Add backend descriptions for all backends to the documentation.

[wxWidgets.git] / src / generic / graphicc.cpp

diff --git a/src/generic/graphicc.cpp b/src/generic/graphicc.cpp
index f3c5a1f8d8d3db6231918df7ef2c28029403a231..7fb9f85f389b220ee39b2666100c25be7101e51c 100644 (file)
--- a/src/generic/graphicc.cpp
+++ b/src/generic/graphicc.cpp
@@ -19,12 +19,19 @@
 
 #include "wx/graphics.h"
 
 
 #include "wx/graphics.h"
 

+#if wxUSE_CAIRO
+
+#include "wx/cairo.h"
+

 #ifndef WX_PRECOMP
     #include "wx/bitmap.h"
     #include "wx/icon.h"
     #include "wx/dcclient.h"
     #include "wx/dcmemory.h"
     #include "wx/dcprint.h"
 #ifndef WX_PRECOMP
     #include "wx/bitmap.h"
     #include "wx/icon.h"
     #include "wx/dcclient.h"
     #include "wx/dcmemory.h"
     #include "wx/dcprint.h"

+    #ifdef __WXGTK__
+        #include "wx/window.h"
+    #endif

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


@@ -60,6 +67,10 @@ using namespace std;
 #endif
 
 #include <cairo.h>
 #endif
 
 #include <cairo.h>

+#ifdef __WXMSW__
+#include <cairo-win32.h>
+#endif
+

 #ifdef __WXGTK__
 #include <gtk/gtk.h>
 #include "wx/fontutil.h"
 #ifdef __WXGTK__
 #include <gtk/gtk.h>
 #include "wx/fontutil.h"


@@ -240,14 +251,20 @@ public:
     ~wxCairoBrushData ();
 
     virtual void Apply( wxGraphicsContext* context );
     ~wxCairoBrushData ();
 
     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 );
+
+    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);

 
 protected:
     virtual void Init();
 
 
 protected:
     virtual void Init();
 

+    // common part of Create{Linear,Radial}GradientBrush()
+    void AddGradientStops(const wxGraphicsGradientStops& stops);
+

 private :
     double m_red;
     double m_green;
 private :
     double m_red;
     double m_green;


@@ -290,6 +307,7 @@ class wxCairoBitmapData : public wxGraphicsObjectRefData
 {
 public:
     wxCairoBitmapData( wxGraphicsRenderer* renderer, const wxBitmap& bmp );
 {
 public:
     wxCairoBitmapData( wxGraphicsRenderer* renderer, const wxBitmap& bmp );

+    wxCairoBitmapData( wxGraphicsRenderer* renderer, cairo_surface_t* bitmap );

     ~wxCairoBitmapData();
 
     virtual cairo_surface_t* GetCairoSurface() { return m_surface; }
     ~wxCairoBitmapData();
 
     virtual cairo_surface_t* GetCairoSurface() { return m_surface; }


@@ -311,6 +329,9 @@ public:
     wxCairoContext( wxGraphicsRenderer* renderer, const wxPrinterDC& dc );
 #ifdef __WXGTK__
     wxCairoContext( wxGraphicsRenderer* renderer, GdkDrawable *drawable );
     wxCairoContext( wxGraphicsRenderer* renderer, const wxPrinterDC& dc );
 #ifdef __WXGTK__
     wxCairoContext( wxGraphicsRenderer* renderer, GdkDrawable *drawable );

+#endif
+#ifdef __WXMSW__
+    wxCairoContext( wxGraphicsRenderer* renderer, HDC context );

 #endif
     wxCairoContext( wxGraphicsRenderer* renderer, cairo_t *context );
     wxCairoContext( wxGraphicsRenderer* renderer, wxWindow *window);
 #endif
     wxCairoContext( wxGraphicsRenderer* renderer, cairo_t *context );
     wxCairoContext( wxGraphicsRenderer* renderer, wxWindow *window);


@@ -319,6 +340,9 @@ public:
 
     virtual bool ShouldOffset() const
     {
 
     virtual bool ShouldOffset() const
     {

+        if ( !m_enableOffset )
+            return false;
+        

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


@@ -330,6 +354,9 @@ public:
     }
 
     virtual void Clip( const wxRegion &region );
     }
 
     virtual void Clip( const wxRegion &region );

+#ifdef __WXMSW__
+    cairo_surface_t* m_mswSurface;
+#endif

 
     // clips drawings to the rect
     virtual void Clip( wxDouble x, wxDouble y, wxDouble w, wxDouble h );
 
     // clips drawings to the rect
     virtual void Clip( wxDouble x, wxDouble y, wxDouble w, wxDouble h );


@@ -341,12 +368,14 @@ public:
 
     virtual bool SetAntialiasMode(wxAntialiasMode antialias);
 
 
     virtual bool SetAntialiasMode(wxAntialiasMode antialias);
 

+    virtual bool SetInterpolationQuality(wxInterpolationQuality interpolation);
+

     virtual bool SetCompositionMode(wxCompositionMode op);
 
     virtual void BeginLayer(wxDouble opacity);
 
     virtual void EndLayer();
     virtual bool SetCompositionMode(wxCompositionMode op);
 
     virtual void BeginLayer(wxDouble opacity);
 
     virtual void EndLayer();

-    
+

     virtual void StrokePath( const wxGraphicsPath& p );
     virtual void FillPath( const wxGraphicsPath& p , wxPolygonFillMode fillStyle = wxWINDING_RULE );
 
     virtual void StrokePath( const wxGraphicsPath& p );
     virtual void FillPath( const wxGraphicsPath& p , wxPolygonFillMode fillStyle = wxWINDING_RULE );
 


@@ -380,7 +409,7 @@ private:
     void Init(cairo_t *context);
 
     cairo_t* m_context;
     void Init(cairo_t *context);
 
     cairo_t* m_context;

-    
+

     wxVector<float> m_layerOpacities;
 
     wxDECLARE_NO_COPY_CLASS(wxCairoContext);
     wxVector<float> m_layerOpacities;
 
     wxDECLARE_NO_COPY_CLASS(wxCairoContext);


@@ -524,7 +553,7 @@ wxCairoPenData::wxCairoPenData( wxGraphicsRenderer* renderer, const wxPen &pen )
         {
             /*
             wxBitmap* bmp = pen.GetStipple();
         {
             /*
             wxBitmap* bmp = pen.GetStipple();

-            if ( bmp && bmp->Ok() )
+            if ( bmp && bmp->IsOk() )

             {
             wxDELETE( m_penImage );
             wxDELETE( m_penBrush );
             {
             wxDELETE( m_penImage );
             wxDELETE( m_penBrush );


@@ -639,7 +668,7 @@ wxCairoBrushData::wxCairoBrushData( wxGraphicsRenderer* renderer, const wxBrush
     else
     {
     wxBitmap* bmp = brush.GetStipple();
     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());
     {
     wxDELETE( m_brushImage );
     m_brushImage = Bitmap::FromHBITMAP((HBITMAP)bmp->GetHBITMAP(),(HPALETTE)bmp->GetPalette()->GetHPALETTE());


@@ -668,26 +697,50 @@ void wxCairoBrushData::Apply( wxGraphicsContext* context )
     }
 }
 
     }
 }
 

-void wxCairoBrushData::CreateLinearGradientBrush( wxDouble x1, wxDouble y1, wxDouble x2, wxDouble y2,
-        const wxColour&c1, const wxColour&c2 )
+void wxCairoBrushData::AddGradientStops(const wxGraphicsGradientStops& stops)
+{
+    // loop over all the stops, they include the beginning and ending ones
+    const unsigned numStops = stops.GetCount();
+    for ( unsigned n = 0; n < numStops; n++ )
+    {
+        const wxGraphicsGradientStop stop = stops.Item(n);
+
+        const wxColour col = stop.GetColour();
+
+        cairo_pattern_add_color_stop_rgba
+        (
+            m_brushPattern,
+            stop.GetPosition(),
+            col.Red()/255.0,
+            col.Green()/255.0,
+            col.Blue()/255.0,
+            col.Alpha()/255.0
+        );
+    }
+
+    wxASSERT_MSG(cairo_pattern_status(m_brushPattern) == CAIRO_STATUS_SUCCESS,
+                 wxT("Couldn't create cairo pattern"));
+}
+
+void
+wxCairoBrushData::CreateLinearGradientBrush(wxDouble x1, wxDouble y1,
+                                            wxDouble x2, wxDouble y2,
+                                            const wxGraphicsGradientStops& stops)

 {
     m_brushPattern = cairo_pattern_create_linear(x1,y1,x2,y2);
 {
     m_brushPattern = cairo_pattern_create_linear(x1,y1,x2,y2);

-    cairo_pattern_add_color_stop_rgba(m_brushPattern,0.0,c1.Red()/255.0,
-        c1.Green()/255.0, c1.Blue()/255.0,c1.Alpha()/255.0);
-    cairo_pattern_add_color_stop_rgba(m_brushPattern,1.0,c2.Red()/255.0,
-        c2.Green()/255.0, c2.Blue()/255.0,c2.Alpha()/255.0);
-    wxASSERT_MSG(cairo_pattern_status(m_brushPattern) == CAIRO_STATUS_SUCCESS, wxT("Couldn't create cairo pattern"));
+
+    AddGradientStops(stops);

 }
 
 }
 

-void wxCairoBrushData::CreateRadialGradientBrush( wxDouble xo, wxDouble yo, wxDouble xc, wxDouble yc, wxDouble radius,
-        const wxColour &oColor, const wxColour &cColor )
+void
+wxCairoBrushData::CreateRadialGradientBrush(wxDouble xo, wxDouble yo,
+                                            wxDouble xc, wxDouble yc,
+                                            wxDouble radius,
+                                            const wxGraphicsGradientStops& stops)

 {
     m_brushPattern = cairo_pattern_create_radial(xo,yo,0.0,xc,yc,radius);
 {
     m_brushPattern = cairo_pattern_create_radial(xo,yo,0.0,xc,yc,radius);

-    cairo_pattern_add_color_stop_rgba(m_brushPattern,0.0,oColor.Red()/255.0,
-        oColor.Green()/255.0, oColor.Blue()/255.0,oColor.Alpha()/255.0);
-    cairo_pattern_add_color_stop_rgba(m_brushPattern,1.0,cColor.Red()/255.0,
-        cColor.Green()/255.0, cColor.Blue()/255.0,cColor.Alpha()/255.0);
-    wxASSERT_MSG(cairo_pattern_status(m_brushPattern) == CAIRO_STATUS_SUCCESS, wxT("Couldn't create cairo pattern"));
+
+    AddGradientStops(stops);

 }
 
 void wxCairoBrushData::Init()
 }
 
 void wxCairoBrushData::Init()


@@ -740,7 +793,7 @@ void wxCairoFontData::Apply( wxGraphicsContext* context )
     cairo_set_font_face(ctext, m_font);
     cairo_set_font_size(ctext, m_size );
 #else
     cairo_set_font_face(ctext, m_font);
     cairo_set_font_size(ctext, m_size );
 #else

-    cairo_select_font_face(ctext, m_fontName, m_slant, m_weights );
+    cairo_select_font_face(ctext, m_fontName, m_slant, m_weight );

     cairo_set_font_size(ctext, m_size );
 #endif
 }
     cairo_set_font_size(ctext, m_size );
 #endif
 }


@@ -884,9 +937,10 @@ void wxCairoPathData::GetBox(wxDouble *x, wxDouble *y, wxDouble *w, wxDouble *h)
     }
 }
 
     }
 }
 

-bool wxCairoPathData::Contains( wxDouble x, wxDouble y, wxPolygonFillMode WXUNUSED(fillStyle) ) const
+bool wxCairoPathData::Contains( wxDouble x, wxDouble y, wxPolygonFillMode fillStyle ) const

 {
 {

-    return cairo_in_stroke( m_pathContext, x, y) != 0;
+    cairo_set_fill_rule(m_pathContext,fillStyle==wxODDEVEN_RULE ? CAIRO_FILL_RULE_EVEN_ODD : CAIRO_FILL_RULE_WINDING);
+    return cairo_in_fill( m_pathContext, x, y) != 0;

 }
 
 //-----------------------------------------------------------------------------
 }
 
 //-----------------------------------------------------------------------------


@@ -1014,13 +1068,20 @@ void * wxCairoMatrixData::GetNativeMatrix() const
 // wxCairoBitmap implementation
 //-----------------------------------------------------------------------------
 
 // wxCairoBitmap implementation
 //-----------------------------------------------------------------------------
 

+wxCairoBitmapData::wxCairoBitmapData( wxGraphicsRenderer* renderer, cairo_surface_t* bitmap ) :
+    wxGraphicsObjectRefData( renderer )
+{
+    m_surface = bitmap;
+    m_pattern = cairo_pattern_create_for_surface(m_surface);
+}
+

 wxCairoBitmapData::wxCairoBitmapData( wxGraphicsRenderer* renderer, const wxBitmap& bmp ) : wxGraphicsObjectRefData( renderer )
 {
     wxCHECK_RET( bmp.IsOk(), wxT("Invalid bitmap in wxCairoContext::DrawBitmap"));
 
 wxCairoBitmapData::wxCairoBitmapData( wxGraphicsRenderer* renderer, const wxBitmap& bmp ) : wxGraphicsObjectRefData( renderer )
 {
     wxCHECK_RET( bmp.IsOk(), wxT("Invalid bitmap in wxCairoContext::DrawBitmap"));
 

-    cairo_surface_t* surface;
-    int bw = bmp.GetWidth();
-    int bh = bmp.GetHeight();
+#ifdef wxHAS_RAW_BITMAP
+    int bw = m_width = bmp.GetWidth();
+    int bh = m_height = bmp.GetHeight();

     wxBitmap bmpSource = bmp;  // we need a non-const instance
     m_buffer = new unsigned char[bw*bh*4];
     wxUint32* data = (wxUint32*)m_buffer;
     wxBitmap bmpSource = bmp;  // we need a non-const instance
     m_buffer = new unsigned char[bw*bh*4];
     wxUint32* data = (wxUint32*)m_buffer;


@@ -1085,12 +1146,18 @@ wxCairoBitmapData::wxCairoBitmapData( wxGraphicsRenderer* renderer, const wxBitm
             p.OffsetY(pixData, 1);
         }
     }
             p.OffsetY(pixData, 1);
         }
     }

+    m_pattern = cairo_pattern_create_for_surface(m_surface);
+#endif // wxHAS_RAW_BITMAP

 }
 
 wxCairoBitmapData::~wxCairoBitmapData()
 {
 }
 
 wxCairoBitmapData::~wxCairoBitmapData()
 {

-    cairo_pattern_destroy(m_pattern);
-    cairo_surface_destroy(m_surface);
+    if (m_pattern)
+        cairo_pattern_destroy(m_pattern);
+
+    if (m_surface)
+        cairo_surface_destroy(m_surface);
+

     delete [] m_buffer;
 }
 
     delete [] m_buffer;
 }
 


@@ -1127,6 +1194,10 @@ wxCairoContext::wxCairoContext( wxGraphicsRenderer* renderer, const wxPrinterDC&
     const wxDCImpl *impl = dc.GetImpl();
     Init( (cairo_t*) impl->GetCairoContext() );
 
     const wxDCImpl *impl = dc.GetImpl();
     Init( (cairo_t*) impl->GetCairoContext() );
 

+    wxSize sz = dc.GetSize();
+    m_width = sz.x;
+    m_height = sz.y;
+

     wxPoint org = dc.GetDeviceOrigin();
     cairo_translate( m_context, org.x, org.y );
 
     wxPoint org = dc.GetDeviceOrigin();
     cairo_translate( m_context, org.x, org.y );
 


@@ -1142,6 +1213,13 @@ wxCairoContext::wxCairoContext( wxGraphicsRenderer* renderer, const wxPrinterDC&
 wxCairoContext::wxCairoContext( wxGraphicsRenderer* renderer, const wxWindowDC& dc )
 : wxGraphicsContext(renderer)
 {
 wxCairoContext::wxCairoContext( wxGraphicsRenderer* renderer, const wxWindowDC& dc )
 : wxGraphicsContext(renderer)
 {

+    int width, height;
+    dc.GetSize( &width, &height );
+    m_width = width;
+    m_height = height;
+
+    m_enableOffset = true;
+

 #ifdef __WXGTK20__
     wxGTKDCImpl *impldc = (wxGTKDCImpl*) dc.GetImpl();
     Init( gdk_cairo_create( impldc->GetGDKWindow() ) );
 #ifdef __WXGTK20__
     wxGTKDCImpl *impldc = (wxGTKDCImpl*) dc.GetImpl();
     Init( gdk_cairo_create( impldc->GetGDKWindow() ) );


@@ -1164,8 +1242,6 @@ wxCairoContext::wxCairoContext( wxGraphicsRenderer* renderer, const wxWindowDC&
 #endif
 
 #ifdef __WXMAC__
 #endif
 
 #ifdef __WXMAC__

-    int width, height;
-    dc.GetSize( &width, &height );

     CGContextRef cgcontext = (CGContextRef)dc.GetWindow()->MacGetCGContextRef();
     cairo_surface_t* surface = cairo_quartz_surface_create_for_cg_context(cgcontext, width, height);
     Init( cairo_create( surface ) );
     CGContextRef cgcontext = (CGContextRef)dc.GetWindow()->MacGetCGContextRef();
     cairo_surface_t* surface = cairo_quartz_surface_create_for_cg_context(cgcontext, width, height);
     Init( cairo_create( surface ) );


@@ -1176,6 +1252,13 @@ wxCairoContext::wxCairoContext( wxGraphicsRenderer* renderer, const wxWindowDC&
 wxCairoContext::wxCairoContext( wxGraphicsRenderer* renderer, const wxMemoryDC& dc )
 : wxGraphicsContext(renderer)
 {
 wxCairoContext::wxCairoContext( wxGraphicsRenderer* renderer, const wxMemoryDC& dc )
 : wxGraphicsContext(renderer)
 {

+    int width, height;
+    dc.GetSize( &width, &height );
+    m_width = width;
+    m_height = height;
+
+    m_enableOffset = true;
+    

 #ifdef __WXGTK20__
     wxGTKDCImpl *impldc = (wxGTKDCImpl*) dc.GetImpl();
     Init( gdk_cairo_create( impldc->GetGDKWindow() ) );
 #ifdef __WXGTK20__
     wxGTKDCImpl *impldc = (wxGTKDCImpl*) dc.GetImpl();
     Init( gdk_cairo_create( impldc->GetGDKWindow() ) );


@@ -1198,8 +1281,6 @@ wxCairoContext::wxCairoContext( wxGraphicsRenderer* renderer, const wxMemoryDC&
 #endif
 
 #ifdef __WXMAC__
 #endif
 
 #ifdef __WXMAC__

-    int width, height;
-    dc.GetSize( &width, &height );

     CGContextRef cgcontext = (CGContextRef)dc.GetWindow()->MacGetCGContextRef();
     cairo_surface_t* surface = cairo_quartz_surface_create_for_cg_context(cgcontext, width, height);
     Init( cairo_create( surface ) );
     CGContextRef cgcontext = (CGContextRef)dc.GetWindow()->MacGetCGContextRef();
     cairo_surface_t* surface = cairo_quartz_surface_create_for_cg_context(cgcontext, width, height);
     Init( cairo_create( surface ) );


@@ -1212,18 +1293,38 @@ wxCairoContext::wxCairoContext( wxGraphicsRenderer* renderer, GdkDrawable *drawa
 : wxGraphicsContext(renderer)
 {
     Init( gdk_cairo_create( drawable ) );
 : wxGraphicsContext(renderer)
 {
     Init( gdk_cairo_create( drawable ) );

+
+    int width, height;
+    gdk_drawable_get_size( drawable, &width, &height );
+    m_width = width;
+    m_height = height;
+}
+#endif
+
+#ifdef __WXMSW__
+wxCairoContext::wxCairoContext( wxGraphicsRenderer* renderer, HDC handle )
+: wxGraphicsContext(renderer)
+{
+    m_mswSurface = cairo_win32_surface_create(handle);
+    Init( cairo_create(m_mswSurface) );
+    m_width =
+    m_height = 0;

 }
 #endif
 
 }
 #endif
 

+

 wxCairoContext::wxCairoContext( wxGraphicsRenderer* renderer, cairo_t *context )
 : wxGraphicsContext(renderer)
 {
     Init( context );
 wxCairoContext::wxCairoContext( wxGraphicsRenderer* renderer, cairo_t *context )
 : wxGraphicsContext(renderer)
 {
     Init( context );

+    m_width =
+    m_height = 0;

 }
 
 wxCairoContext::wxCairoContext( wxGraphicsRenderer* renderer, wxWindow *window)
 : wxGraphicsContext(renderer)
 {
 }
 
 wxCairoContext::wxCairoContext( wxGraphicsRenderer* renderer, wxWindow *window)
 : wxGraphicsContext(renderer)
 {

+    m_enableOffset = true;    

 #ifdef __WXGTK__
     // something along these lines (copied from dcclient)
 
 #ifdef __WXGTK__
     // something along these lines (copied from dcclient)
 


@@ -1238,7 +1339,17 @@ wxCairoContext::wxCairoContext( wxGraphicsRenderer* renderer, wxWindow *window)
     wxASSERT_MSG( window->m_wxwindow, wxT("wxCairoContext needs a widget") );
 
     Init(gdk_cairo_create(window->GTKGetDrawingWindow()));
     wxASSERT_MSG( window->m_wxwindow, wxT("wxCairoContext needs a widget") );
 
     Init(gdk_cairo_create(window->GTKGetDrawingWindow()));

+
+    wxSize sz = window->GetSize();
+    m_width = sz.x;
+    m_height = sz.y;

 #endif
 #endif

+
+#ifdef __WXMSW__
+    m_mswSurface = cairo_win32_surface_create((HDC)window->GetHandle());
+    Init(cairo_create(m_mswSurface));
+#endif
+

 }
 
 wxCairoContext::~wxCairoContext()
 }
 
 wxCairoContext::~wxCairoContext()


@@ -1249,6 +1360,10 @@ wxCairoContext::~wxCairoContext()
         PopState();
         cairo_destroy(m_context);
     }
         PopState();
         cairo_destroy(m_context);
     }

+#ifdef __WXMSW__
+    if ( m_mswSurface )
+        cairo_surface_destroy(m_mswSurface);
+#endif

 }
 
 void wxCairoContext::Init(cairo_t *context)
 }
 
 void wxCairoContext::Init(cairo_t *context)


@@ -1394,10 +1509,10 @@ void wxCairoContext::DrawBitmap(const wxGraphicsBitmap &bmp, wxDouble x, wxDoubl
 
     wxDouble scaleX = w / size.GetWidth();
     wxDouble scaleY = h / size.GetHeight();
 
     wxDouble scaleX = w / size.GetWidth();
     wxDouble scaleY = h / size.GetHeight();

-    cairo_scale(m_context, scaleX, scaleY);

 
     // prepare to draw the image
     cairo_translate(m_context, x, y);
 
     // prepare to draw the image
     cairo_translate(m_context, x, y);

+    cairo_scale(m_context, scaleX, scaleY);

     cairo_set_source(m_context, pattern);
     // use the original size here since the context is scaled already...
     cairo_rectangle(m_context, 0, 0, size.GetWidth(), size.GetHeight());
     cairo_set_source(m_context, pattern);
     // use the original size here since the context is scaled already...
     cairo_rectangle(m_context, 0, 0, size.GetWidth(), size.GetHeight());


@@ -1437,8 +1552,8 @@ void wxCairoContext::DoDrawText(const wxString& str, wxDouble x, wxDouble y)
     wxCairoFontData* font_data = (wxCairoFontData*) m_font.GetRefData();
     pango_layout_set_font_description( layout, font_data->GetFont());
     pango_layout_set_text(layout, data, datalen);
     wxCairoFontData* font_data = (wxCairoFontData*) m_font.GetRefData();
     pango_layout_set_font_description( layout, font_data->GetFont());
     pango_layout_set_text(layout, data, datalen);

-    
-    if (font_data->GetUnderlined()) 
+
+    if (font_data->GetUnderlined())

     {
         PangoAttrList *attrs = pango_attr_list_new();
         PangoAttribute *attr = pango_attr_underline_new(PANGO_UNDERLINE_SINGLE);
     {
         PangoAttrList *attrs = pango_attr_list_new();
         PangoAttribute *attr = pango_attr_underline_new(PANGO_UNDERLINE_SINGLE);


@@ -1564,7 +1679,7 @@ bool wxCairoContext::SetAntialiasMode(wxAntialiasMode antialias)
         return true;
 
     m_antialias = antialias;
         return true;
 
     m_antialias = antialias;

-    
+

     cairo_antialias_t antialiasMode;
     switch (antialias)
     {
     cairo_antialias_t antialiasMode;
     switch (antialias)
     {


@@ -1581,11 +1696,17 @@ bool wxCairoContext::SetAntialiasMode(wxAntialiasMode antialias)
     return true;
 }
 
     return true;
 }
 

+bool wxCairoContext::SetInterpolationQuality(wxInterpolationQuality WXUNUSED(interpolation))
+{
+    // placeholder
+    return false;
+}
+

 bool wxCairoContext::SetCompositionMode(wxCompositionMode op)
 {
     if ( m_composition == op )
         return true;
 bool wxCairoContext::SetCompositionMode(wxCompositionMode op)
 {
     if ( m_composition == op )
         return true;

-        
+

     m_composition = op;
     cairo_operator_t cop;
     switch (op)
     m_composition = op;
     cairo_operator_t cop;
     switch (op)


@@ -1649,7 +1770,7 @@ void wxCairoContext::EndLayer()
     cairo_pop_group_to_source(m_context);
     cairo_paint_with_alpha(m_context,opacity);
 }
     cairo_pop_group_to_source(m_context);
     cairo_paint_with_alpha(m_context,opacity);
 }

-    
+

 //-----------------------------------------------------------------------------
 // wxCairoRenderer declaration
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
 // wxCairoRenderer declaration
 //-----------------------------------------------------------------------------


@@ -1674,7 +1795,11 @@ public :
     virtual wxGraphicsContext * CreateContext( wxWindow* window );
 
     virtual wxGraphicsContext * CreateMeasuringContext();
     virtual wxGraphicsContext * CreateContext( wxWindow* window );
 
     virtual wxGraphicsContext * CreateMeasuringContext();

-
+#ifdef __WXMSW__
+#if wxUSE_ENH_METAFILE
+    virtual wxGraphicsContext * CreateContext( const wxEnhMetaFileDC& dc);
+#endif
+#endif

     // Path
 
     virtual wxGraphicsPath CreatePath();
     // Path
 
     virtual wxGraphicsPath CreatePath();


@@ -1689,14 +1814,16 @@ public :
 
     virtual wxGraphicsBrush CreateBrush(const wxBrush& brush ) ;
 
 
     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) ;
+    virtual wxGraphicsBrush
+    CreateLinearGradientBrush(wxDouble x1, wxDouble y1,
+                              wxDouble x2, wxDouble y2,
+                              const wxGraphicsGradientStops& stops);

 
 

-    // 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) ;
+    virtual wxGraphicsBrush
+    CreateRadialGradientBrush(wxDouble xo, wxDouble yo,
+                              wxDouble xc, wxDouble yc,
+                              wxDouble radius,
+                              const wxGraphicsGradientStops& stops);

 
     // sets the font
     virtual wxGraphicsFont CreateFont( const wxFont &font , const wxColour &col = *wxBLACK ) ;
 
     // sets the font
     virtual wxGraphicsFont CreateFont( const wxFont &font , const wxColour &col = *wxBLACK ) ;


@@ -1704,6 +1831,9 @@ public :
     // create a native bitmap representation
     virtual wxGraphicsBitmap CreateBitmap( const wxBitmap &bitmap );
 
     // create a native bitmap representation
     virtual wxGraphicsBitmap CreateBitmap( const wxBitmap &bitmap );
 

+    // 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  );
 
     // create a subimage from a native image representation
     virtual wxGraphicsBitmap CreateSubBitmap( const wxGraphicsBitmap &bitmap, wxDouble x, wxDouble y, wxDouble w, wxDouble h  );
 


@@ -1722,13 +1852,6 @@ static wxCairoRenderer gs_cairoGraphicsRenderer;
 extern wxGraphicsRenderer* gCairoRenderer;
 wxGraphicsRenderer* gCairoRenderer = &gs_cairoGraphicsRenderer;
 
 extern wxGraphicsRenderer* gCairoRenderer;
 wxGraphicsRenderer* gCairoRenderer = &gs_cairoGraphicsRenderer;
 

-#ifdef __WXGTK__
-wxGraphicsRenderer* wxGraphicsRenderer::GetDefaultRenderer()
-{
-    return &gs_cairoGraphicsRenderer;
-}
-#endif
-

 wxGraphicsContext * wxCairoRenderer::CreateContext( const wxWindowDC& dc)
 {
     return new wxCairoContext(this,dc);
 wxGraphicsContext * wxCairoRenderer::CreateContext( const wxWindowDC& dc)
 {
     return new wxCairoContext(this,dc);


@@ -1751,9 +1874,22 @@ wxGraphicsContext * wxCairoRenderer::CreateContext( const wxPrinterDC& dc)
        return NULL;
 }
 
        return NULL;
 }
 

+#ifdef __WXMSW__
+#if wxUSE_ENH_METAFILE
+wxGraphicsContext * wxCairoRenderer::CreateContext( const wxEnhMetaFileDC& dc)
+{
+    return NULL;
+}
+#endif
+#endif
+

 wxGraphicsContext * wxCairoRenderer::CreateContextFromNativeContext( void * context )
 {
 wxGraphicsContext * wxCairoRenderer::CreateContextFromNativeContext( void * context )
 {

+#ifdef __WXMSW__
+    return new wxCairoContext(this,(HDC)context);
+#else

     return new wxCairoContext(this,(cairo_t*)context);
     return new wxCairoContext(this,(cairo_t*)context);

+#endif

 }
 
 
 }
 
 


@@ -1805,7 +1941,7 @@ wxGraphicsMatrix wxCairoRenderer::CreateMatrix( wxDouble a, wxDouble b, wxDouble
 
 wxGraphicsPen wxCairoRenderer::CreatePen(const wxPen& pen)
 {
 
 wxGraphicsPen wxCairoRenderer::CreatePen(const wxPen& pen)
 {

-    if ( !pen.Ok() || pen.GetStyle() == wxPENSTYLE_TRANSPARENT )
+    if ( !pen.IsOk() || pen.GetStyle() == wxPENSTYLE_TRANSPARENT )

         return wxNullGraphicsPen;
     else
     {
         return wxNullGraphicsPen;
     else
     {


@@ -1817,7 +1953,7 @@ wxGraphicsPen wxCairoRenderer::CreatePen(const wxPen& pen)
 
 wxGraphicsBrush wxCairoRenderer::CreateBrush(const wxBrush& brush )
 {
 
 wxGraphicsBrush wxCairoRenderer::CreateBrush(const wxBrush& brush )
 {

-    if ( !brush.Ok() || brush.GetStyle() == wxBRUSHSTYLE_TRANSPARENT )
+    if ( !brush.IsOk() || brush.GetStyle() == wxBRUSHSTYLE_TRANSPARENT )

         return wxNullGraphicsBrush;
     else
     {
         return wxNullGraphicsBrush;
     else
     {


@@ -1827,25 +1963,26 @@ wxGraphicsBrush wxCairoRenderer::CreateBrush(const wxBrush& brush )
     }
 }
 
     }
 }
 

-// sets the brush to a linear gradient, starting at (x1,y1) with color c1 to (x2,y2) with color c2
-wxGraphicsBrush wxCairoRenderer::CreateLinearGradientBrush( wxDouble x1, wxDouble y1, wxDouble x2, wxDouble y2,
-                                                                      const wxColour&c1, const wxColour&c2)
+wxGraphicsBrush
+wxCairoRenderer::CreateLinearGradientBrush(wxDouble x1, wxDouble y1,
+                                           wxDouble x2, wxDouble y2,
+                                           const wxGraphicsGradientStops& stops)

 {
     wxGraphicsBrush p;
     wxCairoBrushData* d = new wxCairoBrushData( this );
 {
     wxGraphicsBrush p;
     wxCairoBrushData* d = new wxCairoBrushData( this );

-    d->CreateLinearGradientBrush(x1, y1, x2, y2, c1, c2);
+    d->CreateLinearGradientBrush(x1, y1, x2, y2, stops);

     p.SetRefData(d);
     return p;
 }
 
     p.SetRefData(d);
     return p;
 }
 

-// 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 wxCairoRenderer::CreateRadialGradientBrush( wxDouble xo, wxDouble yo, wxDouble xc, wxDouble yc, wxDouble radius,
-                                                                      const wxColour &oColor, const wxColour &cColor)
+wxGraphicsBrush
+wxCairoRenderer::CreateRadialGradientBrush(wxDouble xo, wxDouble yo,
+                                           wxDouble xc, wxDouble yc, wxDouble r,
+                                           const wxGraphicsGradientStops& stops)

 {
     wxGraphicsBrush p;
     wxCairoBrushData* d = new wxCairoBrushData( this );
 {
     wxGraphicsBrush p;
     wxCairoBrushData* d = new wxCairoBrushData( this );

-    d->CreateRadialGradientBrush(xo,yo,xc,yc,radius,oColor,cColor);
+    d->CreateRadialGradientBrush(xo, yo, xc, yc, r, stops);

     p.SetRefData(d);
     return p;
 }
     p.SetRefData(d);
     return p;
 }


@@ -1853,7 +1990,7 @@ wxGraphicsBrush wxCairoRenderer::CreateRadialGradientBrush( wxDouble xo, wxDoubl
 // sets the font
 wxGraphicsFont wxCairoRenderer::CreateFont( const wxFont &font , const wxColour &col )
 {
 // sets the font
 wxGraphicsFont wxCairoRenderer::CreateFont( const wxFont &font , const wxColour &col )
 {

-    if ( font.Ok() )
+    if ( font.IsOk() )

     {
         wxGraphicsFont p;
         p.SetRefData(new wxCairoFontData( this , font, col ));
     {
         wxGraphicsFont p;
         p.SetRefData(new wxCairoFontData( this , font, col ));


@@ -1863,9 +2000,9 @@ wxGraphicsFont wxCairoRenderer::CreateFont( const wxFont &font , const wxColour
         return wxNullGraphicsFont;
 }
 
         return wxNullGraphicsFont;
 }
 

-wxGraphicsBitmap wxGraphicsRenderer::CreateBitmap( const wxBitmap& bmp )
+wxGraphicsBitmap wxCairoRenderer::CreateBitmap( const wxBitmap& bmp )

 {
 {

-    if ( bmp.Ok() )
+    if ( bmp.IsOk() )

     {
         wxGraphicsBitmap p;
         p.SetRefData(new wxCairoBitmapData( this , bmp ));
     {
         wxGraphicsBitmap p;
         p.SetRefData(new wxCairoBitmapData( this , bmp ));


@@ -1875,10 +2012,50 @@ wxGraphicsBitmap wxGraphicsRenderer::CreateBitmap( const wxBitmap& bmp )
         return wxNullGraphicsBitmap;
 }
 
         return wxNullGraphicsBitmap;
 }
 

-wxGraphicsBitmap wxGraphicsRenderer::CreateSubBitmap( const wxGraphicsBitmap &bitmap, wxDouble x, wxDouble y, wxDouble w, wxDouble h  )
+wxGraphicsBitmap wxCairoRenderer::CreateBitmapFromNativeBitmap( void* bitmap )
+{
+    if ( bitmap != NULL )
+    {
+        wxGraphicsBitmap p;
+        p.SetRefData(new wxCairoBitmapData( this , (cairo_surface_t*) bitmap ));
+        return p;
+    }
+    else
+        return wxNullGraphicsBitmap;
+}
+
+wxGraphicsBitmap
+wxCairoRenderer::CreateSubBitmap(const wxGraphicsBitmap& WXUNUSED(bitmap),
+                                 wxDouble WXUNUSED(x),
+                                 wxDouble WXUNUSED(y),
+                                 wxDouble WXUNUSED(w),
+                                 wxDouble WXUNUSED(h))

 {
     wxFAIL_MSG("wxCairoRenderer::CreateSubBitmap is not implemented.");
     return wxNullGraphicsBitmap;
 }
 
 {
     wxFAIL_MSG("wxCairoRenderer::CreateSubBitmap is not implemented.");
     return wxNullGraphicsBitmap;
 }
 

-#endif  // wxUSE_GRAPHICS_CONTEXT
+wxGraphicsRenderer* wxGraphicsRenderer::GetCairoRenderer()
+{
+    return &gs_cairoGraphicsRenderer;
+}
+
+#else // !wxUSE_CAIRO
+
+wxGraphicsRenderer* wxGraphicsRenderer::GetCairoRenderer()
+{
+    return NULL;
+}
+
+#endif  // wxUSE_CAIRO/!wxUSE_CAIRO
+
+// MSW and OS X have their own native default renderers, but the other ports
+// use Cairo by default
+#if !(defined(__WXMSW__) || defined(__WXOSX__))
+wxGraphicsRenderer* wxGraphicsRenderer::GetDefaultRenderer()
+{
+    return GetCairoRenderer();
+}
+#endif // !(__WXMSW__ || __WXOSX__)
+
+#endif // wxUSE_GRAPHICS_CONTEXT