X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/f868f88665d2d72e542b0c1cd16c8d9dd4e246ae..8a31648287be0ef976f133de2786b137f1e98340:/src/msw/graphics.cpp?ds=sidebyside

diff --git a/src/msw/graphics.cpp b/src/msw/graphics.cpp
index 7acde4bd2c..e5161c5d5b 100644
--- a/src/msw/graphics.cpp
+++ b/src/msw/graphics.cpp
@@ -11,35 +11,50 @@
 
 #include "wx/wxprec.h"
 
-#include "wx/dc.h"
-
 #ifdef __BORLANDC__
-#pragma hdrstop
+    #pragma hdrstop
 #endif
 
-#ifndef WX_PRECOMP
-#include "wx/msw/wrapcdlg.h"
-#include "wx/image.h"
-#include "wx/window.h"
 #include "wx/dc.h"
-#include "wx/utils.h"
-#include "wx/dialog.h"
-#include "wx/app.h"
-#include "wx/bitmap.h"
-#include "wx/dcmemory.h"
-#include "wx/log.h"
-#include "wx/icon.h"
-#include "wx/dcprint.h"
-#include "wx/module.h"
+
+#if wxUSE_GRAPHICS_CONTEXT
+
+#ifndef WX_PRECOMP
+    #include "wx/msw/wrapcdlg.h"
+    #include "wx/image.h"
+    #include "wx/window.h"
+    #include "wx/utils.h"
+    #include "wx/dialog.h"
+    #include "wx/app.h"
+    #include "wx/bitmap.h"
+    #include "wx/log.h"
+    #include "wx/icon.h"
+    #include "wx/module.h"
+    // include all dc types that are used as a param
+    #include "wx/dc.h"
+    #include "wx/dcclient.h"
+    #include "wx/dcmemory.h"
+    #include "wx/dcprint.h"
 #endif
 
-#include "wx/graphics.h"
+#include "wx/stack.h"
 
-#if wxUSE_GRAPHICS_CONTEXT
+#include "wx/private/graphics.h"
+#include "wx/msw/wrapgdip.h"
+#include "wx/msw/dc.h"
+#if wxUSE_ENH_METAFILE
+    #include "wx/msw/enhmeta.h"
+#endif
+#include "wx/dcgraph.h"
+
+#include "wx/msw/private.h" // needs to be before #include <commdlg.h>
 
-#include <vector>
+#if wxUSE_COMMON_DIALOGS && !defined(__WXMICROWIN__)
+#include <commdlg.h>
+#endif
 
-using namespace std;
+namespace
+{
 
 //-----------------------------------------------------------------------------
 // constants
@@ -51,11 +66,19 @@ const double RAD2DEG = 180.0 / M_PI;
 // Local functions
 //-----------------------------------------------------------------------------
 
-static inline double dmin(double a, double b) { return a < b ? a : b; }
-static inline double dmax(double a, double b) { return a > b ? a : b; }
+inline double dmin(double a, double b) { return a < b ? a : b; }
+inline double dmax(double a, double b) { return a > b ? a : b; }
+
+inline double DegToRad(double deg) { return (deg * M_PI) / 180.0; }
+inline double RadToDeg(double deg) { return (deg * 180.0) / M_PI; }
 
-static inline double DegToRad(double deg) { return (deg * M_PI) / 180.0; }
-static inline double RadToDeg(double deg) { return (deg * 180.0) / M_PI; }
+// translate a wxColour to a Color
+inline Color wxColourToColor(const wxColour& col)
+{
+    return Color(col.Alpha(), col.Red(), col.Green(), col.Blue());
+}
+
+} // anonymous namespace
 
 //-----------------------------------------------------------------------------
 // device context implementation
@@ -73,75 +96,15 @@ static inline double RadToDeg(double deg) { return (deg * 180.0) / M_PI; }
 // wxGraphicsPath implementation
 //-----------------------------------------------------------------------------
 
-#include "wx/msw/private.h" // needs to be before #include <commdlg.h>
-
-#if wxUSE_COMMON_DIALOGS && !defined(__WXMICROWIN__)
-#include <commdlg.h>
-#endif
-
-// TODO remove this dependency (gdiplus needs the macros)
-
-#ifndef max
-#define max(a,b)            (((a) > (b)) ? (a) : (b))
-#endif
-
-#ifndef min
-#define min(a,b)            (((a) < (b)) ? (a) : (b))
-#endif
-
-#include "gdiplus.h"
-using namespace Gdiplus;
-
-class GDILoader
-{
-public :
-    GDILoader() 
-    {
-        m_loaded = false;
-        m_gditoken = NULL;
-    }
-
-    ~GDILoader()
-    {
-        if (m_loaded)
-        {
-            Unload();
-        }
-    }
-    void EnsureIsLoaded()
-    {
-        if (!m_loaded)
-        {
-            Load();
-        }
-    }
-    void Load()
-    {
-        GdiplusStartupInput input;
-        GdiplusStartupOutput output;
-        GdiplusStartup(&m_gditoken,&input,&output);
-        m_loaded = true;
-    }
-    void Unload()
-    {
-        if ( m_gditoken )
-            GdiplusShutdown(m_gditoken);
-    }
-private :
-    bool m_loaded;
-    DWORD m_gditoken;
-
-};
-
-static GDILoader gGDILoader;
+class wxGDIPlusContext;
 
-class WXDLLEXPORT wxGDIPlusPath : public wxGraphicsPath
+class wxGDIPlusPathData : public wxGraphicsPathData
 {
-    DECLARE_NO_COPY_CLASS(wxGDIPlusPath)
 public :
-    wxGDIPlusPath();
-    ~wxGDIPlusPath();
+    wxGDIPlusPathData(wxGraphicsRenderer* renderer, GraphicsPath* path = NULL);
+    ~wxGDIPlusPathData();
 
+    virtual wxGraphicsObjectRefData *Clone() const;
 
     //
     // These are the path primitives from which everything else can be constructed
@@ -150,28 +113,31 @@ public :
     // begins a new subpath at (x,y)
     virtual void MoveToPoint( wxDouble x, wxDouble y );
 
-    // adds a straight line from the current point to (x,y) 
+    // 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 );
 
 
-    // adds an arc of a circle centering at (x,y) with radius (r) from startAngle to endAngle 
+    // 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 ) ;
 
     // gets the last point of the current path, (0,0) if not yet set
-    virtual void GetCurrentPoint( wxDouble& x, wxDouble&y) ;
+    virtual void GetCurrentPoint( wxDouble* x, wxDouble* y) const;
+
+    // adds another path
+    virtual void AddPath( const wxGraphicsPathData* path );
 
     // closes the current sub-path
     virtual void CloseSubpath();
 
     //
-    // These are convenience functions which - if not available natively will be assembled 
+    // These are convenience functions which - if not available natively will be assembled
     // using the primitives from above
     //
 
-    // appends a rectangle as a new closed subpath 
+    // appends a rectangle as a new closed subpath
     virtual void AddRectangle( wxDouble x, wxDouble y, wxDouble w, wxDouble h ) ;
     /*
 
@@ -182,304 +148,457 @@ public :
     virtual void AddArcToPoint( wxDouble x1, wxDouble y1 , wxDouble x2, wxDouble y2, wxDouble r )  ;
 */
 
-    GraphicsPath* GetPath() const;
+    // 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 * WXUNUSED(path)) const {}
+
+    // transforms each point of this path by the matrix
+    virtual void Transform( const wxGraphicsMatrixData* matrix ) ;
+
+    // gets the bounding box enclosing all points (possibly including control points)
+    virtual void GetBox(wxDouble *x, wxDouble *y, wxDouble *w, wxDouble *h) const;
+
+    virtual bool Contains( wxDouble x, wxDouble y, wxPolygonFillMode fillStyle = wxODDEVEN_RULE) const;
+
 private :
     GraphicsPath* m_path;
 };
 
-class WXDLLEXPORT wxGDIPlusContext : public wxGraphicsContext
+class wxGDIPlusMatrixData : public wxGraphicsMatrixData
 {
-    DECLARE_NO_COPY_CLASS(wxGDIPlusContext)
+public :
+    wxGDIPlusMatrixData(wxGraphicsRenderer* renderer, Matrix* matrix = NULL) ;
+    virtual ~wxGDIPlusMatrixData() ;
 
-public:
-    wxGDIPlusContext( WXHDC hdc );
-    wxGDIPlusContext();
-    virtual ~wxGDIPlusContext();
+    virtual wxGraphicsObjectRefData* Clone() const ;
 
-    virtual void Clip( const wxRegion &region );
-    virtual void StrokePath( const wxGraphicsPath *p );
-    virtual void FillPath( const wxGraphicsPath *p , int fillStyle = wxWINDING_RULE );
+    // concatenates the matrix
+    virtual void Concat( const wxGraphicsMatrixData *t );
 
-    virtual wxGraphicsPath* CreatePath();
-    virtual void SetPen( const wxPen &pen );
-    virtual void SetBrush( const wxBrush &brush );
-    virtual void SetLinearGradientBrush( wxDouble x1, wxDouble y1, wxDouble x2, wxDouble y2, const wxColour&c1, const wxColour&c2) ;
-    virtual void SetRadialGradientBrush( wxDouble xo, wxDouble yo, wxDouble xc, wxDouble yc, wxDouble radius,
-        const wxColour &oColor, const wxColour &cColor);
+    // 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);
 
-    virtual void Translate( wxDouble dx , wxDouble dy );    
-    virtual void Scale( wxDouble xScale , wxDouble yScale );    
-    virtual void Rotate( wxDouble angle );    
+    // gets the component valuess of the matrix
+    virtual void Get(wxDouble* a=NULL, wxDouble* b=NULL,  wxDouble* c=NULL,
+                     wxDouble* d=NULL, wxDouble* tx=NULL, wxDouble* ty=NULL) const;
 
-    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 );
-    virtual void PushState();    
-    virtual void PopState();
+    // makes this the inverse matrix
+    virtual void Invert();
 
-    virtual void SetFont( const wxFont &font );
-    virtual void SetTextColor( const wxColour &col );    
-    virtual void DrawText( const wxString &str, wxDouble x, wxDouble y);
-    virtual void GetTextExtent( const wxString &str, wxDouble *width, wxDouble *height,
-        wxDouble *descent, wxDouble *externalLeading ) const;
-    virtual void GetPartialTextExtents(const wxString& text, wxArrayDouble& widths) const;
+    // returns true if the elements of the transformation matrix are equal ?
+    virtual bool IsEqual( const wxGraphicsMatrixData* t) const ;
+
+    // return true if this is the identity matrix
+    virtual bool IsIdentity() const;
+
+    //
+    // transformation
+    //
+
+    // add the translation to this matrix
+    virtual void Translate( wxDouble dx , wxDouble dy );
+
+    // 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 );
+
+    //
+    // apply the transforms
+    //
+
+    // applies that matrix to the point
+    virtual void TransformPoint( wxDouble *x, wxDouble *y ) const;
 
+    // applies the matrix except for translations
+    virtual void TransformDistance( wxDouble *dx, wxDouble *dy ) const;
+
+    // returns the native representation
+    virtual void * GetNativeMatrix() const;
 private:
-    Graphics* m_context;
-    vector<GraphicsState> m_stateStack;
-    GraphicsState m_state1;
-    GraphicsState m_state2;
+    Matrix* m_matrix ;
+} ;
+
+class wxGDIPlusPenData : public wxGraphicsObjectRefData
+{
+public:
+    wxGDIPlusPenData( wxGraphicsRenderer* renderer, const wxPen &pen );
+    ~wxGDIPlusPenData();
+
+    void Init();
 
+    virtual wxDouble GetWidth() { return m_width; }
+    virtual Pen* GetGDIPlusPen() { return m_pen; }
+
+protected :
     Pen* m_pen;
-    bool m_penTransparent;
     Image* m_penImage;
     Brush* m_penBrush;
- 
+
+    wxDouble m_width;
+};
+
+class wxGDIPlusBrushData : public wxGraphicsObjectRefData
+{
+public:
+    wxGDIPlusBrushData( wxGraphicsRenderer* renderer );
+    wxGDIPlusBrushData( wxGraphicsRenderer* renderer, const wxBrush &brush );
+    ~wxGDIPlusBrushData ();
+
+    void CreateLinearGradientBrush(wxDouble x1, wxDouble y1,
+                                   wxDouble x2, wxDouble y2,
+                                   const wxGraphicsGradientStops& stops);
+    void CreateRadialGradientBrush(wxDouble xo, wxDouble yo,
+                                   wxDouble xc, wxDouble yc,
+                                   wxDouble radius,
+                                   const wxGraphicsGradientStops& stops);
+
+    virtual Brush* GetGDIPlusBrush() { return m_brush; }
+
+protected:
+    virtual void Init();
+
+private:
+    // common part of Create{Linear,Radial}GradientBrush()
+    template <typename T>
+    void SetGradientStops(T *brush, const wxGraphicsGradientStops& stops);
+
     Brush* m_brush;
-    bool m_brushTransparent;
     Image* m_brushImage;
     GraphicsPath* m_brushPath;
+};
+
+class WXDLLIMPEXP_CORE wxGDIPlusBitmapData : public wxGraphicsObjectRefData
+{
+public:
+    wxGDIPlusBitmapData( wxGraphicsRenderer* renderer, Bitmap* bitmap );
+    wxGDIPlusBitmapData( wxGraphicsRenderer* renderer, const wxBitmap &bmp );
+    ~wxGDIPlusBitmapData ();
+
+    virtual Bitmap* GetGDIPlusBitmap() { return m_bitmap; }
+
+#if wxUSE_IMAGE
+    wxImage ConvertToImage() const;
+#endif // wxUSE_IMAGE
+
+private :
+    Bitmap* m_bitmap;
+    Bitmap* m_helper;
+};
+
+class wxGDIPlusFontData : public wxGraphicsObjectRefData
+{
+public:
+    wxGDIPlusFontData( wxGraphicsRenderer* renderer,
+                       const wxFont &font,
+                       const wxColour& col );
+    wxGDIPlusFontData(wxGraphicsRenderer* renderer,
+                      const wxString& name,
+                      REAL sizeInPixels,
+                      int style,
+                      const wxColour& col);
+    ~wxGDIPlusFontData();
+
+    virtual Brush* GetGDIPlusBrush() { return m_textBrush; }
+    virtual Font* GetGDIPlusFont() { return m_font; }
+
+private :
+    // Common part of all ctors, flags here is a combination of values of
+    // FontStyle GDI+ enum.
+    void Init(const wxString& name,
+              REAL size,
+              int style,
+              const wxColour& col,
+              Unit fontUnit);
 
     Brush* m_textBrush;
     Font* m_font;
-    // wxPen m_pen;
-    // wxBrush m_brush;
 };
 
-wxGDIPlusPath::wxGDIPlusPath()
+class wxGDIPlusContext : public wxGraphicsContext
 {
-    m_path = new GraphicsPath();
-}
+public:
+    wxGDIPlusContext( wxGraphicsRenderer* renderer, const wxDC& dc );
+    wxGDIPlusContext( wxGraphicsRenderer* renderer, HDC hdc, wxDouble width, wxDouble height );
+    wxGDIPlusContext( wxGraphicsRenderer* renderer, HWND hwnd );
+    wxGDIPlusContext( wxGraphicsRenderer* renderer, Graphics* gr);
+    wxGDIPlusContext(wxGraphicsRenderer* renderer);
 
-wxGDIPlusPath::~wxGDIPlusPath()
-{
-    delete m_path;
-}
+    virtual ~wxGDIPlusContext();
 
-GraphicsPath* wxGDIPlusPath::GetPath() const
-{
-    return m_path;
-}
+    virtual void Clip( const wxRegion &region );
+    // clips drawings to the rect
+    virtual void Clip( wxDouble x, wxDouble y, wxDouble w, wxDouble h );
 
-//
-// The Primitives
-//
+    // resets the clipping to original extent
+    virtual void ResetClip();
 
-void wxGDIPlusPath::MoveToPoint( wxDouble x , wxDouble y )
-{
-    m_path->StartFigure();
-    m_path->AddLine((REAL) x,(REAL) y,(REAL) x,(REAL) y);
-}
+    virtual void * GetNativeContext();
 
-void wxGDIPlusPath::AddLineToPoint( wxDouble x , wxDouble y )
-{
-    m_path->AddLine((REAL) x,(REAL) y,(REAL) x,(REAL) y);
-}
+    virtual void StrokePath( const wxGraphicsPath& p );
+    virtual void FillPath( const wxGraphicsPath& p , wxPolygonFillMode fillStyle = wxODDEVEN_RULE );
 
-void wxGDIPlusPath::CloseSubpath()
-{
-    m_path->CloseFigure();
-}
+    virtual void DrawRectangle( wxDouble x, wxDouble y, wxDouble w, wxDouble h ); 
 
-void wxGDIPlusPath::AddCurveToPoint( wxDouble cx1, wxDouble cy1, wxDouble cx2, wxDouble cy2, wxDouble x, wxDouble y )
-{
-    PointF c1(cx1,cy1);
-    PointF c2(cx2,cy2);
-    PointF end(x,y);
-    PointF start;
-    m_path->GetLastPoint(&start);
-    m_path->AddBezier(start,c1,c2,end);
-}
+    // stroke lines connecting each of the points
+    virtual void StrokeLines( size_t n, const wxPoint2DDouble *points);
 
-// gets the last point of the current path, (0,0) if not yet set
-void wxGDIPlusPath::GetCurrentPoint( wxDouble& x, wxDouble&y) 
-{
-    PointF start;
-    m_path->GetLastPoint(&start);
-    x = start.X ;
-    y = start.Y ;
-}
+    // draws a polygon
+    virtual void DrawLines( size_t n, const wxPoint2DDouble *points, wxPolygonFillMode fillStyle = wxODDEVEN_RULE );
 
-void wxGDIPlusPath::AddArc( wxDouble x, wxDouble y, wxDouble r, double startAngle, double endAngle, bool clockwise ) 
-{
-    double sweepAngle = endAngle - startAngle ;
-    if( abs(sweepAngle) >= 2*M_PI)
-    {
-        sweepAngle = 2 * M_PI;
-    }
-    else
-    {
-        if ( clockwise )
-        {
-            if( sweepAngle < 0 )
-                sweepAngle += 2 * M_PI;
-        }
-        else
-        {
-            if( sweepAngle > 0 )
-                sweepAngle -= 2 * M_PI;
+    virtual bool SetAntialiasMode(wxAntialiasMode antialias);
 
-        }
-   }
-   m_path->AddArc((REAL) (x-r),(REAL) (y-r),(REAL) (2*r),(REAL) (2*r),RadToDeg(startAngle),RadToDeg(sweepAngle)); 
-}
+    virtual bool SetInterpolationQuality(wxInterpolationQuality interpolation);
+    
+    virtual bool SetCompositionMode(wxCompositionMode op);
 
-void wxGDIPlusPath::AddRectangle( wxDouble x, wxDouble y, wxDouble w, wxDouble h )
-{
-    m_path->AddRectangle(RectF(x,y,w,h));
-}
+    virtual void BeginLayer(wxDouble opacity);
 
-//
-//
-//
-/*
-// closes the current subpath
-void wxGDIPlusPath::AddArcToPoint( wxDouble x1, wxDouble y1 , wxDouble x2, wxDouble y2, wxDouble r ) 
-{
-//    CGPathAddArcToPoint( m_path, NULL , x1, y1, x2, y2, r); 
-}
+    virtual void EndLayer();
 
-*/
+    virtual void Translate( wxDouble dx , wxDouble dy );
+    virtual void Scale( wxDouble xScale , wxDouble yScale );
+    virtual void Rotate( wxDouble angle );
 
-//-----------------------------------------------------------------------------
-// wxGDIPlusContext implementation
-//-----------------------------------------------------------------------------
+    // concatenates this transform with the current transform of this context
+    virtual void ConcatTransform( const wxGraphicsMatrix& matrix );
 
-wxGDIPlusContext::wxGDIPlusContext( WXHDC hdc  )
-{
-    gGDILoader.EnsureIsLoaded();
-    m_context = new Graphics( (HDC) hdc);
-    m_context->SetSmoothingMode(SmoothingModeHighQuality);
-    m_state1 = m_context->Save();
-    m_state2 = m_context->Save();
+    // sets the transform of this context
+    virtual void SetTransform( const wxGraphicsMatrix& matrix );
 
-    // set defaults
+    // gets the matrix of this context
+    virtual wxGraphicsMatrix GetTransform() const;
 
-    m_penTransparent = false;
-    m_pen = new Pen((ARGB)Color::Black);
-    m_penImage = NULL;
-    m_penBrush = NULL;
+    virtual void DrawBitmap( const wxGraphicsBitmap &bmp, wxDouble x, wxDouble y, wxDouble w, wxDouble h );
+    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 );
+    virtual void PushState();
+    virtual void PopState();
 
-    m_brushTransparent = false;
-    m_brush = new SolidBrush((ARGB)Color::White);
-    m_brushImage = NULL;
-    m_brushPath = NULL;
-    m_textBrush = new SolidBrush((ARGB)Color::Black);
-    m_font = new Font( L"Arial" , 9 , FontStyleRegular );
-}
+    virtual void GetTextExtent( const wxString &str, wxDouble *width, wxDouble *height,
+        wxDouble *descent, wxDouble *externalLeading ) const;
+    virtual void GetPartialTextExtents(const wxString& text, wxArrayDouble& widths) const;
+    virtual bool ShouldOffset() const;
+    virtual void GetSize( wxDouble* width, wxDouble *height );
 
-wxGDIPlusContext::~wxGDIPlusContext()
-{
-    if ( m_context )
-    {
-        m_context->Restore( m_state2 );
-        m_context->Restore( m_state1 );
-        delete m_context;
-        delete m_pen;
-        delete m_penImage;
-        delete m_penBrush;
-        delete m_brush;
-        delete m_brushImage;
-        delete m_brushPath;
-        delete m_textBrush;
-        delete m_font;
-    }
-}
+    Graphics* GetGraphics() const { return m_context; }
 
+protected:
 
-void wxGDIPlusContext::Clip( const wxRegion & WXUNUSED(region) )
-{
-//    ClipCGContextToRegion ( m_context, &bounds , (RgnHandle) dc->m_macCurrentClipRgn );
-}
+    wxDouble m_fontScaleRatio;
 
-void wxGDIPlusContext::StrokePath( const wxGraphicsPath *p )
-{
-    if ( m_penTransparent )
-        return;
+    // Used from ctors (including those in the derived classes) and takes
+    // ownership of the graphics pointer that must be non-NULL.
+    void Init(Graphics* graphics, int width, int height);
 
-    const wxGDIPlusPath* path = dynamic_cast< const wxGDIPlusPath*>( p );
-    m_context->DrawPath( m_pen , path->GetPath() );
-}
+private:
+    virtual void DoDrawText(const wxString& str, wxDouble x, wxDouble y)
+        { DoDrawFilledText(str, x, y, wxNullGraphicsBrush); }
+    virtual void DoDrawFilledText(const wxString& str, wxDouble x, wxDouble y,
+                                  const wxGraphicsBrush& backgroundBrush);
+
+    Graphics* m_context;
+    wxStack<GraphicsState> m_stateStack;
+    GraphicsState m_state1;
+    GraphicsState m_state2;
+
+    wxDECLARE_NO_COPY_CLASS(wxGDIPlusContext);
+};
+
+#if wxUSE_IMAGE
 
-void wxGDIPlusContext::FillPath( const wxGraphicsPath *p , int fillStyle )
+class wxGDIPlusImageContext : public wxGDIPlusContext
 {
-    if ( !m_brushTransparent )
+public:
+    wxGDIPlusImageContext(wxGraphicsRenderer* renderer, wxImage& image) :
+        wxGDIPlusContext(renderer),
+        m_image(image),
+        m_bitmap(renderer, image)
     {
-        const wxGDIPlusPath* path = dynamic_cast< const wxGDIPlusPath*>( p );
-        path->GetPath()->SetFillMode( fillStyle == wxODDEVEN_RULE ? FillModeAlternate : FillModeWinding);
-        m_context->FillPath( m_brush , path->GetPath() );
+        Init
+        (
+            new Graphics(m_bitmap.GetGDIPlusBitmap()),
+            image.GetWidth(),
+            image.GetHeight()
+        );
     }
-}
 
-wxGraphicsPath* wxGDIPlusContext::CreatePath()
-{
-    return new wxGDIPlusPath();
-}
+    virtual ~wxGDIPlusImageContext()
+    {
+        m_image = m_bitmap.ConvertToImage();
+    }
 
-void wxGDIPlusContext::Rotate( wxDouble angle ) 
-{
-    m_context->RotateTransform( angle );
-}
+private:
+    wxImage& m_image;
+    wxGDIPlusBitmapData m_bitmap;
 
-void wxGDIPlusContext::Translate( wxDouble dx , wxDouble dy ) 
-{
-    m_context->TranslateTransform( dx , dy );
-}
+    wxDECLARE_NO_COPY_CLASS(wxGDIPlusImageContext);
+};
 
-void wxGDIPlusContext::Scale( wxDouble xScale , wxDouble yScale )
+#endif // wxUSE_IMAGE
+
+class wxGDIPlusMeasuringContext : public wxGDIPlusContext
 {
-    PointF penWidth( m_pen->GetWidth(), 0);
-    Matrix matrix ;
-    if ( !m_penTransparent )
+public:
+    wxGDIPlusMeasuringContext( wxGraphicsRenderer* renderer ) : wxGDIPlusContext( renderer , m_hdc = GetDC(NULL), 1000, 1000 )
     {
-            m_context->GetTransform(&matrix);
-            matrix.TransformVectors(&penWidth);
     }
-    m_context->ScaleTransform(xScale,yScale);
-    if ( !m_penTransparent )
+
+    virtual ~wxGDIPlusMeasuringContext()
     {
-        m_context->GetTransform(&matrix);
-        matrix.Invert();
-        matrix.TransformVectors(&penWidth) ;
-        m_pen->SetWidth( sqrt( penWidth.X*penWidth.X  + penWidth.Y*penWidth.Y));
+        ReleaseDC( NULL, m_hdc );
     }
-}
 
-void wxGDIPlusContext::PushState()
-{
-    GraphicsState state = m_context->Save();
-    m_stateStack.push_back(state);
-}
+private:
+    HDC m_hdc ;
+} ;
 
-void wxGDIPlusContext::PopState() 
+class wxGDIPlusPrintingContext : public wxGDIPlusContext
 {
-    GraphicsState state = m_stateStack.back();
-    m_stateStack.pop_back();
-    m_context->Restore(state);
-}
+public:
+    wxGDIPlusPrintingContext( wxGraphicsRenderer* renderer, const wxDC& dc );
+    virtual ~wxGDIPlusPrintingContext() { }
+protected:
+};
 
-void wxGDIPlusContext::SetTextColor( const wxColour &col ) 
-{
-    delete m_textBrush;
-    m_textBrush = new SolidBrush( Color( col.Alpha() , col.Red() ,
-        col.Green() , col.Blue() ));
-}
+//-----------------------------------------------------------------------------
+// wxGDIPlusRenderer declaration
+//-----------------------------------------------------------------------------
 
-void wxGDIPlusContext::SetPen( const wxPen &pen )
+class wxGDIPlusRenderer : public wxGraphicsRenderer
 {
-    m_penTransparent = pen.GetStyle() == wxTRANSPARENT;
-    if ( m_penTransparent )
-        return;
-    
-    m_pen->SetColor( Color( pen.GetColour().Alpha() , pen.GetColour().Red() ,
-        pen.GetColour().Green() , pen.GetColour().Blue() ) );
-
-    // TODO: * m_dc->m_scaleX
-    double penWidth = pen.GetWidth();
-    if (penWidth <= 0.0)
-        penWidth = 0.1;
+public :
+    wxGDIPlusRenderer()
+    {
+        m_loaded = -1;
+        m_gditoken = 0;
+    }
+
+    virtual ~wxGDIPlusRenderer()
+    {
+        if ( m_loaded == 1 )
+        {
+            Unload();
+        }
+    }
+
+    // Context
+
+    virtual wxGraphicsContext * CreateContext( const wxWindowDC& dc);
+
+    virtual wxGraphicsContext * CreateContext( const wxMemoryDC& dc);
+
+#if wxUSE_PRINTING_ARCHITECTURE
+    virtual wxGraphicsContext * CreateContext( const wxPrinterDC& dc);
+#endif
+
+#if wxUSE_ENH_METAFILE
+    virtual wxGraphicsContext * CreateContext( const wxEnhMetaFileDC& dc);
+#endif
+
+    virtual wxGraphicsContext * CreateContextFromNativeContext( void * context );
+
+    virtual wxGraphicsContext * CreateContextFromNativeWindow( void * window );
+
+    virtual wxGraphicsContext * CreateContext( wxWindow* window );
+
+#if wxUSE_IMAGE
+    virtual wxGraphicsContext * CreateContextFromImage(wxImage& image);
+#endif // wxUSE_IMAGE
+
+    virtual wxGraphicsContext * CreateMeasuringContext();
+
+    // 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 ) ;
+
+    virtual wxGraphicsBrush
+    CreateLinearGradientBrush(wxDouble x1, wxDouble y1,
+                              wxDouble x2, wxDouble y2,
+                              const wxGraphicsGradientStops& stops);
+
+    virtual wxGraphicsBrush
+    CreateRadialGradientBrush(wxDouble xo, wxDouble yo,
+                              wxDouble xc, wxDouble yc,
+                              wxDouble radius,
+                              const wxGraphicsGradientStops& stops);
+
+    // create a native bitmap representation
+    virtual wxGraphicsBitmap CreateBitmap( const wxBitmap &bitmap );
+#if wxUSE_IMAGE
+    virtual wxGraphicsBitmap CreateBitmapFromImage(const wxImage& image);
+    virtual wxImage CreateImageFromBitmap(const wxGraphicsBitmap& bmp);
+#endif // wxUSE_IMAGE
+
+    virtual wxGraphicsFont CreateFont( const wxFont& font,
+                                       const wxColour& col);
+
+    virtual wxGraphicsFont CreateFont(double size,
+                                      const wxString& facename,
+                                      int flags = wxFONTFLAG_DEFAULT,
+                                      const wxColour& col = *wxBLACK);
+
+    // create a graphics bitmap from a native bitmap
+    virtual wxGraphicsBitmap CreateBitmapFromNativeBitmap( void* bitmap );
+
+    // create a subimage from a native image representation
+    virtual wxGraphicsBitmap CreateSubBitmap( const wxGraphicsBitmap &bitmap, wxDouble x, wxDouble y, wxDouble w, wxDouble h  );
+
+protected :
+    bool EnsureIsLoaded();
+    void Load();
+    void Unload();
+    friend class wxGDIPlusRendererModule;
+
+private :
+    int m_loaded;
+    ULONG_PTR m_gditoken;
+
+    DECLARE_DYNAMIC_CLASS_NO_COPY(wxGDIPlusRenderer)
+} ;
+
+//-----------------------------------------------------------------------------
+// wxGDIPlusPen implementation
+//-----------------------------------------------------------------------------
+
+wxGDIPlusPenData::~wxGDIPlusPenData()
+{
+    delete m_pen;
+    delete m_penImage;
+    delete m_penBrush;
+}
+
+void wxGDIPlusPenData::Init()
+{
+    m_pen = NULL ;
+    m_penImage = NULL;
+    m_penBrush = NULL;
+}
+
+wxGDIPlusPenData::wxGDIPlusPenData( wxGraphicsRenderer* renderer, const wxPen &pen )
+: wxGraphicsObjectRefData(renderer)
+{
+    Init();
+    m_width = pen.GetWidth();
+    if (m_width <= 0.0)
+        m_width = 0.1;
+
+    m_pen = new Pen(wxColourToColor(pen.GetColour()), m_width );
 
-    m_pen->SetWidth(penWidth);
-    
     LineCap cap;
     switch ( pen.GetCap() )
     {
@@ -520,7 +639,7 @@ void wxGDIPlusContext::SetPen( const wxPen &pen )
         join = LineJoinMiter;
         break;
     }
-    
+
     m_pen->SetLineJoin(join);
 
     m_pen->SetDashStyle(DashStyleSolid);
@@ -528,25 +647,25 @@ void wxGDIPlusContext::SetPen( const wxPen &pen )
     DashStyle dashStyle = DashStyleSolid;
     switch ( pen.GetStyle() )
     {
-    case wxSOLID :
+    case wxPENSTYLE_SOLID :
         break;
 
-    case wxDOT :
+    case wxPENSTYLE_DOT :
         dashStyle = DashStyleDot;
         break;
 
-    case wxLONG_DASH :
+    case wxPENSTYLE_LONG_DASH :
         dashStyle = DashStyleDash; // TODO verify
         break;
 
-    case wxSHORT_DASH :
+    case wxPENSTYLE_SHORT_DASH :
         dashStyle = DashStyleDash;
         break;
 
-    case wxDOT_DASH :
+    case wxPENSTYLE_DOT_DASH :
         dashStyle = DashStyleDashDot;
         break;
-    case wxUSER_DASH :
+    case wxPENSTYLE_USER_DASH :
         {
             dashStyle = DashStyleCustom;
             wxDash *dashes;
@@ -563,14 +682,18 @@ void wxGDIPlusContext::SetPen( const wxPen &pen )
             }
         }
         break;
-    case wxSTIPPLE :
+    case wxPENSTYLE_STIPPLE :
         {
             wxBitmap* bmp = pen.GetStipple();
-            if ( bmp && bmp->Ok() )
+            if ( bmp && bmp->IsOk() )
             {
-                wxDELETE( m_penImage );
-                wxDELETE( m_penBrush );
-                m_penImage = Bitmap::FromHBITMAP((HBITMAP)bmp->GetHBITMAP(),(HPALETTE)bmp->GetPalette()->GetHPALETTE());
+                m_penImage = Bitmap::FromHBITMAP((HBITMAP)bmp->GetHBITMAP(),
+#if wxUSE_PALETTE
+                    (HPALETTE)bmp->GetPalette()->GetHPALETTE()
+#else
+                    NULL
+#endif
+                );
                 m_penBrush = new TextureBrush(m_penImage);
                 m_pen->SetBrush( m_penBrush );
             }
@@ -578,144 +701,272 @@ void wxGDIPlusContext::SetPen( const wxPen &pen )
         }
         break;
     default :
-        if ( pen.GetStyle() >= wxFIRST_HATCH && pen.GetStyle() <= wxLAST_HATCH )
+        if ( pen.GetStyle() >= wxPENSTYLE_FIRST_HATCH &&
+             pen.GetStyle() <= wxPENSTYLE_LAST_HATCH )
         {
-            wxDELETE( m_penBrush );
-            HatchStyle style = HatchStyleHorizontal;
+            HatchStyle style;
             switch( pen.GetStyle() )
             {
-            case wxBDIAGONAL_HATCH :
+            case wxPENSTYLE_BDIAGONAL_HATCH :
                 style = HatchStyleBackwardDiagonal;
                 break ;
-            case wxCROSSDIAG_HATCH :
+            case wxPENSTYLE_CROSSDIAG_HATCH :
                 style = HatchStyleDiagonalCross;
                 break ;
-            case wxFDIAGONAL_HATCH :
+            case wxPENSTYLE_FDIAGONAL_HATCH :
                 style = HatchStyleForwardDiagonal;
                 break ;
-            case wxCROSS_HATCH :
+            case wxPENSTYLE_CROSS_HATCH :
                 style = HatchStyleCross;
                 break ;
-            case wxHORIZONTAL_HATCH :
+            case wxPENSTYLE_HORIZONTAL_HATCH :
                 style = HatchStyleHorizontal;
                 break ;
-            case wxVERTICAL_HATCH :
+            case wxPENSTYLE_VERTICAL_HATCH :
                 style = HatchStyleVertical;
                 break ;
-
+            default:
+                style = HatchStyleHorizontal;
             }
-            m_penBrush = new HatchBrush(style,Color( pen.GetColour().Alpha() , pen.GetColour().Red() ,
-                pen.GetColour().Green() , pen.GetColour().Blue() ), Color::Transparent );
+            m_penBrush = new HatchBrush
+                             (
+                                style,
+                                wxColourToColor(pen.GetColour()),
+                                Color::Transparent
+                             );
             m_pen->SetBrush( m_penBrush );
         }
         break;
-    } 
+    }
     if ( dashStyle != DashStyleSolid )
         m_pen->SetDashStyle(dashStyle);
 }
 
-void wxGDIPlusContext::SetBrush( const wxBrush &brush )
-{
-//    m_brush = brush;
-    if ( m_context == NULL )
-        return;
-
-    m_brushTransparent = brush.GetStyle() == wxTRANSPARENT;
-
-    if ( m_brushTransparent )
-        return;
+//-----------------------------------------------------------------------------
+// wxGDIPlusBrush implementation
+//-----------------------------------------------------------------------------
 
-    wxDELETE(m_brush);
+wxGDIPlusBrushData::wxGDIPlusBrushData( wxGraphicsRenderer* renderer )
+: wxGraphicsObjectRefData(renderer)
+{
+    Init();
+}
 
+wxGDIPlusBrushData::wxGDIPlusBrushData( wxGraphicsRenderer* renderer , const wxBrush &brush )
+: wxGraphicsObjectRefData(renderer)
+{
+    Init();
     if ( brush.GetStyle() == wxSOLID)
     {
-        m_brush = new SolidBrush( Color( brush.GetColour().Alpha() , brush.GetColour().Red() ,
-            brush.GetColour().Green() , brush.GetColour().Blue() ) );
+        m_brush = new SolidBrush(wxColourToColor( brush.GetColour()));
     }
     else if ( brush.IsHatch() )
     {
-        HatchStyle style = HatchStyleHorizontal;
+        HatchStyle style;
         switch( brush.GetStyle() )
         {
-        case wxBDIAGONAL_HATCH :
+        case wxBRUSHSTYLE_BDIAGONAL_HATCH :
             style = HatchStyleBackwardDiagonal;
             break ;
-        case wxCROSSDIAG_HATCH :
+        case wxBRUSHSTYLE_CROSSDIAG_HATCH :
             style = HatchStyleDiagonalCross;
             break ;
-        case wxFDIAGONAL_HATCH :
+        case wxBRUSHSTYLE_FDIAGONAL_HATCH :
             style = HatchStyleForwardDiagonal;
             break ;
-        case wxCROSS_HATCH :
+        case wxBRUSHSTYLE_CROSS_HATCH :
             style = HatchStyleCross;
             break ;
-        case wxHORIZONTAL_HATCH :
+        case wxBRUSHSTYLE_HORIZONTAL_HATCH :
             style = HatchStyleHorizontal;
             break ;
-        case wxVERTICAL_HATCH :
+        case wxBRUSHSTYLE_VERTICAL_HATCH :
             style = HatchStyleVertical;
             break ;
-
+        default:
+            style = HatchStyleHorizontal;
         }
-        m_brush = new HatchBrush(style,Color( brush.GetColour().Alpha() , brush.GetColour().Red() ,
-            brush.GetColour().Green() , brush.GetColour().Blue() ), Color::Transparent );
+        m_brush = new HatchBrush
+                      (
+                        style,
+                        wxColourToColor(brush.GetColour()),
+                        Color::Transparent
+                      );
     }
-    else 
+    else
     {
         wxBitmap* bmp = brush.GetStipple();
-        if ( bmp && bmp->Ok() )
+        if ( bmp && bmp->IsOk() )
         {
             wxDELETE( m_brushImage );
-            m_brushImage = Bitmap::FromHBITMAP((HBITMAP)bmp->GetHBITMAP(),(HPALETTE)bmp->GetPalette()->GetHPALETTE());
+            m_brushImage = Bitmap::FromHBITMAP((HBITMAP)bmp->GetHBITMAP(),
+#if wxUSE_PALETTE
+                (HPALETTE)bmp->GetPalette()->GetHPALETTE()
+#else
+                NULL
+#endif
+            );
             m_brush = new TextureBrush(m_brushImage);
         }
     }
 }
 
-void wxGDIPlusContext::SetLinearGradientBrush( wxDouble x1, wxDouble y1, wxDouble x2, wxDouble y2, const wxColour&c1, const wxColour&c2) 
+wxGDIPlusBrushData::~wxGDIPlusBrushData()
+{
+    delete m_brush;
+    delete m_brushImage;
+    delete m_brushPath;
+};
+
+void wxGDIPlusBrushData::Init()
+{
+    m_brush = NULL;
+    m_brushImage= NULL;
+    m_brushPath= NULL;
+}
+
+template <typename T>
+void
+wxGDIPlusBrushData::SetGradientStops(T *brush,
+        const wxGraphicsGradientStops& stops)
 {
-    m_brushTransparent = false ;
+    const unsigned numStops = stops.GetCount();
+    if ( numStops <= 2 )
+    {
+        // initial and final colours are set during the brush creation, nothing
+        // more to do
+        return;
+    }
+
+    wxVector<Color> colors(numStops);
+    wxVector<REAL> positions(numStops);
 
-    wxDELETE(m_brush);
+    for ( unsigned i = 0; i < numStops; i++ )
+    {
+        wxGraphicsGradientStop stop = stops.Item(i);
+
+        colors[i] = wxColourToColor(stop.GetColour());
+        positions[i] = stop.GetPosition();
+    }
 
-    m_brush = new LinearGradientBrush( PointF( x1,y1) , PointF( x2,y2),
-        Color( c1.Alpha(), c1.Red(),c1.Green() , c1.Blue() ),
-        Color( c2.Alpha(), c2.Red(),c2.Green() , c2.Blue() ));
+    brush->SetInterpolationColors(&colors[0], &positions[0], numStops);
 }
 
-void wxGDIPlusContext::SetRadialGradientBrush( wxDouble xo, wxDouble yo, wxDouble xc, wxDouble yc, wxDouble radius,
-                                    const wxColour &oColor, const wxColour &cColor)
+void
+wxGDIPlusBrushData::CreateLinearGradientBrush(wxDouble x1, wxDouble y1,
+                                              wxDouble x2, wxDouble y2,
+                                              const wxGraphicsGradientStops& stops)
 {
-    m_brushTransparent = false ;
+    LinearGradientBrush * const
+        brush = new LinearGradientBrush(PointF(x1, y1) , PointF(x2, y2),
+                                        wxColourToColor(stops.GetStartColour()),
+                                        wxColourToColor(stops.GetEndColour()));
+    m_brush =  brush;
 
-    wxDELETE(m_brush);
-    wxDELETE(m_brushPath);
+    SetGradientStops(brush, stops);
+}
 
-    // Create a path that consists of a single circle.
+void
+wxGDIPlusBrushData::CreateRadialGradientBrush(wxDouble xo, wxDouble yo,
+                                              wxDouble xc, wxDouble yc,
+                                              wxDouble radius,
+                                              const wxGraphicsGradientStops& stops)
+{
     m_brushPath = new GraphicsPath();
-    m_brushPath->AddEllipse( (REAL)(xc-radius), (REAL)(yc-radius), (REAL)(2*radius), (REAL)(2*radius));
+    m_brushPath->AddEllipse( (REAL)(xc-radius), (REAL)(yc-radius),
+                             (REAL)(2*radius), (REAL)(2*radius));
 
-    PathGradientBrush *b = new PathGradientBrush(m_brushPath);
-    m_brush = b;
-    b->SetCenterPoint( PointF(xo,yo));
-    b->SetCenterColor(Color( oColor.Alpha(), oColor.Red(),oColor.Green() , oColor.Blue() ));
+    PathGradientBrush * const brush = new PathGradientBrush(m_brushPath);
+    m_brush = brush;
+    brush->SetCenterPoint(PointF(xo, yo));
+    brush->SetCenterColor(wxColourToColor(stops.GetStartColour()));
 
-    Color colors[] = {Color( cColor.Alpha(), cColor.Red(),cColor.Green() , cColor.Blue() )};
+    const Color col(wxColourToColor(stops.GetEndColour()));
     int count = 1;
-    b->SetSurroundColors(colors, &count);
+    brush->SetSurroundColors(&col, &count);
+
+    SetGradientStops(brush, stops);
+}
+
+//-----------------------------------------------------------------------------
+// wxGDIPlusFont implementation
+//-----------------------------------------------------------------------------
+
+void
+wxGDIPlusFontData::Init(const wxString& name,
+                        REAL size,
+                        int style,
+                        const wxColour& col,
+                        Unit fontUnit)
+{
+    m_font = new Font(name.wc_str(), size, style, fontUnit);
+
+    m_textBrush = new SolidBrush(wxColourToColor(col));
+}
+
+wxGDIPlusFontData::wxGDIPlusFontData( wxGraphicsRenderer* renderer,
+                                      const wxFont &font,
+                                      const wxColour& col )
+    : wxGraphicsObjectRefData( renderer )
+{
+    int style = FontStyleRegular;
+    if ( font.GetStyle() == wxFONTSTYLE_ITALIC )
+        style |= FontStyleItalic;
+    if ( font.GetUnderlined() )
+        style |= FontStyleUnderline;
+    if ( font.GetWeight() == wxFONTWEIGHT_BOLD )
+        style |= FontStyleBold;
+
+    Init(font.GetFaceName(), font.GetPointSize(), style, col, UnitPoint);
+}
+
+wxGDIPlusFontData::wxGDIPlusFontData(wxGraphicsRenderer* renderer,
+                                     const wxString& name,
+                                     REAL sizeInPixels,
+                                     int style,
+                                     const wxColour& col) :
+    wxGraphicsObjectRefData(renderer)
+{
+    Init(name, sizeInPixels, style, col, UnitPixel);
+}
+
+wxGDIPlusFontData::~wxGDIPlusFontData()
+{
+    delete m_textBrush;
+    delete m_font;
 }
 
-// the built-in conversions functions create non-premultiplied bitmaps, while GDIPlus needs them in the 
-// premultiplied format, therefore in the failing cases we create a new bitmap using the non-premultiplied 
-// bytes as parameter
+// the built-in conversions functions create non-premultiplied bitmaps, while GDIPlus needs them in the
+// premultiplied format, therefore in the failing cases we create a new bitmap using the non-premultiplied
+// bytes as parameter, since there is no real copying of the data going in, only references are stored
+// m_helper has to be kept alive as well
 
-void wxGDIPlusContext::DrawBitmap( const wxBitmap &bmp, wxDouble x, wxDouble y, wxDouble w, wxDouble h ) 
+//-----------------------------------------------------------------------------
+// wxGDIPlusBitmapData implementation
+//-----------------------------------------------------------------------------
+
+wxGDIPlusBitmapData::wxGDIPlusBitmapData( wxGraphicsRenderer* renderer, Bitmap* bitmap ) :
+    wxGraphicsObjectRefData( renderer ), m_bitmap( bitmap )
+{
+    m_helper = NULL;
+}
+
+wxGDIPlusBitmapData::wxGDIPlusBitmapData( wxGraphicsRenderer* renderer,
+                        const wxBitmap &bmp) : wxGraphicsObjectRefData( renderer )
 {
+    m_bitmap = NULL;
+    m_helper = NULL;
+
     Bitmap* image = NULL;
-    Bitmap* helper = NULL;
     if ( bmp.GetMask() )
-    { 
-        Bitmap interim((HBITMAP)bmp.GetHBITMAP(),(HPALETTE)bmp.GetPalette()->GetHPALETTE()) ;
+    {
+        Bitmap interim((HBITMAP)bmp.GetHBITMAP(),
+#if wxUSE_PALETTE
+            (HPALETTE)bmp.GetPalette()->GetHPALETTE()
+#else
+            NULL
+#endif
+        );
 
         size_t width = interim.GetWidth();
         size_t height = interim.GetHeight();
@@ -727,7 +978,7 @@ void wxGDIPlusContext::DrawBitmap( const wxBitmap &bmp, wxDouble x, wxDouble y,
         wxASSERT(interimMask.GetPixelFormat() == PixelFormat1bppIndexed);
 
         BitmapData dataMask ;
-        interimMask.LockBits(&bounds,ImageLockModeRead, 
+        interimMask.LockBits(&bounds,ImageLockModeRead,
             interimMask.GetPixelFormat(),&dataMask);
 
 
@@ -771,180 +1022,1258 @@ void wxGDIPlusContext::DrawBitmap( const wxBitmap &bmp, wxDouble x, wxDouble y,
     }
     else
     {
-        image = Bitmap::FromHBITMAP((HBITMAP)bmp.GetHBITMAP(),(HPALETTE)bmp.GetPalette()->GetHPALETTE());        
-        if ( GetPixelFormatSize(image->GetPixelFormat()) == 32 )
+        image = Bitmap::FromHBITMAP((HBITMAP)bmp.GetHBITMAP(),
+#if wxUSE_PALETTE
+            (HPALETTE)bmp.GetPalette()->GetHPALETTE()
+#else
+            NULL
+#endif
+        );
+        if ( bmp.HasAlpha() && GetPixelFormatSize(image->GetPixelFormat()) == 32 )
         {
             size_t width = image->GetWidth();
             size_t height = image->GetHeight();
             Rect bounds(0,0,width,height);
-            BitmapData data ;
+            static BitmapData data ;
 
-            helper = image ;
+            m_helper = image ;
             image = NULL ;
-            helper->LockBits(&bounds, ImageLockModeRead,
-                helper->GetPixelFormat(),&data);
+            m_helper->LockBits(&bounds, ImageLockModeRead,
+                m_helper->GetPixelFormat(),&data);
 
-            image = new Bitmap(data.Width, data.Height, data.Stride, 
-                PixelFormat32bppARGB , (BYTE*) data.Scan0);
+            image = new Bitmap(data.Width, data.Height, data.Stride,
+                PixelFormat32bppPARGB , (BYTE*) data.Scan0);
 
-            helper->UnlockBits(&data);
+            m_helper->UnlockBits(&data);
         }
     }
     if ( image )
-        m_context->DrawImage(image,(REAL) x,(REAL) y,(REAL) w,(REAL) h) ;
-    delete image ;
-    delete helper ;
+        m_bitmap = image;
 }
 
-void wxGDIPlusContext::DrawIcon( const wxIcon &icon, wxDouble x, wxDouble y, wxDouble w, wxDouble h ) 
+#if wxUSE_IMAGE
+
+wxImage wxGDIPlusBitmapData::ConvertToImage() const
 {
-    HICON hIcon = (HICON)icon.GetHICON();
-    ICONINFO iconInfo ;
-    // IconInfo creates the bitmaps for color and mask, we must dispose of them after use
-    if (!GetIconInfo(hIcon,&iconInfo))
-        return;
+    // We could use Bitmap::LockBits() and convert to wxImage directly but
+    // passing by wxBitmap is easier. It would be nice to measure performance
+    // of the two methods but for this the second one would need to be written
+    // first...
+    HBITMAP hbmp;
+    if ( m_bitmap->GetHBITMAP(Color(0xffffffff), &hbmp) != Gdiplus::Ok )
+        return wxNullImage;
+
+    wxBitmap bmp;
+    bmp.SetWidth(m_bitmap->GetWidth());
+    bmp.SetHeight(m_bitmap->GetHeight());
+    bmp.SetHBITMAP(hbmp);
+    bmp.SetDepth(IsAlphaPixelFormat(m_bitmap->GetPixelFormat()) ? 32 : 24);
+    return bmp.ConvertToImage();
+}
 
-    BITMAP iconBmpData ;
-    GetObject(iconInfo.hbmColor,sizeof(BITMAP),&iconBmpData);
-    Bitmap interim(iconInfo.hbmColor,NULL);
+#endif // wxUSE_IMAGE
 
-    Bitmap* image = NULL ;
+wxGDIPlusBitmapData::~wxGDIPlusBitmapData()
+{
+    delete m_bitmap;
+    delete m_helper;
+}
 
-    if( GetPixelFormatSize(interim.GetPixelFormat())!= 32 )
-    {
-        image = Bitmap::FromHICON(hIcon);
-    }
-    else
-    {
-        size_t width = interim.GetWidth();
-        size_t height = interim.GetHeight();
-        Rect bounds(0,0,width,height);
-        BitmapData data ;
+//-----------------------------------------------------------------------------
+// wxGDIPlusPath implementation
+//-----------------------------------------------------------------------------
 
-        interim.LockBits(&bounds, ImageLockModeRead,
-            interim.GetPixelFormat(),&data);
-        image = new Bitmap(data.Width, data.Height, data.Stride, 
-            PixelFormat32bppARGB , (BYTE*) data.Scan0);
-        interim.UnlockBits(&data);
-    }
+wxGDIPlusPathData::wxGDIPlusPathData(wxGraphicsRenderer* renderer, GraphicsPath* path ) : wxGraphicsPathData(renderer)
+{
+    if ( path )
+        m_path = path;
+    else
+        m_path = new GraphicsPath();
+}
 
-    m_context->DrawImage(image,(REAL) x,(REAL) y,(REAL) w,(REAL) h) ;
+wxGDIPlusPathData::~wxGDIPlusPathData()
+{
+    delete m_path;
+}
 
-    delete image ;
-    DeleteObject(iconInfo.hbmColor);
-    DeleteObject(iconInfo.hbmMask);
+wxGraphicsObjectRefData* wxGDIPlusPathData::Clone() const
+{
+    return new wxGDIPlusPathData( GetRenderer() , m_path->Clone());
 }
 
+//
+// The Primitives
+//
 
-void wxGDIPlusContext::DrawText( const wxString &str, wxDouble x, wxDouble y ) 
+void wxGDIPlusPathData::MoveToPoint( wxDouble x , wxDouble y )
 {
-    if ( str.IsEmpty())
-        return ;
+    m_path->StartFigure();
+    m_path->AddLine((REAL) x,(REAL) y,(REAL) x,(REAL) y);
+}
 
-    wxWCharBuffer s = str.wc_str( *wxConvUI );
-    m_context->DrawString( s , -1 , m_font , PointF( x , y ) , m_textBrush );
-    // TODO m_backgroundMode == wxSOLID
+void wxGDIPlusPathData::AddLineToPoint( wxDouble x , wxDouble y )
+{
+    m_path->AddLine((REAL) x,(REAL) y,(REAL) x,(REAL) y);
 }
 
-void wxGDIPlusContext::GetTextExtent( const wxString &str, wxDouble *width, wxDouble *height,
-                                     wxDouble *descent, wxDouble *externalLeading ) const
+void wxGDIPlusPathData::CloseSubpath()
 {
-    wxWCharBuffer s = str.wc_str( *wxConvUI );
-    FontFamily ffamily ;
-    
-    m_font->GetFamily(&ffamily) ;
+    m_path->CloseFigure();
+}
 
-    REAL factorY = m_context->GetDpiY() / 72.0 ;
+void wxGDIPlusPathData::AddCurveToPoint( wxDouble cx1, wxDouble cy1, wxDouble cx2, wxDouble cy2, wxDouble x, wxDouble y )
+{
+    PointF c1(cx1,cy1);
+    PointF c2(cx2,cy2);
+    PointF end(x,y);
+    PointF start;
+    m_path->GetLastPoint(&start);
+    m_path->AddBezier(start,c1,c2,end);
+}
 
-    REAL rDescent = ffamily.GetCellDescent(FontStyleRegular) *
-        m_font->GetSize() / ffamily.GetEmHeight(FontStyleRegular);
-    REAL rAscent = ffamily.GetCellAscent(FontStyleRegular) *
-        m_font->GetSize() / ffamily.GetEmHeight(FontStyleRegular);
-    REAL rHeight = ffamily.GetLineSpacing(FontStyleRegular) *
-        m_font->GetSize() / ffamily.GetEmHeight(FontStyleRegular);
+// gets the last point of the current path, (0,0) if not yet set
+void wxGDIPlusPathData::GetCurrentPoint( wxDouble* x, wxDouble* y) const
+{
+    PointF start;
+    m_path->GetLastPoint(&start);
+    *x = start.X ;
+    *y = start.Y ;
+}
 
-    if ( height )
-        *height = rHeight * factorY + 0.5 ;
-    if ( descent )
-        *descent = rDescent * factorY + 0.5 ;
-    if ( externalLeading )
-        *externalLeading = (rHeight - rAscent - rDescent) * factorY + 0.5 ;
-    // measuring empty strings is not guaranteed, so do it by hand
-    if ( str.IsEmpty()) 
+void wxGDIPlusPathData::AddArc( wxDouble x, wxDouble y, wxDouble r, double startAngle, double endAngle, bool clockwise )
+{
+    double sweepAngle = endAngle - startAngle ;
+    if( fabs(sweepAngle) >= 2*M_PI)
     {
-        if ( width )
-            *width = 0 ;
+        sweepAngle = 2 * M_PI;
     }
     else
     {
-        // MeasureString does return a rectangle that is way too large, so it is
-        // not usable here
-        RectF layoutRect(0,0, 100000.0f, 100000.0f);
-        StringFormat strFormat;
-        CharacterRange strRange(0,wcslen(s));
-        strFormat.SetMeasurableCharacterRanges(1,&strRange);
-        Region region ;
-        m_context->MeasureCharacterRanges(s, -1 , m_font,layoutRect, &strFormat,1,&region) ;
-        RectF bbox ;
-        region.GetBounds(&bbox,m_context);
-        if ( width )
-            *width = bbox.GetRight()-bbox.GetLeft()+0.5;
-    }
+        if ( clockwise )
+        {
+            if( sweepAngle < 0 )
+                sweepAngle += 2 * M_PI;
+        }
+        else
+        {
+            if( sweepAngle > 0 )
+                sweepAngle -= 2 * M_PI;
+
+        }
+   }
+   m_path->AddArc((REAL) (x-r),(REAL) (y-r),(REAL) (2*r),(REAL) (2*r),RadToDeg(startAngle),RadToDeg(sweepAngle));
 }
 
-void wxGDIPlusContext::GetPartialTextExtents(const wxString& text, wxArrayDouble& widths) const 
+void wxGDIPlusPathData::AddRectangle( wxDouble x, wxDouble y, wxDouble w, wxDouble h )
 {
-    widths.Empty();
-    widths.Add(0, text.length());
+    m_path->AddRectangle(RectF(x,y,w,h));
+}
 
-    if (text.empty())
-        return;
+void wxGDIPlusPathData::AddPath( const wxGraphicsPathData* path )
+{
+    m_path->AddPath( (GraphicsPath*) path->GetNativePath(), FALSE);
+}
 
-    wxWCharBuffer ws = text.wc_str( *wxConvUI );
-    size_t len = wcslen( ws ) ;
-    wxASSERT_MSG(text.length() == len , wxT("GetPartialTextExtents not yet implemented for multichar situations"));
 
-    RectF layoutRect(0,0, 100000.0f, 100000.0f);
-    StringFormat strFormat;
+// transforms each point of this path by the matrix
+void wxGDIPlusPathData::Transform( const wxGraphicsMatrixData* matrix )
+{
+    m_path->Transform( (Matrix*) matrix->GetNativeMatrix() );
+}
 
-    CharacterRange* ranges = new CharacterRange[len] ;
-    Region* regions = new Region[len];
-    for( size_t i = 0 ; i < len ; ++i)
-    {
-        ranges[i].First = i ;
-        ranges[i].Length = 1 ;
-    }
-    strFormat.SetMeasurableCharacterRanges(len,ranges);
-    m_context->MeasureCharacterRanges(ws, -1 , m_font,layoutRect, &strFormat,1,regions) ;
+// gets the bounding box enclosing all points (possibly including control points)
+void wxGDIPlusPathData::GetBox(wxDouble *x, wxDouble *y, wxDouble *w, wxDouble *h) const
+{
+    RectF bounds;
+    m_path->GetBounds( &bounds, NULL, NULL) ;
+    *x = bounds.X;
+    *y = bounds.Y;
+    *w = bounds.Width;
+    *h = bounds.Height;
+}
 
-    RectF bbox ;
-    for ( size_t i = 0 ; i < len ; ++i)
-    {
-        regions[i].GetBounds(&bbox,m_context);
-        widths[i] = bbox.GetRight()-bbox.GetLeft();
-    }
+bool wxGDIPlusPathData::Contains( wxDouble x, wxDouble y, wxPolygonFillMode fillStyle ) const
+{
+    m_path->SetFillMode( fillStyle == wxODDEVEN_RULE ? FillModeAlternate : FillModeWinding);
+    return m_path->IsVisible( (FLOAT) x,(FLOAT) y) == TRUE ;
 }
 
-void wxGDIPlusContext::SetFont( const wxFont &font ) 
+//-----------------------------------------------------------------------------
+// wxGDIPlusMatrixData implementation
+//-----------------------------------------------------------------------------
+
+wxGDIPlusMatrixData::wxGDIPlusMatrixData(wxGraphicsRenderer* renderer, Matrix* matrix )
+    : wxGraphicsMatrixData(renderer)
 {
-    wxASSERT( font.Ok());
-    delete m_font;
-    wxWCharBuffer s = font.GetFaceName().wc_str( *wxConvUI );
-    int size = font.GetPointSize();
-    int style = FontStyleRegular;
-    if ( font.GetStyle() == wxFONTSTYLE_ITALIC )
-        style |= FontStyleItalic;
-    if ( font.GetUnderlined() )
-        style |= FontStyleUnderline;
-    if ( font.GetWeight() == wxFONTWEIGHT_BOLD )
-        style |= FontStyleBold;
-    m_font = new Font( s , size , style );
+    if ( matrix )
+        m_matrix = matrix ;
+    else
+        m_matrix = new Matrix();
 }
 
-wxGraphicsContext* wxGraphicsContext::Create( const wxWindowDC& dc)
+wxGDIPlusMatrixData::~wxGDIPlusMatrixData()
 {
-    return new wxGDIPlusContext( (HDC) dc.GetHDC() );
+    delete m_matrix;
 }
 
+wxGraphicsObjectRefData *wxGDIPlusMatrixData::Clone() const
+{
+    return new wxGDIPlusMatrixData( GetRenderer(), m_matrix->Clone());
+}
+
+// concatenates the matrix
+void wxGDIPlusMatrixData::Concat( const wxGraphicsMatrixData *t )
+{
+    m_matrix->Multiply( (Matrix*) t->GetNativeMatrix());
+}
+
+// sets the matrix to the respective values
+void wxGDIPlusMatrixData::Set(wxDouble a, wxDouble b, wxDouble c, wxDouble d,
+                 wxDouble tx, wxDouble ty)
+{
+    m_matrix->SetElements(a,b,c,d,tx,ty);
+}
+
+// gets the component valuess of the matrix
+void wxGDIPlusMatrixData::Get(wxDouble* a, wxDouble* b,  wxDouble* c,
+                              wxDouble* d, wxDouble* tx, wxDouble* ty) const
+{
+    REAL elements[6];
+    m_matrix->GetElements(elements);
+    if (a)  *a = elements[0];
+    if (b)  *b = elements[1];
+    if (c)  *c = elements[2];
+    if (d)  *d = elements[3];
+    if (tx) *tx= elements[4];
+    if (ty) *ty= elements[5];
+}
+
+// makes this the inverse matrix
+void wxGDIPlusMatrixData::Invert()
+{
+    m_matrix->Invert();
+}
+
+// returns true if the elements of the transformation matrix are equal ?
+bool wxGDIPlusMatrixData::IsEqual( const wxGraphicsMatrixData* t) const
+{
+    return m_matrix->Equals((Matrix*) t->GetNativeMatrix())== TRUE ;
+}
+
+// return true if this is the identity matrix
+bool wxGDIPlusMatrixData::IsIdentity() const
+{
+    return m_matrix->IsIdentity() == TRUE ;
+}
+
+//
+// transformation
+//
+
+// add the translation to this matrix
+void wxGDIPlusMatrixData::Translate( wxDouble dx , wxDouble dy )
+{
+    m_matrix->Translate(dx,dy);
+}
+
+// add the scale to this matrix
+void wxGDIPlusMatrixData::Scale( wxDouble xScale , wxDouble yScale )
+{
+    m_matrix->Scale(xScale,yScale);
+}
+
+// add the rotation to this matrix (radians)
+void wxGDIPlusMatrixData::Rotate( wxDouble angle )
+{
+    m_matrix->Rotate( RadToDeg(angle) );
+}
+
+//
+// apply the transforms
+//
+
+// applies that matrix to the point
+void wxGDIPlusMatrixData::TransformPoint( wxDouble *x, wxDouble *y ) const
+{
+    PointF pt(*x,*y);
+    m_matrix->TransformPoints(&pt);
+    *x = pt.X;
+    *y = pt.Y;
+}
+
+// applies the matrix except for translations
+void wxGDIPlusMatrixData::TransformDistance( wxDouble *dx, wxDouble *dy ) const
+{
+    PointF pt(*dx,*dy);
+    m_matrix->TransformVectors(&pt);
+    *dx = pt.X;
+    *dy = pt.Y;
+}
+
+// returns the native representation
+void * wxGDIPlusMatrixData::GetNativeMatrix() const
+{
+    return m_matrix;
+}
+
+//-----------------------------------------------------------------------------
+// wxGDIPlusContext implementation
+//-----------------------------------------------------------------------------
+
+class wxGDIPlusOffsetHelper
+{
+public :
+    wxGDIPlusOffsetHelper( Graphics* gr , bool offset )
+    {
+        m_gr = gr;
+        m_offset = offset;
+        if ( m_offset )
+            m_gr->TranslateTransform( 0.5, 0.5 );
+    }
+    ~wxGDIPlusOffsetHelper( )
+    {
+        if ( m_offset )
+            m_gr->TranslateTransform( -0.5, -0.5 );
+    }
+public :
+    Graphics* m_gr;
+    bool m_offset;
+} ;
+
+wxGDIPlusContext::wxGDIPlusContext( wxGraphicsRenderer* renderer, HDC hdc, wxDouble width, wxDouble height   )
+    : wxGraphicsContext(renderer)
+{
+    Init(new Graphics(hdc), width, height);
+}
+
+wxGDIPlusContext::wxGDIPlusContext( wxGraphicsRenderer* renderer, const wxDC& dc )
+    : wxGraphicsContext(renderer)
+{
+    wxMSWDCImpl *msw = wxDynamicCast( dc.GetImpl() , wxMSWDCImpl );
+    HDC hdc = (HDC) msw->GetHDC();
+    wxSize sz = dc.GetSize();
+
+    Init(new Graphics(hdc), sz.x, sz.y);
+}
+
+wxGDIPlusContext::wxGDIPlusContext( wxGraphicsRenderer* renderer, HWND hwnd  )
+    : wxGraphicsContext(renderer)
+{
+    RECT rect = wxGetWindowRect(hwnd);
+    Init(new Graphics(hwnd), rect.right - rect.left, rect.bottom - rect.top);
+    m_enableOffset = true;
+}
+
+wxGDIPlusContext::wxGDIPlusContext( wxGraphicsRenderer* renderer, Graphics* gr  )
+    : wxGraphicsContext(renderer)
+{
+    Init(gr, 0, 0);
+}
+
+wxGDIPlusContext::wxGDIPlusContext(wxGraphicsRenderer* renderer)
+    : wxGraphicsContext(renderer)
+{
+    // Derived class must call Init() later but just set m_context to NULL for
+    // safety to avoid crashing in our dtor if Init() ends up not being called.
+    m_context = NULL;
+}
+
+void wxGDIPlusContext::Init(Graphics* graphics, int width, int height)
+{
+    m_context = graphics;
+    m_state1 = 0;
+    m_state2 = 0;
+    m_width = width;
+    m_height = height;
+    m_fontScaleRatio = 1.0;
+
+    m_context->SetTextRenderingHint(TextRenderingHintSystemDefault);
+    m_context->SetPixelOffsetMode(PixelOffsetModeHalf);
+    m_context->SetSmoothingMode(SmoothingModeHighQuality);
+    m_state1 = m_context->Save();
+    m_state2 = m_context->Save();
+}
+
+wxGDIPlusContext::~wxGDIPlusContext()
+{
+    if ( m_context )
+    {
+        m_context->Restore( m_state2 );
+        m_context->Restore( m_state1 );
+        delete m_context;
+    }
+}
+
+
+void wxGDIPlusContext::Clip( const wxRegion &region )
+{
+    Region rgn((HRGN)region.GetHRGN());
+    m_context->SetClip(&rgn,CombineModeIntersect);
+}
+
+void wxGDIPlusContext::Clip( wxDouble x, wxDouble y, wxDouble w, wxDouble h )
+{
+    m_context->SetClip(RectF(x,y,w,h),CombineModeIntersect);
+}
+
+void wxGDIPlusContext::ResetClip()
+{
+    m_context->ResetClip();
+}
+
+void wxGDIPlusContext::DrawRectangle( wxDouble x, wxDouble y, wxDouble w, wxDouble h )
+{
+    if (m_composition == wxCOMPOSITION_DEST)
+        return;
+
+    wxGDIPlusOffsetHelper helper( m_context , ShouldOffset() );
+    Brush *brush = m_brush.IsNull() ? NULL : ((wxGDIPlusBrushData*)m_brush.GetRefData())->GetGDIPlusBrush();
+    Pen *pen = m_pen.IsNull() ? NULL : ((wxGDIPlusPenData*)m_pen.GetGraphicsData())->GetGDIPlusPen();
+
+    if ( brush )
+    {
+        // the offset is used to fill only the inside of the rectangle and not paint underneath
+        // its border which may influence a transparent Pen
+        REAL offset = 0;
+        if ( pen )
+             offset = pen->GetWidth();
+        m_context->FillRectangle( brush, (REAL)x + offset/2, (REAL)y + offset/2, (REAL)w - offset, (REAL)h - offset);
+    }
+
+    if ( pen )
+    {
+        m_context->DrawRectangle( pen, (REAL)x, (REAL)y, (REAL)w, (REAL)h );
+    }
+}
+
+void wxGDIPlusContext::StrokeLines( size_t n, const wxPoint2DDouble *points)
+{
+   if (m_composition == wxCOMPOSITION_DEST)
+        return;
+
+   if ( !m_pen.IsNull() )
+   {
+       wxGDIPlusOffsetHelper helper( m_context , ShouldOffset() );
+       Point *cpoints = new Point[n];
+       for (size_t i = 0; i < n; i++)
+       {
+           cpoints[i].X = (int)(points[i].m_x );
+           cpoints[i].Y = (int)(points[i].m_y );
+
+       } // for (size_t i = 0; i < n; i++)
+       m_context->DrawLines( ((wxGDIPlusPenData*)m_pen.GetGraphicsData())->GetGDIPlusPen() , cpoints , n ) ;
+       delete[] cpoints;
+   }
+}
+
+void wxGDIPlusContext::DrawLines( size_t n, const wxPoint2DDouble *points, wxPolygonFillMode WXUNUSED(fillStyle) )
+{
+   if (m_composition == wxCOMPOSITION_DEST)
+        return;
+
+    wxGDIPlusOffsetHelper helper( m_context , ShouldOffset() );
+    Point *cpoints = new Point[n];
+    for (size_t i = 0; i < n; i++)
+    {
+        cpoints[i].X = (int)(points[i].m_x );
+        cpoints[i].Y = (int)(points[i].m_y );
+
+    } // for (int i = 0; i < n; i++)
+    if ( !m_brush.IsNull() )
+        m_context->FillPolygon( ((wxGDIPlusBrushData*)m_brush.GetRefData())->GetGDIPlusBrush() , cpoints , n ) ;
+    if ( !m_pen.IsNull() )
+        m_context->DrawLines( ((wxGDIPlusPenData*)m_pen.GetGraphicsData())->GetGDIPlusPen() , cpoints , n ) ;
+    delete[] cpoints;
+}
+
+void wxGDIPlusContext::StrokePath( const wxGraphicsPath& path )
+{
+   if (m_composition == wxCOMPOSITION_DEST)
+        return;
+
+    if ( !m_pen.IsNull() )
+    {
+        wxGDIPlusOffsetHelper helper( m_context , ShouldOffset() );
+        m_context->DrawPath( ((wxGDIPlusPenData*)m_pen.GetGraphicsData())->GetGDIPlusPen() , (GraphicsPath*) path.GetNativePath() );
+    }
+}
+
+void wxGDIPlusContext::FillPath( const wxGraphicsPath& path , wxPolygonFillMode fillStyle )
+{
+   if (m_composition == wxCOMPOSITION_DEST)
+        return;
+
+    if ( !m_brush.IsNull() )
+    {
+        wxGDIPlusOffsetHelper helper( m_context , ShouldOffset() );
+        ((GraphicsPath*) path.GetNativePath())->SetFillMode( fillStyle == wxODDEVEN_RULE ? FillModeAlternate : FillModeWinding);
+        m_context->FillPath( ((wxGDIPlusBrushData*)m_brush.GetRefData())->GetGDIPlusBrush() ,
+            (GraphicsPath*) path.GetNativePath());
+    }
+}
+
+bool wxGDIPlusContext::SetAntialiasMode(wxAntialiasMode antialias)
+{
+    if (m_antialias == antialias)
+        return true;
+
+    m_antialias = antialias;
+
+    SmoothingMode antialiasMode;
+    switch (antialias)
+    {
+        case wxANTIALIAS_DEFAULT:
+            antialiasMode = SmoothingModeHighQuality;
+            break;
+        case wxANTIALIAS_NONE:
+            antialiasMode = SmoothingModeNone;
+            break;
+        default:
+            return false;
+    }
+    m_context->SetSmoothingMode(antialiasMode);
+    return true;
+}
+
+bool wxGDIPlusContext::SetInterpolationQuality(wxInterpolationQuality WXUNUSED(interpolation))
+{
+    // placeholder
+    return false;
+}
+
+bool wxGDIPlusContext::SetCompositionMode(wxCompositionMode op)
+{
+    if ( m_composition == op )
+        return true;
+
+    m_composition = op;
+
+    if (m_composition == wxCOMPOSITION_DEST)
+        return true;
+
+    CompositingMode cop;
+    switch (op)
+    {
+        case wxCOMPOSITION_SOURCE:
+            cop = CompositingModeSourceCopy;
+            break;
+        case wxCOMPOSITION_OVER:
+            cop = CompositingModeSourceOver;
+            break;
+        default:
+            return false;
+    }
+
+    m_context->SetCompositingMode(cop);
+    return true;
+}
+
+void wxGDIPlusContext::BeginLayer(wxDouble /* opacity */)
+{
+    // TODO
+}
+
+void wxGDIPlusContext::EndLayer()
+{
+    // TODO
+}
+
+void wxGDIPlusContext::Rotate( wxDouble angle )
+{
+    m_context->RotateTransform( RadToDeg(angle) );
+}
+
+void wxGDIPlusContext::Translate( wxDouble dx , wxDouble dy )
+{
+    m_context->TranslateTransform( dx , dy );
+}
+
+void wxGDIPlusContext::Scale( wxDouble xScale , wxDouble yScale )
+{
+    m_context->ScaleTransform(xScale,yScale);
+}
+
+void wxGDIPlusContext::PushState()
+{
+    GraphicsState state = m_context->Save();
+    m_stateStack.push(state);
+}
+
+void wxGDIPlusContext::PopState()
+{
+    wxCHECK_RET( !m_stateStack.empty(), wxT("No state to pop") );
+
+    GraphicsState state = m_stateStack.top();
+    m_stateStack.pop();
+    m_context->Restore(state);
+}
+
+void wxGDIPlusContext::DrawBitmap( const wxGraphicsBitmap &bmp, wxDouble x, wxDouble y, wxDouble w, wxDouble h )
+{
+   if (m_composition == wxCOMPOSITION_DEST)
+        return;
+
+    Bitmap* image = static_cast<wxGDIPlusBitmapData*>(bmp.GetRefData())->GetGDIPlusBitmap();
+    if ( image )
+    {
+        if( image->GetWidth() != (UINT) w || image->GetHeight() != (UINT) h )
+        {
+            Rect drawRect((REAL) x, (REAL)y, (REAL)w, (REAL)h);
+            m_context->SetPixelOffsetMode( PixelOffsetModeNone );
+            m_context->DrawImage(image, drawRect, 0 , 0 , image->GetWidth(), image->GetHeight(), UnitPixel ) ;
+            m_context->SetPixelOffsetMode( PixelOffsetModeHalf );
+        }
+        else
+            m_context->DrawImage(image,(REAL) x,(REAL) y,(REAL) w,(REAL) h) ;
+    }
+}
+
+void wxGDIPlusContext::DrawBitmap( const wxBitmap &bmp, wxDouble x, wxDouble y, wxDouble w, wxDouble h )
+{
+    wxGraphicsBitmap bitmap = GetRenderer()->CreateBitmap(bmp);
+    DrawBitmap(bitmap, x, y, w, h);
+}
+
+void wxGDIPlusContext::DrawIcon( const wxIcon &icon, wxDouble x, wxDouble y, wxDouble w, wxDouble h )
+{
+   if (m_composition == wxCOMPOSITION_DEST)
+        return;
+
+    // the built-in conversion fails when there is alpha in the HICON (eg XP style icons), we can only
+    // find out by looking at the bitmap data whether there really was alpha in it
+    HICON hIcon = (HICON)icon.GetHICON();
+    ICONINFO iconInfo ;
+    // IconInfo creates the bitmaps for color and mask, we must dispose of them after use
+    if (!GetIconInfo(hIcon,&iconInfo))
+        return;
+
+    Bitmap interim(iconInfo.hbmColor,NULL);
+
+    Bitmap* image = NULL ;
+
+    // if it's not 32 bit, it doesn't have an alpha channel, note that since the conversion doesn't
+    // work correctly, asking IsAlphaPixelFormat at this point fails as well
+    if( GetPixelFormatSize(interim.GetPixelFormat())!= 32 )
+    {
+        image = Bitmap::FromHICON(hIcon);
+    }
+    else
+    {
+        size_t width = interim.GetWidth();
+        size_t height = interim.GetHeight();
+        Rect bounds(0,0,width,height);
+        BitmapData data ;
+
+        interim.LockBits(&bounds, ImageLockModeRead,
+            interim.GetPixelFormat(),&data);
+
+        bool hasAlpha = false;
+        for ( size_t y = 0 ; y < height && !hasAlpha ; ++y)
+        {
+            for( size_t x = 0 ; x < width && !hasAlpha; ++x)
+            {
+                ARGB *dest = (ARGB*)((BYTE*)data.Scan0 + data.Stride*y + x*4);
+                if ( ( *dest & Color::AlphaMask ) != 0 )
+                    hasAlpha = true;
+            }
+        }
+
+        if ( hasAlpha )
+        {
+        image = new Bitmap(data.Width, data.Height, data.Stride,
+            PixelFormat32bppARGB , (BYTE*) data.Scan0);
+        }
+        else
+        {
+            image = Bitmap::FromHICON(hIcon);
+        }
+
+        interim.UnlockBits(&data);
+    }
+
+    m_context->DrawImage(image,(REAL) x,(REAL) y,(REAL) w,(REAL) h) ;
+
+    delete image ;
+    DeleteObject(iconInfo.hbmColor);
+    DeleteObject(iconInfo.hbmMask);
+}
+
+void wxGDIPlusContext::DoDrawFilledText(const wxString& str,
+                                        wxDouble x, wxDouble y,
+                                        const wxGraphicsBrush& brush)
+{
+   if (m_composition == wxCOMPOSITION_DEST)
+        return;
+
+    wxCHECK_RET( !m_font.IsNull(),
+                 wxT("wxGDIPlusContext::DrawText - no valid font set") );
+
+    if ( str.IsEmpty())
+        return ;
+
+    wxGDIPlusFontData * const
+        fontData = (wxGDIPlusFontData *)m_font.GetRefData();
+    wxGDIPlusBrushData * const
+        brushData = (wxGDIPlusBrushData *)brush.GetRefData();
+
+    m_context->DrawString
+               (
+                    str.wc_str(*wxConvUI),  // string to draw, always Unicode
+                    -1,                     // length: string is NUL-terminated
+                    fontData->GetGDIPlusFont(),
+                    PointF(x, y),
+                    StringFormat::GenericTypographic(),
+                    brushData ? brushData->GetGDIPlusBrush()
+                              : fontData->GetGDIPlusBrush()
+               );
+}
+
+void wxGDIPlusContext::GetTextExtent( const wxString &str, wxDouble *width, wxDouble *height,
+                                     wxDouble *descent, wxDouble *externalLeading ) const
+{
+    wxCHECK_RET( !m_font.IsNull(), wxT("wxGDIPlusContext::GetTextExtent - no valid font set") );
+
+    wxWCharBuffer s = str.wc_str( *wxConvUI );
+    FontFamily ffamily ;
+    Font* f = ((wxGDIPlusFontData*)m_font.GetRefData())->GetGDIPlusFont();
+
+    f->GetFamily(&ffamily) ;
+
+    REAL factorY = m_fontScaleRatio;
+
+    REAL rDescent = ffamily.GetCellDescent(FontStyleRegular) *
+        f->GetSize() / ffamily.GetEmHeight(FontStyleRegular);
+    REAL rAscent = ffamily.GetCellAscent(FontStyleRegular) *
+        f->GetSize() / ffamily.GetEmHeight(FontStyleRegular);
+    REAL rHeight = ffamily.GetLineSpacing(FontStyleRegular) *
+        f->GetSize() / ffamily.GetEmHeight(FontStyleRegular);
+
+    if ( height )
+        *height = rHeight * factorY;
+    if ( descent )
+        *descent = rDescent * factorY;
+    if ( externalLeading )
+        *externalLeading = (rHeight - rAscent - rDescent) * factorY;
+    // measuring empty strings is not guaranteed, so do it by hand
+    if ( str.IsEmpty())
+    {
+        if ( width )
+            *width = 0 ;
+    }
+    else
+    {
+        RectF layoutRect(0,0, 100000.0f, 100000.0f);
+        StringFormat strFormat( StringFormat::GenericTypographic() );
+        strFormat.SetFormatFlags( StringFormatFlagsMeasureTrailingSpaces | strFormat.GetFormatFlags() );
+
+        RectF bounds ;
+        m_context->MeasureString((const wchar_t *) s , wcslen(s) , f, layoutRect, &strFormat, &bounds ) ;
+        if ( width )
+            *width = bounds.Width;
+        if ( height )
+            *height = bounds.Height;
+    }
+}
+
+void wxGDIPlusContext::GetPartialTextExtents(const wxString& text, wxArrayDouble& widths) const
+{
+    widths.Empty();
+    widths.Add(0, text.length());
+
+    wxCHECK_RET( !m_font.IsNull(), wxT("wxGDIPlusContext::GetPartialTextExtents - no valid font set") );
+
+    if (text.empty())
+        return;
+
+    Font* f = ((wxGDIPlusFontData*)m_font.GetRefData())->GetGDIPlusFont();
+    wxWCharBuffer ws = text.wc_str( *wxConvUI );
+    size_t len = wcslen( ws ) ;
+    wxASSERT_MSG(text.length() == len , wxT("GetPartialTextExtents not yet implemented for multichar situations"));
+
+    RectF layoutRect(0,0, 100000.0f, 100000.0f);
+    StringFormat strFormat( StringFormat::GenericTypographic() );
+
+    size_t startPosition = 0;
+    size_t remainder = len;
+    const size_t maxSpan = 32;
+    CharacterRange* ranges = new CharacterRange[maxSpan] ;
+    Region* regions = new Region[maxSpan];
+
+    while( remainder > 0 )
+    {
+        size_t span = wxMin( maxSpan, remainder );
+
+        for( size_t i = 0 ; i < span ; ++i)
+        {
+            ranges[i].First = 0 ;
+            ranges[i].Length = startPosition+i+1 ;
+        }
+        strFormat.SetMeasurableCharacterRanges(span,ranges);
+        strFormat.SetFormatFlags( StringFormatFlagsMeasureTrailingSpaces | strFormat.GetFormatFlags() );
+        m_context->MeasureCharacterRanges(ws, -1 , f,layoutRect, &strFormat,span,regions) ;
+
+        RectF bbox ;
+        for ( size_t i = 0 ; i < span ; ++i)
+        {
+            regions[i].GetBounds(&bbox,m_context);
+            widths[startPosition+i] = bbox.Width;
+        }
+        remainder -= span;
+        startPosition += span;
+    }
+
+    delete[] ranges;
+    delete[] regions;
+}
+
+bool wxGDIPlusContext::ShouldOffset() const
+{
+    if ( !m_enableOffset )
+        return false;
+    
+    int penwidth = 0 ;
+    if ( !m_pen.IsNull() )
+    {
+        penwidth = (int)((wxGDIPlusPenData*)m_pen.GetRefData())->GetWidth();
+        if ( penwidth == 0 )
+            penwidth = 1;
+    }
+    return ( penwidth % 2 ) == 1;
+}
+
+void* wxGDIPlusContext::GetNativeContext()
+{
+    return m_context;
+}
+
+// concatenates this transform with the current transform of this context
+void wxGDIPlusContext::ConcatTransform( const wxGraphicsMatrix& matrix )
+{
+    m_context->MultiplyTransform((Matrix*) matrix.GetNativeMatrix());
+}
+
+// sets the transform of this context
+void wxGDIPlusContext::SetTransform( const wxGraphicsMatrix& matrix )
+{
+    m_context->SetTransform((Matrix*) matrix.GetNativeMatrix());
+}
+
+// gets the matrix of this context
+wxGraphicsMatrix wxGDIPlusContext::GetTransform() const
+{
+    wxGraphicsMatrix matrix = CreateMatrix();
+    m_context->GetTransform((Matrix*) matrix.GetNativeMatrix());
+    return matrix;
+}
+
+void wxGDIPlusContext::GetSize( wxDouble* width, wxDouble *height )
+{
+    *width = m_width;
+    *height = m_height;
+}
+
+//-----------------------------------------------------------------------------
+// wxGDIPlusPrintingContext implementation
+//-----------------------------------------------------------------------------
+
+wxGDIPlusPrintingContext::wxGDIPlusPrintingContext( wxGraphicsRenderer* renderer,
+                                                    const wxDC& dc )
+    : wxGDIPlusContext(renderer, dc)
+{
+    Graphics* context = GetGraphics();
+
+    //m_context->SetPageUnit(UnitDocument);
+
+    // Setup page scale, based on DPI ratio.
+    // Antecedent should be 100dpi when the default page unit
+    // (UnitDisplay) is used. Page unit UnitDocument would require 300dpi
+    // instead. Note that calling SetPageScale() does not have effect on
+    // non-printing DCs (that is, any other than wxPrinterDC or
+    // wxEnhMetaFileDC).
+    REAL dpiRatio = 100.0 / context->GetDpiY();
+    context->SetPageScale(dpiRatio);
+
+    // We use this modifier when measuring fonts. It is needed because the
+    // page scale is modified above.
+    m_fontScaleRatio = context->GetDpiY() / 72.0;
+}
+
+//-----------------------------------------------------------------------------
+// wxGDIPlusRenderer implementation
+//-----------------------------------------------------------------------------
+
+IMPLEMENT_DYNAMIC_CLASS(wxGDIPlusRenderer,wxGraphicsRenderer)
+
+static wxGDIPlusRenderer gs_GDIPlusRenderer;
+
+wxGraphicsRenderer* wxGraphicsRenderer::GetDefaultRenderer()
+{
+    return &gs_GDIPlusRenderer;
+}
+
+bool wxGDIPlusRenderer::EnsureIsLoaded()
+{
+    // load gdiplus.dll if not yet loaded, but don't bother doing it again
+    // if we already tried and failed (we don't want to spend lot of time
+    // returning NULL from wxGraphicsContext::Create(), which may be called
+    // relatively frequently):
+    if ( m_loaded == -1 )
+    {
+        Load();
+    }
+
+    return m_loaded == 1;
+}
+
+// call EnsureIsLoaded() and return returnOnFail value if it fails
+#define ENSURE_LOADED_OR_RETURN(returnOnFail)  \
+    if ( !EnsureIsLoaded() )                   \
+        return (returnOnFail)
+
+
+void wxGDIPlusRenderer::Load()
+{
+    GdiplusStartupInput input;
+    GdiplusStartupOutput output;
+    if ( GdiplusStartup(&m_gditoken,&input,&output) == Gdiplus::Ok )
+    {
+        wxLogTrace("gdiplus", "successfully initialized GDI+");
+        m_loaded = 1;
+    }
+    else
+    {
+        wxLogTrace("gdiplus", "failed to initialize GDI+, missing gdiplus.dll?");
+        m_loaded = 0;
+    }
+}
+
+void wxGDIPlusRenderer::Unload()
+{
+    if ( m_gditoken )
+    {
+        GdiplusShutdown(m_gditoken);
+        m_gditoken = 0;
+    }
+    m_loaded = -1; // next Load() will try again
+}
+
+wxGraphicsContext * wxGDIPlusRenderer::CreateContext( const wxWindowDC& dc)
+{
+    ENSURE_LOADED_OR_RETURN(NULL);
+    wxGDIPlusContext* context = new wxGDIPlusContext(this, dc);
+    context->EnableOffset(true);
+    return context;
+}
+
+#if wxUSE_PRINTING_ARCHITECTURE
+wxGraphicsContext * wxGDIPlusRenderer::CreateContext( const wxPrinterDC& dc)
+{
+    ENSURE_LOADED_OR_RETURN(NULL);
+    wxGDIPlusContext* context = new wxGDIPlusPrintingContext(this, dc);
+    return context;
+}
+#endif
+
+#if wxUSE_ENH_METAFILE
+wxGraphicsContext * wxGDIPlusRenderer::CreateContext( const wxEnhMetaFileDC& dc)
+{
+    ENSURE_LOADED_OR_RETURN(NULL);
+    wxGDIPlusContext* context = new wxGDIPlusPrintingContext(this, dc);
+    return context;
+}
+#endif
+
+wxGraphicsContext * wxGDIPlusRenderer::CreateContext( const wxMemoryDC& dc)
+{
+    ENSURE_LOADED_OR_RETURN(NULL);
+    wxGDIPlusContext* context = new wxGDIPlusContext(this, dc);
+    context->EnableOffset(true);
+    return context;
+}
+
+#if wxUSE_IMAGE
+wxGraphicsContext * wxGDIPlusRenderer::CreateContextFromImage(wxImage& image)
+{
+    ENSURE_LOADED_OR_RETURN(NULL);
+    wxGDIPlusContext* context = new wxGDIPlusImageContext(this, image);
+    context->EnableOffset(true);
+    return context;
+}
+
+#endif // wxUSE_IMAGE
+
+wxGraphicsContext * wxGDIPlusRenderer::CreateMeasuringContext()
+{
+    ENSURE_LOADED_OR_RETURN(NULL);
+    return new wxGDIPlusMeasuringContext(this);
+}
+
+wxGraphicsContext * wxGDIPlusRenderer::CreateContextFromNativeContext( void * context )
+{
+    ENSURE_LOADED_OR_RETURN(NULL);
+    return new wxGDIPlusContext(this,(Graphics*) context);
+}
+
+
+wxGraphicsContext * wxGDIPlusRenderer::CreateContextFromNativeWindow( void * window )
+{
+    ENSURE_LOADED_OR_RETURN(NULL);
+    return new wxGDIPlusContext(this,(HWND) window);
+}
+
+wxGraphicsContext * wxGDIPlusRenderer::CreateContext( wxWindow* window )
+{
+    ENSURE_LOADED_OR_RETURN(NULL);
+    return new wxGDIPlusContext(this, (HWND) window->GetHWND() );
+}
+
+// Path
+
+wxGraphicsPath wxGDIPlusRenderer::CreatePath()
+{
+    ENSURE_LOADED_OR_RETURN(wxNullGraphicsPath);
+    wxGraphicsPath m;
+    m.SetRefData( new wxGDIPlusPathData(this));
+    return m;
+}
+
+
+// Matrix
+
+wxGraphicsMatrix wxGDIPlusRenderer::CreateMatrix( wxDouble a, wxDouble b, wxDouble c, wxDouble d,
+                                                           wxDouble tx, wxDouble ty)
+
+{
+    ENSURE_LOADED_OR_RETURN(wxNullGraphicsMatrix);
+    wxGraphicsMatrix m;
+    wxGDIPlusMatrixData* data = new wxGDIPlusMatrixData( this );
+    data->Set( a,b,c,d,tx,ty ) ;
+    m.SetRefData(data);
+    return m;
+}
+
+wxGraphicsPen wxGDIPlusRenderer::CreatePen(const wxPen& pen)
+{
+    ENSURE_LOADED_OR_RETURN(wxNullGraphicsPen);
+    if ( !pen.IsOk() || pen.GetStyle() == wxTRANSPARENT )
+        return wxNullGraphicsPen;
+    else
+    {
+        wxGraphicsPen p;
+        p.SetRefData(new wxGDIPlusPenData( this, pen ));
+        return p;
+    }
+}
+
+wxGraphicsBrush wxGDIPlusRenderer::CreateBrush(const wxBrush& brush )
+{
+    ENSURE_LOADED_OR_RETURN(wxNullGraphicsBrush);
+    if ( !brush.IsOk() || brush.GetStyle() == wxTRANSPARENT )
+        return wxNullGraphicsBrush;
+    else
+    {
+        wxGraphicsBrush p;
+        p.SetRefData(new wxGDIPlusBrushData( this, brush ));
+        return p;
+    }
+}
+
+wxGraphicsBrush
+wxGDIPlusRenderer::CreateLinearGradientBrush(wxDouble x1, wxDouble y1,
+                                             wxDouble x2, wxDouble y2,
+                                             const wxGraphicsGradientStops& stops)
+{
+    ENSURE_LOADED_OR_RETURN(wxNullGraphicsBrush);
+    wxGraphicsBrush p;
+    wxGDIPlusBrushData* d = new wxGDIPlusBrushData( this );
+    d->CreateLinearGradientBrush(x1, y1, x2, y2, stops);
+    p.SetRefData(d);
+    return p;
+ }
+
+wxGraphicsBrush
+wxGDIPlusRenderer::CreateRadialGradientBrush(wxDouble xo, wxDouble yo,
+                                             wxDouble xc, wxDouble yc,
+                                             wxDouble radius,
+                                             const wxGraphicsGradientStops& stops)
+{
+    ENSURE_LOADED_OR_RETURN(wxNullGraphicsBrush);
+    wxGraphicsBrush p;
+    wxGDIPlusBrushData* d = new wxGDIPlusBrushData( this );
+    d->CreateRadialGradientBrush(xo,yo,xc,yc,radius,stops);
+    p.SetRefData(d);
+    return p;
+}
+
+wxGraphicsFont
+wxGDIPlusRenderer::CreateFont( const wxFont &font,
+                               const wxColour &col )
+{
+    ENSURE_LOADED_OR_RETURN(wxNullGraphicsFont);
+    if ( font.IsOk() )
+    {
+        wxGraphicsFont p;
+        p.SetRefData(new wxGDIPlusFontData( this, font, col ));
+        return p;
+    }
+    else
+        return wxNullGraphicsFont;
+}
+
+wxGraphicsFont
+wxGDIPlusRenderer::CreateFont(double size,
+                              const wxString& facename,
+                              int flags,
+                              const wxColour& col)
+{
+    ENSURE_LOADED_OR_RETURN(wxNullGraphicsFont);
+
+    // Convert wxFont flags to GDI+ style:
+    int style = FontStyleRegular;
+    if ( flags & wxFONTFLAG_ITALIC )
+        style |= FontStyleItalic;
+    if ( flags & wxFONTFLAG_UNDERLINED )
+        style |= FontStyleUnderline;
+    if ( flags & wxFONTFLAG_BOLD )
+        style |= FontStyleBold;
+    if ( flags & wxFONTFLAG_STRIKETHROUGH )
+        style |= FontStyleStrikeout;
+
+
+    wxGraphicsFont f;
+    f.SetRefData(new wxGDIPlusFontData(this, facename, size, style, col));
+    return f;
+}
+
+wxGraphicsBitmap wxGDIPlusRenderer::CreateBitmap( const wxBitmap &bitmap )
+{
+    ENSURE_LOADED_OR_RETURN(wxNullGraphicsBitmap);
+    if ( bitmap.IsOk() )
+    {
+        wxGraphicsBitmap p;
+        p.SetRefData(new wxGDIPlusBitmapData( this , bitmap ));
+        return p;
+    }
+    else
+        return wxNullGraphicsBitmap;
+}
+
+#if wxUSE_IMAGE
+
+wxGraphicsBitmap wxGDIPlusRenderer::CreateBitmapFromImage(const wxImage& image)
+{
+    ENSURE_LOADED_OR_RETURN(wxNullGraphicsBitmap);
+    if ( image.IsOk() )
+    {
+        // Notice that we rely on conversion from wxImage to wxBitmap here but
+        // we could probably do it more efficiently by converting from wxImage
+        // to GDI+ Bitmap directly, i.e. copying wxImage pixels to the buffer
+        // returned by Bitmap::LockBits(). However this would require writing
+        // code specific for this task while like this we can reuse existing
+        // code (see also wxGDIPlusBitmapData::ConvertToImage()).
+        wxGraphicsBitmap gb;
+        gb.SetRefData(new wxGDIPlusBitmapData(this, image));
+        return gb;
+    }
+    else
+        return wxNullGraphicsBitmap;
+}
+
+
+wxImage wxGDIPlusRenderer::CreateImageFromBitmap(const wxGraphicsBitmap& bmp)
+{
+    ENSURE_LOADED_OR_RETURN(wxNullImage);
+    const wxGDIPlusBitmapData* const
+        data = static_cast<wxGDIPlusBitmapData*>(bmp.GetGraphicsData());
+
+    return data ? data->ConvertToImage() : wxNullImage;
+}
+
+#endif // wxUSE_IMAGE
+
+
+wxGraphicsBitmap wxGDIPlusRenderer::CreateBitmapFromNativeBitmap( void *bitmap )
+{
+    ENSURE_LOADED_OR_RETURN(wxNullGraphicsBitmap);
+    if ( bitmap != NULL )
+    {
+        wxGraphicsBitmap p;
+        p.SetRefData(new wxGDIPlusBitmapData( this , (Bitmap*) bitmap ));
+        return p;
+    }
+    else
+        return wxNullGraphicsBitmap;
+}
+
+wxGraphicsBitmap wxGDIPlusRenderer::CreateSubBitmap( const wxGraphicsBitmap &bitmap, wxDouble x, wxDouble y, wxDouble w, wxDouble h  )
+{
+    ENSURE_LOADED_OR_RETURN(wxNullGraphicsBitmap);
+    Bitmap* image = static_cast<wxGDIPlusBitmapData*>(bitmap.GetRefData())->GetGDIPlusBitmap();
+    if ( image )
+    {
+        wxGraphicsBitmap p;
+        p.SetRefData(new wxGDIPlusBitmapData( this , image->Clone( (REAL) x , (REAL) y , (REAL) w , (REAL) h , PixelFormat32bppPARGB) ));
+        return p;
+    }
+    else
+        return wxNullGraphicsBitmap;
+}
+
+// Shutdown GDI+ at app exit, before possible dll unload
+class wxGDIPlusRendererModule : public wxModule
+{
+public:
+    virtual bool OnInit() { return true; }
+    virtual void OnExit() { gs_GDIPlusRenderer.Unload(); }
+
+private:
+    DECLARE_DYNAMIC_CLASS(wxGDIPlusRendererModule)
+};
+
+IMPLEMENT_DYNAMIC_CLASS(wxGDIPlusRendererModule, wxModule)
+
+// ----------------------------------------------------------------------------
+// wxMSW-specific parts of wxGCDC
+// ----------------------------------------------------------------------------
+
+WXHDC wxGCDC::AcquireHDC()
+{
+    wxGraphicsContext * const gc = GetGraphicsContext();
+    if ( !gc )
+        return NULL;
+
+#if wxUSE_CAIRO
+    // we can't get the HDC if it is not a GDI+ context
+    wxGraphicsRenderer* r1 = gc->GetRenderer();
+    wxGraphicsRenderer* r2 = wxGraphicsRenderer::GetCairoRenderer();
+    if (r1 == r2)
+        return NULL;
+#endif
+
+    Graphics * const g = static_cast<Graphics *>(gc->GetNativeContext());
+    return g ? g->GetHDC() : NULL;
+}
+
+void wxGCDC::ReleaseHDC(WXHDC hdc)
+{
+    if ( !hdc )
+        return;
+
+    wxGraphicsContext * const gc = GetGraphicsContext();
+    wxCHECK_RET( gc, "can't release HDC because there is no wxGraphicsContext" );
+
+#if wxUSE_CAIRO
+    // we can't get the HDC if it is not a GDI+ context
+    wxGraphicsRenderer* r1 = gc->GetRenderer();
+    wxGraphicsRenderer* r2 = wxGraphicsRenderer::GetCairoRenderer();
+    if (r1 == r2)
+        return;
+#endif
+
+    Graphics * const g = static_cast<Graphics *>(gc->GetNativeContext());
+    wxCHECK_RET( g, "can't release HDC because there is no Graphics" );
+
+    g->ReleaseHDC((HDC)hdc);
+}
 
 #endif  // wxUSE_GRAPHICS_CONTEXT