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     bool GetStrikethrough() const { return m_strikethrough; }
 297 #endif
 298 private :
 299     void InitColour(const wxColour& col);
 300     void InitFontComponents(const wxString& facename,
 301                             cairo_font_slant_t slant,
 302                             cairo_font_weight_t weight);
 303
 304     double m_size;
 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     bool m_underlined;
 314     bool m_strikethrough;
 315 #endif
 316
 317     // These members are used when the font is created from its face name and
 318     // flags (and not from wxFont) and also even when creating it from wxFont
 319     // on the platforms not covered above.
 320     //
 321     // Notice that we can't use cairo_font_face_t instead of storing those,
 322     // even though it would be simpler and need less #ifdefs, because
 323     // cairo_toy_font_face_create() that we'd need to create it is only
 324     // available in Cairo 1.8 and we require just 1.2 currently. If we do drop
 325     // support for < 1.8 versions in the future it would be definitely better
 326     // to use cairo_toy_font_face_create() instead.
 327     wxCharBuffer m_fontName;
 328     cairo_font_slant_t m_slant;
 329     cairo_font_weight_t m_weight;
 330 };
 331
 332 class wxCairoBitmapData : public wxGraphicsObjectRefData
 333 {
 334 public:
 335     wxCairoBitmapData( wxGraphicsRenderer* renderer, const wxBitmap& bmp );
 336 #if wxUSE_IMAGE
 337     wxCairoBitmapData(wxGraphicsRenderer* renderer, const wxImage& image);
 338 #endif // wxUSE_IMAGE
 339     wxCairoBitmapData( wxGraphicsRenderer* renderer, cairo_surface_t* bitmap );
 340     ~wxCairoBitmapData();
 341
 342     virtual cairo_surface_t* GetCairoSurface() { return m_surface; }
 343     virtual cairo_pattern_t* GetCairoPattern() { return m_pattern; }
 344     virtual wxSize GetSize() { return wxSize(m_width, m_height); }
 345
 346 #if wxUSE_IMAGE
 347     wxImage ConvertToImage() const;
 348 #endif // wxUSE_IMAGE
 349
 350 private :
 351     // Allocate m_buffer for the bitmap of the given size in the given format.
 352     //
 353     // Returns the stride used for the buffer.
 354     int InitBuffer(int width, int height, cairo_format_t format);
 355
 356     // Really create the surface using the buffer (which was supposed to be
 357     // filled since InitBuffer() call).
 358     void InitSurface(cairo_format_t format, int stride);
 359
 360
 361     cairo_surface_t* m_surface;
 362     cairo_pattern_t* m_pattern;
 363     int m_width;
 364     int m_height;
 365     unsigned char* m_buffer;
 366 };
 367
 368 class WXDLLIMPEXP_CORE wxCairoContext : public wxGraphicsContext
 369 {
 370 public:
 371     wxCairoContext( wxGraphicsRenderer* renderer, const wxWindowDC& dc );
 372     wxCairoContext( wxGraphicsRenderer* renderer, const wxMemoryDC& dc );
 373     wxCairoContext( wxGraphicsRenderer* renderer, const wxPrinterDC& dc );
 374 #ifdef __WXGTK__
 375     wxCairoContext( wxGraphicsRenderer* renderer, GdkDrawable *drawable );
 376 #endif
 377 #ifdef __WXMSW__
 378     wxCairoContext( wxGraphicsRenderer* renderer, HDC context );
 379 #endif
 380     wxCairoContext( wxGraphicsRenderer* renderer, cairo_t *context );
 381     wxCairoContext( wxGraphicsRenderer* renderer, wxWindow *window);
 382
 383     // If this ctor is used, Init() must be called by the derived class later.
 384     wxCairoContext( wxGraphicsRenderer* renderer );
 385
 386     virtual ~wxCairoContext();
 387
 388     virtual bool ShouldOffset() const
 389     {
 390         if ( !m_enableOffset )
 391             return false;
 392
 393         int penwidth = 0 ;
 394         if ( !m_pen.IsNull() )
 395         {
 396             penwidth = (int)((wxCairoPenData*)m_pen.GetRefData())->GetWidth();
 397             if ( penwidth == 0 )
 398                 penwidth = 1;
 399         }
 400         return ( penwidth % 2 ) == 1;
 401     }
 402
 403     virtual void Clip( const wxRegion &region );
 404 #ifdef __WXMSW__
 405     cairo_surface_t* m_mswSurface;
 406 #endif
 407
 408     // clips drawings to the rect
 409     virtual void Clip( wxDouble x, wxDouble y, wxDouble w, wxDouble h );
 410
 411     // resets the clipping to original extent
 412     virtual void ResetClip();
 413
 414     virtual void * GetNativeContext();
 415
 416     virtual bool SetAntialiasMode(wxAntialiasMode antialias);
 417
 418     virtual bool SetInterpolationQuality(wxInterpolationQuality interpolation);
 419
 420     virtual bool SetCompositionMode(wxCompositionMode op);
 421
 422     virtual void BeginLayer(wxDouble opacity);
 423
 424     virtual void EndLayer();
 425
 426     virtual void StrokePath( const wxGraphicsPath& p );
 427     virtual void FillPath( const wxGraphicsPath& p , wxPolygonFillMode fillStyle = wxWINDING_RULE );
 428
 429     virtual void Translate( wxDouble dx , wxDouble dy );
 430     virtual void Scale( wxDouble xScale , wxDouble yScale );
 431     virtual void Rotate( wxDouble angle );
 432
 433     // concatenates this transform with the current transform of this context
 434     virtual void ConcatTransform( const wxGraphicsMatrix& matrix );
 435
 436     // sets the transform of this context
 437     virtual void SetTransform( const wxGraphicsMatrix& matrix );
 438
 439     // gets the matrix of this context
 440     virtual wxGraphicsMatrix GetTransform() const;
 441
 442     virtual void DrawBitmap( const wxGraphicsBitmap &bmp, wxDouble x, wxDouble y, wxDouble w, wxDouble h );
 443     virtual void DrawBitmap( const wxBitmap &bmp, wxDouble x, wxDouble y, wxDouble w, wxDouble h );
 444     virtual void DrawIcon( const wxIcon &icon, wxDouble x, wxDouble y, wxDouble w, wxDouble h );
 445     virtual void PushState();
 446     virtual void PopState();
 447
 448     virtual void GetTextExtent( const wxString &str, wxDouble *width, wxDouble *height,
 449                                 wxDouble *descent, wxDouble *externalLeading ) const;
 450     virtual void GetPartialTextExtents(const wxString& text, wxArrayDouble& widths) const;
 451
 452 protected:
 453     virtual void DoDrawText( const wxString &str, wxDouble x, wxDouble y );
 454
 455     void Init(cairo_t *context);
 456
 457 private:
 458     cairo_t* m_context;
 459
 460     wxVector<float> m_layerOpacities;
 461
 462     wxDECLARE_NO_COPY_CLASS(wxCairoContext);
 463 };
 464
 465 #if wxUSE_IMAGE
 466 // ----------------------------------------------------------------------------
 467 // wxCairoImageContext: context associated with a wxImage.
 468 // ----------------------------------------------------------------------------
 469
 470 class wxCairoImageContext : public wxCairoContext
 471 {
 472 public:
 473     wxCairoImageContext(wxGraphicsRenderer* renderer, wxImage& image) :
 474         wxCairoContext(renderer),
 475         m_image(image),
 476         m_data(renderer, image)
 477     {
 478         Init(cairo_create(m_data.GetCairoSurface()));
 479     }
 480
 481     virtual ~wxCairoImageContext()
 482     {
 483         m_image = m_data.ConvertToImage();
 484     }
 485
 486 private:
 487     wxImage& m_image;
 488     wxCairoBitmapData m_data;
 489
 490     wxDECLARE_NO_COPY_CLASS(wxCairoImageContext);
 491 };
 492 #endif // wxUSE_IMAGE
 493
 494 //-----------------------------------------------------------------------------
 495 // wxCairoPenData implementation
 496 //-----------------------------------------------------------------------------
 497
 498 wxCairoPenData::~wxCairoPenData()
 499 {
 500     delete[] m_userLengths;
 501 }
 502
 503 void wxCairoPenData::Init()
 504 {
 505     m_lengths = NULL;
 506     m_userLengths = NULL;
 507     m_width = 0;
 508     m_count = 0;
 509 }
 510
 511 wxCairoPenData::wxCairoPenData( wxGraphicsRenderer* renderer, const wxPen &pen )
 512 : wxGraphicsObjectRefData(renderer)
 513 {
 514     Init();
 515     m_pen = pen;
 516     m_width = m_pen.GetWidth();
 517     if (m_width <= 0.0)
 518         m_width = 0.1;
 519
 520     m_red = m_pen.GetColour().Red()/255.0;
 521     m_green = m_pen.GetColour().Green()/255.0;
 522     m_blue = m_pen.GetColour().Blue()/255.0;
 523     m_alpha = m_pen.GetColour().Alpha()/255.0;
 524
 525     switch ( m_pen.GetCap() )
 526     {
 527     case wxCAP_ROUND :
 528         m_cap = CAIRO_LINE_CAP_ROUND;
 529         break;
 530
 531     case wxCAP_PROJECTING :
 532         m_cap = CAIRO_LINE_CAP_SQUARE;
 533         break;
 534
 535     case wxCAP_BUTT :
 536         m_cap = CAIRO_LINE_CAP_BUTT;
 537         break;
 538
 539     default :
 540         m_cap = CAIRO_LINE_CAP_BUTT;
 541         break;
 542     }
 543
 544     switch ( m_pen.GetJoin() )
 545     {
 546     case wxJOIN_BEVEL :
 547         m_join = CAIRO_LINE_JOIN_BEVEL;
 548         break;
 549
 550     case wxJOIN_MITER :
 551         m_join = CAIRO_LINE_JOIN_MITER;
 552         break;
 553
 554     case wxJOIN_ROUND :
 555         m_join = CAIRO_LINE_JOIN_ROUND;
 556         break;
 557
 558     default :
 559         m_join = CAIRO_LINE_JOIN_MITER;
 560         break;
 561     }
 562
 563     const double dashUnit = m_width < 1.0 ? 1.0 : m_width;
 564     const double dotted[] =
 565     {
 566         dashUnit , dashUnit + 2.0
 567     };
 568     static const double short_dashed[] =
 569     {
 570         9.0 , 6.0
 571     };
 572     static const double dashed[] =
 573     {
 574         19.0 , 9.0
 575     };
 576     static const double dotted_dashed[] =
 577     {
 578         9.0 , 6.0 , 3.0 , 3.0
 579     };
 580
 581     switch ( m_pen.GetStyle() )
 582     {
 583     case wxPENSTYLE_SOLID :
 584         break;
 585
 586     case wxPENSTYLE_DOT :
 587         m_count = WXSIZEOF(dotted);
 588         m_userLengths = new double[ m_count ] ;
 589         memcpy( m_userLengths, dotted, sizeof(dotted) );
 590         m_lengths = m_userLengths;
 591         break;
 592
 593     case wxPENSTYLE_LONG_DASH :
 594         m_lengths = dashed ;
 595         m_count = WXSIZEOF(dashed);
 596         break;
 597
 598     case wxPENSTYLE_SHORT_DASH :
 599         m_lengths = short_dashed ;
 600         m_count = WXSIZEOF(short_dashed);
 601         break;
 602
 603     case wxPENSTYLE_DOT_DASH :
 604         m_lengths = dotted_dashed ;
 605         m_count = WXSIZEOF(dotted_dashed);
 606         break;
 607
 608     case wxPENSTYLE_USER_DASH :
 609         {
 610             wxDash *wxdashes ;
 611             m_count = m_pen.GetDashes( &wxdashes ) ;
 612             if ((wxdashes != NULL) && (m_count > 0))
 613             {
 614                 m_userLengths = new double[m_count] ;
 615                 for ( int i = 0 ; i < m_count ; ++i )
 616                 {
 617                     m_userLengths[i] = wxdashes[i] * dashUnit ;
 618
 619                     if ( i % 2 == 1 && m_userLengths[i] < dashUnit + 2.0 )
 620                         m_userLengths[i] = dashUnit + 2.0 ;
 621                     else if ( i % 2 == 0 && m_userLengths[i] < dashUnit )
 622                         m_userLengths[i] = dashUnit ;
 623                 }
 624             }
 625             m_lengths = m_userLengths ;
 626         }
 627         break;
 628     case wxPENSTYLE_STIPPLE :
 629         {
 630             /*
 631             wxBitmap* bmp = pen.GetStipple();
 632             if ( bmp && bmp->IsOk() )
 633             {
 634             wxDELETE( m_penImage );
 635             wxDELETE( m_penBrush );
 636             m_penImage = Bitmap::FromHBITMAP((HBITMAP)bmp->GetHBITMAP(),(HPALETTE)bmp->GetPalette()->GetHPALETTE());
 637             m_penBrush = new TextureBrush(m_penImage);
 638             m_pen->SetBrush( m_penBrush );
 639             }
 640             */
 641         }
 642         break;
 643     default :
 644         if ( m_pen.GetStyle() >= wxPENSTYLE_FIRST_HATCH
 645             && m_pen.GetStyle() <= wxPENSTYLE_LAST_HATCH )
 646         {
 647             /*
 648             wxDELETE( m_penBrush );
 649             HatchStyle style = HatchStyleHorizontal;
 650             switch( pen.GetStyle() )
 651             {
 652             case wxPENSTYLE_BDIAGONAL_HATCH :
 653             style = HatchStyleBackwardDiagonal;
 654             break ;
 655             case wxPENSTYLE_CROSSDIAG_HATCH :
 656             style = HatchStyleDiagonalCross;
 657             break ;
 658             case wxPENSTYLE_FDIAGONAL_HATCH :
 659             style = HatchStyleForwardDiagonal;
 660             break ;
 661             case wxPENSTYLE_CROSS_HATCH :
 662             style = HatchStyleCross;
 663             break ;
 664             case wxPENSTYLE_HORIZONTAL_HATCH :
 665             style = HatchStyleHorizontal;
 666             break ;
 667             case wxPENSTYLE_VERTICAL_HATCH :
 668             style = HatchStyleVertical;
 669             break ;
 670
 671             }
 672             m_penBrush = new HatchBrush(style,Color( pen.GetColour().Alpha() , pen.GetColour().Red() ,
 673             pen.GetColour().Green() , pen.GetColour().Blue() ), Color.Transparent );
 674             m_pen->SetBrush( m_penBrush )
 675             */
 676         }
 677         break;
 678     }
 679 }
 680
 681 void wxCairoPenData::Apply( wxGraphicsContext* context )
 682 {
 683     cairo_t * ctext = (cairo_t*) context->GetNativeContext();
 684     cairo_set_line_width(ctext,m_width);
 685     cairo_set_source_rgba(ctext,m_red,m_green, m_blue,m_alpha);
 686     cairo_set_line_cap(ctext,m_cap);
 687     cairo_set_line_join(ctext,m_join);
 688     cairo_set_dash(ctext,(double*)m_lengths,m_count,0.0);
 689 }
 690
 691 //-----------------------------------------------------------------------------
 692 // wxCairoBrushData implementation
 693 //-----------------------------------------------------------------------------
 694
 695 wxCairoBrushData::wxCairoBrushData( wxGraphicsRenderer* renderer )
 696   : wxGraphicsObjectRefData( renderer )
 697 {
 698     Init();
 699 }
 700
 701 wxCairoBrushData::wxCairoBrushData( wxGraphicsRenderer* renderer, const wxBrush &brush )
 702   : wxGraphicsObjectRefData(renderer)
 703 {
 704     Init();
 705
 706     m_red = brush.GetColour().Red()/255.0;
 707     m_green = brush.GetColour().Green()/255.0;
 708     m_blue = brush.GetColour().Blue()/255.0;
 709     m_alpha = brush.GetColour().Alpha()/255.0;
 710     /*
 711     if ( brush.GetStyle() == wxBRUSHSTYLE_SOLID)
 712     {
 713     m_brush = new SolidBrush( Color( brush.GetColour().Alpha() , brush.GetColour().Red() ,
 714     brush.GetColour().Green() , brush.GetColour().Blue() ) );
 715     }
 716     else if ( brush.IsHatch() )
 717     {
 718     HatchStyle style = HatchStyleHorizontal;
 719     switch( brush.GetStyle() )
 720     {
 721     case wxBRUSHSTYLE_BDIAGONAL_HATCH :
 722     style = HatchStyleBackwardDiagonal;
 723     break ;
 724     case wxBRUSHSTYLE_CROSSDIAG_HATCH :
 725     style = HatchStyleDiagonalCross;
 726     break ;
 727     case wxBRUSHSTYLE_FDIAGONAL_HATCH :
 728     style = HatchStyleForwardDiagonal;
 729     break ;
 730     case wxBRUSHSTYLE_CROSS_HATCH :
 731     style = HatchStyleCross;
 732     break ;
 733     case wxBRUSHSTYLE_HORIZONTAL_HATCH :
 734     style = HatchStyleHorizontal;
 735     break ;
 736     case wxBRUSHSTYLE_VERTICAL_HATCH :
 737     style = HatchStyleVertical;
 738     break ;
 739
 740     }
 741     m_brush = new HatchBrush(style,Color( brush.GetColour().Alpha() , brush.GetColour().Red() ,
 742     brush.GetColour().Green() , brush.GetColour().Blue() ), Color.Transparent );
 743     }
 744     else
 745     {
 746     wxBitmap* bmp = brush.GetStipple();
 747     if ( bmp && bmp->IsOk() )
 748     {
 749     wxDELETE( m_brushImage );
 750     m_brushImage = Bitmap::FromHBITMAP((HBITMAP)bmp->GetHBITMAP(),(HPALETTE)bmp->GetPalette()->GetHPALETTE());
 751     m_brush = new TextureBrush(m_brushImage);
 752     }
 753     }
 754     */
 755 }
 756
 757 wxCairoBrushData::~wxCairoBrushData ()
 758 {
 759     if (m_brushPattern)
 760         cairo_pattern_destroy(m_brushPattern);
 761 }
 762
 763 void wxCairoBrushData::Apply( wxGraphicsContext* context )
 764 {
 765     cairo_t * ctext = (cairo_t*) context->GetNativeContext();
 766     if ( m_brushPattern )
 767     {
 768         cairo_set_source(ctext,m_brushPattern);
 769     }
 770     else
 771     {
 772         cairo_set_source_rgba(ctext,m_red,m_green, m_blue,m_alpha);
 773     }
 774 }
 775
 776 void wxCairoBrushData::AddGradientStops(const wxGraphicsGradientStops& stops)
 777 {
 778     // loop over all the stops, they include the beginning and ending ones
 779     const unsigned numStops = stops.GetCount();
 780     for ( unsigned n = 0; n < numStops; n++ )
 781     {
 782         const wxGraphicsGradientStop stop = stops.Item(n);
 783
 784         const wxColour col = stop.GetColour();
 785
 786         cairo_pattern_add_color_stop_rgba
 787         (
 788             m_brushPattern,
 789             stop.GetPosition(),
 790             col.Red()/255.0,
 791             col.Green()/255.0,
 792             col.Blue()/255.0,
 793             col.Alpha()/255.0
 794         );
 795     }
 796
 797     wxASSERT_MSG(cairo_pattern_status(m_brushPattern) == CAIRO_STATUS_SUCCESS,
 798                  wxT("Couldn't create cairo pattern"));
 799 }
 800
 801 void
 802 wxCairoBrushData::CreateLinearGradientBrush(wxDouble x1, wxDouble y1,
 803                                             wxDouble x2, wxDouble y2,
 804                                             const wxGraphicsGradientStops& stops)
 805 {
 806     m_brushPattern = cairo_pattern_create_linear(x1,y1,x2,y2);
 807
 808     AddGradientStops(stops);
 809 }
 810
 811 void
 812 wxCairoBrushData::CreateRadialGradientBrush(wxDouble xo, wxDouble yo,
 813                                             wxDouble xc, wxDouble yc,
 814                                             wxDouble radius,
 815                                             const wxGraphicsGradientStops& stops)
 816 {
 817     m_brushPattern = cairo_pattern_create_radial(xo,yo,0.0,xc,yc,radius);
 818
 819     AddGradientStops(stops);
 820 }
 821
 822 void wxCairoBrushData::Init()
 823 {
 824     m_brushPattern = NULL;
 825 }
 826
 827 //-----------------------------------------------------------------------------
 828 // wxCairoFontData implementation
 829 //-----------------------------------------------------------------------------
 830
 831 void wxCairoFontData::InitColour(const wxColour& col)
 832 {
 833     m_red = col.Red()/255.0;
 834     m_green = col.Green()/255.0;
 835     m_blue = col.Blue()/255.0;
 836     m_alpha = col.Alpha()/255.0;
 837 }
 838
 839 void
 840 wxCairoFontData::InitFontComponents(const wxString& facename,
 841                                     cairo_font_slant_t slant,
 842                                     cairo_font_weight_t weight)
 843 {
 844     m_fontName = facename.mb_str(wxConvUTF8);
 845     m_slant = slant;
 846     m_weight = weight;
 847 }
 848
 849 wxCairoFontData::wxCairoFontData( wxGraphicsRenderer* renderer, const wxFont &font,
 850                          const wxColour& col ) : wxGraphicsObjectRefData(renderer)
 851 {
 852     InitColour(col);
 853
 854     m_size = font.GetPointSize();
 855
 856 #ifdef __WXMAC__
 857     m_font = cairo_quartz_font_face_create_for_cgfont( font.OSXGetCGFont() );
 858 #elif defined(__WXGTK__)
 859     m_font = pango_font_description_copy( font.GetNativeFontInfo()->description );
 860     m_underlined = font.GetUnderlined();
 861     m_strikethrough = font.GetStrikethrough();
 862 #else
 863     InitFontComponents
 864     (
 865         font.GetFaceName(),
 866         font.GetStyle() == wxFONTSTYLE_ITALIC ? CAIRO_FONT_SLANT_ITALIC
 867                                               : CAIRO_FONT_SLANT_NORMAL,
 868         font.GetWeight() == wxFONTWEIGHT_BOLD ? CAIRO_FONT_WEIGHT_BOLD
 869                                               : CAIRO_FONT_WEIGHT_NORMAL
 870     );
 871 #endif
 872 }
 873
 874 wxCairoFontData::wxCairoFontData(wxGraphicsRenderer* renderer,
 875                                  double sizeInPixels,
 876                                  const wxString& facename,
 877                                  int flags,
 878                                  const wxColour& col) :
 879     wxGraphicsObjectRefData(renderer)
 880 {
 881     InitColour(col);
 882
 883     // Resolution for Cairo image surfaces is 72 DPI meaning that the sizes in
 884     // points and pixels are identical, so we can just pass the size in pixels
 885     // directly to cairo_set_font_size().
 886     m_size = sizeInPixels;
 887
 888 #if defined(__WXGTK__) || defined(__WXMAC__)
 889     m_font = NULL;
 890 #endif
 891
 892     // There is no need to set m_underlined under wxGTK in this case, it can
 893     // only be used if m_font != NULL.
 894
 895     InitFontComponents
 896     (
 897         facename,
 898         flags & wxFONTFLAG_ITALIC ? CAIRO_FONT_SLANT_ITALIC
 899                                   : CAIRO_FONT_SLANT_NORMAL,
 900         flags & wxFONTFLAG_BOLD ? CAIRO_FONT_WEIGHT_BOLD
 901                                 : CAIRO_FONT_WEIGHT_NORMAL
 902     );
 903 }
 904
 905 wxCairoFontData::~wxCairoFontData()
 906 {
 907 #ifdef __WXMAC__
 908     if ( m_font )
 909         cairo_font_face_destroy( m_font );
 910 #elif defined(__WXGTK__)
 911     if ( m_font )
 912         pango_font_description_free( m_font );
 913 #else
 914 #endif
 915 }
 916
 917 bool wxCairoFontData::Apply( wxGraphicsContext* context )
 918 {
 919     cairo_t * ctext = (cairo_t*) context->GetNativeContext();
 920     cairo_set_source_rgba(ctext,m_red,m_green, m_blue,m_alpha);
 921 #ifdef __WXGTK__
 922     if ( m_font )
 923     {
 924         // Nothing to do, the caller uses Pango layout functions to do
 925         // everything.
 926         return true;
 927     }
 928 #elif defined(__WXMAC__)
 929     if ( m_font )
 930     {
 931         cairo_set_font_face(ctext, m_font);
 932         cairo_set_font_size(ctext, m_size );
 933         return true;
 934     }
 935 #endif
 936
 937     // If we get here, we must be on a platform without native font support or
 938     // we're using toy Cairo API even under wxGTK/wxMac.
 939     cairo_select_font_face(ctext, m_fontName, m_slant, m_weight );
 940     cairo_set_font_size(ctext, m_size );
 941
 942     // Indicate that we don't use native fonts for the platforms which care
 943     // about this (currently only wxGTK).
 944     return false;
 945 }
 946
 947 //-----------------------------------------------------------------------------
 948 // wxCairoPathData implementation
 949 //-----------------------------------------------------------------------------
 950
 951 wxCairoPathData::wxCairoPathData( wxGraphicsRenderer* renderer, cairo_t* pathcontext)
 952     : wxGraphicsPathData(renderer)
 953 {
 954     if (pathcontext)
 955     {
 956         m_pathContext = pathcontext;
 957     }
 958     else
 959     {
 960         cairo_surface_t* surface = cairo_image_surface_create(CAIRO_FORMAT_ARGB32,1,1);
 961         m_pathContext = cairo_create(surface);
 962         cairo_surface_destroy (surface);
 963     }
 964 }
 965
 966 wxCairoPathData::~wxCairoPathData()
 967 {
 968     cairo_destroy(m_pathContext);
 969 }
 970
 971 wxGraphicsObjectRefData *wxCairoPathData::Clone() const
 972 {
 973     cairo_surface_t* surface = cairo_image_surface_create(CAIRO_FORMAT_ARGB32,1,1);
 974     cairo_t* pathcontext = cairo_create(surface);
 975     cairo_surface_destroy (surface);
 976
 977     cairo_path_t* path = cairo_copy_path(m_pathContext);
 978     cairo_append_path(pathcontext, path);
 979     cairo_path_destroy(path);
 980     return new wxCairoPathData( GetRenderer() ,pathcontext);
 981 }
 982
 983
 984 void* wxCairoPathData::GetNativePath() const
 985 {
 986     return cairo_copy_path(m_pathContext) ;
 987 }
 988
 989 void wxCairoPathData::UnGetNativePath(void *p) const
 990 {
 991     cairo_path_destroy((cairo_path_t*)p);
 992 }
 993
 994 //
 995 // The Primitives
 996 //
 997
 998 void wxCairoPathData::MoveToPoint( wxDouble x , wxDouble y )
 999 {
1000     cairo_move_to(m_pathContext,x,y);
1001 }
1002
1003 void wxCairoPathData::AddLineToPoint( wxDouble x , wxDouble y )
1004 {
1005     cairo_line_to(m_pathContext,x,y);
1006 }
1007
1008 void wxCairoPathData::AddPath( const wxGraphicsPathData* path )
1009 {
1010     cairo_path_t* p = (cairo_path_t*)path->GetNativePath();
1011     cairo_append_path(m_pathContext, p);
1012     UnGetNativePath(p);
1013 }
1014
1015 void wxCairoPathData::CloseSubpath()
1016 {
1017     cairo_close_path(m_pathContext);
1018 }
1019
1020 void wxCairoPathData::AddCurveToPoint( wxDouble cx1, wxDouble cy1, wxDouble cx2, wxDouble cy2, wxDouble x, wxDouble y )
1021 {
1022     cairo_curve_to(m_pathContext,cx1,cy1,cx2,cy2,x,y);
1023 }
1024
1025 // gets the last point of the current path, (0,0) if not yet set
1026 void wxCairoPathData::GetCurrentPoint( wxDouble* x, wxDouble* y) const
1027 {
1028     double dx,dy;
1029     cairo_get_current_point(m_pathContext,&dx,&dy);
1030     if (x)
1031         *x = dx;
1032     if (y)
1033         *y = dy;
1034 }
1035
1036 void wxCairoPathData::AddArc( wxDouble x, wxDouble y, wxDouble r, double startAngle, double endAngle, bool clockwise )
1037 {
1038     // as clockwise means positive in our system (y pointing downwards)
1039     // TODO make this interpretation dependent of the
1040     // real device trans
1041     if ( clockwise||(endAngle-startAngle)>=2*M_PI)
1042         cairo_arc(m_pathContext,x,y,r,startAngle,endAngle);
1043     else
1044         cairo_arc_negative(m_pathContext,x,y,r,startAngle,endAngle);
1045 }
1046
1047 // transforms each point of this path by the matrix
1048 void wxCairoPathData::Transform( const wxGraphicsMatrixData* matrix )
1049 {
1050     // as we don't have a true path object, we have to apply the inverse
1051     // matrix to the context
1052     cairo_matrix_t m = *((cairo_matrix_t*) matrix->GetNativeMatrix());
1053     cairo_matrix_invert( &m );
1054     cairo_transform(m_pathContext,&m);
1055 }
1056
1057 // gets the bounding box enclosing all points (possibly including control points)
1058 void wxCairoPathData::GetBox(wxDouble *x, wxDouble *y, wxDouble *w, wxDouble *h) const
1059 {
1060     double x1,y1,x2,y2;
1061
1062     cairo_stroke_extents( m_pathContext, &x1, &y1, &x2, &y2 );
1063     if ( x2 < x1 )
1064     {
1065         *x = x2;
1066         *w = x1-x2;
1067     }
1068     else
1069     {
1070         *x = x1;
1071         *w = x2-x1;
1072     }
1073
1074     if( y2 < y1 )
1075     {
1076         *y = y2;
1077         *h = y1-y2;
1078     }
1079     else
1080     {
1081         *y = y1;
1082         *h = y2-y1;
1083     }
1084 }
1085
1086 bool wxCairoPathData::Contains( wxDouble x, wxDouble y, wxPolygonFillMode fillStyle ) const
1087 {
1088     cairo_set_fill_rule(m_pathContext,fillStyle==wxODDEVEN_RULE ? CAIRO_FILL_RULE_EVEN_ODD : CAIRO_FILL_RULE_WINDING);
1089     return cairo_in_fill( m_pathContext, x, y) != 0;
1090 }
1091
1092 //-----------------------------------------------------------------------------
1093 // wxCairoMatrixData implementation
1094 //-----------------------------------------------------------------------------
1095
1096 wxCairoMatrixData::wxCairoMatrixData(wxGraphicsRenderer* renderer, const cairo_matrix_t* matrix )
1097     : wxGraphicsMatrixData(renderer)
1098 {
1099     if ( matrix )
1100         m_matrix = *matrix;
1101 }
1102
1103 wxCairoMatrixData::~wxCairoMatrixData()
1104 {
1105     // nothing to do
1106 }
1107
1108 wxGraphicsObjectRefData *wxCairoMatrixData::Clone() const
1109 {
1110     return new wxCairoMatrixData(GetRenderer(),&m_matrix);
1111 }
1112
1113 // concatenates the matrix
1114 void wxCairoMatrixData::Concat( const wxGraphicsMatrixData *t )
1115 {
1116     cairo_matrix_multiply( &m_matrix, &m_matrix, (cairo_matrix_t*) t->GetNativeMatrix());
1117 }
1118
1119 // sets the matrix to the respective values
1120 void wxCairoMatrixData::Set(wxDouble a, wxDouble b, wxDouble c, wxDouble d,
1121                         wxDouble tx, wxDouble ty)
1122 {
1123     cairo_matrix_init( &m_matrix, a, b, c, d, tx, ty);
1124 }
1125
1126 // gets the component valuess of the matrix
1127 void wxCairoMatrixData::Get(wxDouble* a, wxDouble* b,  wxDouble* c,
1128                             wxDouble* d, wxDouble* tx, wxDouble* ty) const
1129 {
1130     if (a)  *a = m_matrix.xx;
1131     if (b)  *b = m_matrix.yx;
1132     if (c)  *c = m_matrix.xy;
1133     if (d)  *d = m_matrix.yy;
1134     if (tx) *tx= m_matrix.x0;
1135     if (ty) *ty= m_matrix.y0;
1136 }
1137
1138 // makes this the inverse matrix
1139 void wxCairoMatrixData::Invert()
1140 {
1141     cairo_matrix_invert( &m_matrix );
1142 }
1143
1144 // returns true if the elements of the transformation matrix are equal ?
1145 bool wxCairoMatrixData::IsEqual( const wxGraphicsMatrixData* t) const
1146 {
1147     const cairo_matrix_t* tm = (cairo_matrix_t*) t->GetNativeMatrix();
1148     return (
1149         m_matrix.xx == tm->xx &&
1150         m_matrix.yx == tm->yx &&
1151         m_matrix.xy == tm->xy &&
1152         m_matrix.yy == tm->yy &&
1153         m_matrix.x0 == tm->x0 &&
1154         m_matrix.y0 == tm->y0 ) ;
1155 }
1156
1157 // return true if this is the identity matrix
1158 bool wxCairoMatrixData::IsIdentity() const
1159 {
1160     return ( m_matrix.xx == 1 && m_matrix.yy == 1 &&
1161         m_matrix.yx == 0 && m_matrix.xy == 0 && m_matrix.x0 == 0 && m_matrix.y0 == 0);
1162 }
1163
1164 //
1165 // transformation
1166 //
1167
1168 // add the translation to this matrix
1169 void wxCairoMatrixData::Translate( wxDouble dx , wxDouble dy )
1170 {
1171     cairo_matrix_translate( &m_matrix, dx, dy) ;
1172 }
1173
1174 // add the scale to this matrix
1175 void wxCairoMatrixData::Scale( wxDouble xScale , wxDouble yScale )
1176 {
1177     cairo_matrix_scale( &m_matrix, xScale, yScale) ;
1178 }
1179
1180 // add the rotation to this matrix (radians)
1181 void wxCairoMatrixData::Rotate( wxDouble angle )
1182 {
1183     cairo_matrix_rotate( &m_matrix, angle) ;
1184 }
1185
1186 //
1187 // apply the transforms
1188 //
1189
1190 // applies that matrix to the point
1191 void wxCairoMatrixData::TransformPoint( wxDouble *x, wxDouble *y ) const
1192 {
1193     double lx = *x, ly = *y ;
1194     cairo_matrix_transform_point( &m_matrix, &lx, &ly);
1195     *x = lx;
1196     *y = ly;
1197 }
1198
1199 // applies the matrix except for translations
1200 void wxCairoMatrixData::TransformDistance( wxDouble *dx, wxDouble *dy ) const
1201 {
1202     double lx = *dx, ly = *dy ;
1203     cairo_matrix_transform_distance( &m_matrix, &lx, &ly);
1204     *dx = lx;
1205     *dy = ly;
1206 }
1207
1208 // returns the native representation
1209 void * wxCairoMatrixData::GetNativeMatrix() const
1210 {
1211     return (void*) &m_matrix;
1212 }
1213
1214 // ----------------------------------------------------------------------------
1215 // wxCairoBitmap implementation
1216 // ----------------------------------------------------------------------------
1217
1218 int wxCairoBitmapData::InitBuffer(int width, int height, cairo_format_t format)
1219 {
1220     wxUnusedVar(format); // Only really unused with Cairo < 1.6.
1221
1222     // Determine the stride: use cairo_format_stride_for_width() if available
1223     // but fall back to 4*width for the earlier versions as this is what that
1224     // function always returns, even in latest Cairo, anyhow.
1225     int stride;
1226 #if CAIRO_VERSION >= CAIRO_VERSION_ENCODE(1, 6, 0)
1227     if ( cairo_version() >= CAIRO_VERSION_ENCODE(1, 6, 0) )
1228     {
1229         stride = cairo_format_stride_for_width(format, width);
1230
1231         // All our code would totally break if stride were not a multiple of 4
1232         // so ensure this is the case.
1233         if ( stride % 4 )
1234         {
1235             wxFAIL_MSG("Unexpected Cairo image surface stride.");
1236
1237             stride += 4 - stride % 4;
1238         }
1239     }
1240     else
1241 #endif
1242         stride = 4*width;
1243
1244     m_width = width;
1245     m_height = height;
1246     m_buffer = new unsigned char[height*stride];
1247
1248     return stride;
1249 }
1250
1251 void wxCairoBitmapData::InitSurface(cairo_format_t format, int stride)
1252 {
1253     m_surface = cairo_image_surface_create_for_data(
1254                             m_buffer, format, m_width, m_height, stride);
1255     m_pattern = cairo_pattern_create_for_surface(m_surface);
1256 }
1257
1258 wxCairoBitmapData::wxCairoBitmapData( wxGraphicsRenderer* renderer, cairo_surface_t* bitmap ) :
1259     wxGraphicsObjectRefData( renderer )
1260 {
1261     m_surface = bitmap;
1262     m_pattern = cairo_pattern_create_for_surface(m_surface);
1263 }
1264
1265 wxCairoBitmapData::wxCairoBitmapData( wxGraphicsRenderer* renderer, const wxBitmap& bmp ) : wxGraphicsObjectRefData( renderer )
1266 {
1267     wxCHECK_RET( bmp.IsOk(), wxT("Invalid bitmap in wxCairoContext::DrawBitmap"));
1268
1269 #ifdef wxHAS_RAW_BITMAP
1270     // Create a surface object and copy the bitmap pixel data to it.  if the
1271     // image has alpha (or a mask represented as alpha) then we'll use a
1272     // different format and iterator than if it doesn't...
1273     cairo_format_t bufferFormat = bmp.GetDepth() == 32
1274 #ifdef __WXGTK__
1275                                             || bmp.GetMask()
1276 #endif
1277                                         ? CAIRO_FORMAT_ARGB32
1278                                         : CAIRO_FORMAT_RGB24;
1279
1280     int stride = InitBuffer(bmp.GetWidth(), bmp.GetHeight(), bufferFormat);
1281
1282     wxBitmap bmpSource = bmp;  // we need a non-const instance
1283     wxUint32* data = (wxUint32*)m_buffer;
1284
1285     if ( bufferFormat == CAIRO_FORMAT_ARGB32 )
1286     {
1287         // use the bitmap's alpha
1288         wxAlphaPixelData
1289             pixData(bmpSource, wxPoint(0, 0), wxSize(m_width, m_height));
1290         wxCHECK_RET( pixData, wxT("Failed to gain raw access to bitmap data."));
1291
1292         wxAlphaPixelData::Iterator p(pixData);
1293         for (int y=0; y<m_height; y++)
1294         {
1295             wxAlphaPixelData::Iterator rowStart = p;
1296             wxUint32* const rowStartDst = data;
1297             for (int x=0; x<m_width; x++)
1298             {
1299                 // Each pixel in CAIRO_FORMAT_ARGB32 is a 32-bit quantity,
1300                 // with alpha in the upper 8 bits, then red, then green, then
1301                 // blue. The 32-bit quantities are stored native-endian.
1302                 // Pre-multiplied alpha is used.
1303                 unsigned char alpha = p.Alpha();
1304                 if (alpha == 0)
1305                     *data = 0;
1306                 else
1307                     *data = ( alpha                      << 24
1308                               | (p.Red() * alpha/255)    << 16
1309                               | (p.Green() * alpha/255)  <<  8
1310                               | (p.Blue() * alpha/255) );
1311                 ++data;
1312                 ++p;
1313             }
1314
1315             data = rowStartDst + stride / 4;
1316             p = rowStart;
1317             p.OffsetY(pixData, 1);
1318         }
1319     }
1320     else  // no alpha
1321     {
1322         wxNativePixelData
1323             pixData(bmpSource, wxPoint(0, 0), wxSize(m_width, m_height));
1324         wxCHECK_RET( pixData, wxT("Failed to gain raw access to bitmap data."));
1325
1326         wxNativePixelData::Iterator p(pixData);
1327         for (int y=0; y<m_height; y++)
1328         {
1329             wxNativePixelData::Iterator rowStart = p;
1330             wxUint32* const rowStartDst = data;
1331             for (int x=0; x<m_width; x++)
1332             {
1333                 // Each pixel in CAIRO_FORMAT_RGB24 is a 32-bit quantity, with
1334                 // the upper 8 bits unused. Red, Green, and Blue are stored in
1335                 // the remaining 24 bits in that order.  The 32-bit quantities
1336                 // are stored native-endian.
1337                 *data = ( p.Red() << 16 | p.Green() << 8 | p.Blue() );
1338                 ++data;
1339                 ++p;
1340             }
1341
1342             data = rowStartDst + stride / 4;
1343             p = rowStart;
1344             p.OffsetY(pixData, 1);
1345         }
1346     }
1347 #ifdef __WXMSW__
1348     // if there is a mask, set the alpha bytes in the target buffer to
1349     // fully transparent or fully opaque
1350     if (bmpSource.GetMask())
1351     {
1352         wxBitmap bmpMask = bmpSource.GetMaskBitmap();
1353         bufferFormat = CAIRO_FORMAT_ARGB32;
1354         data = (wxUint32*)m_buffer;
1355         wxNativePixelData
1356             pixData(bmpMask, wxPoint(0, 0), wxSize(m_width, m_height));
1357         wxCHECK_RET( pixData, wxT("Failed to gain raw access to mask data."));
1358
1359         wxNativePixelData::Iterator p(pixData);
1360         for (int y=0; y<m_height; y++)
1361         {
1362             wxNativePixelData::Iterator rowStart = p;
1363             wxUint32* const rowStartDst = data;
1364             for (int x=0; x<m_width; x++)
1365             {
1366                 if (p.Red()+p.Green()+p.Blue() == 0)
1367                     *data = 0;
1368                 else
1369                     *data = (wxALPHA_OPAQUE << 24) | (*data & 0x00FFFFFF);
1370                 ++data;
1371                 ++p;
1372             }
1373
1374             data = rowStartDst + stride / 4;
1375             p = rowStart;
1376             p.OffsetY(pixData, 1);
1377         }
1378     }
1379 #endif
1380
1381     InitSurface(bufferFormat, stride);
1382 #endif // wxHAS_RAW_BITMAP
1383 }
1384
1385 #if wxUSE_IMAGE
1386
1387 // Helper functions for dealing with alpha pre-multiplication.
1388 namespace
1389 {
1390
1391 inline unsigned char Premultiply(unsigned char alpha, unsigned char data)
1392 {
1393     return alpha ? (data * alpha)/0xff : data;
1394 }
1395
1396 inline unsigned char Unpremultiply(unsigned char alpha, unsigned char data)
1397 {
1398     return alpha ? (data * 0xff)/alpha : data;
1399 }
1400
1401 } // anonymous namespace
1402
1403 wxCairoBitmapData::wxCairoBitmapData(wxGraphicsRenderer* renderer,
1404                                      const wxImage& image)
1405     : wxGraphicsObjectRefData(renderer)
1406 {
1407     const cairo_format_t bufferFormat = image.HasAlpha()
1408                                             ? CAIRO_FORMAT_ARGB32
1409                                             : CAIRO_FORMAT_RGB24;
1410
1411     int stride = InitBuffer(image.GetWidth(), image.GetHeight(), bufferFormat);
1412
1413     // Copy wxImage data into the buffer. Notice that we work with wxUint32
1414     // values and not bytes becase Cairo always works with buffers in native
1415     // endianness.
1416     wxUint32* dst = reinterpret_cast<wxUint32*>(m_buffer);
1417     const unsigned char* src = image.GetData();
1418
1419     if ( bufferFormat == CAIRO_FORMAT_ARGB32 )
1420     {
1421         const unsigned char* alpha = image.GetAlpha();
1422
1423         for ( int y = 0; y < m_height; y++ )
1424         {
1425             wxUint32* const rowStartDst = dst;
1426
1427             for ( int x = 0; x < m_width; x++ )
1428             {
1429                 const unsigned char a = *alpha++;
1430
1431                 *dst++ = a                      << 24 |
1432                          Premultiply(a, src[0]) << 16 |
1433                          Premultiply(a, src[1]) <<  8 |
1434                          Premultiply(a, src[2]);
1435                 src += 3;
1436             }
1437
1438             dst = rowStartDst + stride / 4;
1439         }
1440     }
1441     else // RGB
1442     {
1443         for ( int y = 0; y < m_height; y++ )
1444         {
1445             wxUint32* const rowStartDst = dst;
1446
1447             for ( int x = 0; x < m_width; x++ )
1448             {
1449                 *dst++ = src[0] << 16 |
1450                          src[1] <<  8 |
1451                          src[2];
1452                 src += 3;
1453             }
1454
1455             dst = rowStartDst + stride / 4;
1456         }
1457     }
1458
1459     InitSurface(bufferFormat, stride);
1460 }
1461
1462 wxImage wxCairoBitmapData::ConvertToImage() const
1463 {
1464     wxImage image(m_width, m_height, false /* don't clear */);
1465
1466     // Get the surface type and format.
1467     wxCHECK_MSG( cairo_surface_get_type(m_surface) == CAIRO_SURFACE_TYPE_IMAGE,
1468                  wxNullImage,
1469                  wxS("Can't convert non-image surface to image.") );
1470
1471     switch ( cairo_image_surface_get_format(m_surface) )
1472     {
1473         case CAIRO_FORMAT_ARGB32:
1474             image.SetAlpha();
1475             break;
1476
1477         case CAIRO_FORMAT_RGB24:
1478             // Nothing to do, we don't use alpha by default.
1479             break;
1480
1481         case CAIRO_FORMAT_A8:
1482         case CAIRO_FORMAT_A1:
1483             wxFAIL_MSG(wxS("Unsupported Cairo image surface type."));
1484             return wxNullImage;
1485
1486         default:
1487             wxFAIL_MSG(wxS("Unknown Cairo image surface type."));
1488             return wxNullImage;
1489     }
1490
1491     // Prepare for copying data.
1492     const wxUint32* src = (wxUint32*)cairo_image_surface_get_data(m_surface);
1493     wxCHECK_MSG( src, wxNullImage, wxS("Failed to get Cairo surface data.") );
1494
1495     int stride = cairo_image_surface_get_stride(m_surface);
1496     wxCHECK_MSG( stride > 0, wxNullImage,
1497                  wxS("Failed to get Cairo surface stride.") );
1498
1499     // As we work with wxUint32 pointers and not char ones, we need to adjust
1500     // the stride accordingly. This should be lossless as the stride must be a
1501     // multiple of pixel size.
1502     wxASSERT_MSG( !(stride % sizeof(wxUint32)), wxS("Unexpected stride.") );
1503     stride /= sizeof(wxUint32);
1504
1505     unsigned char* dst = image.GetData();
1506     unsigned char *alpha = image.GetAlpha();
1507     if ( alpha )
1508     {
1509         // We need to also copy alpha and undo the pre-multiplication as Cairo
1510         // stores pre-multiplied values in this format while wxImage does not.
1511         for ( int y = 0; y < m_height; y++ )
1512         {
1513             const wxUint32* const rowStart = src;
1514             for ( int x = 0; x < m_width; x++ )
1515             {
1516                 const wxUint32 argb = *src++;
1517
1518                 *alpha++ = (argb & 0xff000000) >> 24;
1519
1520                 // Copy the RGB data undoing the pre-multiplication.
1521                 *dst++ = Unpremultiply(*alpha, (argb & 0x00ff0000) >> 16);
1522                 *dst++ = Unpremultiply(*alpha, (argb & 0x0000ff00) >>  8);
1523                 *dst++ = Unpremultiply(*alpha, (argb & 0x000000ff));
1524             }
1525
1526             src = rowStart + stride;
1527         }
1528     }
1529     else // RGB
1530     {
1531         // Things are pretty simple in this case, just copy RGB bytes.
1532         for ( int y = 0; y < m_height; y++ )
1533         {
1534             const wxUint32* const rowStart = src;
1535             for ( int x = 0; x < m_width; x++ )
1536             {
1537                 const wxUint32 argb = *src++;
1538
1539                 *dst++ = (argb & 0x00ff0000) >> 16;
1540                 *dst++ = (argb & 0x0000ff00) >>  8;
1541                 *dst++ = (argb & 0x000000ff);
1542             }
1543
1544             src = rowStart + stride;
1545         }
1546     }
1547
1548     return image;
1549 }
1550
1551 #endif // wxUSE_IMAGE
1552
1553 wxCairoBitmapData::~wxCairoBitmapData()
1554 {
1555     if (m_pattern)
1556         cairo_pattern_destroy(m_pattern);
1557
1558     if (m_surface)
1559         cairo_surface_destroy(m_surface);
1560
1561     delete [] m_buffer;
1562 }
1563
1564 //-----------------------------------------------------------------------------
1565 // wxCairoContext implementation
1566 //-----------------------------------------------------------------------------
1567
1568 class wxCairoOffsetHelper
1569 {
1570 public :
1571     wxCairoOffsetHelper( cairo_t* ctx , bool offset )
1572     {
1573         m_ctx = ctx;
1574         m_offset = offset;
1575         if ( m_offset )
1576              cairo_translate( m_ctx, 0.5, 0.5 );
1577     }
1578     ~wxCairoOffsetHelper( )
1579     {
1580         if ( m_offset )
1581             cairo_translate( m_ctx, -0.5, -0.5 );
1582     }
1583 public :
1584     cairo_t* m_ctx;
1585     bool m_offset;
1586 } ;
1587
1588 wxCairoContext::wxCairoContext( wxGraphicsRenderer* renderer, const wxPrinterDC& dc )
1589 : wxGraphicsContext(renderer)
1590 {
1591 #ifdef __WXMSW__
1592     // wxMSW contexts always use MM_ANISOTROPIC, which messes up
1593     // text rendering when printing using Cairo. Switch it to MM_TEXT
1594     // map mode to avoid this problem.
1595     HDC hdc = (HDC)dc.GetHDC();
1596     ::SetMapMode(hdc, MM_TEXT);
1597     m_mswSurface = cairo_win32_printing_surface_create(hdc);
1598     Init( cairo_create(m_mswSurface) );
1599 #endif
1600
1601 #ifdef __WXGTK20__
1602     const wxDCImpl *impl = dc.GetImpl();
1603     Init( (cairo_t*) impl->GetCairoContext() );
1604 #endif
1605     wxSize sz = dc.GetSize();
1606     m_width = sz.x;
1607     m_height = sz.y;
1608
1609     wxPoint org = dc.GetDeviceOrigin();
1610     cairo_translate( m_context, org.x, org.y );
1611
1612     double sx,sy;
1613     dc.GetUserScale( &sx, &sy );
1614
1615 // TODO: Determine if these fixes are needed on other platforms too.
1616 // On MSW, without this the printer context will not respect wxDC SetMapMode calls.
1617 // For example, using dc.SetMapMode(wxMM_POINTS) can let us share printer and screen
1618 // drawing code
1619 #ifdef __WXMSW__
1620     double lsx,lsy;
1621     dc.GetLogicalScale( &lsx, &lsy );
1622     sx *= lsx;
1623     sy *= lsy;
1624 #endif
1625     cairo_scale( m_context, sx, sy );
1626
1627     org = dc.GetLogicalOrigin();
1628     cairo_translate( m_context, -org.x, -org.y );
1629 }
1630
1631 wxCairoContext::wxCairoContext( wxGraphicsRenderer* renderer, const wxWindowDC& dc )
1632 : wxGraphicsContext(renderer)
1633 {
1634     int width, height;
1635     dc.GetSize( &width, &height );
1636     m_width = width;
1637     m_height = height;
1638
1639     m_enableOffset = true;
1640
1641 #ifdef __WXMSW__
1642     m_mswSurface = cairo_win32_surface_create((HDC)dc.GetHDC());
1643     Init( cairo_create(m_mswSurface) );
1644 #endif
1645
1646 #ifdef __WXGTK20__
1647     wxGTKDCImpl *impldc = (wxGTKDCImpl*) dc.GetImpl();
1648     Init( gdk_cairo_create( impldc->GetGDKWindow() ) );
1649
1650 #if 0
1651     wxGraphicsMatrix matrix = CreateMatrix();
1652
1653     wxPoint org = dc.GetDeviceOrigin();
1654     matrix.Translate( org.x, org.y );
1655
1656     org = dc.GetLogicalOrigin();
1657     matrix.Translate( -org.x, -org.y );
1658
1659     double sx,sy;
1660     dc.GetUserScale( &sx, &sy );
1661     matrix.Scale( sx, sy );
1662
1663     ConcatTransform( matrix );
1664 #endif
1665 #endif
1666
1667 #ifdef __WXMAC__
1668     CGContextRef cgcontext = (CGContextRef)dc.GetWindow()->MacGetCGContextRef();
1669     cairo_surface_t* surface = cairo_quartz_surface_create_for_cg_context(cgcontext, width, height);
1670     Init( cairo_create( surface ) );
1671     cairo_surface_destroy( surface );
1672 #endif
1673 }
1674
1675 wxCairoContext::wxCairoContext( wxGraphicsRenderer* renderer, const wxMemoryDC& dc )
1676 : wxGraphicsContext(renderer)
1677 {
1678     int width, height;
1679     dc.GetSize( &width, &height );
1680     m_width = width;
1681     m_height = height;
1682
1683     m_enableOffset = true;
1684
1685 #ifdef __WXMSW__
1686     m_mswSurface = cairo_win32_surface_create((HDC)dc.GetHDC());
1687     Init( cairo_create(m_mswSurface) );
1688 #endif
1689
1690 #ifdef __WXGTK20__
1691     wxGTKDCImpl *impldc = (wxGTKDCImpl*) dc.GetImpl();
1692     Init( gdk_cairo_create( impldc->GetGDKWindow() ) );
1693
1694 #if 0
1695     wxGraphicsMatrix matrix = CreateMatrix();
1696
1697     wxPoint org = dc.GetDeviceOrigin();
1698     matrix.Translate( org.x, org.y );
1699
1700     org = dc.GetLogicalOrigin();
1701     matrix.Translate( -org.x, -org.y );
1702
1703     double sx,sy;
1704     dc.GetUserScale( &sx, &sy );
1705     matrix.Scale( sx, sy );
1706
1707     ConcatTransform( matrix );
1708 #endif
1709 #endif
1710
1711 #ifdef __WXMAC__
1712     CGContextRef cgcontext = (CGContextRef)dc.GetWindow()->MacGetCGContextRef();
1713     cairo_surface_t* surface = cairo_quartz_surface_create_for_cg_context(cgcontext, width, height);
1714     Init( cairo_create( surface ) );
1715     cairo_surface_destroy( surface );
1716 #endif
1717 }
1718
1719 #ifdef __WXGTK20__
1720 wxCairoContext::wxCairoContext( wxGraphicsRenderer* renderer, GdkDrawable *drawable )
1721 : wxGraphicsContext(renderer)
1722 {
1723     Init( gdk_cairo_create( drawable ) );
1724
1725     int width, height;
1726     gdk_drawable_get_size( drawable, &width, &height );
1727     m_width = width;
1728     m_height = height;
1729 }
1730 #endif
1731
1732 #ifdef __WXMSW__
1733 wxCairoContext::wxCairoContext( wxGraphicsRenderer* renderer, HDC handle )
1734 : wxGraphicsContext(renderer)
1735 {
1736     m_mswSurface = cairo_win32_surface_create(handle);
1737     Init( cairo_create(m_mswSurface) );
1738     m_width =
1739     m_height = 0;
1740 }
1741 #endif
1742
1743
1744 wxCairoContext::wxCairoContext( wxGraphicsRenderer* renderer, cairo_t *context )
1745 : wxGraphicsContext(renderer)
1746 {
1747     Init( context );
1748     m_width =
1749     m_height = 0;
1750 }
1751
1752 wxCairoContext::wxCairoContext( wxGraphicsRenderer* renderer, wxWindow *window)
1753 : wxGraphicsContext(renderer)
1754 {
1755     m_enableOffset = true;
1756 #ifdef __WXGTK__
1757     // something along these lines (copied from dcclient)
1758
1759     // Some controls don't have m_wxwindow - like wxStaticBox, but the user
1760     // code should still be able to create wxClientDCs for them, so we will
1761     // use the parent window here then.
1762     if (window->m_wxwindow == NULL)
1763     {
1764         window = window->GetParent();
1765     }
1766
1767     wxASSERT_MSG( window->m_wxwindow, wxT("wxCairoContext needs a widget") );
1768
1769     Init(gdk_cairo_create(window->GTKGetDrawingWindow()));
1770
1771     wxSize sz = window->GetSize();
1772     m_width = sz.x;
1773     m_height = sz.y;
1774 #endif
1775
1776 #ifdef __WXMSW__
1777     m_mswSurface = cairo_win32_surface_create((HDC)window->GetHandle());
1778     Init(cairo_create(m_mswSurface));
1779 #endif
1780
1781 }
1782
1783 wxCairoContext::wxCairoContext(wxGraphicsRenderer* renderer) :
1784     wxGraphicsContext(renderer)
1785 {
1786     m_context = NULL;
1787 }
1788
1789 wxCairoContext::~wxCairoContext()
1790 {
1791     if ( m_context )
1792     {
1793         PopState();
1794         PopState();
1795         cairo_destroy(m_context);
1796     }
1797 #ifdef __WXMSW__
1798     if ( m_mswSurface )
1799         cairo_surface_destroy(m_mswSurface);
1800 #endif
1801 }
1802
1803 void wxCairoContext::Init(cairo_t *context)
1804 {
1805     m_context = context ;
1806     PushState();
1807     PushState();
1808 }
1809
1810
1811 void wxCairoContext::Clip( const wxRegion& region )
1812 {
1813     // Create a path with all the rectangles in the region
1814     wxGraphicsPath path = GetRenderer()->CreatePath();
1815     wxRegionIterator ri(region);
1816     while (ri)
1817     {
1818         path.AddRectangle(ri.GetX(), ri.GetY(), ri.GetW(), ri.GetH());
1819         ++ri;
1820     }
1821
1822     // Put it in the context
1823     cairo_path_t* cp = (cairo_path_t*) path.GetNativePath() ;
1824     cairo_append_path(m_context, cp);
1825
1826     // clip to that path
1827     cairo_clip(m_context);
1828     path.UnGetNativePath(cp);
1829 }
1830
1831 void wxCairoContext::Clip( wxDouble x, wxDouble y, wxDouble w, wxDouble h )
1832 {
1833     // Create a path with this rectangle
1834     wxGraphicsPath path = GetRenderer()->CreatePath();
1835     path.AddRectangle(x,y,w,h);
1836
1837     // Put it in the context
1838     cairo_path_t* cp = (cairo_path_t*) path.GetNativePath() ;
1839     cairo_append_path(m_context, cp);
1840
1841     // clip to that path
1842     cairo_clip(m_context);
1843     path.UnGetNativePath(cp);
1844 }
1845
1846 void wxCairoContext::ResetClip()
1847 {
1848     cairo_reset_clip(m_context);
1849 }
1850
1851
1852 void wxCairoContext::StrokePath( const wxGraphicsPath& path )
1853 {
1854     if ( !m_pen.IsNull() )
1855     {
1856         wxCairoOffsetHelper helper( m_context, ShouldOffset() ) ;
1857         cairo_path_t* cp = (cairo_path_t*) path.GetNativePath() ;
1858         cairo_append_path(m_context,cp);
1859         ((wxCairoPenData*)m_pen.GetRefData())->Apply(this);
1860         cairo_stroke(m_context);
1861         path.UnGetNativePath(cp);
1862     }
1863 }
1864
1865 void wxCairoContext::FillPath( const wxGraphicsPath& path , wxPolygonFillMode fillStyle )
1866 {
1867     if ( !m_brush.IsNull() )
1868     {
1869         wxCairoOffsetHelper helper( m_context, ShouldOffset() ) ;
1870         cairo_path_t* cp = (cairo_path_t*) path.GetNativePath() ;
1871         cairo_append_path(m_context,cp);
1872         ((wxCairoBrushData*)m_brush.GetRefData())->Apply(this);
1873         cairo_set_fill_rule(m_context,fillStyle==wxODDEVEN_RULE ? CAIRO_FILL_RULE_EVEN_ODD : CAIRO_FILL_RULE_WINDING);
1874         cairo_fill(m_context);
1875         path.UnGetNativePath(cp);
1876     }
1877 }
1878
1879 void wxCairoContext::Rotate( wxDouble angle )
1880 {
1881     cairo_rotate(m_context,angle);
1882 }
1883
1884 void wxCairoContext::Translate( wxDouble dx , wxDouble dy )
1885 {
1886     cairo_translate(m_context,dx,dy);
1887 }
1888
1889 void wxCairoContext::Scale( wxDouble xScale , wxDouble yScale )
1890 {
1891     cairo_scale(m_context,xScale,yScale);
1892 }
1893
1894 // concatenates this transform with the current transform of this context
1895 void wxCairoContext::ConcatTransform( const wxGraphicsMatrix& matrix )
1896 {
1897     cairo_transform(m_context,(const cairo_matrix_t *) matrix.GetNativeMatrix());
1898 }
1899
1900 // sets the transform of this context
1901 void wxCairoContext::SetTransform( const wxGraphicsMatrix& matrix )
1902 {
1903     cairo_set_matrix(m_context,(const cairo_matrix_t*) matrix.GetNativeMatrix());
1904 }
1905
1906 // gets the matrix of this context
1907 wxGraphicsMatrix wxCairoContext::GetTransform() const
1908 {
1909     wxGraphicsMatrix matrix = CreateMatrix();
1910     cairo_get_matrix(m_context,(cairo_matrix_t*) matrix.GetNativeMatrix());
1911     return matrix;
1912 }
1913
1914
1915
1916 void wxCairoContext::PushState()
1917 {
1918     cairo_save(m_context);
1919 }
1920
1921 void wxCairoContext::PopState()
1922 {
1923     cairo_restore(m_context);
1924 }
1925
1926 void wxCairoContext::DrawBitmap( const wxBitmap &bmp, wxDouble x, wxDouble y, wxDouble w, wxDouble h )
1927 {
1928     wxGraphicsBitmap bitmap = GetRenderer()->CreateBitmap(bmp);
1929     DrawBitmap(bitmap, x, y, w, h);
1930
1931 }
1932
1933 void wxCairoContext::DrawBitmap(const wxGraphicsBitmap &bmp, wxDouble x, wxDouble y, wxDouble w, wxDouble h )
1934 {
1935     PushState();
1936
1937     // In case we're scaling the image by using a width and height different
1938     // than the bitmap's size create a pattern transformation on the surface and
1939     // draw the transformed pattern.
1940     wxCairoBitmapData* data = static_cast<wxCairoBitmapData*>(bmp.GetRefData());
1941     cairo_pattern_t* pattern = data->GetCairoPattern();
1942     wxSize size = data->GetSize();
1943
1944     wxDouble scaleX = w / size.GetWidth();
1945     wxDouble scaleY = h / size.GetHeight();
1946
1947     // prepare to draw the image
1948     cairo_translate(m_context, x, y);
1949     cairo_scale(m_context, scaleX, scaleY);
1950     cairo_set_source(m_context, pattern);
1951     // use the original size here since the context is scaled already...
1952     cairo_rectangle(m_context, 0, 0, size.GetWidth(), size.GetHeight());
1953     // fill the rectangle using the pattern
1954     cairo_fill(m_context);
1955
1956     PopState();
1957 }
1958
1959 void wxCairoContext::DrawIcon( const wxIcon &icon, wxDouble x, wxDouble y, wxDouble w, wxDouble h )
1960 {
1961     // An icon is a bitmap on wxGTK, so do this the easy way.  When we want to
1962     // start using the Cairo backend on other platforms then we may need to
1963     // fiddle with this...
1964     DrawBitmap(icon, x, y, w, h);
1965 }
1966
1967
1968 void wxCairoContext::DoDrawText(const wxString& str, wxDouble x, wxDouble y)
1969 {
1970     wxCHECK_RET( !m_font.IsNull(),
1971                  wxT("wxCairoContext::DrawText - no valid font set") );
1972
1973     if ( str.empty())
1974         return;
1975
1976     const wxCharBuffer data = str.utf8_str();
1977     if ( !data )
1978         return;
1979
1980     if ( ((wxCairoFontData*)m_font.GetRefData())->Apply(this) )
1981     {
1982 #ifdef __WXGTK__
1983         size_t datalen = strlen(data);
1984
1985         PangoLayout *layout = pango_cairo_create_layout (m_context);
1986         wxCairoFontData* font_data = (wxCairoFontData*) m_font.GetRefData();
1987         pango_layout_set_font_description( layout, font_data->GetFont());
1988         pango_layout_set_text(layout, data, datalen);
1989
1990         PangoAttrList* attrs = NULL;
1991         if (font_data->GetUnderlined())
1992         {
1993             attrs = pango_attr_list_new();
1994             PangoAttribute *attr = pango_attr_underline_new(PANGO_UNDERLINE_SINGLE);
1995             pango_attr_list_insert(attrs, attr);
1996         }
1997         if (font_data->GetStrikethrough())
1998         {
1999             if (attrs == NULL)
2000                 attrs = pango_attr_list_new();
2001             PangoAttribute* attr = pango_attr_strikethrough_new(true);
2002             pango_attr_list_insert(attrs, attr);
2003         }
2004         if (attrs)
2005         {
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     virtual wxImage CreateImageFromBitmap(const wxGraphicsBitmap& bmp);
2294 #endif // wxUSE_IMAGE
2295
2296     // create a graphics bitmap from a native bitmap
2297     virtual wxGraphicsBitmap CreateBitmapFromNativeBitmap( void* bitmap );
2298
2299     // create a subimage from a native image representation
2300     virtual wxGraphicsBitmap CreateSubBitmap( const wxGraphicsBitmap &bitmap, wxDouble x, wxDouble y, wxDouble w, wxDouble h  );
2301
2302 protected :
2303     bool EnsureIsLoaded();
2304     void Load();
2305     void Unload();
2306     friend class wxCairoModule;
2307 private :
2308     int m_loaded;
2309     DECLARE_DYNAMIC_CLASS_NO_COPY(wxCairoRenderer)
2310 } ;
2311
2312 //-----------------------------------------------------------------------------
2313 // wxCairoRenderer implementation
2314 //-----------------------------------------------------------------------------
2315
2316 IMPLEMENT_DYNAMIC_CLASS(wxCairoRenderer,wxGraphicsRenderer)
2317
2318 static wxCairoRenderer gs_cairoGraphicsRenderer;
2319 // temporary hack to allow creating a cairo context on any platform
2320 extern wxGraphicsRenderer* gCairoRenderer;
2321 wxGraphicsRenderer* gCairoRenderer = &gs_cairoGraphicsRenderer;
2322
2323 bool wxCairoRenderer::EnsureIsLoaded()
2324 {
2325 #ifndef __WXGTK__
2326     Load();
2327     return wxCairoInit();
2328 #else
2329     return true;
2330 #endif
2331 }
2332
2333 void wxCairoRenderer::Load()
2334 {
2335     wxCairoInit();
2336 }
2337
2338 void wxCairoRenderer::Unload()
2339 {
2340     wxCairoCleanUp();
2341 }
2342
2343 // call EnsureIsLoaded() and return returnOnFail value if it fails
2344 #define ENSURE_LOADED_OR_RETURN(returnOnFail)  \
2345     if ( !EnsureIsLoaded() )                   \
2346         return (returnOnFail)
2347
2348 wxGraphicsContext * wxCairoRenderer::CreateContext( const wxWindowDC& dc)
2349 {
2350     ENSURE_LOADED_OR_RETURN(NULL);
2351     return new wxCairoContext(this,dc);
2352 }
2353
2354 wxGraphicsContext * wxCairoRenderer::CreateContext( const wxMemoryDC& dc)
2355 {
2356     ENSURE_LOADED_OR_RETURN(NULL);
2357     return new wxCairoContext(this,dc);
2358 }
2359
2360 wxGraphicsContext * wxCairoRenderer::CreateContext( const wxPrinterDC& dc)
2361 {
2362     ENSURE_LOADED_OR_RETURN(NULL);
2363     return new wxCairoContext(this, dc);
2364 }
2365
2366 #ifdef __WXMSW__
2367 #if wxUSE_ENH_METAFILE
2368 wxGraphicsContext * wxCairoRenderer::CreateContext( const wxEnhMetaFileDC& WXUNUSED(dc) )
2369 {
2370     ENSURE_LOADED_OR_RETURN(NULL);
2371     return NULL;
2372 }
2373 #endif
2374 #endif
2375
2376 wxGraphicsContext * wxCairoRenderer::CreateContextFromNativeContext( void * context )
2377 {
2378     ENSURE_LOADED_OR_RETURN(NULL);
2379 #ifdef __WXMSW__
2380     return new wxCairoContext(this,(HDC)context);
2381 #else
2382     return new wxCairoContext(this,(cairo_t*)context);
2383 #endif
2384 }
2385
2386
2387 wxGraphicsContext * wxCairoRenderer::CreateContextFromNativeWindow( void * window )
2388 {
2389     ENSURE_LOADED_OR_RETURN(NULL);
2390 #ifdef __WXGTK__
2391     return new wxCairoContext(this,(GdkDrawable*)window);
2392 #else
2393     wxUnusedVar(window);
2394     return NULL;
2395 #endif
2396 }
2397
2398 #if wxUSE_IMAGE
2399 wxGraphicsContext * wxCairoRenderer::CreateContextFromImage(wxImage& image)
2400 {
2401     return new wxCairoImageContext(this, image);
2402 }
2403 #endif // wxUSE_IMAGE
2404
2405 wxGraphicsContext * wxCairoRenderer::CreateMeasuringContext()
2406 {
2407     ENSURE_LOADED_OR_RETURN(NULL);
2408 #ifdef __WXGTK__
2409     return CreateContextFromNativeWindow(gdk_get_default_root_window());
2410 #endif
2411     return NULL;
2412     // TODO
2413 }
2414
2415 wxGraphicsContext * wxCairoRenderer::CreateContext( wxWindow* window )
2416 {
2417     ENSURE_LOADED_OR_RETURN(NULL);
2418     return new wxCairoContext(this, window );
2419 }
2420
2421 // Path
2422
2423 wxGraphicsPath wxCairoRenderer::CreatePath()
2424 {
2425     ENSURE_LOADED_OR_RETURN(wxNullGraphicsPath);
2426     wxGraphicsPath path;
2427     path.SetRefData( new wxCairoPathData(this) );
2428     return path;
2429 }
2430
2431
2432 // Matrix
2433
2434 wxGraphicsMatrix wxCairoRenderer::CreateMatrix( wxDouble a, wxDouble b, wxDouble c, wxDouble d,
2435                                                 wxDouble tx, wxDouble ty)
2436
2437 {
2438     ENSURE_LOADED_OR_RETURN(wxNullGraphicsMatrix);
2439     wxGraphicsMatrix m;
2440     wxCairoMatrixData* data = new wxCairoMatrixData( this );
2441     data->Set( a,b,c,d,tx,ty ) ;
2442     m.SetRefData(data);
2443     return m;
2444 }
2445
2446 wxGraphicsPen wxCairoRenderer::CreatePen(const wxPen& pen)
2447 {
2448     ENSURE_LOADED_OR_RETURN(wxNullGraphicsPen);
2449     if ( !pen.IsOk() || pen.GetStyle() == wxPENSTYLE_TRANSPARENT )
2450         return wxNullGraphicsPen;
2451     else
2452     {
2453         wxGraphicsPen p;
2454         p.SetRefData(new wxCairoPenData( this, pen ));
2455         return p;
2456     }
2457 }
2458
2459 wxGraphicsBrush wxCairoRenderer::CreateBrush(const wxBrush& brush )
2460 {
2461     ENSURE_LOADED_OR_RETURN(wxNullGraphicsBrush);
2462     if ( !brush.IsOk() || brush.GetStyle() == wxBRUSHSTYLE_TRANSPARENT )
2463         return wxNullGraphicsBrush;
2464     else
2465     {
2466         wxGraphicsBrush p;
2467         p.SetRefData(new wxCairoBrushData( this, brush ));
2468         return p;
2469     }
2470 }
2471
2472 wxGraphicsBrush
2473 wxCairoRenderer::CreateLinearGradientBrush(wxDouble x1, wxDouble y1,
2474                                            wxDouble x2, wxDouble y2,
2475                                            const wxGraphicsGradientStops& stops)
2476 {
2477     ENSURE_LOADED_OR_RETURN(wxNullGraphicsBrush);
2478     wxGraphicsBrush p;
2479     wxCairoBrushData* d = new wxCairoBrushData( this );
2480     d->CreateLinearGradientBrush(x1, y1, x2, y2, stops);
2481     p.SetRefData(d);
2482     return p;
2483 }
2484
2485 wxGraphicsBrush
2486 wxCairoRenderer::CreateRadialGradientBrush(wxDouble xo, wxDouble yo,
2487                                            wxDouble xc, wxDouble yc, wxDouble r,
2488                                            const wxGraphicsGradientStops& stops)
2489 {
2490     ENSURE_LOADED_OR_RETURN(wxNullGraphicsBrush);
2491     wxGraphicsBrush p;
2492     wxCairoBrushData* d = new wxCairoBrushData( this );
2493     d->CreateRadialGradientBrush(xo, yo, xc, yc, r, stops);
2494     p.SetRefData(d);
2495     return p;
2496 }
2497
2498 wxGraphicsFont wxCairoRenderer::CreateFont( const wxFont &font , const wxColour &col )
2499 {
2500     ENSURE_LOADED_OR_RETURN(wxNullGraphicsFont);
2501     if ( font.IsOk() )
2502     {
2503         wxGraphicsFont p;
2504         p.SetRefData(new wxCairoFontData( this , font, col ));
2505         return p;
2506     }
2507     else
2508         return wxNullGraphicsFont;
2509 }
2510
2511 wxGraphicsFont
2512 wxCairoRenderer::CreateFont(double sizeInPixels,
2513                             const wxString& facename,
2514                             int flags,
2515                             const wxColour& col)
2516 {
2517     ENSURE_LOADED_OR_RETURN(wxNullGraphicsFont);
2518
2519     wxGraphicsFont font;
2520     font.SetRefData(new wxCairoFontData(this, sizeInPixels, facename, flags, col));
2521     return font;
2522 }
2523
2524 wxGraphicsBitmap wxCairoRenderer::CreateBitmap( const wxBitmap& bmp )
2525 {
2526     ENSURE_LOADED_OR_RETURN(wxNullGraphicsBitmap);
2527     if ( bmp.IsOk() )
2528     {
2529         wxGraphicsBitmap p;
2530         p.SetRefData(new wxCairoBitmapData( this , bmp ));
2531         return p;
2532     }
2533     else
2534         return wxNullGraphicsBitmap;
2535 }
2536
2537 #if wxUSE_IMAGE
2538
2539 wxGraphicsBitmap wxCairoRenderer::CreateBitmapFromImage(const wxImage& image)
2540 {
2541     wxGraphicsBitmap bmp;
2542
2543     ENSURE_LOADED_OR_RETURN(bmp);
2544
2545     if ( image.IsOk() )
2546     {
2547         bmp.SetRefData(new wxCairoBitmapData(this, image));
2548     }
2549
2550     return bmp;
2551 }
2552
2553 wxImage wxCairoRenderer::CreateImageFromBitmap(const wxGraphicsBitmap& bmp)
2554 {
2555     ENSURE_LOADED_OR_RETURN(wxNullImage);
2556
2557     const wxCairoBitmapData* const
2558         data = static_cast<wxCairoBitmapData*>(bmp.GetGraphicsData());
2559
2560     return data ? data->ConvertToImage() : wxNullImage;
2561 }
2562
2563 #endif // wxUSE_IMAGE
2564
2565
2566 wxGraphicsBitmap wxCairoRenderer::CreateBitmapFromNativeBitmap( void* bitmap )
2567 {
2568     ENSURE_LOADED_OR_RETURN(wxNullGraphicsBitmap);
2569     if ( bitmap != NULL )
2570     {
2571         wxGraphicsBitmap p;
2572         p.SetRefData(new wxCairoBitmapData( this , (cairo_surface_t*) bitmap ));
2573         return p;
2574     }
2575     else
2576         return wxNullGraphicsBitmap;
2577 }
2578
2579 wxGraphicsBitmap
2580 wxCairoRenderer::CreateSubBitmap(const wxGraphicsBitmap& WXUNUSED(bitmap),
2581                                  wxDouble WXUNUSED(x),
2582                                  wxDouble WXUNUSED(y),
2583                                  wxDouble WXUNUSED(w),
2584                                  wxDouble WXUNUSED(h))
2585 {
2586     ENSURE_LOADED_OR_RETURN(wxNullGraphicsBitmap);
2587     wxFAIL_MSG("wxCairoRenderer::CreateSubBitmap is not implemented.");
2588     return wxNullGraphicsBitmap;
2589 }
2590
2591 wxGraphicsRenderer* wxGraphicsRenderer::GetCairoRenderer()
2592 {
2593     return &gs_cairoGraphicsRenderer;
2594 }
2595
2596 #else // !wxUSE_CAIRO
2597
2598 wxGraphicsRenderer* wxGraphicsRenderer::GetCairoRenderer()
2599 {
2600     return NULL;
2601 }
2602
2603 #endif  // wxUSE_CAIRO/!wxUSE_CAIRO
2604
2605 // MSW and OS X have their own native default renderers, but the other ports
2606 // use Cairo by default
2607 #if !(defined(__WXMSW__) || defined(__WXOSX__))
2608 wxGraphicsRenderer* wxGraphicsRenderer::GetDefaultRenderer()
2609 {
2610     return GetCairoRenderer();
2611 }
2612 #endif // !(__WXMSW__ || __WXOSX__)
2613
2614 #endif // wxUSE_GRAPHICS_CONTEXT