color c1 to (x2,y2) with color c2
+    virtual wxGraphicsBrush* CreateLinearGradientBrush( wxDouble x1, wxDouble y1, wxDouble x2, wxDouble y2, 
+        const wxColour&c1, const wxColour&c2) ;
+
+    // sets the brush to a radial gradient originating at (xo,yc) with color oColor and ends on a circle around (xc,yc) 
+    // with radius r and color cColor
+    virtual wxGraphicsBrush* CreateRadialGradientBrush( wxDouble xo, wxDouble yo, wxDouble xc, wxDouble yc, wxDouble radius,
+        const wxColour &oColor, const wxColour &cColor) ;
+
+   // sets the font
+    virtual wxGraphicsFont* CreateFont( const wxFont &font , const wxColour &col = *wxBLACK ) ;
+
+private :
+    DECLARE_DYNAMIC_CLASS_NO_COPY(wxMacCoreGraphicsRenderer)
+} ;
+
+//-----------------------------------------------------------------------------
+// wxMacCoreGraphicsRenderer implementation
+//-----------------------------------------------------------------------------
+
+IMPLEMENT_DYNAMIC_CLASS(wxMacCoreGraphicsRenderer,wxGraphicsRenderer)
+
+static wxMacCoreGraphicsRenderer gs_MacCoreGraphicsRenderer;
+
+wxGraphicsRenderer* wxGraphicsRenderer::GetDefaultRenderer()
+{
+       return &gs_MacCoreGraphicsRenderer;

 }
 
 }
 

-void * wxMacCoreGraphicsContext::GetNativeContext() 
+wxGraphicsContext * wxMacCoreGraphicsRenderer::CreateContext( const wxWindowDC& dc)
+{
+   return new wxMacCoreGraphicsContext(this,(CGContextRef)dc.GetWindow()->MacGetCGContextRef() );
+}
+
+wxGraphicsContext * wxMacCoreGraphicsRenderer::CreateContextFromNativeContext( void * context )
+{
+    return new wxMacCoreGraphicsContext(this,(CGContextRef)context);
+}
+
+
+wxGraphicsContext * wxMacCoreGraphicsRenderer::CreateContextFromNativeWindow( void * window )
+{
+    return new wxMacCoreGraphicsContext(this,(WindowRef)window);
+}
+
+wxGraphicsContext * wxMacCoreGraphicsRenderer::CreateContext( wxWindow* window )
+{
+       return new wxMacCoreGraphicsContext(this, window );
+}
+
+// Path
+
+wxGraphicsPath * wxMacCoreGraphicsRenderer::CreatePath()
+{
+       return new wxMacCoreGraphicsPath( this );
+}
+
+
+// Matrix
+
+wxGraphicsMatrix * wxMacCoreGraphicsRenderer::CreateMatrix( wxDouble a, wxDouble b, wxDouble c, wxDouble d, 
+       wxDouble tx, wxDouble ty)
+       

 {
 {

-    return m_cgContext;
+    wxMacCoreGraphicsMatrix* m = new wxMacCoreGraphicsMatrix( this );
+    m->Set( a,b,c,d,tx,ty ) ;
+    return m;
+}
+
+wxGraphicsPen* wxMacCoreGraphicsRenderer::CreatePen(const wxPen& pen) 
+{
+    if ( !pen.Ok() || pen.GetStyle() == wxTRANSPARENT )
+        return NULL;
+    else
+        return new wxMacCoreGraphicsPen( this, pen );

 }
 
 }
 

-wxGraphicsContext* wxGraphicsContext::Create( const wxWindowDC &dc )
+wxGraphicsBrush* wxMacCoreGraphicsRenderer::CreateBrush(const wxBrush& brush ) 

 {
 {

-    return new wxMacCoreGraphicsContext((CGContextRef)dc.GetWindow()->MacGetCGContextRef() );
+    if ( !brush.Ok() || brush.GetStyle() == wxTRANSPARENT )
+        return NULL;
+    else
+        return new wxMacCoreGraphicsBrush( this, brush );

 }
 
 }
 

-wxGraphicsContext* wxGraphicsContext::Create( wxWindow * window )
+// sets the brush to a linear gradient, starting at (x1,y1) with color c1 to (x2,y2) with color c2
+wxGraphicsBrush* wxMacCoreGraphicsRenderer::CreateLinearGradientBrush( wxDouble x1, wxDouble y1, wxDouble x2, wxDouble y2, 
+    const wxColour&c1, const wxColour&c2) 

 {
 {

-    return new wxMacCoreGraphicsContext( window );
+    wxMacCoreGraphicsBrush* brush = new wxMacCoreGraphicsBrush(this);
+    brush->CreateLinearGradientBrush(x1, y1, x2, y2, c1, c2);
+    return brush;

 }
 
 }
 

-wxGraphicsContext* wxGraphicsContext::CreateFromNative( void * context )
+// sets the brush to a radial gradient originating at (xo,yc) with color oColor and ends on a circle around (xc,yc) 
+// with radius r and color cColor
+wxGraphicsBrush* wxMacCoreGraphicsRenderer::CreateRadialGradientBrush( wxDouble xo, wxDouble yo, wxDouble xc, wxDouble yc, wxDouble radius,
+    const wxColour &oColor, const wxColour &cColor) 

 {
 {

-    return new wxMacCoreGraphicsContext((CGContextRef)context);
+    wxMacCoreGraphicsBrush* brush = new wxMacCoreGraphicsBrush(this);
+    brush->CreateRadialGradientBrush(xo,yo,xc,yc,radius,oColor,cColor);
+    return brush;

 }
 
 }
 

-wxGraphicsContext* wxGraphicsContext::CreateFromNativeWindow( void * window )
+// sets the font
+wxGraphicsFont* wxMacCoreGraphicsRenderer::CreateFont( const wxFont &font , const wxColour &col ) 

 {
 {

-    return new wxMacCoreGraphicsContext((WindowRef)window);
+    if ( font.Ok() )
+        return new wxMacCoreGraphicsFont( this , font, col );
+    else
+        return NULL;

 }
 
 }
 

+
+

 #endif // wxMAC_USE_CORE_GRAPHICS
 #endif // wxMAC_USE_CORE_GRAPHICS