src/generic/graphicc.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/generic/graphicc.cpp
   3 // Purpose:     cairo device context class
   4 // Author:      Stefan Csomor
   5 // Modified by:
   6 // Created:     2006-10-03
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 2006 Stefan Csomor
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #include "wx/wxprec.h"
  13
  14 #ifdef __BORLANDC__
  15     #pragma hdrstop
  16 #endif
  17
  18 #if wxUSE_GRAPHICS_CONTEXT
  19
  20 #include "wx/graphics.h"
  21
  22 #if wxUSE_CAIRO
  23
  24 // keep cairo.h from defining dllimport as we're defining the symbols inside
  25 // the wx dll in order to load them dynamically.
  26 #define cairo_public
  27
  28 #include "wx/cairo.h"
  29
  30 #ifndef WX_PRECOMP
  31     #include "wx/bitmap.h"
  32     #include "wx/icon.h"
  33     #include "wx/dcclient.h"
  34     #include "wx/dcmemory.h"
  35     #include "wx/dcprint.h"
  36     #ifdef __WXGTK__
  37         #include "wx/window.h"
  38     #endif
  39 #endif
  40
  41 #include "wx/private/graphics.h"
  42 #include "wx/rawbmp.h"
  43 #include "wx/vector.h"
  44
  45 using namespace std;
  46
  47 //-----------------------------------------------------------------------------
  48 // device context implementation
  49 //
  50 // more and more of the dc functionality should be implemented by calling
  51 // the appropricate wxCairoContext, but we will have to do that step by step
  52 // also coordinate conversions should be moved to native matrix ops
  53 //-----------------------------------------------------------------------------
  54
  55 // we always stock two context states, one at entry, to be able to preserve the
  56 // state we were called with, the other one after changing to HI Graphics orientation
  57 // (this one is used for getting back clippings etc)
  58
  59 //-----------------------------------------------------------------------------
  60 // wxGraphicsPath implementation
  61 //-----------------------------------------------------------------------------
  62
  63 // TODO remove this dependency (gdiplus needs the macros)
  64
  65 #ifndef max
  66 #define max(a,b)            (((a) > (b)) ? (a) : (b))
  67 #endif
  68
  69 #ifndef min
  70 #define min(a,b)            (((a) < (b)) ? (a) : (b))
  71 #endif
  72
  73 #include <cairo.h>
  74 #ifdef __WXMSW__
  75 #include <cairo-win32.h>
  76 #endif
  77
  78 #ifdef __WXGTK__
  79 #include <gtk/gtk.h>
  80 #include "wx/fontutil.h"
  81 #include "wx/gtk/dc.h"
  82 #endif
  83
  84 #ifdef __WXMSW__
  85 #include <cairo-win32.h>
  86 #endif
  87
  88 #ifdef __WXMAC__
  89 #include "wx/osx/private.h"
  90 #include <cairo-quartz.h>
  91 #include <cairo-atsui.h>
  92 #endif
  93
  94 class WXDLLIMPEXP_CORE wxCairoPathData : public wxGraphicsPathData
  95 {
  96 public :
  97     wxCairoPathData(wxGraphicsRenderer* renderer, cairo_t* path = NULL);
  98     ~wxCairoPathData();
  99
 100     virtual wxGraphicsObjectRefData *Clone() const;
 101
 102     //
 103     // These are the path primitives from which everything else can be constructed
 104     //
 105
 106     // begins a new subpath at (x,y)
 107     virtual void MoveToPoint( wxDouble x, wxDouble y );
 108
 109     // adds a straight line from the current point to (x,y)
 110     virtual void AddLineToPoint( wxDouble x, wxDouble y );
 111
 112     // adds a cubic Bezier curve from the current point, using two control points and an end point
 113     virtual void AddCurveToPoint( wxDouble cx1, wxDouble cy1, wxDouble cx2, wxDouble cy2, wxDouble x, wxDouble y );
 114
 115
 116     // adds an arc of a circle centering at (x,y) with radius (r) from startAngle to endAngle
 117     virtual void AddArc( wxDouble x, wxDouble y, wxDouble r, wxDouble startAngle, wxDouble endAngle, bool clockwise ) ;
 118
 119     // gets the last point of the current path, (0,0) if not yet set
 120     virtual void GetCurrentPoint( wxDouble* x, wxDouble* y) const;
 121
 122     // adds another path
 123     virtual void AddPath( const wxGraphicsPathData* path );
 124
 125     // closes the current sub-path
 126     virtual void CloseSubpath();
 127
 128     //
 129     // These are convenience functions which - if not available natively will be assembled
 130     // using the primitives from above
 131     //
 132
 133     /*
 134
 135     // appends a rectangle as a new closed subpath
 136     virtual void AddRectangle( wxDouble x, wxDouble y, wxDouble w, wxDouble h ) ;
 137     // appends an ellipsis as a new closed subpath fitting the passed rectangle
 138     virtual void AddEllipsis( wxDouble x, wxDouble y, wxDouble w , wxDouble h ) ;
 139
 140     // draws a an arc to two tangents connecting (current) to (x1,y1) and (x1,y1) to (x2,y2), also a straight line from (current) to (x1,y1)
 141     virtual void AddArcToPoint( wxDouble x1, wxDouble y1 , wxDouble x2, wxDouble y2, wxDouble r )  ;
 142     */
 143
 144     // returns the native path
 145     virtual void * GetNativePath() const ;
 146
 147     // give the native path returned by GetNativePath() back (there might be some deallocations necessary)
 148     virtual void UnGetNativePath(void *p) const;
 149
 150     // transforms each point of this path by the matrix
 151     virtual void Transform( const wxGraphicsMatrixData* matrix ) ;
 152
 153     // gets the bounding box enclosing all points (possibly including control points)
 154     virtual void GetBox(wxDouble *x, wxDouble *y, wxDouble *w, wxDouble *h) const;
 155
 156     virtual bool Contains( wxDouble x, wxDouble y, wxPolygonFillMode fillStyle = wxWINDING_RULE) const;
 157
 158 private :
 159     cairo_t* m_pathContext;
 160 };
 161
 162 class WXDLLIMPEXP_CORE wxCairoMatrixData : public wxGraphicsMatrixData
 163 {
 164 public :
 165     wxCairoMatrixData(wxGraphicsRenderer* renderer, const cairo_matrix_t* matrix = NULL ) ;
 166     virtual ~wxCairoMatrixData() ;
 167
 168     virtual wxGraphicsObjectRefData *Clone() const ;
 169
 170     // concatenates the matrix
 171     virtual void Concat( const wxGraphicsMatrixData *t );
 172
 173     // sets the matrix to the respective values
 174     virtual void Set(wxDouble a=1.0, wxDouble b=0.0, wxDouble c=0.0, wxDouble d=1.0,
 175         wxDouble tx=0.0, wxDouble ty=0.0);
 176
 177     // gets the component valuess of the matrix
 178     virtual void Get(wxDouble* a=NULL, wxDouble* b=NULL,  wxDouble* c=NULL,
 179                      wxDouble* d=NULL, wxDouble* tx=NULL, wxDouble* ty=NULL) const;
 180
 181     // makes this the inverse matrix
 182     virtual void Invert();
 183
 184     // returns true if the elements of the transformation matrix are equal ?
 185     virtual bool IsEqual( const wxGraphicsMatrixData* t) const ;
 186
 187     // return true if this is the identity matrix
 188     virtual bool IsIdentity() const;
 189
 190     //
 191     // transformation
 192     //
 193
 194     // add the translation to this matrix
 195     virtual void Translate( wxDouble dx , wxDouble dy );
 196
 197     // add the scale to this matrix
 198     virtual void Scale( wxDouble xScale , wxDouble yScale );
 199
 200     // add the rotation to this matrix (radians)
 201     virtual void Rotate( wxDouble angle );
 202
 203     //
 204     // apply the transforms
 205     //
 206
 207     // applies that matrix to the point
 208     virtual void TransformPoint( wxDouble *x, wxDouble *y ) const;
 209
 210     // applies the matrix except for translations
 211     virtual void TransformDistance( wxDouble *dx, wxDouble *dy ) const;
 212
 213     // returns the native representation
 214     virtual void * GetNativeMatrix() const;
 215 private:
 216     cairo_matrix_t m_matrix ;
 217 } ;
 218
 219 class WXDLLIMPEXP_CORE wxCairoPenData : public wxGraphicsObjectRefData
 220 {
 221 public:
 222     wxCairoPenData( wxGraphicsRenderer* renderer, const wxPen &pen );
 223     ~wxCairoPenData();
 224
 225     void Init();
 226
 227     virtual void Apply( wxGraphicsContext* context );
 228     virtual wxDouble GetWidth() { return m_width; }
 229
 230 private :
 231     double m_width;
 232
 233     double m_red;
 234     double m_green;
 235     double m_blue;
 236     double m_alpha;
 237
 238     cairo_line_cap_t m_cap;
 239     cairo_line_join_t m_join;
 240
 241     int m_count;
 242     const double *m_lengths;
 243     double *m_userLengths;
 244
 245     wxPen m_pen;
 246
 247     wxDECLARE_NO_COPY_CLASS(wxCairoPenData);
 248 };
 249
 250 class WXDLLIMPEXP_CORE wxCairoBrushData : public wxGraphicsObjectRefData
 251 {
 252 public:
 253     wxCairoBrushData( wxGraphicsRenderer* renderer );
 254     wxCairoBrushData( wxGraphicsRenderer* renderer, const wxBrush &brush );
 255     ~wxCairoBrushData ();
 256
 257     virtual void Apply( wxGraphicsContext* context );
 258
 259     void CreateLinearGradientBrush(wxDouble x1, wxDouble y1,
 260                                    wxDouble x2, wxDouble y2,
 261                                    const wxGraphicsGradientStops& stops);
 262     void CreateRadialGradientBrush(wxDouble xo, wxDouble yo,
 263                                    wxDouble xc, wxDouble yc, wxDouble radius,
 264                                    const wxGraphicsGradientStops& stops);
 265
 266 protected:
 267     virtual void Init();
 268
 269     // common part of Create{Linear,Radial}GradientBrush()
 270     void AddGradientStops(const wxGraphicsGradientStops& stops);
 271
 272 private :
 273     double m_red;
 274     double m_green;
 275     double m_blue;
 276     double m_alpha;
 277
 278     cairo_pattern_t* m_brushPattern;
 279 };
 280
 281 class wxCairoFontData : public wxGraphicsObjectRefData
 282 {
 283 public:
 284     wxCairoFontData( wxGraphicsRenderer* renderer, const wxFont &font, const wxColour& col );
 285     wxCairoFontData(wxGraphicsRenderer* renderer,
 286                     double sizeInPixels,
 287                     const wxString& facename,
 288                     int flags,
 289                     const wxColour& col);
 290     ~wxCairoFontData();
 291
 292     virtual bool Apply( wxGraphicsContext* context );
 293 #ifdef __WXGTK__
 294     const PangoFontDescription* GetFont() const { return m_font; }
 295     bool GetUnderlined() const { return m_underlined; }
 296 #endif
 297 private :
 298     void InitColour(const wxColour& col);
 299     void InitFontComponents(const wxString& facename,
 300                             cairo_font_slant_t slant,
 301                             cairo_font_weight_t weight);
 302
 303     double m_size;
 304     bool m_underlined;
 305     double m_red;
 306     double m_green;
 307     double m_blue;
 308     double m_alpha;
 309 #ifdef __WXMAC__
 310     cairo_font_face_t *m_font;
 311 #elif defined(__WXGTK__)
 312     PangoFontDescription* m_font;
 313 #endif
 314
 315     // These members are used when the font is created from its face name and
 316     // flags (and not from wxFont) and also even when creating it from wxFont
 317     // on the platforms not covered above.
 318     //
 319     // Notice that we can't use cairo_font_face_t instead of storing those,
 320     // even though it would be simpler and need less #ifdefs, because
 321     // cairo_toy_font_face_create() that we'd need to create it is only
 322     // available in Cairo 1.8 and we require just 1.2 currently. If we do drop
 323     // support for < 1.8 versions in the future it would be definitely better
 324     // to use cairo_toy_font_face_create() instead.
 325     wxCharBuffer m_fontName;
 326     cairo_font_slant_t m_slant;
 327     cairo_font_weight_t m_weight;
 328 };
 329
 330 class wxCairoBitmapData : public wxGraphicsObjectRefData
 331 {
 332 public:
 333     wxCairoBitmapData( wxGraphicsRenderer* renderer, const wxBitmap& bmp );
 334 #if wxUSE_IMAGE
 335     wxCairoBitmapData(wxGraphicsRenderer* renderer, const wxImage& image);
 336 #endif // wxUSE_IMAGE
 337     wxCairoBitmapData( wxGraphicsRenderer* renderer, cairo_surface_t* bitmap );
 338     ~wxCairoBitmapData();
 339
 340     virtual cairo_surface_t* GetCairoSurface() { return m_surface; }
 341     virtual cairo_pattern_t* GetCairoPattern() { return m_pattern; }
 342     virtual wxSize GetSize() { return wxSize(m_width, m_height); }
 343
 344 #if wxUSE_IMAGE
 345     wxImage ConvertToImage() const;
 346 #endif // wxUSE_IMAGE
 347
 348 private :
 349     // Allocate m_buffer for the bitmap of the given size in the given format.
 350     //
 351     // Returns the stride used for the buffer.
 352     int InitBuffer(int width, int height, cairo_format_t format);
 353
 354     // Really create the surface using the buffer (which was supposed to be
 355     // filled since InitBuffer() call).
 356     void InitSurface(cairo_format_t format, int stride);
 357
 358
 359     cairo_surface_t* m_surface;
 360     cairo_pattern_t* m_pattern;
 361     int m_width;
 362     int m_height;
 363     unsigned char* m_buffer;
 364 };
 365
 366 class WXDLLIMPEXP_CORE wxCairoContext : public wxGraphicsContext
 367 {
 368 public:
 369     wxCairoContext( wxGraphicsRenderer* renderer, const wxWindowDC& dc );
 370     wxCairoContext( wxGraphicsRenderer* renderer, const wxMemoryDC& dc );
 371     wxCairoContext( wxGraphicsRenderer* renderer, const wxPrinterDC& dc );
 372 #ifdef __WXGTK__
 373     wxCairoContext( wxGraphicsRenderer* renderer, GdkDrawable *drawable );
 374 #endif
 375 #ifdef __WXMSW__
 376     wxCairoContext( wxGraphicsRenderer* renderer, HDC context );
 377 #endif
 378     wxCairoContext( wxGraphicsRenderer* renderer, cairo_t *context );
 379     wxCairoContext( wxGraphicsRenderer* renderer, wxWindow *window);
 380
 381     // If this ctor is used, Init() must be called by the derived class later.
 382     wxCairoContext( wxGraphicsRenderer* renderer );
 383
 384     virtual ~wxCairoContext();
 385
 386     virtual bool ShouldOffset() const
 387     {
 388         if ( !m_enableOffset )
 389             return false;
 390
 391         int penwidth = 0 ;
 392         if ( !m_pen.IsNull() )
 393         {
 394             penwidth = (int)((wxCairoPenData*)m_pen.GetRefData())->GetWidth();
 395             if ( penwidth == 0 )
 396                 penwidth = 1;
 397         }
 398         return ( penwidth % 2 ) == 1;
 399     }
 400
 401     virtual void Clip( const wxRegion &region );
 402 #ifdef __WXMSW__
 403     cairo_surface_t* m_mswSurface;
 404 #endif
 405
 406     // clips drawings to the rect
 407     virtual void Clip( wxDouble x, wxDouble y, wxDouble w, wxDouble h );
 408
 409     // resets the clipping to original extent
 410     virtual void ResetClip();
 411
 412     virtual void * GetNativeContext();
 413
 414     virtual bool SetAntialiasMode(wxAntialiasMode antialias);
 415
 416     virtual bool SetInterpolationQuality(wxInterpolationQuality interpolation);
 417
 418     virtual bool SetCompositionMode(wxCompositionMode op);
 419
 420     virtual void BeginLayer(wxDouble opacity);
 421
 422     virtual void EndLayer();
 423
 424     virtual void StrokePath( const wxGraphicsPath& p );
 425     virtual void FillPath( const wxGraphicsPath& p , wxPolygonFillMode fillStyle = wxWINDING_RULE );
 426
 427     virtual void Translate( wxDouble dx , wxDouble dy );
 428     virtual void Scale( wxDouble xScale , wxDouble yScale );
 429     virtual void Rotate( wxDouble angle );
 430
 431     // concatenates this transform with the current transform of this context
 432     virtual void ConcatTransform( const wxGraphicsMatrix& matrix );
 433
 434     // sets the transform of this context
 435     virtual void SetTransform( const wxGraphicsMatrix& matrix );
 436
 437     // gets the matrix of this context
 438     virtual wxGraphicsMatrix GetTransform() const;
 439
 440     virtual void DrawBitmap( const wxGraphicsBitmap &bmp, wxDouble x, wxDouble y, wxDouble w, wxDouble h );
 441     virtual void DrawBitmap( const wxBitmap &bmp, wxDouble x, wxDouble y, wxDouble w, wxDouble h );
 442     virtual void DrawIcon( const wxIcon &icon, wxDouble x, wxDouble y, wxDouble w, wxDouble h );
 443     virtual void PushState();
 444     virtual void PopState();
 445
 446     virtual void GetTextExtent( const wxString &str, wxDouble *width, wxDouble *height,
 447                                 wxDouble *descent, wxDouble *externalLeading ) const;
 448     virtual void GetPartialTextExtents(const wxString& text, wxArrayDouble& widths) const;
 449
 450 protected:
 451     virtual void DoDrawText( const wxString &str, wxDouble x, wxDouble y );
 452
 453     void Init(cairo_t *context);
 454
 455 private:
 456     cairo_t* m_context;
 457
 458     wxVector<float> m_layerOpacities;
 459
 460     wxDECLARE_NO_COPY_CLASS(wxCairoContext);
 461 };
 462
 463 #if wxUSE_IMAGE
 464 // ----------------------------------------------------------------------------
 465 // wxCairoImageContext: context associated with a wxImage.
 466 // ----------------------------------------------------------------------------
 467
 468 class wxCairoImageContext : public wxCairoContext
 469 {
 470 public:
 471     wxCairoImageContext(wxGraphicsRenderer* renderer, wxImage& image) :
 472         wxCairoContext(renderer),
 473         m_image(image),
 474         m_data(renderer, image)
 475     {
 476         Init(cairo_create(m_data.GetCairoSurface()));
 477     }
 478
 479     virtual ~wxCairoImageContext()
 480     {
 481         m_image = m_data.ConvertToImage();
 482     }
 483
 484 private:
 485     wxImage& m_image;
 486     wxCairoBitmapData m_data;
 487
 488     wxDECLARE_NO_COPY_CLASS(wxCairoImageContext);
 489 };
 490 #endif // wxUSE_IMAGE
 491
 492 //-----------------------------------------------------------------------------
 493 // wxCairoPenData implementation
 494 //-----------------------------------------------------------------------------
 495
 496 wxCairoPenData::~wxCairoPenData()
 497 {
 498     delete[] m_userLengths;
 499 }
 500
 501 void wxCairoPenData::Init()
 502 {
 503     m_lengths = NULL;
 504     m_userLengths = NULL;
 505     m_width = 0;
 506     m_count = 0;
 507 }
 508
 509 wxCairoPenData::wxCairoPenData( wxGraphicsRenderer* renderer, const wxPen &pen )
 510 : wxGraphicsObjectRefData(renderer)
 511 {
 512     Init();
 513     m_pen = pen;
 514     m_width = m_pen.GetWidth();
 515     if (m_width <= 0.0)
 516         m_width = 0.1;
 517
 518     m_red = m_pen.GetColour().Red()/255.0;
 519     m_green = m_pen.GetColour().Green()/255.0;
 520     m_blue = m_pen.GetColour().Blue()/255.0;
 521     m_alpha = m_pen.GetColour().Alpha()/255.0;
 522
 523     switch ( m_pen.GetCap() )
 524     {
 525     case wxCAP_ROUND :
 526         m_cap = CAIRO_LINE_CAP_ROUND;
 527         break;
 528
 529     case wxCAP_PROJECTING :
 530         m_cap = CAIRO_LINE_CAP_SQUARE;
 531         break;
 532
 533     case wxCAP_BUTT :
 534         m_cap = CAIRO_LINE_CAP_BUTT;
 535         break;
 536
 537     default :
 538         m_cap = CAIRO_LINE_CAP_BUTT;
 539         break;
 540     }
 541
 542     switch ( m_pen.GetJoin() )
 543     {
 544     case wxJOIN_BEVEL :
 545         m_join = CAIRO_LINE_JOIN_BEVEL;
 546         break;
 547
 548     case wxJOIN_MITER :
 549         m_join = CAIRO_LINE_JOIN_MITER;
 550         break;
 551
 552     case wxJOIN_ROUND :
 553         m_join = CAIRO_LINE_JOIN_ROUND;
 554         break;
 555
 556     default :
 557         m_join = CAIRO_LINE_JOIN_MITER;
 558         break;
 559     }
 560
 561     const double dashUnit = m_width < 1.0 ? 1.0 : m_width;
 562     const double dotted[] =
 563     {
 564         dashUnit , dashUnit + 2.0
 565     };
 566     static const double short_dashed[] =
 567     {
 568         9.0 , 6.0
 569     };
 570     static const double dashed[] =
 571     {
 572         19.0 , 9.0
 573     };
 574     static const double dotted_dashed[] =
 575     {
 576         9.0 , 6.0 , 3.0 , 3.0
 577     };
 578
 579     switch ( m_pen.GetStyle() )
 580     {
 581     case wxPENSTYLE_SOLID :
 582         break;
 583
 584     case wxPENSTYLE_DOT :
 585         m_count = WXSIZEOF(dotted);
 586         m_userLengths = new double[ m_count ] ;
 587         memcpy( m_userLengths, dotted, sizeof(dotted) );
 588         m_lengths = m_userLengths;
 589         break;
 590
 591     case wxPENSTYLE_LONG_DASH :
 592         m_lengths = dashed ;
 593         m_count = WXSIZEOF(dashed);
 594         break;
 595
 596     case wxPENSTYLE_SHORT_DASH :
 597         m_lengths = short_dashed ;
 598         m_count = WXSIZEOF(short_dashed);
 599         break;
 600
 601     case wxPENSTYLE_DOT_DASH :
 602         m_lengths = dotted_dashed ;
 603         m_count = WXSIZEOF(dotted_dashed);
 604         break;
 605
 606     case wxPENSTYLE_USER_DASH :
 607         {
 608             wxDash *wxdashes ;
 609             m_count = m_pen.GetDashes( &wxdashes ) ;
 610             if ((wxdashes != NULL) && (m_count > 0))
 611             {
 612                 m_userLengths = new double[m_count] ;
 613                 for ( int i = 0 ; i < m_count ; ++i )
 614                 {
 615                     m_userLengths[i] = wxdashes[i] * dashUnit ;
 616
 617                     if ( i % 2 == 1 && m_userLengths[i] < dashUnit + 2.0 )
 618                         m_userLengths[i] = dashUnit + 2.0 ;
 619                     else if ( i % 2 == 0 && m_userLengths[i] < dashUnit )
 620                         m_userLengths[i] = dashUnit ;
 621                 }
 622             }
 623             m_lengths = m_userLengths ;
 624         }
 625         break;
 626     case wxPENSTYLE_STIPPLE :
 627         {
 628             /*
 629             wxBitmap* bmp = pen.GetStipple();
 630             if ( bmp && bmp->IsOk() )
 631             {
 632             wxDELETE( m_penImage );
 633             wxDELETE( m_penBrush );
 634             m_penImage = Bitmap::FromHBITMAP((HBITMAP)bmp->GetHBITMAP(),(HPALETTE)bmp->GetPalette()->GetHPALETTE());
 635             m_penBrush = new TextureBrush(m_penImage);
 636             m_pen->SetBrush( m_penBrush );
 637             }
 638             */
 639         }
 640         break;
 641     default :
 642         if ( m_pen.GetStyle() >= wxPENSTYLE_FIRST_HATCH
 643             && m_pen.GetStyle() <= wxPENSTYLE_LAST_HATCH )
 644         {
 645             /*
 646             wxDELETE( m_penBrush );
 647             HatchStyle style = HatchStyleHorizontal;
 648             switch( pen.GetStyle() )
 649             {
 650             case wxPENSTYLE_BDIAGONAL_HATCH :
 651             style = HatchStyleBackwardDiagonal;
 652             break ;
 653             case wxPENSTYLE_CROSSDIAG_HATCH :
 654             style = HatchStyleDiagonalCross;
 655             break ;
 656             case wxPENSTYLE_FDIAGONAL_HATCH :
 657             style = HatchStyleForwardDiagonal;
 658             break ;
 659             case wxPENSTYLE_CROSS_HATCH :
 660             style = HatchStyleCross;
 661             break ;
 662             case wxPENSTYLE_HORIZONTAL_HATCH :
 663             style = HatchStyleHorizontal;
 664             break ;
 665             case wxPENSTYLE_VERTICAL_HATCH :
 666             style = HatchStyleVertical;
 667             break ;
 668
 669             }
 670             m_penBrush = new HatchBrush(style,Color( pen.GetColour().Alpha() , pen.GetColour().Red() ,
 671             pen.GetColour().Green() , pen.GetColour().Blue() ), Color.Transparent );
 672             m_pen->SetBrush( m_penBrush )
 673             */
 674         }
 675         break;
 676     }
 677 }
 678
 679 void wxCairoPenData::Apply( wxGraphicsContext* context )
 680 {
 681     cairo_t * ctext = (cairo_t*) context->GetNativeContext();
 682     cairo_set_line_width(ctext,m_width);
 683     cairo_set_source_rgba(ctext,m_red,m_green, m_blue,m_alpha);
 684     cairo_set_line_cap(ctext,m_cap);
 685     cairo_set_line_join(ctext,m_join);
 686     cairo_set_dash(ctext,(double*)m_lengths,m_count,0.0);
 687 }
 688
 689 //-----------------------------------------------------------------------------
 690 // wxCairoBrushData implementation
 691 //-----------------------------------------------------------------------------
 692
 693 wxCairoBrushData::wxCairoBrushData( wxGraphicsRenderer* renderer )
 694   : wxGraphicsObjectRefData( renderer )
 695 {
 696     Init();
 697 }
 698
 699 wxCairoBrushData::wxCairoBrushData( wxGraphicsRenderer* renderer, const wxBrush &brush )
 700   : wxGraphicsObjectRefData(renderer)
 701 {
 702     Init();
 703
 704     m_red = brush.GetColour().Red()/255.0;
 705     m_green = brush.GetColour().Green()/255.0;
 706     m_blue = brush.GetColour().Blue()/255.0;
 707     m_alpha = brush.GetColour().Alpha()/255.0;
 708     /*
 709     if ( brush.GetStyle() == wxBRUSHSTYLE_SOLID)
 710     {
 711     m_brush = new SolidBrush( Color( brush.GetColour().Alpha() , brush.GetColour().Red() ,
 712     brush.GetColour().Green() , brush.GetColour().Blue() ) );
 713     }
 714     else if ( brush.IsHatch() )
 715     {
 716     HatchStyle style = HatchStyleHorizontal;
 717     switch( brush.GetStyle() )
 718     {
 719     case wxBRUSHSTYLE_BDIAGONAL_HATCH :
 720     style = HatchStyleBackwardDiagonal;
 721     break ;
 722     case wxBRUSHSTYLE_CROSSDIAG_HATCH :
 723     style = HatchStyleDiagonalCross;
 724     break ;
 725     case wxBRUSHSTYLE_FDIAGONAL_HATCH :
 726     style = HatchStyleForwardDiagonal;
 727     break ;
 728     case wxBRUSHSTYLE_CROSS_HATCH :
 729     style = HatchStyleCross;
 730     break ;
 731     case wxBRUSHSTYLE_HORIZONTAL_HATCH :
 732     style = HatchStyleHorizontal;
 733     break ;
 734     case wxBRUSHSTYLE_VERTICAL_HATCH :
 735     style = HatchStyleVertical;
 736     break ;
 737
 738     }
 739     m_brush = new HatchBrush(style,Color( brush.GetColour().Alpha() , brush.GetColour().Red() ,
 740     brush.GetColour().Green() , brush.GetColour().Blue() ), Color.Transparent );
 741     }
 742     else
 743     {
 744     wxBitmap* bmp = brush.GetStipple();
 745     if ( bmp && bmp->IsOk() )
 746     {
 747     wxDELETE( m_brushImage );
 748     m_brushImage = Bitmap::FromHBITMAP((HBITMAP)bmp->GetHBITMAP(),(HPALETTE)bmp->GetPalette()->GetHPALETTE());
 749     m_brush = new TextureBrush(m_brushImage);
 750     }
 751     }
 752     */
 753 }
 754
 755 wxCairoBrushData::~wxCairoBrushData ()
 756 {
 757     if (m_brushPattern)
 758         cairo_pattern_destroy(m_brushPattern);
 759 }
 760
 761 void wxCairoBrushData::Apply( wxGraphicsContext* context )
 762 {
 763     cairo_t * ctext = (cairo_t*) context->GetNativeContext();
 764     if ( m_brushPattern )
 765     {
 766         cairo_set_source(ctext,m_brushPattern);
 767     }
 768     else
 769     {
 770         cairo_set_source_rgba(ctext,m_red,m_green, m_blue,m_alpha);
 771     }
 772 }
 773
 774 void wxCairoBrushData::AddGradientStops(const wxGraphicsGradientStops& stops)
 775 {
 776     // loop over all the stops, they include the beginning and ending ones
 777     const unsigned numStops = stops.GetCount();
 778     for ( unsigned n = 0; n < numStops; n++ )
 779     {
 780         const wxGraphicsGradientStop stop = stops.Item(n);
 781
 782         const wxColour col = stop.GetColour();
 783
 784         cairo_pattern_add_color_stop_rgba
 785         (
 786             m_brushPattern,
 787             stop.GetPosition(),
 788             col.Red()/255.0,
 789             col.Green()/255.0,
 790             col.Blue()/255.0,
 791             col.Alpha()/255.0
 792         );
 793     }
 794
 795     wxASSERT_MSG(cairo_pattern_status(m_brushPattern) == CAIRO_STATUS_SUCCESS,
 796                  wxT("Couldn't create cairo pattern"));
 797 }
 798
 799 void
 800 wxCairoBrushData::CreateLinearGradientBrush(wxDouble x1, wxDouble y1,
 801                                             wxDouble x2, wxDouble y2,
 802                                             const wxGraphicsGradientStops& stops)
 803 {
 804     m_brushPattern = cairo_pattern_create_linear(x1,y1,x2,y2);
 805
 806     AddGradientStops(stops);
 807 }
 808
 809 void
 810 wxCairoBrushData::CreateRadialGradientBrush(wxDouble xo, wxDouble yo,
 811                                             wxDouble xc, wxDouble yc,
 812                                             wxDouble radius,
 813                                             const wxGraphicsGradientStops& stops)
 814 {
 815     m_brushPattern = cairo_pattern_create_radial(xo,yo,0.0,xc,yc,radius);
 816
 817     AddGradientStops(stops);
 818 }
 819
 820 void wxCairoBrushData::Init()
 821 {
 822     m_brushPattern = NULL;
 823 }
 824
 825 //-----------------------------------------------------------------------------
 826 // wxCairoFontData implementation
 827 //-----------------------------------------------------------------------------
 828
 829 void wxCairoFontData::InitColour(const wxColour& col)
 830 {
 831     m_red = col.Red()/255.0;
 832     m_green = col.Green()/255.0;
 833     m_blue = col.Blue()/255.0;
 834     m_alpha = col.Alpha()/255.0;
 835 }
 836
 837 void
 838 wxCairoFontData::InitFontComponents(const wxString& facename,
 839                                     cairo_font_slant_t slant,
 840                                     cairo_font_weight_t weight)
 841 {
 842     m_fontName = facename.mb_str(wxConvUTF8);
 843     m_slant = slant;
 844     m_weight = weight;
 845 }
 846
 847 wxCairoFontData::wxCairoFontData( wxGraphicsRenderer* renderer, const wxFont &font,
 848                          const wxColour& col ) : wxGraphicsObjectRefData(renderer)
 849 {
 850     InitColour(col);
 851
 852     m_size = font.GetPointSize();
 853     m_underlined = font.GetUnderlined();
 854
 855 #ifdef __WXMAC__
 856     m_font = cairo_quartz_font_face_create_for_cgfont( font.OSXGetCGFont() );
 857 #elif defined(__WXGTK__)
 858     m_font = pango_font_description_copy( font.GetNativeFontInfo()->description );
 859 #else
 860     InitFontComponents
 861     (
 862         font.GetFaceName(),
 863         font.GetStyle() == wxFONTSTYLE_ITALIC ? CAIRO_FONT_SLANT_ITALIC
 864                                               : CAIRO_FONT_SLANT_NORMAL,
 865         font.GetWeight() == wxFONTWEIGHT_BOLD ? CAIRO_FONT_WEIGHT_BOLD
 866                                               : CAIRO_FONT_WEIGHT_NORMAL
 867     );
 868 #endif
 869 }
 870
 871 wxCairoFontData::wxCairoFontData(wxGraphicsRenderer* renderer,
 872                                  double sizeInPixels,
 873                                  const wxString& facename,
 874                                  int flags,
 875                                  const wxColour& col) :
 876     wxGraphicsObjectRefData(renderer)
 877 {
 878     InitColour(col);
 879
 880     // Resolution for Cairo image surfaces is 72 DPI meaning that the sizes in
 881     // points and pixels are identical, so we can just pass the size in pixels
 882     // directly to cairo_set_font_size().
 883     m_size = sizeInPixels;
 884
 885 #if defined(__WXGTK__) || defined(__WXMAC__)
 886     m_font = NULL;
 887 #endif
 888
 889     m_underlined = (flags & wxFONTFLAG_UNDERLINED) != 0;
 890
 891     InitFontComponents
 892     (
 893         facename,
 894         flags & wxFONTFLAG_ITALIC ? CAIRO_FONT_SLANT_ITALIC
 895                                   : CAIRO_FONT_SLANT_NORMAL,
 896         flags & wxFONTFLAG_BOLD ? CAIRO_FONT_WEIGHT_BOLD
 897                                 : CAIRO_FONT_WEIGHT_NORMAL
 898     );
 899 }
 900
 901 wxCairoFontData::~wxCairoFontData()
 902 {
 903 #ifdef __WXMAC__
 904     if ( m_font )
 905         cairo_font_face_destroy( m_font );
 906 #elif defined(__WXGTK__)
 907     if ( m_font )
 908         pango_font_description_free( m_font );
 909 #else
 910 #endif
 911 }
 912
 913 bool wxCairoFontData::Apply( wxGraphicsContext* context )
 914 {
 915     cairo_t * ctext = (cairo_t*) context->GetNativeContext();
 916     cairo_set_source_rgba(ctext,m_red,m_green, m_blue,m_alpha);
 917 #ifdef __WXGTK__
 918     if ( m_font )
 919     {
 920         // Nothing to do, the caller uses Pango layout functions to do
 921         // everything.
 922         return true;
 923     }
 924 #elif defined(__WXMAC__)
 925     if ( m_font )
 926     {
 927         cairo_set_font_face(ctext, m_font);
 928         cairo_set_font_size(ctext, m_size );
 929         return true;
 930     }
 931 #endif
 932
 933     // If we get here, we must be on a platform without native font support or
 934     // we're using toy Cairo API even under wxGTK/wxMac.
 935     cairo_select_font_face(ctext, m_fontName, m_slant, m_weight );
 936     cairo_set_font_size(ctext, m_size );
 937
 938     // Indicate that we don't use native fonts for the platforms which care
 939     // about this (currently only wxGTK).
 940     return false;
 941 }
 942
 943 //-----------------------------------------------------------------------------
 944 // wxCairoPathData implementation
 945 //-----------------------------------------------------------------------------
 946
 947 wxCairoPathData::wxCairoPathData( wxGraphicsRenderer* renderer, cairo_t* pathcontext)
 948     : wxGraphicsPathData(renderer)
 949 {
 950     if (pathcontext)
 951     {
 952         m_pathContext = pathcontext;
 953     }
 954     else
 955     {
 956         cairo_surface_t* surface = cairo_image_surface_create(CAIRO_FORMAT_ARGB32,1,1);
 957         m_pathContext = cairo_create(surface);
 958         cairo_surface_destroy (surface);
 959     }
 960 }
 961
 962 wxCairoPathData::~wxCairoPathData()
 963 {
 964     cairo_destroy(m_pathContext);
 965 }
 966
 967 wxGraphicsObjectRefData *wxCairoPathData::Clone() const
 968 {
 969     cairo_surface_t* surface = cairo_image_surface_create(CAIRO_FORMAT_ARGB32,1,1);
 970     cairo_t* pathcontext = cairo_create(surface);
 971     cairo_surface_destroy (surface);
 972
 973     cairo_path_t* path = cairo_copy_path(m_pathContext);
 974     cairo_append_path(pathcontext, path);
 975     cairo_path_destroy(path);
 976     return new wxCairoPathData( GetRenderer() ,pathcontext);
 977 }
 978
 979
 980 void* wxCairoPathData::GetNativePath() const
 981 {
 982     return cairo_copy_path(m_pathContext) ;
 983 }
 984
 985 void wxCairoPathData::UnGetNativePath(void *p) const
 986 {
 987     cairo_path_destroy((cairo_path_t*)p);
 988 }
 989
 990 //
 991 // The Primitives
 992 //
 993
 994 void wxCairoPathData::MoveToPoint( wxDouble x , wxDouble y )
 995 {
 996     cairo_move_to(m_pathContext,x,y);
 997 }
 998
 999 void wxCairoPathData::AddLineToPoint( wxDouble x , wxDouble y )
1000 {
1001     cairo_line_to(m_pathContext,x,y);
1002 }
1003
1004 void wxCairoPathData::AddPath( const wxGraphicsPathData* path )
1005 {
1006     cairo_path_t* p = (cairo_path_t*)path->GetNativePath();
1007     cairo_append_path(m_pathContext, p);
1008     UnGetNativePath(p);
1009 }
1010
1011 void wxCairoPathData::CloseSubpath()
1012 {
1013     cairo_close_path(m_pathContext);
1014 }
1015
1016 void wxCairoPathData::AddCurveToPoint( wxDouble cx1, wxDouble cy1, wxDouble cx2, wxDouble cy2, wxDouble x, wxDouble y )
1017 {
1018     cairo_curve_to(m_pathContext,cx1,cy1,cx2,cy2,x,y);
1019 }
1020
1021 // gets the last point of the current path, (0,0) if not yet set
1022 void wxCairoPathData::GetCurrentPoint( wxDouble* x, wxDouble* y) const
1023 {
1024     double dx,dy;
1025     cairo_get_current_point(m_pathContext,&dx,&dy);
1026     if (x)
1027         *x = dx;
1028     if (y)
1029         *y = dy;
1030 }
1031
1032 void wxCairoPathData::AddArc( wxDouble x, wxDouble y, wxDouble r, double startAngle, double endAngle, bool clockwise )
1033 {
1034     // as clockwise means positive in our system (y pointing downwards)
1035     // TODO make this interpretation dependent of the
1036     // real device trans
1037     if ( clockwise||(endAngle-startAngle)>=2*M_PI)
1038         cairo_arc(m_pathContext,x,y,r,startAngle,endAngle);
1039     else
1040         cairo_arc_negative(m_pathContext,x,y,r,startAngle,endAngle);
1041 }
1042
1043 // transforms each point of this path by the matrix
1044 void wxCairoPathData::Transform( const wxGraphicsMatrixData* matrix )
1045 {
1046     // as we don't have a true path object, we have to apply the inverse
1047     // matrix to the context
1048     cairo_matrix_t m = *((cairo_matrix_t*) matrix->GetNativeMatrix());
1049     cairo_matrix_invert( &m );
1050     cairo_transform(m_pathContext,&m);
1051 }
1052
1053 // gets the bounding box enclosing all points (possibly including control points)
1054 void wxCairoPathData::GetBox(wxDouble *x, wxDouble *y, wxDouble *w, wxDouble *h) const
1055 {
1056     double x1,y1,x2,y2;
1057
1058     cairo_stroke_extents( m_pathContext, &x1, &y1, &x2, &y2 );
1059     if ( x2 < x1 )
1060     {
1061         *x = x2;
1062         *w = x1-x2;
1063     }
1064     else
1065     {
1066         *x = x1;
1067         *w = x2-x1;
1068     }
1069
1070     if( y2 < y1 )
1071     {
1072         *y = y2;
1073         *h = y1-y2;
1074     }
1075     else
1076     {
1077         *y = y1;
1078         *h = y2-y1;
1079     }
1080 }
1081
1082 bool wxCairoPathData::Contains( wxDouble x, wxDouble y, wxPolygonFillMode fillStyle ) const
1083 {
1084     cairo_set_fill_rule(m_pathContext,fillStyle==wxODDEVEN_RULE ? CAIRO_FILL_RULE_EVEN_ODD : CAIRO_FILL_RULE_WINDING);
1085     return cairo_in_fill( m_pathContext, x, y) != 0;
1086 }
1087
1088 //-----------------------------------------------------------------------------
1089 // wxCairoMatrixData implementation
1090 //-----------------------------------------------------------------------------
1091
1092 wxCairoMatrixData::wxCairoMatrixData(wxGraphicsRenderer* renderer, const cairo_matrix_t* matrix )
1093     : wxGraphicsMatrixData(renderer)
1094 {
1095     if ( matrix )
1096         m_matrix = *matrix;
1097 }
1098
1099 wxCairoMatrixData::~wxCairoMatrixData()
1100 {
1101     // nothing to do
1102 }
1103
1104 wxGraphicsObjectRefData *wxCairoMatrixData::Clone() const
1105 {
1106     return new wxCairoMatrixData(GetRenderer(),&m_matrix);
1107 }
1108
1109 // concatenates the matrix
1110 void wxCairoMatrixData::Concat( const wxGraphicsMatrixData *t )
1111 {
1112     cairo_matrix_multiply( &m_matrix, &m_matrix, (cairo_matrix_t*) t->GetNativeMatrix());
1113 }
1114
1115 // sets the matrix to the respective values
1116 void wxCairoMatrixData::Set(wxDouble a, wxDouble b, wxDouble c, wxDouble d,
1117                         wxDouble tx, wxDouble ty)
1118 {
1119     cairo_matrix_init( &m_matrix, a, b, c, d, tx, ty);
1120 }
1121
1122 // gets the component valuess of the matrix
1123 void wxCairoMatrixData::Get(wxDouble* a, wxDouble* b,  wxDouble* c,
1124                             wxDouble* d, wxDouble* tx, wxDouble* ty) const
1125 {
1126     if (a)  *a = m_matrix.xx;
1127     if (b)  *b = m_matrix.yx;
1128     if (c)  *c = m_matrix.xy;
1129     if (d)  *d = m_matrix.yy;
1130     if (tx) *tx= m_matrix.x0;
1131     if (ty) *ty= m_matrix.y0;
1132 }
1133
1134 // makes this the inverse matrix
1135 void wxCairoMatrixData::Invert()
1136 {
1137     cairo_matrix_invert( &m_matrix );
1138 }
1139
1140 // returns true if the elements of the transformation matrix are equal ?
1141 bool wxCairoMatrixData::IsEqual( const wxGraphicsMatrixData* t) const
1142 {
1143     const cairo_matrix_t* tm = (cairo_matrix_t*) t->GetNativeMatrix();
1144     return (
1145         m_matrix.xx == tm->xx &&
1146         m_matrix.yx == tm->yx &&
1147         m_matrix.xy == tm->xy &&
1148         m_matrix.yy == tm->yy &&
1149         m_matrix.x0 == tm->x0 &&
1150         m_matrix.y0 == tm->y0 ) ;
1151 }
1152
1153 // return true if this is the identity matrix
1154 bool wxCairoMatrixData::IsIdentity() const
1155 {
1156     return ( m_matrix.xx == 1 && m_matrix.yy == 1 &&
1157         m_matrix.yx == 0 && m_matrix.xy == 0 && m_matrix.x0 == 0 && m_matrix.y0 == 0);
1158 }
1159
1160 //
1161 // transformation
1162 //
1163
1164 // add the translation to this matrix
1165 void wxCairoMatrixData::Translate( wxDouble dx , wxDouble dy )
1166 {
1167     cairo_matrix_translate( &m_matrix, dx, dy) ;
1168 }
1169
1170 // add the scale to this matrix
1171 void wxCairoMatrixData::Scale( wxDouble xScale , wxDouble yScale )
1172 {
1173     cairo_matrix_scale( &m_matrix, xScale, yScale) ;
1174 }
1175
1176 // add the rotation to this matrix (radians)
1177 void wxCairoMatrixData::Rotate( wxDouble angle )
1178 {
1179     cairo_matrix_rotate( &m_matrix, angle) ;
1180 }
1181
1182 //
1183 // apply the transforms
1184 //
1185
1186 // applies that matrix to the point
1187 void wxCairoMatrixData::TransformPoint( wxDouble *x, wxDouble *y ) const
1188 {
1189     double lx = *x, ly = *y ;
1190     cairo_matrix_transform_point( &m_matrix, &lx, &ly);
1191     *x = lx;
1192     *y = ly;
1193 }
1194
1195 // applies the matrix except for translations
1196 void wxCairoMatrixData::TransformDistance( wxDouble *dx, wxDouble *dy ) const
1197 {
1198     double lx = *dx, ly = *dy ;
1199     cairo_matrix_transform_distance( &m_matrix, &lx, &ly);
1200     *dx = lx;
1201     *dy = ly;
1202 }
1203
1204 // returns the native representation
1205 void * wxCairoMatrixData::GetNativeMatrix() const
1206 {
1207     return (void*) &m_matrix;
1208 }
1209
1210 // ----------------------------------------------------------------------------
1211 // wxCairoBitmap implementation
1212 // ----------------------------------------------------------------------------
1213
1214 int wxCairoBitmapData::InitBuffer(int width, int height, cairo_format_t format)
1215 {
1216     wxUnusedVar(format); // Only really unused with Cairo < 1.6.
1217
1218     // Determine the stride: use cairo_format_stride_for_width() if available
1219     // but fall back to 4*width for the earlier versions as this is what that
1220     // function always returns, even in latest Cairo, anyhow.
1221     int stride;
1222 #if CAIRO_VERSION >= CAIRO_VERSION_ENCODE(1, 6, 0)
1223     if ( cairo_version() >= CAIRO_VERSION_ENCODE(1, 6, 0) )
1224     {
1225         stride = cairo_format_stride_for_width(format, width);
1226
1227         // All our code would totally break if stride were not a multiple of 4
1228         // so ensure this is the case.
1229         if ( stride % 4 )
1230         {
1231             wxFAIL_MSG("Unexpected Cairo image surface stride.");
1232
1233             stride += 4 - stride % 4;
1234         }
1235     }
1236     else
1237 #endif
1238         stride = 4*width;
1239
1240     m_width = width;
1241     m_height = height;
1242     m_buffer = new unsigned char[height*stride];
1243
1244     return stride;
1245 }
1246
1247 void wxCairoBitmapData::InitSurface(cairo_format_t format, int stride)
1248 {
1249     m_surface = cairo_image_surface_create_for_data(
1250                             m_buffer, format, m_width, m_height, stride);
1251     m_pattern = cairo_pattern_create_for_surface(m_surface);
1252 }
1253
1254 wxCairoBitmapData::wxCairoBitmapData( wxGraphicsRenderer* renderer, cairo_surface_t* bitmap ) :
1255     wxGraphicsObjectRefData( renderer )
1256 {
1257     m_surface = bitmap;
1258     m_pattern = cairo_pattern_create_for_surface(m_surface);
1259 }
1260
1261 wxCairoBitmapData::wxCairoBitmapData( wxGraphicsRenderer* renderer, const wxBitmap& bmp ) : wxGraphicsObjectRefData( renderer )
1262 {
1263     wxCHECK_RET( bmp.IsOk(), wxT("Invalid bitmap in wxCairoContext::DrawBitmap"));
1264
1265 #ifdef wxHAS_RAW_BITMAP
1266     // Create a surface object and copy the bitmap pixel data to it.  if the
1267     // image has alpha (or a mask represented as alpha) then we'll use a
1268     // different format and iterator than if it doesn't...
1269     const cairo_format_t bufferFormat = bmp.GetDepth() == 32
1270 #ifdef __WXGTK__
1271                                             || bmp.GetMask()
1272 #endif
1273                                         ? CAIRO_FORMAT_ARGB32
1274                                         : CAIRO_FORMAT_RGB24;
1275
1276     int stride = InitBuffer(bmp.GetWidth(), bmp.GetHeight(), bufferFormat);
1277
1278     int bw = m_width;
1279     int bh = m_height;
1280     wxBitmap bmpSource = bmp;  // we need a non-const instance
1281     wxUint32* data = (wxUint32*)m_buffer;
1282
1283     if ( bufferFormat == CAIRO_FORMAT_ARGB32 )
1284     {
1285         // use the bitmap's alpha
1286         wxAlphaPixelData pixData(bmpSource, wxPoint(0,0), wxSize(bw, bh));
1287         wxCHECK_RET( pixData, wxT("Failed to gain raw access to bitmap data."));
1288
1289         wxAlphaPixelData::Iterator p(pixData);
1290         for (int y=0; y<bh; y++)
1291         {
1292             wxAlphaPixelData::Iterator rowStart = p;
1293             wxUint32* const rowStartDst = data;
1294             for (int x=0; x<bw; x++)
1295             {
1296                 // Each pixel in CAIRO_FORMAT_ARGB32 is a 32-bit quantity,
1297                 // with alpha in the upper 8 bits, then red, then green, then
1298                 // blue. The 32-bit quantities are stored native-endian.
1299                 // Pre-multiplied alpha is used.
1300                 unsigned char alpha = p.Alpha();
1301                 if (alpha == 0)
1302                     *data = 0;
1303                 else
1304                     *data = ( alpha                      << 24
1305                               | (p.Red() * alpha/255)    << 16
1306                               | (p.Green() * alpha/255)  <<  8
1307                               | (p.Blue() * alpha/255) );
1308                 ++data;
1309                 ++p;
1310             }
1311
1312             data = rowStartDst + stride / 4;
1313             p = rowStart;
1314             p.OffsetY(pixData, 1);
1315         }
1316     }
1317     else  // no alpha
1318     {
1319         wxNativePixelData pixData(bmpSource, wxPoint(0,0), wxSize(bw, bh));
1320         wxCHECK_RET( pixData, wxT("Failed to gain raw access to bitmap data."));
1321
1322         wxNativePixelData::Iterator p(pixData);
1323         for (int y=0; y<bh; y++)
1324         {
1325             wxNativePixelData::Iterator rowStart = p;
1326             wxUint32* const rowStartDst = data;
1327             for (int x=0; x<bw; x++)
1328             {
1329                 // Each pixel in CAIRO_FORMAT_RGB24 is a 32-bit quantity, with
1330                 // the upper 8 bits unused. Red, Green, and Blue are stored in
1331                 // the remaining 24 bits in that order.  The 32-bit quantities
1332                 // are stored native-endian.
1333                 *data = ( p.Red() << 16 | p.Green() << 8 | p.Blue() );
1334                 ++data;
1335                 ++p;
1336             }
1337
1338             data = rowStartDst + stride / 4;
1339             p = rowStart;
1340             p.OffsetY(pixData, 1);
1341         }
1342     }
1343 #ifdef __WXMSW__
1344     // if there is a mask, set the alpha bytes in the target buffer to
1345     // fully transparent or fully opaque
1346     if (bmpSource.GetMask())
1347     {
1348         wxBitmap bmpMask = bmpSource.GetMaskBitmap();
1349         bufferFormat = CAIRO_FORMAT_ARGB32;
1350         data = (wxUint32*)m_buffer;
1351         wxNativePixelData pixData(bmpMask, wxPoint(0,0), wxSize(bw, bh));
1352         wxCHECK_RET( pixData, wxT("Failed to gain raw access to mask bitmap data."));
1353
1354         wxNativePixelData::Iterator p(pixData);
1355         for (int y=0; y<bh; y++)
1356         {
1357             wxNativePixelData::Iterator rowStart = p;
1358             wxUint32* const rowStartDst = data;
1359             for (int x=0; x<bw; x++)
1360             {
1361                 if (p.Red()+p.Green()+p.Blue() == 0)
1362                     *data = 0;
1363                 else
1364                     *data = (wxALPHA_OPAQUE << 24) | (*data & 0x00FFFFFF);
1365                 ++data;
1366                 ++p;
1367             }
1368
1369             data = rowStartDst + stride / 4;
1370             p = rowStart;
1371             p.OffsetY(pixData, 1);
1372         }
1373     }
1374 #endif
1375
1376     InitSurface(bufferFormat, stride);
1377 #endif // wxHAS_RAW_BITMAP
1378 }
1379
1380 #if wxUSE_IMAGE
1381
1382 // Helper functions for dealing with alpha pre-multiplication.
1383 namespace
1384 {
1385
1386 inline unsigned char Premultiply(unsigned char alpha, unsigned char data)
1387 {
1388     return alpha ? (data * alpha)/0xff : data;
1389 }
1390
1391 inline unsigned char Unpremultiply(unsigned char alpha, unsigned char data)
1392 {
1393     return alpha ? (data * 0xff)/alpha : data;
1394 }
1395
1396 } // anonymous namespace
1397
1398 wxCairoBitmapData::wxCairoBitmapData(wxGraphicsRenderer* renderer,
1399                                      const wxImage& image)
1400     : wxGraphicsObjectRefData(renderer)
1401 {
1402     const cairo_format_t bufferFormat = image.HasAlpha()
1403                                             ? CAIRO_FORMAT_ARGB32
1404                                             : CAIRO_FORMAT_RGB24;
1405
1406     int stride = InitBuffer(image.GetWidth(), image.GetHeight(), bufferFormat);
1407
1408     // Copy wxImage data into the buffer. Notice that we work with wxUint32
1409     // values and not bytes becase Cairo always works with buffers in native
1410     // endianness.
1411     wxUint32* dst = reinterpret_cast<wxUint32*>(m_buffer);
1412     const unsigned char* src = image.GetData();
1413
1414     if ( bufferFormat == CAIRO_FORMAT_ARGB32 )
1415     {
1416         const unsigned char* alpha = image.GetAlpha();
1417
1418         for ( int y = 0; y < m_height; y++ )
1419         {
1420             wxUint32* const rowStartDst = dst;
1421
1422             for ( int x = 0; x < m_width; x++ )
1423             {
1424                 const unsigned char a = *alpha++;
1425
1426                 *dst++ = a                      << 24 |
1427                          Premultiply(a, src[0]) << 16 |
1428                          Premultiply(a, src[1]) <<  8 |
1429                          Premultiply(a, src[2]);
1430                 src += 3;
1431             }
1432
1433             dst = rowStartDst + stride / 4;
1434         }
1435     }
1436     else // RGB
1437     {
1438         for ( int y = 0; y < m_height; y++ )
1439         {
1440             wxUint32* const rowStartDst = dst;
1441
1442             for ( int x = 0; x < m_width; x++ )
1443             {
1444                 *dst++ = src[0] << 16 |
1445                          src[1] <<  8 |
1446                          src[2];
1447                 src += 3;
1448             }
1449
1450             dst = rowStartDst + stride / 4;
1451         }
1452     }
1453
1454     InitSurface(bufferFormat, stride);
1455 }
1456
1457 wxImage wxCairoBitmapData::ConvertToImage() const
1458 {
1459     wxImage image(m_width, m_height, false /* don't clear */);
1460
1461     // Get the surface type and format.
1462     wxCHECK_MSG( cairo_surface_get_type(m_surface) == CAIRO_SURFACE_TYPE_IMAGE,
1463                  wxNullImage,
1464                  wxS("Can't convert non-image surface to image.") );
1465
1466     switch ( cairo_image_surface_get_format(m_surface) )
1467     {
1468         case CAIRO_FORMAT_ARGB32:
1469             image.SetAlpha();
1470             break;
1471
1472         case CAIRO_FORMAT_RGB24:
1473             // Nothing to do, we don't use alpha by default.
1474             break;
1475
1476         case CAIRO_FORMAT_A8:
1477         case CAIRO_FORMAT_A1:
1478             wxFAIL_MSG(wxS("Unsupported Cairo image surface type."));
1479             return wxNullImage;
1480
1481         default:
1482             wxFAIL_MSG(wxS("Unknown Cairo image surface type."));
1483             return wxNullImage;
1484     }
1485
1486     // Prepare for copying data.
1487     const wxUint32* src = (wxUint32*)cairo_image_surface_get_data(m_surface);
1488     wxCHECK_MSG( src, wxNullImage, wxS("Failed to get Cairo surface data.") );
1489
1490     int stride = cairo_image_surface_get_stride(m_surface);
1491     wxCHECK_MSG( stride > 0, wxNullImage,
1492                  wxS("Failed to get Cairo surface stride.") );
1493
1494     // As we work with wxUint32 pointers and not char ones, we need to adjust
1495     // the stride accordingly. This should be lossless as the stride must be a
1496     // multiple of pixel size.
1497     wxASSERT_MSG( !(stride % sizeof(wxUint32)), wxS("Unexpected stride.") );
1498     stride /= sizeof(wxUint32);
1499
1500     unsigned char* dst = image.GetData();
1501     unsigned char *alpha = image.GetAlpha();
1502     if ( alpha )
1503     {
1504         // We need to also copy alpha and undo the pre-multiplication as Cairo
1505         // stores pre-multiplied values in this format while wxImage does not.
1506         for ( int y = 0; y < m_height; y++ )
1507         {
1508             const wxUint32* const rowStart = src;
1509             for ( int x = 0; x < m_width; x++ )
1510             {
1511                 const wxUint32 argb = *src++;
1512
1513                 *alpha++ = (argb & 0xff000000) >> 24;
1514
1515                 // Copy the RGB data undoing the pre-multiplication.
1516                 *dst++ = Unpremultiply(*alpha, (argb & 0x00ff0000) >> 16);
1517                 *dst++ = Unpremultiply(*alpha, (argb & 0x0000ff00) >>  8);
1518                 *dst++ = Unpremultiply(*alpha, (argb & 0x000000ff));
1519             }
1520
1521             src = rowStart + stride;
1522         }
1523     }
1524     else // RGB
1525     {
1526         // Things are pretty simple in this case, just copy RGB bytes.
1527         for ( int y = 0; y < m_height; y++ )
1528         {
1529             const wxUint32* const rowStart = src;
1530             for ( int x = 0; x < m_width; x++ )
1531             {
1532                 const wxUint32 argb = *src++;
1533
1534                 *dst++ = (argb & 0x00ff0000) >> 16;
1535                 *dst++ = (argb & 0x0000ff00) >>  8;
1536                 *dst++ = (argb & 0x000000ff);
1537             }
1538
1539             src = rowStart + stride;
1540         }
1541     }
1542
1543     return image;
1544 }
1545
1546 #endif // wxUSE_IMAGE
1547
1548 wxCairoBitmapData::~wxCairoBitmapData()
1549 {
1550     if (m_pattern)
1551         cairo_pattern_destroy(m_pattern);
1552
1553     if (m_surface)
1554         cairo_surface_destroy(m_surface);
1555
1556     delete [] m_buffer;
1557 }
1558
1559 // ----------------------------------------------------------------------------
1560 // wxGraphicsBitmap implementation
1561 // ----------------------------------------------------------------------------
1562
1563 #if wxUSE_IMAGE
1564
1565 wxImage wxGraphicsBitmap::ConvertToImage() const
1566 {
1567     const wxCairoBitmapData* const
1568         data = static_cast<wxCairoBitmapData*>(GetGraphicsData());
1569
1570     return data ? data->ConvertToImage() : wxNullImage;
1571 }
1572
1573 #endif // wxUSE_IMAGE
1574
1575 //-----------------------------------------------------------------------------
1576 // wxCairoContext implementation
1577 //-----------------------------------------------------------------------------
1578
1579 class wxCairoOffsetHelper
1580 {
1581 public :
1582     wxCairoOffsetHelper( cairo_t* ctx , bool offset )
1583     {
1584         m_ctx = ctx;
1585         m_offset = offset;
1586         if ( m_offset )
1587              cairo_translate( m_ctx, 0.5, 0.5 );
1588     }
1589     ~wxCairoOffsetHelper( )
1590     {
1591         if ( m_offset )
1592             cairo_translate( m_ctx, -0.5, -0.5 );
1593     }
1594 public :
1595     cairo_t* m_ctx;
1596     bool m_offset;
1597 } ;
1598
1599 wxCairoContext::wxCairoContext( wxGraphicsRenderer* renderer, const wxPrinterDC& dc )
1600 : wxGraphicsContext(renderer)
1601 {
1602 #ifdef __WXMSW__
1603     // wxMSW contexts always use MM_ANISOTROPIC, which messes up
1604     // text rendering when printing using Cairo. Switch it to MM_TEXT
1605     // map mode to avoid this problem.
1606     HDC hdc = (HDC)dc.GetHDC();
1607     ::SetMapMode(hdc, MM_TEXT);
1608     m_mswSurface = cairo_win32_printing_surface_create(hdc);
1609     Init( cairo_create(m_mswSurface) );
1610 #endif
1611
1612 #ifdef __WXGTK20__
1613     const wxDCImpl *impl = dc.GetImpl();
1614     Init( (cairo_t*) impl->GetCairoContext() );
1615 #endif
1616     wxSize sz = dc.GetSize();
1617     m_width = sz.x;
1618     m_height = sz.y;
1619
1620     wxPoint org = dc.GetDeviceOrigin();
1621     cairo_translate( m_context, org.x, org.y );
1622
1623     double sx,sy;
1624     dc.GetUserScale( &sx, &sy );
1625
1626 // TODO: Determine if these fixes are needed on other platforms too.
1627 // On MSW, without this the printer context will not respect wxDC SetMapMode calls.
1628 // For example, using dc.SetMapMode(wxMM_POINTS) can let us share printer and screen
1629 // drawing code
1630 #ifdef __WXMSW__
1631     double lsx,lsy;
1632     dc.GetLogicalScale( &lsx, &lsy );
1633     sx *= lsx;
1634     sy *= lsy;
1635 #endif
1636     cairo_scale( m_context, sx, sy );
1637
1638     org = dc.GetLogicalOrigin();
1639     cairo_translate( m_context, -org.x, -org.y );
1640 }
1641
1642 wxCairoContext::wxCairoContext( wxGraphicsRenderer* renderer, const wxWindowDC& dc )
1643 : wxGraphicsContext(renderer)
1644 {
1645     int width, height;
1646     dc.GetSize( &width, &height );
1647     m_width = width;
1648     m_height = height;
1649
1650     m_enableOffset = true;
1651
1652 #ifdef __WXMSW__
1653     m_mswSurface = cairo_win32_surface_create((HDC)dc.GetHDC());
1654     Init( cairo_create(m_mswSurface) );
1655 #endif
1656
1657 #ifdef __WXGTK20__
1658     wxGTKDCImpl *impldc = (wxGTKDCImpl*) dc.GetImpl();
1659     Init( gdk_cairo_create( impldc->GetGDKWindow() ) );
1660
1661 #if 0
1662     wxGraphicsMatrix matrix = CreateMatrix();
1663
1664     wxPoint org = dc.GetDeviceOrigin();
1665     matrix.Translate( org.x, org.y );
1666
1667     org = dc.GetLogicalOrigin();
1668     matrix.Translate( -org.x, -org.y );
1669
1670     double sx,sy;
1671     dc.GetUserScale( &sx, &sy );
1672     matrix.Scale( sx, sy );
1673
1674     ConcatTransform( matrix );
1675 #endif
1676 #endif
1677
1678 #ifdef __WXMAC__
1679     CGContextRef cgcontext = (CGContextRef)dc.GetWindow()->MacGetCGContextRef();
1680     cairo_surface_t* surface = cairo_quartz_surface_create_for_cg_context(cgcontext, width, height);
1681     Init( cairo_create( surface ) );
1682     cairo_surface_destroy( surface );
1683 #endif
1684 }
1685
1686 wxCairoContext::wxCairoContext( wxGraphicsRenderer* renderer, const wxMemoryDC& dc )
1687 : wxGraphicsContext(renderer)
1688 {
1689     int width, height;
1690     dc.GetSize( &width, &height );
1691     m_width = width;
1692     m_height = height;
1693
1694     m_enableOffset = true;
1695
1696 #ifdef __WXMSW__
1697     m_mswSurface = cairo_win32_surface_create((HDC)dc.GetHDC());
1698     Init( cairo_create(m_mswSurface) );
1699 #endif
1700
1701 #ifdef __WXGTK20__
1702     wxGTKDCImpl *impldc = (wxGTKDCImpl*) dc.GetImpl();
1703     Init( gdk_cairo_create( impldc->GetGDKWindow() ) );
1704
1705 #if 0
1706     wxGraphicsMatrix matrix = CreateMatrix();
1707
1708     wxPoint org = dc.GetDeviceOrigin();
1709     matrix.Translate( org.x, org.y );
1710
1711     org = dc.GetLogicalOrigin();
1712     matrix.Translate( -org.x, -org.y );
1713
1714     double sx,sy;
1715     dc.GetUserScale( &sx, &sy );
1716     matrix.Scale( sx, sy );
1717
1718     ConcatTransform( matrix );
1719 #endif
1720 #endif
1721
1722 #ifdef __WXMAC__
1723     CGContextRef cgcontext = (CGContextRef)dc.GetWindow()->MacGetCGContextRef();
1724     cairo_surface_t* surface = cairo_quartz_surface_create_for_cg_context(cgcontext, width, height);
1725     Init( cairo_create( surface ) );
1726     cairo_surface_destroy( surface );
1727 #endif
1728 }
1729
1730 #ifdef __WXGTK20__
1731 wxCairoContext::wxCairoContext( wxGraphicsRenderer* renderer, GdkDrawable *drawable )
1732 : wxGraphicsContext(renderer)
1733 {
1734     Init( gdk_cairo_create( drawable ) );
1735
1736     int width, height;
1737     gdk_drawable_get_size( drawable, &width, &height );
1738     m_width = width;
1739     m_height = height;
1740 }
1741 #endif
1742
1743 #ifdef __WXMSW__
1744 wxCairoContext::wxCairoContext( wxGraphicsRenderer* renderer, HDC handle )
1745 : wxGraphicsContext(renderer)
1746 {
1747     m_mswSurface = cairo_win32_surface_create(handle);
1748     Init( cairo_create(m_mswSurface) );
1749     m_width =
1750     m_height = 0;
1751 }
1752 #endif
1753
1754
1755 wxCairoContext::wxCairoContext( wxGraphicsRenderer* renderer, cairo_t *context )
1756 : wxGraphicsContext(renderer)
1757 {
1758     Init( context );
1759     m_width =
1760     m_height = 0;
1761 }
1762
1763 wxCairoContext::wxCairoContext( wxGraphicsRenderer* renderer, wxWindow *window)
1764 : wxGraphicsContext(renderer)
1765 {
1766     m_enableOffset = true;
1767 #ifdef __WXGTK__
1768     // something along these lines (copied from dcclient)
1769
1770     // Some controls don't have m_wxwindow - like wxStaticBox, but the user
1771     // code should still be able to create wxClientDCs for them, so we will
1772     // use the parent window here then.
1773     if (window->m_wxwindow == NULL)
1774     {
1775         window = window->GetParent();
1776     }
1777
1778     wxASSERT_MSG( window->m_wxwindow, wxT("wxCairoContext needs a widget") );
1779
1780     Init(gdk_cairo_create(window->GTKGetDrawingWindow()));
1781
1782     wxSize sz = window->GetSize();
1783     m_width = sz.x;
1784     m_height = sz.y;
1785 #endif
1786
1787 #ifdef __WXMSW__
1788     m_mswSurface = cairo_win32_surface_create((HDC)window->GetHandle());
1789     Init(cairo_create(m_mswSurface));
1790 #endif
1791
1792 }
1793
1794 wxCairoContext::wxCairoContext(wxGraphicsRenderer* renderer) :
1795     wxGraphicsContext(renderer)
1796 {
1797     m_context = NULL;
1798 }
1799
1800 wxCairoContext::~wxCairoContext()
1801 {
1802     if ( m_context )
1803     {
1804         PopState();
1805         PopState();
1806         cairo_destroy(m_context);
1807     }
1808 #ifdef __WXMSW__
1809     if ( m_mswSurface )
1810         cairo_surface_destroy(m_mswSurface);
1811 #endif
1812 }
1813
1814 void wxCairoContext::Init(cairo_t *context)
1815 {
1816     m_context = context ;
1817     PushState();
1818     PushState();
1819 }
1820
1821
1822 void wxCairoContext::Clip( const wxRegion& region )
1823 {
1824     // Create a path with all the rectangles in the region
1825     wxGraphicsPath path = GetRenderer()->CreatePath();
1826     wxRegionIterator ri(region);
1827     while (ri)
1828     {
1829         path.AddRectangle(ri.GetX(), ri.GetY(), ri.GetW(), ri.GetH());
1830         ++ri;
1831     }
1832
1833     // Put it in the context
1834     cairo_path_t* cp = (cairo_path_t*) path.GetNativePath() ;
1835     cairo_append_path(m_context, cp);
1836
1837     // clip to that path
1838     cairo_clip(m_context);
1839     path.UnGetNativePath(cp);
1840 }
1841
1842 void wxCairoContext::Clip( wxDouble x, wxDouble y, wxDouble w, wxDouble h )
1843 {
1844     // Create a path with this rectangle
1845     wxGraphicsPath path = GetRenderer()->CreatePath();
1846     path.AddRectangle(x,y,w,h);
1847
1848     // Put it in the context
1849     cairo_path_t* cp = (cairo_path_t*) path.GetNativePath() ;
1850     cairo_append_path(m_context, cp);
1851
1852     // clip to that path
1853     cairo_clip(m_context);
1854     path.UnGetNativePath(cp);
1855 }
1856
1857 void wxCairoContext::ResetClip()
1858 {
1859     cairo_reset_clip(m_context);
1860 }
1861
1862
1863 void wxCairoContext::StrokePath( const wxGraphicsPath& path )
1864 {
1865     if ( !m_pen.IsNull() )
1866     {
1867         wxCairoOffsetHelper helper( m_context, ShouldOffset() ) ;
1868         cairo_path_t* cp = (cairo_path_t*) path.GetNativePath() ;
1869         cairo_append_path(m_context,cp);
1870         ((wxCairoPenData*)m_pen.GetRefData())->Apply(this);
1871         cairo_stroke(m_context);
1872         path.UnGetNativePath(cp);
1873     }
1874 }
1875
1876 void wxCairoContext::FillPath( const wxGraphicsPath& path , wxPolygonFillMode fillStyle )
1877 {
1878     if ( !m_brush.IsNull() )
1879     {
1880         wxCairoOffsetHelper helper( m_context, ShouldOffset() ) ;
1881         cairo_path_t* cp = (cairo_path_t*) path.GetNativePath() ;
1882         cairo_append_path(m_context,cp);
1883         ((wxCairoBrushData*)m_brush.GetRefData())->Apply(this);
1884         cairo_set_fill_rule(m_context,fillStyle==wxODDEVEN_RULE ? CAIRO_FILL_RULE_EVEN_ODD : CAIRO_FILL_RULE_WINDING);
1885         cairo_fill(m_context);
1886         path.UnGetNativePath(cp);
1887     }
1888 }
1889
1890 void wxCairoContext::Rotate( wxDouble angle )
1891 {
1892     cairo_rotate(m_context,angle);
1893 }
1894
1895 void wxCairoContext::Translate( wxDouble dx , wxDouble dy )
1896 {
1897     cairo_translate(m_context,dx,dy);
1898 }
1899
1900 void wxCairoContext::Scale( wxDouble xScale , wxDouble yScale )
1901 {
1902     cairo_scale(m_context,xScale,yScale);
1903 }
1904
1905 // concatenates this transform with the current transform of this context
1906 void wxCairoContext::ConcatTransform( const wxGraphicsMatrix& matrix )
1907 {
1908     cairo_transform(m_context,(const cairo_matrix_t *) matrix.GetNativeMatrix());
1909 }
1910
1911 // sets the transform of this context
1912 void wxCairoContext::SetTransform( const wxGraphicsMatrix& matrix )
1913 {
1914     cairo_set_matrix(m_context,(const cairo_matrix_t*) matrix.GetNativeMatrix());
1915 }
1916
1917 // gets the matrix of this context
1918 wxGraphicsMatrix wxCairoContext::GetTransform() const
1919 {
1920     wxGraphicsMatrix matrix = CreateMatrix();
1921     cairo_get_matrix(m_context,(cairo_matrix_t*) matrix.GetNativeMatrix());
1922     return matrix;
1923 }
1924
1925
1926
1927 void wxCairoContext::PushState()
1928 {
1929     cairo_save(m_context);
1930 }
1931
1932 void wxCairoContext::PopState()
1933 {
1934     cairo_restore(m_context);
1935 }
1936
1937 void wxCairoContext::DrawBitmap( const wxBitmap &bmp, wxDouble x, wxDouble y, wxDouble w, wxDouble h )
1938 {
1939     wxGraphicsBitmap bitmap = GetRenderer()->CreateBitmap(bmp);
1940     DrawBitmap(bitmap, x, y, w, h);
1941
1942 }
1943
1944 void wxCairoContext::DrawBitmap(const wxGraphicsBitmap &bmp, wxDouble x, wxDouble y, wxDouble w, wxDouble h )
1945 {
1946     PushState();
1947
1948     // In case we're scaling the image by using a width and height different
1949     // than the bitmap's size create a pattern transformation on the surface and
1950     // draw the transformed pattern.
1951     wxCairoBitmapData* data = static_cast<wxCairoBitmapData*>(bmp.GetRefData());
1952     cairo_pattern_t* pattern = data->GetCairoPattern();
1953     wxSize size = data->GetSize();
1954
1955     wxDouble scaleX = w / size.GetWidth();
1956     wxDouble scaleY = h / size.GetHeight();
1957
1958     // prepare to draw the image
1959     cairo_translate(m_context, x, y);
1960     cairo_scale(m_context, scaleX, scaleY);
1961     cairo_set_source(m_context, pattern);
1962     // use the original size here since the context is scaled already...
1963     cairo_rectangle(m_context, 0, 0, size.GetWidth(), size.GetHeight());
1964     // fill the rectangle using the pattern
1965     cairo_fill(m_context);
1966
1967     PopState();
1968 }
1969
1970 void wxCairoContext::DrawIcon( const wxIcon &icon, wxDouble x, wxDouble y, wxDouble w, wxDouble h )
1971 {
1972     // An icon is a bitmap on wxGTK, so do this the easy way.  When we want to
1973     // start using the Cairo backend on other platforms then we may need to
1974     // fiddle with this...
1975     DrawBitmap(icon, x, y, w, h);
1976 }
1977
1978
1979 void wxCairoContext::DoDrawText(const wxString& str, wxDouble x, wxDouble y)
1980 {
1981     wxCHECK_RET( !m_font.IsNull(),
1982                  wxT("wxCairoContext::DrawText - no valid font set") );
1983
1984     if ( str.empty())
1985         return;
1986
1987     const wxCharBuffer data = str.utf8_str();
1988     if ( !data )
1989         return;
1990
1991     if ( ((wxCairoFontData*)m_font.GetRefData())->Apply(this) )
1992     {
1993 #ifdef __WXGTK__
1994         size_t datalen = strlen(data);
1995
1996         PangoLayout *layout = pango_cairo_create_layout (m_context);
1997         wxCairoFontData* font_data = (wxCairoFontData*) m_font.GetRefData();
1998         pango_layout_set_font_description( layout, font_data->GetFont());
1999         pango_layout_set_text(layout, data, datalen);
2000
2001         if (font_data->GetUnderlined())
2002         {
2003             PangoAttrList *attrs = pango_attr_list_new();
2004             PangoAttribute *attr = pango_attr_underline_new(PANGO_UNDERLINE_SINGLE);
2005             pango_attr_list_insert(attrs, attr);
2006             pango_layout_set_attributes(layout, attrs);
2007             pango_attr_list_unref(attrs);
2008         }
2009
2010         cairo_move_to(m_context, x, y);
2011         pango_cairo_show_layout (m_context, layout);
2012
2013         g_object_unref (layout);
2014
2015         // Don't use Cairo text API, we already did everything.
2016         return;
2017 #endif
2018     }
2019
2020     // Cairo's x,y for drawing text is at the baseline, so we need to adjust
2021     // the position we move to by the ascent.
2022     cairo_font_extents_t fe;
2023     cairo_font_extents(m_context, &fe);
2024     cairo_move_to(m_context, x, y+fe.ascent);
2025
2026     cairo_show_text(m_context, data);
2027 }
2028
2029 void wxCairoContext::GetTextExtent( const wxString &str, wxDouble *width, wxDouble *height,
2030                                     wxDouble *descent, wxDouble *externalLeading ) const
2031 {
2032     wxCHECK_RET( !m_font.IsNull(), wxT("wxCairoContext::GetTextExtent - no valid font set") );
2033
2034     if ( width )
2035         *width = 0;
2036     if ( height )
2037         *height = 0;
2038     if ( descent )
2039         *descent = 0;
2040     if ( externalLeading )
2041         *externalLeading = 0;
2042
2043     if ( str.empty())
2044         return;
2045
2046     if ( ((wxCairoFontData*)m_font.GetRefData())->Apply((wxCairoContext*)this) )
2047     {
2048 #ifdef __WXGTK__
2049         int w, h;
2050
2051         PangoLayout *layout = pango_cairo_create_layout (m_context);
2052         pango_layout_set_font_description( layout, ((wxCairoFontData*)m_font.GetRefData())->GetFont());
2053         const wxCharBuffer data = str.utf8_str();
2054         if ( !data )
2055         {
2056             return;
2057         }
2058         pango_layout_set_text( layout, data, strlen(data) );
2059         pango_layout_get_pixel_size (layout, &w, &h);
2060         if ( width )
2061             *width = w;
2062         if ( height )
2063             *height = h;
2064         if (descent)
2065         {
2066             PangoLayoutIter *iter = pango_layout_get_iter(layout);
2067             int baseline = pango_layout_iter_get_baseline(iter);
2068             pango_layout_iter_free(iter);
2069             *descent = h - PANGO_PIXELS(baseline);
2070         }
2071         g_object_unref (layout);
2072         return;
2073 #endif
2074     }
2075
2076     if (width)
2077     {
2078         const wxWX2MBbuf buf(str.mb_str(wxConvUTF8));
2079         cairo_text_extents_t te;
2080         cairo_text_extents(m_context, buf, &te);
2081         *width = te.width;
2082     }
2083
2084     if (height || descent || externalLeading)
2085     {
2086         cairo_font_extents_t fe;
2087         cairo_font_extents(m_context, &fe);
2088
2089         // some backends have negative descents
2090
2091         if ( fe.descent < 0 )
2092             fe.descent = -fe.descent;
2093
2094         if ( fe.height < (fe.ascent + fe.descent ) )
2095         {
2096             // some backends are broken re height ... (eg currently ATSUI)
2097             fe.height = fe.ascent + fe.descent;
2098         }
2099
2100         if (height)
2101             *height = fe.height;
2102         if ( descent )
2103             *descent = fe.descent;
2104         if ( externalLeading )
2105             *externalLeading = wxMax(0, fe.height - (fe.ascent + fe.descent));
2106     }
2107 }
2108
2109 void wxCairoContext::GetPartialTextExtents(const wxString& text, wxArrayDouble& widths) const
2110 {
2111     widths.Empty();
2112     widths.Add(0, text.length());
2113
2114     wxCHECK_RET( !m_font.IsNull(), wxT("wxCairoContext::GetPartialTextExtents - no valid font set") );
2115
2116     if (text.empty())
2117         return;
2118
2119     // TODO
2120 }
2121
2122 void * wxCairoContext::GetNativeContext()
2123 {
2124     return m_context;
2125 }
2126
2127 bool wxCairoContext::SetAntialiasMode(wxAntialiasMode antialias)
2128 {
2129     if (m_antialias == antialias)
2130         return true;
2131
2132     m_antialias = antialias;
2133
2134     cairo_antialias_t antialiasMode;
2135     switch (antialias)
2136     {
2137         case wxANTIALIAS_DEFAULT:
2138             antialiasMode = CAIRO_ANTIALIAS_DEFAULT;
2139             break;
2140         case wxANTIALIAS_NONE:
2141             antialiasMode = CAIRO_ANTIALIAS_NONE;
2142             break;
2143         default:
2144             return false;
2145     }
2146     cairo_set_antialias(m_context, antialiasMode);
2147     return true;
2148 }
2149
2150 bool wxCairoContext::SetInterpolationQuality(wxInterpolationQuality WXUNUSED(interpolation))
2151 {
2152     // placeholder
2153     return false;
2154 }
2155
2156 bool wxCairoContext::SetCompositionMode(wxCompositionMode op)
2157 {
2158     if ( m_composition == op )
2159         return true;
2160
2161     m_composition = op;
2162     cairo_operator_t cop;
2163     switch (op)
2164     {
2165         case wxCOMPOSITION_CLEAR:
2166             cop = CAIRO_OPERATOR_CLEAR;
2167             break;
2168         case wxCOMPOSITION_SOURCE:
2169             cop = CAIRO_OPERATOR_SOURCE;
2170             break;
2171         case wxCOMPOSITION_OVER:
2172             cop = CAIRO_OPERATOR_OVER;
2173             break;
2174         case wxCOMPOSITION_IN:
2175             cop = CAIRO_OPERATOR_IN;
2176             break;
2177         case wxCOMPOSITION_OUT:
2178             cop = CAIRO_OPERATOR_OUT;
2179             break;
2180         case wxCOMPOSITION_ATOP:
2181             cop = CAIRO_OPERATOR_ATOP;
2182             break;
2183         case wxCOMPOSITION_DEST:
2184             cop = CAIRO_OPERATOR_DEST;
2185             break;
2186         case wxCOMPOSITION_DEST_OVER:
2187             cop = CAIRO_OPERATOR_DEST_OVER;
2188             break;
2189         case wxCOMPOSITION_DEST_IN:
2190             cop = CAIRO_OPERATOR_DEST_IN;
2191             break;
2192         case wxCOMPOSITION_DEST_OUT:
2193             cop = CAIRO_OPERATOR_DEST_OUT;
2194             break;
2195         case wxCOMPOSITION_DEST_ATOP:
2196             cop = CAIRO_OPERATOR_DEST_ATOP;
2197             break;
2198         case wxCOMPOSITION_XOR:
2199             cop = CAIRO_OPERATOR_XOR;
2200             break;
2201         case wxCOMPOSITION_ADD:
2202             cop = CAIRO_OPERATOR_ADD;
2203             break;
2204         default:
2205             return false;
2206     }
2207     cairo_set_operator(m_context, cop);
2208     return true;
2209 }
2210
2211 void wxCairoContext::BeginLayer(wxDouble opacity)
2212 {
2213     m_layerOpacities.push_back(opacity);
2214     cairo_push_group(m_context);
2215 }
2216
2217 void wxCairoContext::EndLayer()
2218 {
2219     float opacity = m_layerOpacities.back();
2220     m_layerOpacities.pop_back();
2221     cairo_pop_group_to_source(m_context);
2222     cairo_paint_with_alpha(m_context,opacity);
2223 }
2224
2225 //-----------------------------------------------------------------------------
2226 // wxCairoRenderer declaration
2227 //-----------------------------------------------------------------------------
2228
2229 class WXDLLIMPEXP_CORE wxCairoRenderer : public wxGraphicsRenderer
2230 {
2231 public :
2232     wxCairoRenderer() {}
2233
2234     virtual ~wxCairoRenderer() {}
2235
2236     // Context
2237
2238     virtual wxGraphicsContext * CreateContext( const wxWindowDC& dc);
2239     virtual wxGraphicsContext * CreateContext( const wxMemoryDC& dc);
2240     virtual wxGraphicsContext * CreateContext( const wxPrinterDC& dc);
2241
2242     virtual wxGraphicsContext * CreateContextFromNativeContext( void * context );
2243
2244     virtual wxGraphicsContext * CreateContextFromNativeWindow( void * window );
2245 #if wxUSE_IMAGE
2246     virtual wxGraphicsContext * CreateContextFromImage(wxImage& image);
2247 #endif // wxUSE_IMAGE
2248
2249     virtual wxGraphicsContext * CreateContext( wxWindow* window );
2250
2251     virtual wxGraphicsContext * CreateMeasuringContext();
2252 #ifdef __WXMSW__
2253 #if wxUSE_ENH_METAFILE
2254     virtual wxGraphicsContext * CreateContext( const wxEnhMetaFileDC& dc);
2255 #endif
2256 #endif
2257     // Path
2258
2259     virtual wxGraphicsPath CreatePath();
2260
2261     // Matrix
2262
2263     virtual wxGraphicsMatrix CreateMatrix( wxDouble a=1.0, wxDouble b=0.0, wxDouble c=0.0, wxDouble d=1.0,
2264         wxDouble tx=0.0, wxDouble ty=0.0);
2265
2266
2267     virtual wxGraphicsPen CreatePen(const wxPen& pen) ;
2268
2269     virtual wxGraphicsBrush CreateBrush(const wxBrush& brush ) ;
2270
2271     virtual wxGraphicsBrush
2272     CreateLinearGradientBrush(wxDouble x1, wxDouble y1,
2273                               wxDouble x2, wxDouble y2,
2274                               const wxGraphicsGradientStops& stops);
2275
2276     virtual wxGraphicsBrush
2277     CreateRadialGradientBrush(wxDouble xo, wxDouble yo,
2278                               wxDouble xc, wxDouble yc,
2279                               wxDouble radius,
2280                               const wxGraphicsGradientStops& stops);
2281
2282     // sets the font
2283     virtual wxGraphicsFont CreateFont( const wxFont &font , const wxColour &col = *wxBLACK ) ;
2284     virtual wxGraphicsFont CreateFont(double sizeInPixels,
2285                                       const wxString& facename,
2286                                       int flags = wxFONTFLAG_DEFAULT,
2287                                       const wxColour& col = *wxBLACK);
2288
2289     // create a native bitmap representation
2290     virtual wxGraphicsBitmap CreateBitmap( const wxBitmap &bitmap );
2291 #if wxUSE_IMAGE
2292     virtual wxGraphicsBitmap CreateBitmapFromImage(const wxImage& image);
2293 #endif // wxUSE_IMAGE
2294
2295     // create a graphics bitmap from a native bitmap
2296     virtual wxGraphicsBitmap CreateBitmapFromNativeBitmap( void* bitmap );
2297
2298     // create a subimage from a native image representation
2299     virtual wxGraphicsBitmap CreateSubBitmap( const wxGraphicsBitmap &bitmap, wxDouble x, wxDouble y, wxDouble w, wxDouble h  );
2300
2301 protected :
2302     bool EnsureIsLoaded();
2303     void Load();
2304     void Unload();
2305     friend class wxCairoModule;
2306 private :
2307     int m_loaded;
2308     DECLARE_DYNAMIC_CLASS_NO_COPY(wxCairoRenderer)
2309 } ;
2310
2311 //-----------------------------------------------------------------------------
2312 // wxCairoRenderer implementation
2313 //-----------------------------------------------------------------------------
2314
2315 IMPLEMENT_DYNAMIC_CLASS(wxCairoRenderer,wxGraphicsRenderer)
2316
2317 static wxCairoRenderer gs_cairoGraphicsRenderer;
2318 // temporary hack to allow creating a cairo context on any platform
2319 extern wxGraphicsRenderer* gCairoRenderer;
2320 wxGraphicsRenderer* gCairoRenderer = &gs_cairoGraphicsRenderer;
2321
2322 bool wxCairoRenderer::EnsureIsLoaded()
2323 {
2324 #ifndef __WXGTK__
2325     Load();
2326     return wxCairoInit();
2327 #else
2328     return true;
2329 #endif
2330 }
2331
2332 void wxCairoRenderer::Load()
2333 {
2334     wxCairoInit();
2335 }
2336
2337 void wxCairoRenderer::Unload()
2338 {
2339     wxCairoCleanUp();
2340 }
2341
2342 // call EnsureIsLoaded() and return returnOnFail value if it fails
2343 #define ENSURE_LOADED_OR_RETURN(returnOnFail)  \
2344     if ( !EnsureIsLoaded() )                   \
2345         return (returnOnFail)
2346
2347 wxGraphicsContext * wxCairoRenderer::CreateContext( const wxWindowDC& dc)
2348 {
2349     ENSURE_LOADED_OR_RETURN(NULL);
2350     return new wxCairoContext(this,dc);
2351 }
2352
2353 wxGraphicsContext * wxCairoRenderer::CreateContext( const wxMemoryDC& dc)
2354 {
2355     ENSURE_LOADED_OR_RETURN(NULL);
2356     return new wxCairoContext(this,dc);
2357 }
2358
2359 wxGraphicsContext * wxCairoRenderer::CreateContext( const wxPrinterDC& dc)
2360 {
2361     ENSURE_LOADED_OR_RETURN(NULL);
2362 #ifdef __WXGTK20__
2363     const wxDCImpl *impl = dc.GetImpl();
2364     cairo_t* context = (cairo_t*) impl->GetCairoContext();
2365     if (context)
2366        return new wxCairoContext(this,dc);
2367     else
2368 #endif
2369        return new wxCairoContext(this,dc);
2370 }
2371
2372 #ifdef __WXMSW__
2373 #if wxUSE_ENH_METAFILE
2374 wxGraphicsContext * wxCairoRenderer::CreateContext( const wxEnhMetaFileDC& WXUNUSED(dc) )
2375 {
2376     ENSURE_LOADED_OR_RETURN(NULL);
2377     return NULL;
2378 }
2379 #endif
2380 #endif
2381
2382 wxGraphicsContext * wxCairoRenderer::CreateContextFromNativeContext( void * context )
2383 {
2384     ENSURE_LOADED_OR_RETURN(NULL);
2385 #ifdef __WXMSW__
2386     return new wxCairoContext(this,(HDC)context);
2387 #else
2388     return new wxCairoContext(this,(cairo_t*)context);
2389 #endif
2390 }
2391
2392
2393 wxGraphicsContext * wxCairoRenderer::CreateContextFromNativeWindow( void * window )
2394 {
2395     ENSURE_LOADED_OR_RETURN(NULL);
2396 #ifdef __WXGTK__
2397     return new wxCairoContext(this,(GdkDrawable*)window);
2398 #else
2399     wxUnusedVar(window);
2400     return NULL;
2401 #endif
2402 }
2403
2404 #if wxUSE_IMAGE
2405 wxGraphicsContext * wxCairoRenderer::CreateContextFromImage(wxImage& image)
2406 {
2407     return new wxCairoImageContext(this, image);
2408 }
2409 #endif // wxUSE_IMAGE
2410
2411 wxGraphicsContext * wxCairoRenderer::CreateMeasuringContext()
2412 {
2413     ENSURE_LOADED_OR_RETURN(NULL);
2414 #ifdef __WXGTK__
2415     return CreateContextFromNativeWindow(gdk_get_default_root_window());
2416 #endif
2417     return NULL;
2418     // TODO
2419 }
2420
2421 wxGraphicsContext * wxCairoRenderer::CreateContext( wxWindow* window )
2422 {
2423     ENSURE_LOADED_OR_RETURN(NULL);
2424     return new wxCairoContext(this, window );
2425 }
2426
2427 // Path
2428
2429 wxGraphicsPath wxCairoRenderer::CreatePath()
2430 {
2431     ENSURE_LOADED_OR_RETURN(wxNullGraphicsPath);
2432     wxGraphicsPath path;
2433     path.SetRefData( new wxCairoPathData(this) );
2434     return path;
2435 }
2436
2437
2438 // Matrix
2439
2440 wxGraphicsMatrix wxCairoRenderer::CreateMatrix( wxDouble a, wxDouble b, wxDouble c, wxDouble d,
2441                                                 wxDouble tx, wxDouble ty)
2442
2443 {
2444     ENSURE_LOADED_OR_RETURN(wxNullGraphicsMatrix);
2445     wxGraphicsMatrix m;
2446     wxCairoMatrixData* data = new wxCairoMatrixData( this );
2447     data->Set( a,b,c,d,tx,ty ) ;
2448     m.SetRefData(data);
2449     return m;
2450 }
2451
2452 wxGraphicsPen wxCairoRenderer::CreatePen(const wxPen& pen)
2453 {
2454     ENSURE_LOADED_OR_RETURN(wxNullGraphicsPen);
2455     if ( !pen.IsOk() || pen.GetStyle() == wxPENSTYLE_TRANSPARENT )
2456         return wxNullGraphicsPen;
2457     else
2458     {
2459         wxGraphicsPen p;
2460         p.SetRefData(new wxCairoPenData( this, pen ));
2461         return p;
2462     }
2463 }
2464
2465 wxGraphicsBrush wxCairoRenderer::CreateBrush(const wxBrush& brush )
2466 {
2467     ENSURE_LOADED_OR_RETURN(wxNullGraphicsBrush);
2468     if ( !brush.IsOk() || brush.GetStyle() == wxBRUSHSTYLE_TRANSPARENT )
2469         return wxNullGraphicsBrush;
2470     else
2471     {
2472         wxGraphicsBrush p;
2473         p.SetRefData(new wxCairoBrushData( this, brush ));
2474         return p;
2475     }
2476 }
2477
2478 wxGraphicsBrush
2479 wxCairoRenderer::CreateLinearGradientBrush(wxDouble x1, wxDouble y1,
2480                                            wxDouble x2, wxDouble y2,
2481                                            const wxGraphicsGradientStops& stops)
2482 {
2483     ENSURE_LOADED_OR_RETURN(wxNullGraphicsBrush);
2484     wxGraphicsBrush p;
2485     wxCairoBrushData* d = new wxCairoBrushData( this );
2486     d->CreateLinearGradientBrush(x1, y1, x2, y2, stops);
2487     p.SetRefData(d);
2488     return p;
2489 }
2490
2491 wxGraphicsBrush
2492 wxCairoRenderer::CreateRadialGradientBrush(wxDouble xo, wxDouble yo,
2493                                            wxDouble xc, wxDouble yc, wxDouble r,
2494                                            const wxGraphicsGradientStops& stops)
2495 {
2496     ENSURE_LOADED_OR_RETURN(wxNullGraphicsBrush);
2497     wxGraphicsBrush p;
2498     wxCairoBrushData* d = new wxCairoBrushData( this );
2499     d->CreateRadialGradientBrush(xo, yo, xc, yc, r, stops);
2500     p.SetRefData(d);
2501     return p;
2502 }
2503
2504 wxGraphicsFont wxCairoRenderer::CreateFont( const wxFont &font , const wxColour &col )
2505 {
2506     ENSURE_LOADED_OR_RETURN(wxNullGraphicsFont);
2507     if ( font.IsOk() )
2508     {
2509         wxGraphicsFont p;
2510         p.SetRefData(new wxCairoFontData( this , font, col ));
2511         return p;
2512     }
2513     else
2514         return wxNullGraphicsFont;
2515 }
2516
2517 wxGraphicsFont
2518 wxCairoRenderer::CreateFont(double sizeInPixels,
2519                             const wxString& facename,
2520                             int flags,
2521                             const wxColour& col)
2522 {
2523     ENSURE_LOADED_OR_RETURN(wxNullGraphicsFont);
2524
2525     wxGraphicsFont font;
2526     font.SetRefData(new wxCairoFontData(this, sizeInPixels, facename, flags, col));
2527     return font;
2528 }
2529
2530 wxGraphicsBitmap wxCairoRenderer::CreateBitmap( const wxBitmap& bmp )
2531 {
2532     ENSURE_LOADED_OR_RETURN(wxNullGraphicsBitmap);
2533     if ( bmp.IsOk() )
2534     {
2535         wxGraphicsBitmap p;
2536         p.SetRefData(new wxCairoBitmapData( this , bmp ));
2537         return p;
2538     }
2539     else
2540         return wxNullGraphicsBitmap;
2541 }
2542
2543 #if wxUSE_IMAGE
2544
2545 wxGraphicsBitmap wxCairoRenderer::CreateBitmapFromImage(const wxImage& image)
2546 {
2547     wxGraphicsBitmap bmp;
2548
2549     ENSURE_LOADED_OR_RETURN(bmp);
2550
2551     if ( image.IsOk() )
2552     {
2553         bmp.SetRefData(new wxCairoBitmapData(this, image));
2554     }
2555
2556     return bmp;
2557 }
2558
2559 #endif // wxUSE_IMAGE
2560
2561 wxGraphicsBitmap wxCairoRenderer::CreateBitmapFromNativeBitmap( void* bitmap )
2562 {
2563     ENSURE_LOADED_OR_RETURN(wxNullGraphicsBitmap);
2564     if ( bitmap != NULL )
2565     {
2566         wxGraphicsBitmap p;
2567         p.SetRefData(new wxCairoBitmapData( this , (cairo_surface_t*) bitmap ));
2568         return p;
2569     }
2570     else
2571         return wxNullGraphicsBitmap;
2572 }
2573
2574 wxGraphicsBitmap
2575 wxCairoRenderer::CreateSubBitmap(const wxGraphicsBitmap& WXUNUSED(bitmap),
2576                                  wxDouble WXUNUSED(x),
2577                                  wxDouble WXUNUSED(y),
2578                                  wxDouble WXUNUSED(w),
2579                                  wxDouble WXUNUSED(h))
2580 {
2581     ENSURE_LOADED_OR_RETURN(wxNullGraphicsBitmap);
2582     wxFAIL_MSG("wxCairoRenderer::CreateSubBitmap is not implemented.");
2583     return wxNullGraphicsBitmap;
2584 }
2585
2586 wxGraphicsRenderer* wxGraphicsRenderer::GetCairoRenderer()
2587 {
2588     return &gs_cairoGraphicsRenderer;
2589 }
2590
2591 #else // !wxUSE_CAIRO
2592
2593 wxGraphicsRenderer* wxGraphicsRenderer::GetCairoRenderer()
2594 {
2595     return NULL;
2596 }
2597
2598 #endif  // wxUSE_CAIRO/!wxUSE_CAIRO
2599
2600 // MSW and OS X have their own native default renderers, but the other ports
2601 // use Cairo by default
2602 #if !(defined(__WXMSW__) || defined(__WXOSX__))
2603 wxGraphicsRenderer* wxGraphicsRenderer::GetDefaultRenderer()
2604 {
2605     return GetCairoRenderer();
2606 }
2607 #endif // !(__WXMSW__ || __WXOSX__)
2608
2609 #endif // wxUSE_GRAPHICS_CONTEXT