// 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, int fillStyle = wxWINDING_RULE) const;
+ virtual bool Contains( wxDouble x, wxDouble y, wxPolygonFillMode fillStyle = wxWINDING_RULE) const;
private :
cairo_t* m_pathContext;
virtual void Apply( wxGraphicsContext* context );
#ifdef __WXGTK__
const PangoFontDescription* GetFont() const { return m_font; }
+ bool GetUnderlined() const { return m_underlined; }
#endif
private :
double m_size;
+ bool m_underlined;
double m_red;
double m_green;
double m_blue;
virtual void * GetNativeContext();
- virtual bool SetLogicalFunction( wxRasterOperationMode function );
+ virtual bool SetAntialiasMode(wxAntialiasMode antialias);
+ 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 , int fillStyle = wxWINDING_RULE );
+ virtual void FillPath( const wxGraphicsPath& p , wxPolygonFillMode fillStyle = wxWINDING_RULE );
virtual void Translate( wxDouble dx , wxDouble dy );
virtual void Scale( wxDouble xScale , wxDouble yScale );
virtual void DoDrawText( const wxString &str, wxDouble x, wxDouble y );
cairo_t* m_context;
+
+ wxVector<float> m_layerOpacities;
- DECLARE_NO_COPY_CLASS(wxCairoContext)
+ wxDECLARE_NO_COPY_CLASS(wxCairoContext);
};
//-----------------------------------------------------------------------------
m_blue = col.Blue()/255.0;
m_alpha = col.Alpha()/255.0;
m_size = font.GetPointSize();
+ m_underlined = font.GetUnderlined();
#ifdef __WXMAC__
m_font = cairo_atsui_font_face_create_for_atsu_font_id( font.MacGetATSUFontID() );
}
}
-bool wxCairoPathData::Contains( wxDouble x, wxDouble y, int WXUNUSED(fillStyle) ) const
+bool wxCairoPathData::Contains( wxDouble x, wxDouble y, wxPolygonFillMode WXUNUSED(fillStyle) ) const
{
return cairo_in_stroke( m_pathContext, x, y) != 0;
}
}
}
-void wxCairoContext::FillPath( const wxGraphicsPath& path , int fillStyle )
+void wxCairoContext::FillPath( const wxGraphicsPath& path , wxPolygonFillMode fillStyle )
{
if ( !m_brush.IsNull() )
{
size_t datalen = strlen(data);
PangoLayout *layout = pango_cairo_create_layout (m_context);
- pango_layout_set_font_description( layout, ((wxCairoFontData*)m_font.GetRefData())->GetFont());
+ 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())
+ {
+ PangoAttrList *attrs = pango_attr_list_new();
+ PangoAttribute *attr = pango_attr_underline_new(PANGO_UNDERLINE_SINGLE);
+ pango_attr_list_insert(attrs, attr);
+ pango_layout_set_attributes(layout, attrs);
+ pango_attr_list_unref(attrs);
+ }
+
cairo_move_to(m_context, x, y);
pango_cairo_show_layout (m_context, layout);
return m_context;
}
-// Cairo doesn't support bitwise logical function (a.k.a. ROP, raster output
-// mode). Cairo supports Porter-Duff compositing operators, but they are quite
-// different, although in some cases have similar names.
-bool wxCairoContext::SetLogicalFunction( wxRasterOperationMode function )
+bool wxCairoContext::SetAntialiasMode(wxAntialiasMode antialias)
{
- if (m_logicalFunction == function)
+ if (m_antialias == antialias)
return true;
- cairo_operator_t op;
+ m_antialias = antialias;
+
+ cairo_antialias_t antialiasMode;
+ switch (antialias)
+ {
+ case wxANTIALIAS_DEFAULT:
+ antialiasMode = CAIRO_ANTIALIAS_DEFAULT;
+ break;
+ case wxANTIALIAS_NONE:
+ antialiasMode = CAIRO_ANTIALIAS_NONE;
+ break;
+ default:
+ return false;
+ }
+ cairo_set_antialias(m_context, antialiasMode);
+ return true;
+}
- switch ( function )
+bool wxCairoContext::SetCompositionMode(wxCompositionMode op)
+{
+ if ( m_composition == op )
+ return true;
+
+ m_composition = op;
+ cairo_operator_t cop;
+ switch (op)
{
- case wxCOPY: // (default) src
- op = CAIRO_OPERATOR_OVER; // (also default)
+ case wxCOMPOSITION__CLEAR:
+ cop = CAIRO_OPERATOR_CLEAR;
break;
- case wxOR: // src OR dst
- op = CAIRO_OPERATOR_ADD;
+ case wxCOMPOSITION_SOURCE:
+ cop = CAIRO_OPERATOR_SOURCE;
break;
- case wxNO_OP: // dst
- op = CAIRO_OPERATOR_DEST; // ignore the source
+ case wxCOMPOSITION_OVER:
+ cop = CAIRO_OPERATOR_OVER;
break;
- case wxCLEAR: // 0
- op = CAIRO_OPERATOR_CLEAR;// clear dst
+ case wxCOMPOSITION_IN:
+ cop = CAIRO_OPERATOR_IN;
+ break;
+ case wxCOMPOSITION_OUT:
+ cop = CAIRO_OPERATOR_OUT;
+ break;
+ case wxCOMPOSITION_ATOP:
+ cop = CAIRO_OPERATOR_ATOP;
+ break;
+ case wxCOMPOSITION_DEST:
+ cop = CAIRO_OPERATOR_DEST;
+ break;
+ case wxCOMPOSITION_DEST_OVER:
+ cop = CAIRO_OPERATOR_DEST_OVER;
+ break;
+ case wxCOMPOSITION_DEST_IN:
+ cop = CAIRO_OPERATOR_DEST_IN;
+ break;
+ case wxCOMPOSITION_DEST_OUT:
+ cop = CAIRO_OPERATOR_DEST_OUT;
+ break;
+ case wxCOMPOSITION_DEST_ATOP:
+ cop = CAIRO_OPERATOR_DEST_ATOP;
+ break;
+ case wxCOMPOSITION_XOR:
+ cop = CAIRO_OPERATOR_XOR;
+ break;
+ case wxCOMPOSITION_ADD:
+ cop = CAIRO_OPERATOR_ADD;
break;
-
- case wxAND: // src AND dst
- case wxAND_INVERT: // (NOT src) AND dst
- case wxAND_REVERSE:// src AND (NOT dst)
- case wxEQUIV: // (NOT src) XOR dst
- case wxINVERT: // NOT dst
- case wxNAND: // (NOT src) OR (NOT dst)
- case wxNOR: // (NOT src) AND (NOT dst)
- case wxOR_INVERT: // (NOT src) OR dst
- case wxOR_REVERSE: // src OR (NOT dst)
- case wxSET: // 1
- case wxSRC_INVERT: // NOT src
- //wxXOR does _not_ correspond to CAIRO_OPERATOR_XOR
- case wxXOR: // src XOR dst
default:
return false;
}
-
- m_logicalFunction = function;
- cairo_set_operator(m_context, op);
+ cairo_set_operator(m_context, cop);
return true;
}
+void wxCairoContext::BeginLayer(wxDouble opacity)
+{
+ m_layerOpacities.push_back(opacity);
+ cairo_push_group(m_context);
+}
+void wxCairoContext::EndLayer()
+{
+ float opacity = m_layerOpacities.back();
+ m_layerOpacities.pop_back();
+ cairo_pop_group_to_source(m_context);
+ cairo_paint_with_alpha(m_context,opacity);
+}
+
//-----------------------------------------------------------------------------
// wxCairoRenderer declaration
//-----------------------------------------------------------------------------