X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/7f8bd9fc5ff34562a7e5c411d95cef99582f7aab..73b1b99623b149651ed0beb3701dd81f00ee2def:/src/generic/graphicc.cpp diff --git a/src/generic/graphicc.cpp b/src/generic/graphicc.cpp old mode 100755 new mode 100644 index 7fd6920026..50965a5b99 --- a/src/generic/graphicc.cpp +++ b/src/generic/graphicc.cpp @@ -11,67 +11,28 @@ #include "wx/wxprec.h" -#include "wx/dc.h" - #ifdef __BORLANDC__ -#pragma hdrstop + #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" -#endif - -#ifdef __WXGTK__ -#include "wx/gtk/win_gtk.h" -#endif +#if wxUSE_GRAPHICS_CONTEXT #include "wx/graphics.h" -#if wxUSE_GRAPHICS_CONTEXT +#ifndef WX_PRECOMP + #include "wx/bitmap.h" + #include "wx/icon.h" + #include "wx/dcclient.h" + #include "wx/dcmemory.h" + #include "wx/dcprint.h" +#endif -#include +#include "wx/private/graphics.h" +#include "wx/rawbmp.h" +#include "wx/vector.h" using namespace std; -//----------------------------------------------------------------------------- -// constants -//----------------------------------------------------------------------------- - -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; -} - -static inline double DegToRad(double deg) -{ - return (deg * M_PI) / 180.0; -} -static inline double RadToDeg(double deg) -{ - return (deg * 180.0) / M_PI; -} - //----------------------------------------------------------------------------- // device context implementation // @@ -101,16 +62,27 @@ static inline double RadToDeg(double deg) #include #ifdef __WXGTK__ #include +#include "wx/fontutil.h" +#include "wx/gtk/dc.h" #endif -class WXDLLIMPEXP_CORE wxCairoPath : public wxGraphicsPath +#ifdef __WXMSW__ +#include +#endif + +#ifdef __WXMAC__ +#include "wx/osx/private.h" +#include +#include +#endif + +class WXDLLIMPEXP_CORE wxCairoPathData : public wxGraphicsPathData { public : - wxCairoPath(); - wxCairoPath(wxGraphicsRenderer* renderer, cairo_t* pathcontext = NULL); - ~wxCairoPath(); + wxCairoPathData(wxGraphicsRenderer* renderer, cairo_t* path = NULL); + ~wxCairoPathData(); - virtual wxGraphicsPath *Clone() const; + virtual wxGraphicsObjectRefData *Clone() const; // // These are the path primitives from which everything else can be constructed @@ -130,10 +102,10 @@ public : 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 wxGraphicsPath* path ); + virtual void AddPath( const wxGraphicsPathData* path ); // closes the current sub-path virtual void CloseSubpath(); @@ -145,7 +117,7 @@ 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 ) ; @@ -158,49 +130,47 @@ public : virtual void * GetNativePath() const ; // give the native path returned by GetNativePath() back (there might be some deallocations necessary) - virtual void UnGetNativePath(void *p) ; + virtual void UnGetNativePath(void *p) const; // transforms each point of this path by the matrix - virtual void Transform( wxGraphicsMatrix* 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) ; + virtual void GetBox(wxDouble *x, wxDouble *y, wxDouble *w, wxDouble *h) const; - virtual bool Contains( wxDouble x, wxDouble y, int fillStyle = wxWINDING_RULE) ; + virtual bool Contains( wxDouble x, wxDouble y, wxPolygonFillMode fillStyle = wxWINDING_RULE) const; private : cairo_t* m_pathContext; - DECLARE_DYNAMIC_CLASS_NO_COPY(wxCairoPath) }; -class WXDLLIMPEXP_CORE wxCairoMatrix : public wxGraphicsMatrix +class WXDLLIMPEXP_CORE wxCairoMatrixData : public wxGraphicsMatrixData { public : - wxCairoMatrix() ; - - wxCairoMatrix(wxGraphicsRenderer* renderer, const cairo_matrix_t* matrix = NULL ) ; - virtual ~wxCairoMatrix() ; + wxCairoMatrixData(wxGraphicsRenderer* renderer, const cairo_matrix_t* matrix = NULL ) ; + virtual ~wxCairoMatrixData() ; - virtual wxGraphicsMatrix *Clone() const ; + virtual wxGraphicsObjectRefData *Clone() const ; // concatenates the matrix - virtual void Concat( const wxGraphicsMatrix *t ); - - // copies the passed in matrix - virtual void Copy( const wxGraphicsMatrix *t ); + 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(); // returns true if the elements of the transformation matrix are equal ? - virtual bool IsEqual( const wxGraphicsMatrix* t) const ; + virtual bool IsEqual( const wxGraphicsMatrixData* t) const ; // return true if this is the identity matrix - virtual bool IsIdentity(); + virtual bool IsIdentity() const; // // transformation @@ -213,24 +183,22 @@ 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 // // applies that matrix to the point - virtual void TransformPoint( wxDouble *x, wxDouble *y ); + virtual void TransformPoint( wxDouble *x, wxDouble *y ) const; // applies the matrix except for translations - virtual void TransformDistance( wxDouble *dx, wxDouble *dy ); + virtual void TransformDistance( wxDouble *dx, wxDouble *dy ) const; // returns the native representation virtual void * GetNativeMatrix() const; private: cairo_matrix_t m_matrix ; - - DECLARE_DYNAMIC_CLASS_NO_COPY(wxCairoMatrix) } ; class WXDLLIMPEXP_CORE wxCairoPenData : public wxGraphicsObjectRefData @@ -246,12 +214,12 @@ 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; @@ -260,6 +228,8 @@ private : double *m_userLengths; wxPen m_pen; + + wxDECLARE_NO_COPY_CLASS(wxCairoPenData); }; class WXDLLIMPEXP_CORE wxCairoBrushData : public wxGraphicsObjectRefData @@ -270,7 +240,7 @@ public: ~wxCairoBrushData (); virtual void Apply( wxGraphicsContext* context ); - void CreateLinearGradientBrush( wxDouble x1, wxDouble y1, wxDouble x2, wxDouble y2, + 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 ); @@ -294,23 +264,52 @@ 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 }; -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 @@ -319,6 +318,18 @@ 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 ); // clips drawings to the rect @@ -329,34 +340,51 @@ public: virtual void * GetNativeContext(); - virtual void StrokePath( const wxGraphicsPath *p ); - virtual void FillPath( const wxGraphicsPath *p , int fillStyle = wxWINDING_RULE ); + 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 , wxPolygonFillMode fillStyle = wxWINDING_RULE ); virtual void Translate( wxDouble dx , wxDouble dy ); virtual void Scale( wxDouble xScale , wxDouble yScale ); virtual void Rotate( wxDouble angle ); // concatenates this transform with the current transform of this context - virtual void ConcatTransform( const wxGraphicsMatrix* matrix ); + virtual void ConcatTransform( const wxGraphicsMatrix& matrix ); // sets the transform of this context - virtual void SetTransform( const wxGraphicsMatrix* matrix ); + virtual void SetTransform( const wxGraphicsMatrix& matrix ); // gets the matrix of this context - virtual void GetTransform( wxGraphicsMatrix* matrix ); + 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); }; //----------------------------------------------------------------------------- @@ -378,7 +406,7 @@ void wxCairoPenData::Init() wxCairoPenData::wxCairoPenData( wxGraphicsRenderer* renderer, const wxPen &pen ) : wxGraphicsObjectRefData(renderer) -{ +{ Init(); m_pen = pen; m_width = m_pen.GetWidth(); @@ -386,7 +414,7 @@ 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; @@ -448,32 +476,32 @@ 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 ) ; @@ -493,7 +521,7 @@ wxCairoPenData::wxCairoPenData( wxGraphicsRenderer* renderer, const wxPen &pen ) m_lengths = m_userLengths ; } break; - case wxSTIPPLE : + case wxPENSTYLE_STIPPLE : { /* wxBitmap* bmp = pen.GetStipple(); @@ -509,29 +537,30 @@ 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 ; @@ -569,13 +598,13 @@ 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() ) ); @@ -585,22 +614,22 @@ 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 ; @@ -608,7 +637,7 @@ 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() ) @@ -640,7 +669,7 @@ void wxCairoBrushData::Apply( wxGraphicsContext* context ) } } -void wxCairoBrushData::CreateLinearGradientBrush( wxDouble x1, wxDouble y1, wxDouble x2, wxDouble y2, +void wxCairoBrushData::CreateLinearGradientBrush( wxDouble x1, wxDouble y1, wxDouble x2, wxDouble y2, const wxColour&c1, const wxColour&c2 ) { m_brushPattern = cairo_pattern_create_linear(x1,y1,x2,y2); @@ -671,47 +700,58 @@ 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_weights ); + cairo_set_font_size(ctext, m_size ); +#endif } //----------------------------------------------------------------------------- -// wxCairoPath implementation +// wxCairoPathData implementation //----------------------------------------------------------------------------- -IMPLEMENT_DYNAMIC_CLASS(wxCairoPath,wxGraphicsPath) - -wxCairoPath::wxCairoPath() : wxGraphicsPath(NULL) -{ - wxLogDebug(wxT("Illegal Constructor called")); -} - -wxCairoPath::wxCairoPath( wxGraphicsRenderer* renderer, cairo_t* pathcontext) - : wxGraphicsPath(renderer) +wxCairoPathData::wxCairoPathData( wxGraphicsRenderer* renderer, cairo_t* pathcontext) + : wxGraphicsPathData(renderer) { if (pathcontext) { @@ -725,12 +765,12 @@ wxCairoPath::wxCairoPath( wxGraphicsRenderer* renderer, cairo_t* pathcontext) } } -wxCairoPath::~wxCairoPath() +wxCairoPathData::~wxCairoPathData() { cairo_destroy(m_pathContext); } -wxGraphicsPath *wxCairoPath::Clone() const +wxGraphicsObjectRefData *wxCairoPathData::Clone() const { cairo_surface_t* surface = cairo_image_surface_create(CAIRO_FORMAT_ARGB32,1,1); cairo_t* pathcontext = cairo_create(surface); @@ -739,16 +779,16 @@ wxGraphicsPath *wxCairoPath::Clone() const cairo_path_t* path = cairo_copy_path(m_pathContext); cairo_append_path(pathcontext, path); cairo_path_destroy(path); - return new wxCairoPath( GetRenderer() ,pathcontext); + return new wxCairoPathData( GetRenderer() ,pathcontext); } -void* wxCairoPath::GetNativePath() const +void* wxCairoPathData::GetNativePath() const { return cairo_copy_path(m_pathContext) ; } -void wxCairoPath::UnGetNativePath(void *p) +void wxCairoPathData::UnGetNativePath(void *p) const { cairo_path_destroy((cairo_path_t*)p); } @@ -757,43 +797,47 @@ void wxCairoPath::UnGetNativePath(void *p) // The Primitives // -void wxCairoPath::MoveToPoint( wxDouble x , wxDouble y ) +void wxCairoPathData::MoveToPoint( wxDouble x , wxDouble y ) { cairo_move_to(m_pathContext,x,y); } -void wxCairoPath::AddLineToPoint( wxDouble x , wxDouble y ) +void wxCairoPathData::AddLineToPoint( wxDouble x , wxDouble y ) { cairo_line_to(m_pathContext,x,y); } -void wxCairoPath::AddPath( const wxGraphicsPath* path ) +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 wxCairoPath::CloseSubpath() +void wxCairoPathData::CloseSubpath() { cairo_close_path(m_pathContext); } -void wxCairoPath::AddCurveToPoint( wxDouble cx1, wxDouble cy1, wxDouble cx2, wxDouble cy2, wxDouble x, wxDouble y ) +void wxCairoPathData::AddCurveToPoint( wxDouble cx1, wxDouble cy1, wxDouble cx2, wxDouble cy2, wxDouble x, wxDouble y ) { cairo_curve_to(m_pathContext,cx1,cy1,cx2,cy2,x,y); } // gets the last point of the current path, (0,0) if not yet set -void wxCairoPath::GetCurrentPoint( wxDouble& x, wxDouble&y) +void wxCairoPathData::GetCurrentPoint( wxDouble* x, wxDouble* y) const { double dx,dy; cairo_get_current_point(m_pathContext,&dx,&dy); - x = dx; - y = dy; + if (x) + *x = dx; + if (y) + *y = dy; } -void wxCairoPath::AddArc( wxDouble x, wxDouble y, wxDouble r, double startAngle, double endAngle, bool clockwise ) +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) @@ -803,17 +847,17 @@ void wxCairoPath::AddArc( wxDouble x, wxDouble y, wxDouble r, double startAngle, } // transforms each point of this path by the matrix -void wxCairoPath::Transform( wxGraphicsMatrix* 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 wxCairoPath::GetBox(wxDouble *x, wxDouble *y, wxDouble *w, wxDouble *h) +void wxCairoPathData::GetBox(wxDouble *x, wxDouble *y, wxDouble *w, wxDouble *h) const { double x1,y1,x2,y2; @@ -828,7 +872,7 @@ void wxCairoPath::GetBox(wxDouble *x, wxDouble *y, wxDouble *w, wxDouble *h) *x = x1; *w = x2-x1; } - + if( y2 < y1 ) { *y = y2; @@ -841,79 +885,78 @@ void wxCairoPath::GetBox(wxDouble *x, wxDouble *y, wxDouble *w, wxDouble *h) } } -bool wxCairoPath::Contains( wxDouble x, wxDouble y, int fillStyle ) +bool wxCairoPathData::Contains( wxDouble x, wxDouble y, wxPolygonFillMode WXUNUSED(fillStyle) ) const { - return cairo_in_stroke( m_pathContext, x, y) != NULL; + return cairo_in_stroke( m_pathContext, x, y) != 0; } //----------------------------------------------------------------------------- -// wxCairoMatrix implementation +// wxCairoMatrixData implementation //----------------------------------------------------------------------------- -IMPLEMENT_DYNAMIC_CLASS(wxCairoMatrix,wxGraphicsMatrix) - -wxCairoMatrix::wxCairoMatrix() : wxGraphicsMatrix(NULL) -{ - wxLogDebug(wxT("Illegal Constructor called")); -} - -wxCairoMatrix::wxCairoMatrix(wxGraphicsRenderer* renderer, const cairo_matrix_t* matrix ) - : wxGraphicsMatrix(renderer) +wxCairoMatrixData::wxCairoMatrixData(wxGraphicsRenderer* renderer, const cairo_matrix_t* matrix ) + : wxGraphicsMatrixData(renderer) { if ( matrix ) m_matrix = *matrix; } -wxCairoMatrix::~wxCairoMatrix() +wxCairoMatrixData::~wxCairoMatrixData() { // nothing to do } -wxGraphicsMatrix *wxCairoMatrix::Clone() const +wxGraphicsObjectRefData *wxCairoMatrixData::Clone() const { - return new wxCairoMatrix(GetRenderer(),&m_matrix); + return new wxCairoMatrixData(GetRenderer(),&m_matrix); } // concatenates the matrix -void wxCairoMatrix::Concat( const wxGraphicsMatrix *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()); } -// copies the passed in matrix -void wxCairoMatrix::Copy( const wxGraphicsMatrix *t ) +// sets the matrix to the respective values +void wxCairoMatrixData::Set(wxDouble a, wxDouble b, wxDouble c, wxDouble d, + wxDouble tx, wxDouble ty) { - m_matrix = *((cairo_matrix_t*) t->GetNativeMatrix()); + cairo_matrix_init( &m_matrix, a, b, c, d, tx, ty); } -// sets the matrix to the respective values -void wxCairoMatrix::Set(wxDouble a, wxDouble b, wxDouble c, wxDouble d, - wxDouble tx, wxDouble ty) +// gets the component valuess of the matrix +void wxCairoMatrixData::Get(wxDouble* a, wxDouble* b, wxDouble* c, + wxDouble* d, wxDouble* tx, wxDouble* ty) const { - cairo_matrix_init( &m_matrix, a, b, c, d, tx, ty); + 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 wxCairoMatrix::Invert() +void wxCairoMatrixData::Invert() { cairo_matrix_invert( &m_matrix ); } // returns true if the elements of the transformation matrix are equal ? -bool wxCairoMatrix::IsEqual( const wxGraphicsMatrix* 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 ) ; } // return true if this is the identity matrix -bool wxCairoMatrix::IsIdentity() +bool wxCairoMatrixData::IsIdentity() const { return ( m_matrix.xx == 1 && m_matrix.yy == 1 && m_matrix.yx == 0 && m_matrix.xy == 0 && m_matrix.x0 == 0 && m_matrix.y0 == 0); @@ -924,29 +967,29 @@ bool wxCairoMatrix::IsIdentity() // // add the translation to this matrix -void wxCairoMatrix::Translate( wxDouble dx , wxDouble dy ) +void wxCairoMatrixData::Translate( wxDouble dx , wxDouble dy ) { cairo_matrix_translate( &m_matrix, dx, dy) ; } // add the scale to this matrix -void wxCairoMatrix::Scale( wxDouble xScale , wxDouble yScale ) +void wxCairoMatrixData::Scale( wxDouble xScale , wxDouble yScale ) { cairo_matrix_scale( &m_matrix, xScale, yScale) ; } // add the rotation to this matrix (radians) -void wxCairoMatrix::Rotate( wxDouble angle ) +void wxCairoMatrixData::Rotate( wxDouble angle ) { cairo_matrix_rotate( &m_matrix, angle) ; -} +} // // apply the transforms // // applies that matrix to the point -void wxCairoMatrix::TransformPoint( wxDouble *x, wxDouble *y ) +void wxCairoMatrixData::TransformPoint( wxDouble *x, wxDouble *y ) const { double lx = *x, ly = *y ; cairo_matrix_transform_point( &m_matrix, &lx, &ly); @@ -955,7 +998,7 @@ void wxCairoMatrix::TransformPoint( wxDouble *x, wxDouble *y ) } // applies the matrix except for translations -void wxCairoMatrix::TransformDistance( wxDouble *dx, wxDouble *dy ) +void wxCairoMatrixData::TransformDistance( wxDouble *dx, wxDouble *dy ) const { double lx = *dx, ly = *dy ; cairo_matrix_transform_distance( &m_matrix, &lx, &ly); @@ -964,41 +1007,230 @@ void wxCairoMatrix::TransformDistance( wxDouble *dx, wxDouble *dy ) } // returns the native representation -void * wxCairoMatrix::GetNativeMatrix() const +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")); + + int bw = bmp.GetWidth(); + int bh = 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 ) ; - PushState(); - PushState(); + Init( gdk_cairo_create( drawable ) ); } #endif wxCairoContext::wxCairoContext( wxGraphicsRenderer* renderer, cairo_t *context ) : wxGraphicsContext(renderer) { - m_context = context ; - PushState(); - PushState(); + Init( context ); } wxCairoContext::wxCairoContext( wxGraphicsRenderer* renderer, wxWindow *window) @@ -1007,25 +1239,18 @@ 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() @@ -1038,45 +1263,79 @@ wxCairoContext::~wxCairoContext() } } +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 ) +void wxCairoContext::StrokePath( const wxGraphicsPath& path ) { if ( !m_pen.IsNull() ) - { - cairo_path_t* cp = (cairo_path_t*) path->GetNativePath() ; + { + 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); cairo_stroke(m_context); - wxConstCast(path, wxGraphicsPath)->UnGetNativePath(cp); + path.UnGetNativePath(cp); } } -void wxCairoContext::FillPath( const wxGraphicsPath *path , int fillStyle ) +void wxCairoContext::FillPath( const wxGraphicsPath& path , wxPolygonFillMode fillStyle ) { if ( !m_brush.IsNull() ) { - cairo_path_t* cp = (cairo_path_t*) path->GetNativePath() ; + 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); cairo_set_fill_rule(m_context,fillStyle==wxODDEVEN_RULE ? CAIRO_FILL_RULE_EVEN_ODD : CAIRO_FILL_RULE_WINDING); cairo_fill(m_context); - wxConstCast(path, wxGraphicsPath)->UnGetNativePath(cp); + path.UnGetNativePath(cp); } } @@ -1096,21 +1355,23 @@ void wxCairoContext::Scale( wxDouble xScale , wxDouble yScale ) } // concatenates this transform with the current transform of this context -void wxCairoContext::ConcatTransform( const wxGraphicsMatrix* matrix ) +void wxCairoContext::ConcatTransform( const wxGraphicsMatrix& matrix ) { - cairo_transform(m_context,(const cairo_matrix_t *) matrix->GetNativeMatrix()); + cairo_transform(m_context,(const cairo_matrix_t *) matrix.GetNativeMatrix()); } // sets the transform of this context -void wxCairoContext::SetTransform( const wxGraphicsMatrix* matrix ) +void wxCairoContext::SetTransform( const wxGraphicsMatrix& matrix ) { - cairo_set_matrix(m_context,(const cairo_matrix_t*) matrix->GetNativeMatrix()); + cairo_set_matrix(m_context,(const cairo_matrix_t*) matrix.GetNativeMatrix()); } // gets the matrix of this context -void wxCairoContext::GetTransform( wxGraphicsMatrix* matrix ) +wxGraphicsMatrix wxCairoContext::GetTransform() const { - cairo_get_matrix(m_context,(cairo_matrix_t*) matrix->GetNativeMatrix()); + wxGraphicsMatrix matrix = CreateMatrix(); + cairo_get_matrix(m_context,(cairo_matrix_t*) matrix.GetNativeMatrix()); + return matrix; } @@ -1127,37 +1388,168 @@ 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(); + cairo_scale(m_context, scaleX, scaleY); + + // prepare to draw the image + cairo_translate(m_context, x, y); + 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 @@ -1165,17 +1557,111 @@ 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 //----------------------------------------------------------------------------- @@ -1190,6 +1676,8 @@ 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 ); @@ -1197,13 +1685,15 @@ public : virtual wxGraphicsContext * CreateContext( wxWindow* window ); + virtual wxGraphicsContext * CreateMeasuringContext(); + // Path - virtual wxGraphicsPath * CreatePath(); + 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); @@ -1212,10 +1702,10 @@ 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, + virtual wxGraphicsBrush CreateLinearGradientBrush( wxDouble x1, wxDouble y1, wxDouble x2, wxDouble y2, const wxColour&c1, const wxColour&c2) ; - // sets the brush to a radial gradient originating at (xo,yc) with color oColor and ends on a circle around (xc,yc) + // 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) ; @@ -1223,6 +1713,15 @@ public : // 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) } ; @@ -1234,6 +1733,9 @@ 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() @@ -1247,6 +1749,23 @@ wxGraphicsContext * wxCairoRenderer::CreateContext( const wxWindowDC& dc) return new wxCairoContext(this,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 ) { return new wxCairoContext(this,(cairo_t*)context); @@ -1262,6 +1781,15 @@ 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 ); @@ -1269,26 +1797,30 @@ wxGraphicsContext * wxCairoRenderer::CreateContext( wxWindow* window ) // Path -wxGraphicsPath * wxCairoRenderer::CreatePath() +wxGraphicsPath wxCairoRenderer::CreatePath() { - return new wxCairoPath( this ); + wxGraphicsPath path; + path.SetRefData( new wxCairoPathData(this) ); + return path; } // Matrix -wxGraphicsMatrix * wxCairoRenderer::CreateMatrix( wxDouble a, wxDouble b, wxDouble c, wxDouble d, - wxDouble tx, wxDouble ty) +wxGraphicsMatrix wxCairoRenderer::CreateMatrix( wxDouble a, wxDouble b, wxDouble c, wxDouble d, + wxDouble tx, wxDouble ty) { - wxCairoMatrix* m = new wxCairoMatrix( this ); - m->Set( a,b,c,d,tx,ty ) ; + wxGraphicsMatrix m; + wxCairoMatrixData* data = new wxCairoMatrixData( this ); + data->Set( a,b,c,d,tx,ty ) ; + m.SetRefData(data); 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 { @@ -1298,9 +1830,9 @@ 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 { @@ -1311,8 +1843,8 @@ 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 wxColour&c1, const wxColour&c2) { wxGraphicsBrush p; wxCairoBrushData* d = new wxCairoBrushData( this ); @@ -1321,10 +1853,10 @@ wxGraphicsBrush wxCairoRenderer::CreateLinearGradientBrush( wxDouble x1, wxDoubl return p; } -// sets the brush to a radial gradient originating at (xo,yc) with color oColor and ends on a circle around (xc,yc) +// 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) + const wxColour &oColor, const wxColour &cColor) { wxGraphicsBrush p; wxCairoBrushData* d = new wxCairoBrushData( this ); @@ -1334,10 +1866,10 @@ wxGraphicsBrush wxCairoRenderer::CreateRadialGradientBrush( wxDouble xo, wxDoubl } // 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; @@ -1346,4 +1878,39 @@ wxGraphicsFont wxCairoRenderer::CreateFont( const wxFont &font , const wxColour return wxNullGraphicsFont; } +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; +} + #endif // wxUSE_GRAPHICS_CONTEXT