X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/0db8a70e0c72a9de720b13f76f9e53ec0e9a11fd..245f96e890ee8912bb6b356239fa55b0706a769a:/src/generic/graphicc.cpp diff --git a/src/generic/graphicc.cpp b/src/generic/graphicc.cpp old mode 100755 new mode 100644 index 87b4360a66..d2150dfae9 --- a/src/generic/graphicc.cpp +++ b/src/generic/graphicc.cpp @@ -11,66 +11,31 @@ #include "wx/wxprec.h" -#include "wx/dc.h" - #ifdef __BORLANDC__ -#pragma hdrstop -#endif - -#ifndef WX_PRECOMP -#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" + #pragma hdrstop #endif -#ifdef __WXGTK__ -#include "wx/gtk/win_gtk.h" -#endif - -#include "wx/graphics.h" - #if wxUSE_GRAPHICS_CONTEXT -#include - -using namespace std; +#include "wx/graphics.h" -//----------------------------------------------------------------------------- -// constants -//----------------------------------------------------------------------------- +#if wxUSE_CAIRO -const double RAD2DEG = 180.0 / M_PI; +#include "wx/cairo.h" -//----------------------------------------------------------------------------- -// Local functions -//----------------------------------------------------------------------------- +#ifndef WX_PRECOMP + #include "wx/bitmap.h" + #include "wx/icon.h" + #include "wx/dcclient.h" + #include "wx/dcmemory.h" + #include "wx/dcprint.h" +#endif -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; -} +#include "wx/private/graphics.h" +#include "wx/rawbmp.h" +#include "wx/vector.h" -static inline double DegToRad(double deg) -{ - return (deg * M_PI) / 180.0; -} -static inline double RadToDeg(double deg) -{ - return (deg * 180.0) / M_PI; -} +using namespace std; //----------------------------------------------------------------------------- // device context implementation @@ -99,8 +64,24 @@ static inline double RadToDeg(double deg) #endif #include +#ifdef __WXMSW__ +#include +#endif + #ifdef __WXGTK__ #include +#include "wx/fontutil.h" +#include "wx/gtk/dc.h" +#endif + +#ifdef __WXMSW__ +#include +#endif + +#ifdef __WXMAC__ +#include "wx/osx/private.h" +#include +#include #endif class WXDLLIMPEXP_CORE wxCairoPathData : public wxGraphicsPathData @@ -144,7 +125,7 @@ public : /* - // 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 ) ; // appends an ellipsis as a new closed subpath fitting the passed rectangle virtual void AddEllipsis( wxDouble x, wxDouble y, wxDouble w , wxDouble h ) ; @@ -165,7 +146,7 @@ public : // 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; @@ -183,9 +164,13 @@ public : virtual void Concat( const wxGraphicsMatrixData *t ); // sets the matrix to the respective values - virtual void Set(wxDouble a=1.0, wxDouble b=0.0, wxDouble c=0.0, wxDouble d=1.0, + virtual void Set(wxDouble a=1.0, wxDouble b=0.0, wxDouble c=0.0, wxDouble d=1.0, wxDouble tx=0.0, wxDouble ty=0.0); + // gets the component valuess of the matrix + virtual void Get(wxDouble* a=NULL, wxDouble* b=NULL, wxDouble* c=NULL, + wxDouble* d=NULL, wxDouble* tx=NULL, wxDouble* ty=NULL) const; + // makes this the inverse matrix virtual void Invert(); @@ -206,7 +191,7 @@ public : virtual void Scale( wxDouble xScale , wxDouble yScale ); // add the rotation to this matrix (radians) - virtual void Rotate( wxDouble angle ); + virtual void Rotate( wxDouble angle ); // // apply the transforms @@ -237,12 +222,12 @@ public: private : double m_width; - + double m_red; double m_green; double m_blue; double m_alpha; - + cairo_line_cap_t m_cap; cairo_line_join_t m_join; @@ -251,6 +236,8 @@ private : double *m_userLengths; wxPen m_pen; + + wxDECLARE_NO_COPY_CLASS(wxCairoPenData); }; class WXDLLIMPEXP_CORE wxCairoBrushData : public wxGraphicsObjectRefData @@ -261,14 +248,20 @@ public: ~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(); + // common part of Create{Linear,Radial}GradientBrush() + void AddGradientStops(const wxGraphicsGradientStops& stops); + private : double m_red; double m_green; @@ -285,23 +278,55 @@ public: ~wxCairoFontData(); virtual void Apply( wxGraphicsContext* context ); +#ifdef __WXGTK__ + const PangoFontDescription* GetFont() const { return m_font; } + bool GetUnderlined() const { return m_underlined; } +#endif private : - wxCharBuffer m_fontName; double m_size; - cairo_font_slant_t m_slant; - cairo_font_weight_t m_weight; + bool m_underlined; double m_red; double m_green; double m_blue; double m_alpha; +#ifdef __WXMAC__ + cairo_font_face_t *m_font; +#elif defined(__WXGTK__) + PangoFontDescription* m_font; +#else + wxCharBuffer m_fontName; + cairo_font_slant_t m_slant; + cairo_font_weight_t m_weight; +#endif +#ifdef __WXMSW__ + wxCairoContext( wxGraphicsRenderer* renderer, HDC context ); +#endif }; -class WXDLLIMPEXP_CORE wxCairoContext : public wxGraphicsContext +class wxCairoBitmapData : public wxGraphicsObjectRefData { - DECLARE_NO_COPY_CLASS(wxCairoContext) +public: + wxCairoBitmapData( wxGraphicsRenderer* renderer, const wxBitmap& bmp ); + wxCairoBitmapData( wxGraphicsRenderer* renderer, cairo_surface_t* bitmap ); + ~wxCairoBitmapData(); + virtual cairo_surface_t* GetCairoSurface() { return m_surface; } + virtual cairo_pattern_t* GetCairoPattern() { return m_pattern; } + virtual wxSize GetSize() { return wxSize(m_width, m_height); } +private : + cairo_surface_t* m_surface; + cairo_pattern_t* m_pattern; + int m_width; + int m_height; + unsigned char* m_buffer; +}; + +class WXDLLIMPEXP_CORE wxCairoContext : public wxGraphicsContext +{ public: wxCairoContext( wxGraphicsRenderer* renderer, const wxWindowDC& dc ); + wxCairoContext( wxGraphicsRenderer* renderer, const wxMemoryDC& dc ); + wxCairoContext( wxGraphicsRenderer* renderer, const wxPrinterDC& dc ); #ifdef __WXGTK__ wxCairoContext( wxGraphicsRenderer* renderer, GdkDrawable *drawable ); #endif @@ -310,7 +335,22 @@ public: wxCairoContext(); virtual ~wxCairoContext(); + virtual bool ShouldOffset() const + { + int penwidth = 0 ; + if ( !m_pen.IsNull() ) + { + penwidth = (int)((wxCairoPenData*)m_pen.GetRefData())->GetWidth(); + if ( penwidth == 0 ) + penwidth = 1; + } + return ( penwidth % 2 ) == 1; + } + virtual void Clip( const wxRegion ®ion ); +#ifdef __WXMSW__ + cairo_surface_t* m_mswSurface; +#endif // clips drawings to the rect virtual void Clip( wxDouble x, wxDouble y, wxDouble w, wxDouble h ); @@ -320,8 +360,16 @@ public: virtual void * GetNativeContext(); + 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 ); @@ -336,18 +384,27 @@ public: // gets the matrix of this context virtual wxGraphicsMatrix GetTransform() const; + 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(); - 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; +protected: + virtual void DoDrawText( const wxString &str, wxDouble x, wxDouble y ); + private: + void Init(cairo_t *context); + cairo_t* m_context; + + wxVector m_layerOpacities; + + wxDECLARE_NO_COPY_CLASS(wxCairoContext); }; //----------------------------------------------------------------------------- @@ -369,7 +426,7 @@ void wxCairoPenData::Init() wxCairoPenData::wxCairoPenData( wxGraphicsRenderer* renderer, const wxPen &pen ) : wxGraphicsObjectRefData(renderer) -{ +{ Init(); m_pen = pen; m_width = m_pen.GetWidth(); @@ -377,7 +434,7 @@ wxCairoPenData::wxCairoPenData( wxGraphicsRenderer* renderer, const wxPen &pen ) m_width = 0.1; m_red = m_pen.GetColour().Red()/255.0; - m_green = m_pen.GetColour().Green()/255.0; + m_green = m_pen.GetColour().Green()/255.0; m_blue = m_pen.GetColour().Blue()/255.0; m_alpha = m_pen.GetColour().Alpha()/255.0; @@ -439,32 +496,32 @@ wxCairoPenData::wxCairoPenData( wxGraphicsRenderer* renderer, const wxPen &pen ) switch ( m_pen.GetStyle() ) { - case wxSOLID : + case wxPENSTYLE_SOLID : break; - case wxDOT : + case wxPENSTYLE_DOT : m_count = WXSIZEOF(dotted); m_userLengths = new double[ m_count ] ; memcpy( m_userLengths, dotted, sizeof(dotted) ); m_lengths = m_userLengths; break; - case wxLONG_DASH : - m_lengths = dotted ; + case wxPENSTYLE_LONG_DASH : + m_lengths = dashed ; m_count = WXSIZEOF(dashed); break; - case wxSHORT_DASH : - m_lengths = dotted ; + case wxPENSTYLE_SHORT_DASH : + m_lengths = short_dashed ; m_count = WXSIZEOF(short_dashed); break; - case wxDOT_DASH : - m_lengths = dotted ; + case wxPENSTYLE_DOT_DASH : + m_lengths = dotted_dashed ; m_count = WXSIZEOF(dotted_dashed); break; - case wxUSER_DASH : + case wxPENSTYLE_USER_DASH : { wxDash *wxdashes ; m_count = m_pen.GetDashes( &wxdashes ) ; @@ -484,7 +541,7 @@ wxCairoPenData::wxCairoPenData( wxGraphicsRenderer* renderer, const wxPen &pen ) m_lengths = m_userLengths ; } break; - case wxSTIPPLE : + case wxPENSTYLE_STIPPLE : { /* wxBitmap* bmp = pen.GetStipple(); @@ -500,29 +557,30 @@ wxCairoPenData::wxCairoPenData( wxGraphicsRenderer* renderer, const wxPen &pen ) } break; default : - if ( m_pen.GetStyle() >= wxFIRST_HATCH && m_pen.GetStyle() <= wxLAST_HATCH ) + if ( m_pen.GetStyle() >= wxPENSTYLE_FIRST_HATCH + && m_pen.GetStyle() <= wxPENSTYLE_LAST_HATCH ) { /* wxDELETE( m_penBrush ); HatchStyle style = HatchStyleHorizontal; 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 ; @@ -560,13 +618,13 @@ wxCairoBrushData::wxCairoBrushData( wxGraphicsRenderer* renderer, const wxBrush : wxGraphicsObjectRefData(renderer) { Init(); - + m_red = brush.GetColour().Red()/255.0; - m_green = brush.GetColour().Green()/255.0; + m_green = brush.GetColour().Green()/255.0; m_blue = brush.GetColour().Blue()/255.0; m_alpha = brush.GetColour().Alpha()/255.0; /* - if ( brush.GetStyle() == wxSOLID) + if ( brush.GetStyle() == wxBRUSHSTYLE_SOLID) { m_brush = new SolidBrush( Color( brush.GetColour().Alpha() , brush.GetColour().Red() , brush.GetColour().Green() , brush.GetColour().Blue() ) ); @@ -576,22 +634,22 @@ wxCairoBrushData::wxCairoBrushData( wxGraphicsRenderer* renderer, const wxBrush HatchStyle style = HatchStyleHorizontal; 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 ; @@ -599,7 +657,7 @@ wxCairoBrushData::wxCairoBrushData( wxGraphicsRenderer* renderer, const wxBrush m_brush = new HatchBrush(style,Color( brush.GetColour().Alpha() , brush.GetColour().Red() , brush.GetColour().Green() , brush.GetColour().Blue() ), Color.Transparent ); } - else + else { wxBitmap* bmp = brush.GetStipple(); if ( bmp && bmp->Ok() ) @@ -631,26 +689,50 @@ 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); - 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); - 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() @@ -662,32 +744,50 @@ void wxCairoBrushData::Init() // wxCairoFontData implementation //----------------------------------------------------------------------------- -wxCairoFontData::wxCairoFontData( wxGraphicsRenderer* renderer, const wxFont &font, +wxCairoFontData::wxCairoFontData( wxGraphicsRenderer* renderer, const wxFont &font, const wxColour& col ) : wxGraphicsObjectRefData(renderer) { m_red = col.Red()/255.0; - m_green = col.Green()/255.0; + m_green = col.Green()/255.0; 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_quartz_font_face_create_for_cgfont( font.OSXGetCGFont() ); +#elif defined(__WXGTK__) + m_font = pango_font_description_copy( font.GetNativeFontInfo()->description ); +#else m_fontName = font.GetFaceName().mb_str(wxConvUTF8); m_slant = font.GetStyle() == wxFONTSTYLE_ITALIC ? CAIRO_FONT_SLANT_ITALIC:CAIRO_FONT_SLANT_NORMAL; m_weight = font.GetWeight() == wxFONTWEIGHT_BOLD ? CAIRO_FONT_WEIGHT_BOLD:CAIRO_FONT_WEIGHT_NORMAL; +#endif } wxCairoFontData::~wxCairoFontData() { +#ifdef __WXMAC__ + cairo_font_face_destroy( m_font ); +#elif defined(__WXGTK__) + pango_font_description_free( m_font ); +#else +#endif } void wxCairoFontData::Apply( wxGraphicsContext* context ) { cairo_t * ctext = (cairo_t*) context->GetNativeContext(); cairo_set_source_rgba(ctext,m_red,m_green, m_blue,m_alpha); - cairo_select_font_face(ctext,m_fontName,m_slant,m_weight); - cairo_set_font_size(ctext,m_size); - // TODO UNDERLINE - // TODO FIX SIZE +#ifdef __WXGTK__ + // the rest is done using Pango layouts +#elif defined(__WXMAC__) + 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_weight ); + cairo_set_font_size(ctext, m_size ); +#endif } //----------------------------------------------------------------------------- @@ -753,7 +853,9 @@ void wxCairoPathData::AddLineToPoint( wxDouble x , wxDouble y ) void wxCairoPathData::AddPath( const wxGraphicsPathData* path ) { - // TODO + cairo_path_t* p = (cairo_path_t*)path->GetNativePath(); + cairo_append_path(m_pathContext, p); + UnGetNativePath(p); } void wxCairoPathData::CloseSubpath() @@ -779,7 +881,7 @@ void wxCairoPathData::GetCurrentPoint( wxDouble* x, wxDouble* y) const void wxCairoPathData::AddArc( wxDouble x, wxDouble y, wxDouble r, double startAngle, double endAngle, bool clockwise ) { - // as clockwise means positive in our system (y pointing downwards) + // as clockwise means positive in our system (y pointing downwards) // TODO make this interpretation dependent of the // real device trans if ( clockwise||(endAngle-startAngle)>=2*M_PI) @@ -789,14 +891,14 @@ void wxCairoPathData::AddArc( wxDouble x, wxDouble y, wxDouble r, double startAn } // transforms each point of this path by the matrix -void wxCairoPathData::Transform( const wxGraphicsMatrixData* matrix ) +void wxCairoPathData::Transform( const wxGraphicsMatrixData* matrix ) { // as we don't have a true path object, we have to apply the inverse // matrix to the context cairo_matrix_t m = *((cairo_matrix_t*) matrix->GetNativeMatrix()); cairo_matrix_invert( &m ); cairo_transform(m_pathContext,&m); -} +} // gets the bounding box enclosing all points (possibly including control points) void wxCairoPathData::GetBox(wxDouble *x, wxDouble *y, wxDouble *w, wxDouble *h) const @@ -814,7 +916,7 @@ void wxCairoPathData::GetBox(wxDouble *x, wxDouble *y, wxDouble *w, wxDouble *h) *x = x1; *w = x2-x1; } - + if( y2 < y1 ) { *y = y2; @@ -827,9 +929,10 @@ void wxCairoPathData::GetBox(wxDouble *x, wxDouble *y, wxDouble *w, wxDouble *h) } } -bool wxCairoPathData::Contains( wxDouble x, wxDouble y, int 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; } //----------------------------------------------------------------------------- @@ -843,45 +946,57 @@ wxCairoMatrixData::wxCairoMatrixData(wxGraphicsRenderer* renderer, const cairo_m m_matrix = *matrix; } -wxCairoMatrixData::~wxCairoMatrixData() +wxCairoMatrixData::~wxCairoMatrixData() { // nothing to do } -wxGraphicsObjectRefData *wxCairoMatrixData::Clone() const +wxGraphicsObjectRefData *wxCairoMatrixData::Clone() const { return new wxCairoMatrixData(GetRenderer(),&m_matrix); } // concatenates the matrix -void wxCairoMatrixData::Concat( const wxGraphicsMatrixData *t ) +void wxCairoMatrixData::Concat( const wxGraphicsMatrixData *t ) { - cairo_matrix_multiply( &m_matrix, &m_matrix, (cairo_matrix_t*) t->GetNativeMatrix()); + cairo_matrix_multiply( &m_matrix, &m_matrix, (cairo_matrix_t*) t->GetNativeMatrix()); } // sets the matrix to the respective values -void wxCairoMatrixData::Set(wxDouble a, wxDouble b, wxDouble c, wxDouble d, - wxDouble tx, wxDouble ty) +void wxCairoMatrixData::Set(wxDouble a, wxDouble b, wxDouble c, wxDouble d, + wxDouble tx, wxDouble ty) { cairo_matrix_init( &m_matrix, a, b, c, d, tx, ty); } +// gets the component valuess of the matrix +void wxCairoMatrixData::Get(wxDouble* a, wxDouble* b, wxDouble* c, + wxDouble* d, wxDouble* tx, wxDouble* ty) const +{ + if (a) *a = m_matrix.xx; + if (b) *b = m_matrix.yx; + if (c) *c = m_matrix.xy; + if (d) *d = m_matrix.yy; + if (tx) *tx= m_matrix.x0; + if (ty) *ty= m_matrix.y0; +} + // makes this the inverse matrix -void wxCairoMatrixData::Invert() +void wxCairoMatrixData::Invert() { cairo_matrix_invert( &m_matrix ); } // returns true if the elements of the transformation matrix are equal ? -bool wxCairoMatrixData::IsEqual( const wxGraphicsMatrixData* t) const +bool wxCairoMatrixData::IsEqual( const wxGraphicsMatrixData* t) const { const cairo_matrix_t* tm = (cairo_matrix_t*) t->GetNativeMatrix(); - return ( - m_matrix.xx == tm->xx && - m_matrix.yx == tm->yx && - m_matrix.xy == tm->xy && - m_matrix.yy == tm->yy && - m_matrix.x0 == tm->x0 && + return ( + m_matrix.xx == tm->xx && + m_matrix.yx == tm->yx && + m_matrix.xy == tm->xy && + m_matrix.yy == tm->yy && + m_matrix.x0 == tm->x0 && m_matrix.y0 == tm->y0 ) ; } @@ -909,10 +1024,10 @@ void wxCairoMatrixData::Scale( wxDouble xScale , wxDouble yScale ) } // add the rotation to this matrix (radians) -void wxCairoMatrixData::Rotate( wxDouble angle ) +void wxCairoMatrixData::Rotate( wxDouble angle ) { cairo_matrix_rotate( &m_matrix, angle) ; -} +} // // apply the transforms @@ -942,36 +1057,239 @@ void * wxCairoMatrixData::GetNativeMatrix() const return (void*) &m_matrix; } +// 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")); + +#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; + + // Create a surface object and copy the bitmap pixel data to it. if the + // image has alpha (or a mask represented as alpha) then we'll use a + // different format and iterator than if it doesn't... + if (bmpSource.HasAlpha() || bmpSource.GetMask()) + { + m_surface = cairo_image_surface_create_for_data( + m_buffer, CAIRO_FORMAT_ARGB32, bw, bh, bw*4); + wxAlphaPixelData pixData(bmpSource, wxPoint(0,0), wxSize(bw, bh)); + wxCHECK_RET( pixData, wxT("Failed to gain raw access to bitmap data.")); + + wxAlphaPixelData::Iterator p(pixData); + for (int y=0; yGetCairoContext() ); + + wxPoint org = dc.GetDeviceOrigin(); + cairo_translate( m_context, org.x, org.y ); + + double sx,sy; + dc.GetUserScale( &sx, &sy ); + cairo_scale( m_context, sx, sy ); + + org = dc.GetLogicalOrigin(); + cairo_translate( m_context, -org.x, -org.y ); +#endif +} + wxCairoContext::wxCairoContext( wxGraphicsRenderer* renderer, const wxWindowDC& dc ) : wxGraphicsContext(renderer) { -#ifdef __WXGTK__ - m_context = gdk_cairo_create( dc.m_window ) ; +#ifdef __WXGTK20__ + wxGTKDCImpl *impldc = (wxGTKDCImpl*) dc.GetImpl(); + Init( gdk_cairo_create( impldc->GetGDKWindow() ) ); + +#if 0 + wxGraphicsMatrix matrix = CreateMatrix(); + + wxPoint org = dc.GetDeviceOrigin(); + matrix.Translate( org.x, org.y ); + + org = dc.GetLogicalOrigin(); + matrix.Translate( -org.x, -org.y ); + + double sx,sy; + dc.GetUserScale( &sx, &sy ); + matrix.Scale( sx, sy ); + + ConcatTransform( matrix ); +#endif +#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 ) ); + cairo_surface_destroy( surface ); #endif - PushState(); - PushState(); } -#ifdef __WXGTK__ +wxCairoContext::wxCairoContext( wxGraphicsRenderer* renderer, const wxMemoryDC& dc ) +: wxGraphicsContext(renderer) +{ +#ifdef __WXGTK20__ + wxGTKDCImpl *impldc = (wxGTKDCImpl*) dc.GetImpl(); + Init( gdk_cairo_create( impldc->GetGDKWindow() ) ); + +#if 0 + wxGraphicsMatrix matrix = CreateMatrix(); + + wxPoint org = dc.GetDeviceOrigin(); + matrix.Translate( org.x, org.y ); + + org = dc.GetLogicalOrigin(); + matrix.Translate( -org.x, -org.y ); + + double sx,sy; + dc.GetUserScale( &sx, &sy ); + matrix.Scale( sx, sy ); + + ConcatTransform( matrix ); +#endif +#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 ) ); + cairo_surface_destroy( surface ); +#endif +} + +#ifdef __WXGTK20__ wxCairoContext::wxCairoContext( wxGraphicsRenderer* renderer, GdkDrawable *drawable ) : wxGraphicsContext(renderer) { - m_context = gdk_cairo_create( drawable ) ; + Init( gdk_cairo_create( drawable ) ); +} +#endif + +#ifdef __WXMSW__ +wxCairoContext::wxCairoContext( wxGraphicsRenderer* renderer, HDC handle ) +: wxGraphicsContext(renderer) +{ + m_mswSurface = cairo_win32_surface_create(handle); + m_context = cairo_create(m_mswSurface); PushState(); PushState(); } #endif + wxCairoContext::wxCairoContext( wxGraphicsRenderer* renderer, cairo_t *context ) : wxGraphicsContext(renderer) { - m_context = context ; - PushState(); - PushState(); + Init( context ); } wxCairoContext::wxCairoContext( wxGraphicsRenderer* renderer, wxWindow *window) @@ -980,25 +1298,18 @@ wxCairoContext::wxCairoContext( wxGraphicsRenderer* renderer, wxWindow *window) #ifdef __WXGTK__ // something along these lines (copied from dcclient) - GtkWidget *widget = window->m_wxwindow; - // Some controls don't have m_wxwindow - like wxStaticBox, but the user // code should still be able to create wxClientDCs for them, so we will // use the parent window here then. - if ( !widget ) + if (window->m_wxwindow == NULL) { window = window->GetParent(); - widget = window->m_wxwindow; } - wxASSERT_MSG( widget, wxT("wxCairoContext needs a widget") ); + wxASSERT_MSG( window->m_wxwindow, wxT("wxCairoContext needs a widget") ); - GtkPizza *pizza = GTK_PIZZA( widget ); - GdkDrawable* drawable = pizza->bin_window; - m_context = gdk_cairo_create( drawable ) ; + Init(gdk_cairo_create(window->GTKGetDrawingWindow())); #endif - PushState(); - PushState(); } wxCairoContext::~wxCairoContext() @@ -1006,32 +1317,73 @@ wxCairoContext::~wxCairoContext() if ( m_context ) { PopState(); +#ifdef __WXMSW__ + m_mswSurface = cairo_win32_surface_create((HDC)window->GetHandle()); + m_context = cairo_create(m_mswSurface); +#endif PopState(); cairo_destroy(m_context); } +#ifdef __WXMSW__ + if ( m_mswSurface ) + cairo_surface_destroy(m_mswSurface); +#endif } +void wxCairoContext::Init(cairo_t *context) +{ + m_context = context ; + PushState(); + PushState(); +} -void wxCairoContext::Clip( const wxRegion & WXUNUSED(region) ) + +void wxCairoContext::Clip( const wxRegion& region ) { -// TODO + // Create a path with all the rectangles in the region + wxGraphicsPath path = GetRenderer()->CreatePath(); + wxRegionIterator ri(region); + while (ri) + { + path.AddRectangle(ri.GetX(), ri.GetY(), ri.GetW(), ri.GetH()); + ++ri; + } + + // Put it in the context + cairo_path_t* cp = (cairo_path_t*) path.GetNativePath() ; + cairo_append_path(m_context, cp); + + // clip to that path + cairo_clip(m_context); + path.UnGetNativePath(cp); } void wxCairoContext::Clip( wxDouble x, wxDouble y, wxDouble w, wxDouble h ) { -// TODO + // Create a path with this rectangle + wxGraphicsPath path = GetRenderer()->CreatePath(); + path.AddRectangle(x,y,w,h); + + // Put it in the context + cairo_path_t* cp = (cairo_path_t*) path.GetNativePath() ; + cairo_append_path(m_context, cp); + + // clip to that path + cairo_clip(m_context); + path.UnGetNativePath(cp); } void wxCairoContext::ResetClip() { -// TODO + cairo_reset_clip(m_context); } void wxCairoContext::StrokePath( const wxGraphicsPath& path ) { if ( !m_pen.IsNull() ) - { + { + wxCairoOffsetHelper helper( m_context, ShouldOffset() ) ; cairo_path_t* cp = (cairo_path_t*) path.GetNativePath() ; cairo_append_path(m_context,cp); ((wxCairoPenData*)m_pen.GetRefData())->Apply(this); @@ -1040,10 +1392,11 @@ void wxCairoContext::StrokePath( const wxGraphicsPath& path ) } } -void wxCairoContext::FillPath( const wxGraphicsPath& path , int fillStyle ) +void wxCairoContext::FillPath( const wxGraphicsPath& path , wxPolygonFillMode fillStyle ) { if ( !m_brush.IsNull() ) { + wxCairoOffsetHelper helper( m_context, ShouldOffset() ) ; cairo_path_t* cp = (cairo_path_t*) path.GetNativePath() ; cairo_append_path(m_context,cp); ((wxCairoBrushData*)m_brush.GetRefData())->Apply(this); @@ -1102,37 +1455,168 @@ void wxCairoContext::PopState() void wxCairoContext::DrawBitmap( const wxBitmap &bmp, wxDouble x, wxDouble y, wxDouble w, wxDouble h ) { - /* - Bitmap* image = Bitmap::FromHBITMAP((HBITMAP)bmp.GetHBITMAP(),(HPALETTE)bmp.GetPalette()->GetHPALETTE()); - m_context->DrawImage(image,(REAL) x,(REAL) y,(REAL) w,(REAL) h) ; - delete image ; - */ + wxGraphicsBitmap bitmap = GetRenderer()->CreateBitmap(bmp); + DrawBitmap(bitmap, x, y, w, h); + +} + +void wxCairoContext::DrawBitmap(const wxGraphicsBitmap &bmp, wxDouble x, wxDouble y, wxDouble w, wxDouble h ) +{ + PushState(); + + // In case we're scaling the image by using a width and height different + // than the bitmap's size create a pattern transformation on the surface and + // draw the transformed pattern. + wxCairoBitmapData* data = static_cast(bmp.GetRefData()); + cairo_pattern_t* pattern = data->GetCairoPattern(); + wxSize size = data->GetSize(); + + wxDouble scaleX = w / size.GetWidth(); + wxDouble scaleY = h / size.GetHeight(); + + // 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()); + // fill the rectangle using the pattern + cairo_fill(m_context); + + PopState(); } void wxCairoContext::DrawIcon( const wxIcon &icon, wxDouble x, wxDouble y, wxDouble w, wxDouble h ) { - /* - Bitmap* image = Bitmap::FromHICON((HICON)icon.GetHICON()); - m_context->DrawImage(image,(REAL) x,(REAL) y,(REAL) w,(REAL) h) ; - delete image ; - */ + // An icon is a bitmap on wxGTK, so do this the easy way. When we want to + // start using the Cairo backend on other platforms then we may need to + // fiddle with this... + DrawBitmap(icon, x, y, w, h); } -void wxCairoContext::DrawText( const wxString &str, wxDouble x, wxDouble y ) +void wxCairoContext::DoDrawText(const wxString& str, wxDouble x, wxDouble y) { - if ( m_font.IsNull() || str.IsEmpty()) - return ; - cairo_move_to(m_context,x,y); - const wxWX2MBbuf buf(str.mb_str(wxConvUTF8)); + wxCHECK_RET( !m_font.IsNull(), + wxT("wxCairoContext::DrawText - no valid font set") ); + + if ( str.empty()) + return; + + const wxCharBuffer data = str.utf8_str(); + if ( !data ) + return; + ((wxCairoFontData*)m_font.GetRefData())->Apply(this); - cairo_show_text(m_context,buf); + +#ifdef __WXGTK__ + size_t datalen = strlen(data); + + PangoLayout *layout = pango_cairo_create_layout (m_context); + 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); + + g_object_unref (layout); +#else + // Cairo's x,y for drawing text is at the baseline, so we need to adjust + // the position we move to by the ascent. + cairo_font_extents_t fe; + cairo_font_extents(m_context, &fe); + cairo_move_to(m_context, x, y+fe.ascent); + + cairo_show_text(m_context, data); +#endif } void wxCairoContext::GetTextExtent( const wxString &str, wxDouble *width, wxDouble *height, wxDouble *descent, wxDouble *externalLeading ) const { - // TODO + wxCHECK_RET( !m_font.IsNull(), wxT("wxCairoContext::GetTextExtent - no valid font set") ); + + if ( width ) + *width = 0; + if ( height ) + *height = 0; + if ( descent ) + *descent = 0; + if ( externalLeading ) + *externalLeading = 0; + + if ( str.empty()) + return; + +#ifdef __WXGTK__ + int w, h; + + PangoLayout *layout = pango_cairo_create_layout (m_context); + pango_layout_set_font_description( layout, ((wxCairoFontData*)m_font.GetRefData())->GetFont()); + const wxCharBuffer data = str.utf8_str(); + if ( !data ) + { + return; + } + pango_layout_set_text( layout, data, strlen(data) ); + pango_layout_get_pixel_size (layout, &w, &h); + if ( width ) + *width = w; + if ( height ) + *height = h; + if (descent) + { + PangoLayoutIter *iter = pango_layout_get_iter(layout); + int baseline = pango_layout_iter_get_baseline(iter); + pango_layout_iter_free(iter); + *descent = h - PANGO_PIXELS(baseline); + } + g_object_unref (layout); +#else + ((wxCairoFontData*)m_font.GetRefData())->Apply((wxCairoContext*)this); + + if (width) + { + const wxWX2MBbuf buf(str.mb_str(wxConvUTF8)); + cairo_text_extents_t te; + cairo_text_extents(m_context, buf, &te); + *width = te.width; + } + + if (height || descent || externalLeading) + { + cairo_font_extents_t fe; + cairo_font_extents(m_context, &fe); + + // some backends have negative descents + + if ( fe.descent < 0 ) + fe.descent = -fe.descent; + + if ( fe.height < (fe.ascent + fe.descent ) ) + { + // some backends are broken re height ... (eg currently ATSUI) + fe.height = fe.ascent + fe.descent; + } + + if (height) + *height = fe.height; + if ( descent ) + *descent = fe.descent; + if ( externalLeading ) + *externalLeading = wxMax(0, fe.height - (fe.ascent + fe.descent)); + } +#endif } void wxCairoContext::GetPartialTextExtents(const wxString& text, wxArrayDouble& widths) const @@ -1140,17 +1624,111 @@ void wxCairoContext::GetPartialTextExtents(const wxString& text, wxArrayDouble& widths.Empty(); widths.Add(0, text.length()); + wxCHECK_RET( !m_font.IsNull(), wxT("wxCairoContext::GetPartialTextExtents - no valid font set") ); + if (text.empty()) return; // TODO } -void * wxCairoContext::GetNativeContext() +void * wxCairoContext::GetNativeContext() { return m_context; } +bool wxCairoContext::SetAntialiasMode(wxAntialiasMode antialias) +{ + if (m_antialias == antialias) + return true; + + 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; +} + +bool wxCairoContext::SetCompositionMode(wxCompositionMode op) +{ + if ( m_composition == op ) + return true; + + m_composition = op; + cairo_operator_t cop; + switch (op) + { + case wxCOMPOSITION_CLEAR: + cop = CAIRO_OPERATOR_CLEAR; + break; + case wxCOMPOSITION_SOURCE: + cop = CAIRO_OPERATOR_SOURCE; + break; + case wxCOMPOSITION_OVER: + cop = CAIRO_OPERATOR_OVER; + break; + 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; + default: + return false; + } + 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 //----------------------------------------------------------------------------- @@ -1165,6 +1743,8 @@ public : // Context virtual wxGraphicsContext * CreateContext( const wxWindowDC& dc); + virtual wxGraphicsContext * CreateContext( const wxMemoryDC& dc); + virtual wxGraphicsContext * CreateContext( const wxPrinterDC& dc); virtual wxGraphicsContext * CreateContextFromNativeContext( void * context ); @@ -1172,13 +1752,15 @@ public : virtual wxGraphicsContext * CreateContext( wxWindow* window ); + 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, + 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); @@ -1186,18 +1768,29 @@ public : 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 ) ; + // 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 ); + private : DECLARE_DYNAMIC_CLASS_NO_COPY(wxCairoRenderer) } ; @@ -1209,22 +1802,39 @@ private : IMPLEMENT_DYNAMIC_CLASS(wxCairoRenderer,wxGraphicsRenderer) static wxCairoRenderer gs_cairoGraphicsRenderer; +// temporary hack to allow creating a cairo context on any platform +extern wxGraphicsRenderer* gCairoRenderer; +wxGraphicsRenderer* gCairoRenderer = &gs_cairoGraphicsRenderer; -#ifdef __WXGTK__ -wxGraphicsRenderer* wxGraphicsRenderer::GetDefaultRenderer() +wxGraphicsContext * wxCairoRenderer::CreateContext( const wxWindowDC& dc) { - return &gs_cairoGraphicsRenderer; + return new wxCairoContext(this,dc); } -#endif -wxGraphicsContext * wxCairoRenderer::CreateContext( const wxWindowDC& dc) +wxGraphicsContext * wxCairoRenderer::CreateContext( const wxMemoryDC& dc) { return new wxCairoContext(this,dc); } +wxGraphicsContext * wxCairoRenderer::CreateContext( const wxPrinterDC& dc) +{ +#ifdef __WXGTK20__ + const wxDCImpl *impl = dc.GetImpl(); + cairo_t* context = (cairo_t*) impl->GetCairoContext(); + if (context) + return new wxCairoContext(this,dc); + else +#endif + return NULL; +} + wxGraphicsContext * wxCairoRenderer::CreateContextFromNativeContext( void * context ) { +#ifdef __WXMSW__ + return new wxCairoContext(this,(HDC)context); +#else return new wxCairoContext(this,(cairo_t*)context); +#endif } @@ -1237,6 +1847,15 @@ wxGraphicsContext * wxCairoRenderer::CreateContextFromNativeWindow( void * windo #endif } +wxGraphicsContext * wxCairoRenderer::CreateMeasuringContext() +{ +#ifdef __WXGTK__ + return CreateContextFromNativeWindow(gdk_get_default_root_window()); +#endif + return NULL; + // TODO +} + wxGraphicsContext * wxCairoRenderer::CreateContext( wxWindow* window ) { return new wxCairoContext(this, window ); @@ -1254,7 +1873,7 @@ wxGraphicsPath wxCairoRenderer::CreatePath() // Matrix -wxGraphicsMatrix wxCairoRenderer::CreateMatrix( wxDouble a, wxDouble b, wxDouble c, wxDouble d, +wxGraphicsMatrix wxCairoRenderer::CreateMatrix( wxDouble a, wxDouble b, wxDouble c, wxDouble d, wxDouble tx, wxDouble ty) { @@ -1265,9 +1884,9 @@ wxGraphicsMatrix wxCairoRenderer::CreateMatrix( wxDouble a, wxDouble b, wxDouble return m; } -wxGraphicsPen wxCairoRenderer::CreatePen(const wxPen& pen) +wxGraphicsPen wxCairoRenderer::CreatePen(const wxPen& pen) { - if ( !pen.Ok() || pen.GetStyle() == wxTRANSPARENT ) + if ( !pen.Ok() || pen.GetStyle() == wxPENSTYLE_TRANSPARENT ) return wxNullGraphicsPen; else { @@ -1277,9 +1896,9 @@ wxGraphicsPen wxCairoRenderer::CreatePen(const wxPen& pen) } } -wxGraphicsBrush wxCairoRenderer::CreateBrush(const wxBrush& brush ) +wxGraphicsBrush wxCairoRenderer::CreateBrush(const wxBrush& brush ) { - if ( !brush.Ok() || brush.GetStyle() == wxTRANSPARENT ) + if ( !brush.Ok() || brush.GetStyle() == wxBRUSHSTYLE_TRANSPARENT ) return wxNullGraphicsBrush; else { @@ -1289,34 +1908,35 @@ 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 ); - d->CreateLinearGradientBrush(x1, y1, x2, y2, c1, c2); + d->CreateLinearGradientBrush(x1, y1, x2, y2, stops); 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 ); - d->CreateRadialGradientBrush(xo,yo,xc,yc,radius,oColor,cColor); + d->CreateRadialGradientBrush(xo, yo, xc, yc, r, stops); p.SetRefData(d); return p; } // sets the font -wxGraphicsFont wxCairoRenderer::CreateFont( const wxFont &font , const wxColour &col ) +wxGraphicsFont wxCairoRenderer::CreateFont( const wxFont &font , const wxColour &col ) { if ( font.Ok() ) - { + { wxGraphicsFont p; p.SetRefData(new wxCairoFontData( this , font, col )); return p; @@ -1325,4 +1945,62 @@ wxGraphicsFont wxCairoRenderer::CreateFont( const wxFont &font , const wxColour return wxNullGraphicsFont; } -#endif // wxUSE_GRAPHICS_CONTEXT +wxGraphicsBitmap wxCairoRenderer::CreateBitmap( const wxBitmap& bmp ) +{ + if ( bmp.Ok() ) + { + wxGraphicsBitmap p; + p.SetRefData(new wxCairoBitmapData( this , bmp )); + return p; + } + else + return wxNullGraphicsBitmap; +} + +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; +} + +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