wxPython/src/_graphics.i

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        _graphics.i
   3 // Purpose:     Wrapper definitions for wx.GraphicsPath, wx.GraphicsContext
   4 //
   5 // Author:      Robin Dunn
   6 //
   7 // Created:     2-Oct-2006
   8 // RCS-ID:      $Id$
   9 // Copyright:   (c) 2006 by Total Control Software
  10 // Licence:     wxWindows license
  11 /////////////////////////////////////////////////////////////////////////////
  12
  13 // Not a %module
  14
  15
  16 //---------------------------------------------------------------------------
  17 %newgroup
  18
  19 %{
  20 #include <wx/graphics.h>
  21 %}
  22
  23 // Turn off the aquisition of the Global Interpreter Lock for the classes and
  24 // functions in this file
  25 %threadWrapperOff
  26
  27
  28 //---------------------------------------------------------------------------
  29 //---------------------------------------------------------------------------
  30
  31 %{
  32 #if !wxUSE_GRAPHICS_CONTEXT
  33 // C++ stub classes for platforms or build configurations that don't have
  34 // wxGraphicsContext yet.
  35
  36 class wxGraphicsRenderer;
  37 class wxGraphicsMatrix;
  38
  39
  40 class wxGraphicsObject : public wxObject
  41 {
  42 public :
  43     wxGraphicsObject() {}
  44     wxGraphicsObject( wxGraphicsRenderer*  ) {
  45         PyErr_SetString(PyExc_NotImplementedError,
  46                         "wx.GraphicsObject is not available on this platform.");
  47     }
  48     wxGraphicsObject( const wxGraphicsObject&  ) {}
  49     virtual ~wxGraphicsObject() {}
  50     bool IsNull() const { return false; }
  51     wxGraphicsRenderer* GetRenderer() const { return NULL; }
  52 } ;
  53
  54
  55
  56 class wxGraphicsPen : public wxGraphicsObject
  57 {
  58 public:
  59     wxGraphicsPen()  {}
  60     virtual ~wxGraphicsPen() {}
  61 } ;
  62 wxGraphicsPen wxNullGraphicsPen;
  63
  64
  65
  66 class wxGraphicsBrush : public wxGraphicsObject
  67 {
  68 public :
  69     wxGraphicsBrush() {}
  70     virtual ~wxGraphicsBrush() {}
  71 } ;
  72 wxGraphicsBrush wxNullGraphicsBrush;
  73
  74
  75
  76 class wxGraphicsFont : public wxGraphicsObject
  77 {
  78 public :
  79     wxGraphicsFont() {}
  80     virtual ~wxGraphicsFont() {}
  81 } ;
  82 wxGraphicsFont wxNullGraphicsFont;
  83
  84
  85
  86 class wxGraphicsPath : public wxGraphicsObject
  87 {
  88 public :
  89     wxGraphicsPath() { }
  90     wxGraphicsPath(wxGraphicsRenderer* ) {
  91         PyErr_SetString(PyExc_NotImplementedError,
  92                         "wx.GraphicsPath is not available on this platform.");
  93     }
  94     virtual ~wxGraphicsPath() {}
  95
  96     void MoveToPoint( wxDouble, wxDouble ) {}
  97     void MoveToPoint( const wxPoint2DDouble& ) {}
  98     void AddLineToPoint( wxDouble, wxDouble ) {}
  99     void AddLineToPoint( const wxPoint2DDouble& ) {}
 100     void AddCurveToPoint( wxDouble, wxDouble, wxDouble, wxDouble, wxDouble, wxDouble ) {}
 101     void AddCurveToPoint( const wxPoint2DDouble&, const wxPoint2DDouble&, const wxPoint2DDouble&) {}
 102     void AddPath( const wxGraphicsPath& ) {}
 103     void CloseSubpath() {}
 104     void GetCurrentPoint( wxDouble&, wxDouble&) const {}
 105     wxPoint2DDouble GetCurrentPoint() const { return wxPoint2D(0,0); }
 106     void AddArc( wxDouble, wxDouble, wxDouble, wxDouble, wxDouble, bool ) {}
 107     void AddArc( const wxPoint2DDouble& , wxDouble, wxDouble , wxDouble , bool ) {}
 108
 109     void AddQuadCurveToPoint( wxDouble, wxDouble, wxDouble, wxDouble ) {}
 110     void AddRectangle( wxDouble, wxDouble, wxDouble, wxDouble ) {}
 111     void AddCircle( wxDouble, wxDouble, wxDouble ) {}
 112     void AddArcToPoint( wxDouble, wxDouble , wxDouble, wxDouble, wxDouble )  {}
 113
 114     void AddEllipse( wxDouble , wxDouble , wxDouble , wxDouble ) {}
 115     void AddRoundedRectangle( wxDouble , wxDouble , wxDouble , wxDouble , wxDouble ) {}
 116     void * GetNativePath() const { return NULL; }
 117     void UnGetNativePath(void *) const {}
 118     void Transform( const wxGraphicsMatrix& ) {}
 119     void GetBox(wxDouble *, wxDouble *, wxDouble *, wxDouble *) const {}
 120     wxRect2D GetBox() const { return wxRect2D(0,0,0,0); }
 121
 122     bool Contains( wxDouble , wxDouble , int ) const { return false; }
 123     bool Contains( const wxPoint2DDouble& , int ) const { return false; }
 124 };
 125 wxGraphicsPath wxNullGraphicsPath;
 126
 127
 128 class wxGraphicsMatrix : public wxGraphicsObject
 129 {
 130 public :
 131     wxGraphicsMatrix() { }
 132     wxGraphicsMatrix(wxGraphicsRenderer* ) {
 133         PyErr_SetString(PyExc_NotImplementedError,
 134                         "wx.GraphicsMatrix is not available on this platform.");
 135     }
 136     virtual ~wxGraphicsMatrix() {}
 137     virtual void Concat( const wxGraphicsMatrix & ) {}
 138     virtual void Copy( const wxGraphicsMatrix & )  {}
 139     virtual void Set(wxDouble , wxDouble , wxDouble , wxDouble ,
 140                      wxDouble , wxDouble ) {}
 141     virtual void Get(wxDouble*, wxDouble*, wxDouble*,
 142                      wxDouble*, wxDouble*, wxDouble*) {}
 143     virtual void Invert() {}
 144     virtual bool IsEqual( const wxGraphicsMatrix& t) const  { return false; }
 145     virtual bool IsIdentity() const { return false; }
 146     virtual void Translate( wxDouble , wxDouble ) {}
 147     virtual void Scale( wxDouble , wxDouble  ) {}
 148     virtual void Rotate( wxDouble  ) {}
 149     virtual void TransformPoint( wxDouble *, wxDouble * ) const {}
 150     virtual void TransformDistance( wxDouble *, wxDouble * ) const {}
 151     virtual void * GetNativeMatrix() const { return NULL; }
 152 };
 153 wxGraphicsMatrix wxNullGraphicsMatrix;
 154
 155
 156 class wxGraphicsContext : public wxGraphicsObject
 157 {
 158 public:
 159
 160     wxGraphicsContext(wxGraphicsRenderer* ) {
 161         PyErr_SetString(PyExc_NotImplementedError,
 162                         "wx.GraphicsContext is not available on this platform.");
 163     }
 164
 165     virtual ~wxGraphicsContext() {}
 166
 167     static wxGraphicsContext* Create()   {
 168         PyErr_SetString(PyExc_NotImplementedError,
 169                         "wx.GraphicsContext is not available on this platform.");
 170         return NULL;
 171     }
 172     static wxGraphicsContext* Create( const wxWindowDC& )  {
 173         PyErr_SetString(PyExc_NotImplementedError,
 174                         "wx.GraphicsContext is not available on this platform.");
 175         return NULL;
 176     }
 177
 178     static wxGraphicsContext* CreateFromNative( void *  )  {
 179         PyErr_SetString(PyExc_NotImplementedError,
 180                         "wx.GraphicsContext is not available on this platform.");
 181         return NULL;
 182     }
 183
 184     static wxGraphicsContext* CreateFromNativeWindow( void *  )  {
 185         PyErr_SetString(PyExc_NotImplementedError,
 186                         "wx.GraphicsContext is not available on this platform.");
 187         return NULL;
 188     }
 189
 190     static wxGraphicsContext* Create( wxWindow*  )  {
 191         PyErr_SetString(PyExc_NotImplementedError,
 192                         "wx.GraphicsContext is not available on this platform.");
 193         return NULL;
 194     }
 195
 196     wxGraphicsPath CreatePath()  { return wxNullGraphicsPath; }
 197
 198     virtual wxGraphicsPen CreatePen(const wxPen& )  { return wxNullGraphicsPen; }
 199
 200     virtual wxGraphicsBrush CreateBrush(const wxBrush& ) { return wxNullGraphicsBrush; }
 201
 202     virtual wxGraphicsBrush CreateLinearGradientBrush( wxDouble , wxDouble , wxDouble , wxDouble ,
 203                                                         const wxColour&, const wxColour&) { return wxNullGraphicsBrush; }
 204
 205     virtual wxGraphicsBrush CreateRadialGradientBrush( wxDouble xo, wxDouble yo,
 206                                                         wxDouble xc, wxDouble yc, wxDouble radius,
 207                                                         const wxColour &oColor, const wxColour &cColor) { return wxNullGraphicsBrush; }
 208
 209     virtual wxGraphicsFont CreateFont( const wxFont &, const wxColour & )  { return wxNullGraphicsFont; }
 210
 211     virtual wxGraphicsMatrix CreateMatrix( wxDouble, wxDouble, wxDouble, wxDouble,
 212                                             wxDouble, wxDouble)  { return wxNullGraphicsMatrix; }
 213
 214     virtual void PushState() {}
 215     virtual void PopState() {}
 216     virtual void Clip( const wxRegion & ) {}
 217     virtual void Clip( wxDouble , wxDouble , wxDouble , wxDouble  ) {}
 218     virtual void ResetClip() {}
 219     virtual void * GetNativeContext() { return NULL; }
 220     virtual int GetLogicalFunction() const { return 0; }
 221     virtual bool SetLogicalFunction(int ) {}
 222     virtual void Translate( wxDouble , wxDouble ) {}
 223     virtual void Scale( wxDouble , wxDouble ) {}
 224     virtual void Rotate( wxDouble ) {}
 225     virtual void ConcatTransform( const wxGraphicsMatrix& ) {}
 226     virtual void SetTransform( const wxGraphicsMatrix& ) {}
 227     virtual wxGraphicsMatrix GetTransform() const { return wxNullGraphicsMatrix; }
 228
 229     virtual void SetPen( const wxGraphicsPen& ) {}
 230     void SetPen( const wxPen& ) {}
 231
 232     virtual void SetBrush( const wxGraphicsBrush& ) {}
 233     void SetBrush( const wxBrush& ) {}
 234
 235     virtual void SetFont( const wxGraphicsFont& ) {}
 236     void SetFont( const wxFont&, const wxColour& ) {}
 237
 238     virtual void StrokePath( const wxGraphicsPath & ) {}
 239     virtual void FillPath( const wxGraphicsPath &, int ) {}
 240     virtual void DrawPath( const wxGraphicsPath &, int ) {}
 241
 242     virtual void DrawText( const wxString &, wxDouble , wxDouble  )  {}
 243     virtual void DrawText( const wxString &, wxDouble , wxDouble , wxDouble ) {}
 244     virtual void DrawText( const wxString &, wxDouble , wxDouble , wxGraphicsBrush )  {}
 245     virtual void DrawText( const wxString &, wxDouble , wxDouble , wxDouble , wxGraphicsBrush ) {}
 246     virtual void GetTextExtent( const wxString &, wxDouble *, wxDouble *,
 247                                 wxDouble *, wxDouble * ) const {}
 248     virtual void GetPartialTextExtents(const wxString& , wxArrayDouble& ) const  {}
 249
 250     virtual void DrawBitmap( const wxBitmap &, wxDouble , wxDouble , wxDouble , wxDouble  )  {}
 251     virtual void DrawIcon( const wxIcon &, wxDouble , wxDouble , wxDouble , wxDouble  )  {}
 252
 253     virtual void StrokeLine( wxDouble , wxDouble , wxDouble , wxDouble ) {}
 254     virtual void StrokeLines( size_t , const wxPoint2DDouble *) {}
 255     virtual void StrokeLines( size_t , const wxPoint2DDouble *, const wxPoint2DDouble *) {}
 256     virtual void DrawLines( size_t , const wxPoint2DDouble *, int ) {}
 257     virtual void DrawRectangle( wxDouble , wxDouble , wxDouble , wxDouble ) {}
 258     virtual void DrawRoundedRectangle( wxDouble , wxDouble , wxDouble , wxDouble , wxDouble ) {}
 259     virtual void DrawEllipse( wxDouble , wxDouble , wxDouble , wxDouble ) {}
 260     virtual void DrawRoundedRectangle( wxDouble  wxDouble , wxDouble , wxDouble , wxDouble ) {}
 261     virtual bool ShouldOffset() const { return false; }
 262 };
 263
 264
 265 class wxGraphicsRenderer : public wxObject
 266 {
 267 public :
 268     wxGraphicsRenderer() {
 269         PyErr_SetString(PyExc_NotImplementedError,
 270                         "wx.GraphicsRenderer is not available on this platform.");
 271     }
 272
 273     virtual ~wxGraphicsRenderer() {}
 274
 275     static wxGraphicsRenderer* GetDefaultRenderer() {
 276         PyErr_SetString(PyExc_NotImplementedError,
 277                         "wx.GraphicsRenderer is not available on this platform.");
 278         return NULL;
 279     }
 280
 281     virtual wxGraphicsContext * CreateContext( const wxWindowDC& ) { return NULL; }
 282     virtual wxGraphicsContext * CreateContextFromNativeContext( void *  ) { return NULL; }
 283     virtual wxGraphicsContext * CreateContextFromNativeWindow( void *  )  { return NULL; }
 284     virtual wxGraphicsContext * CreateContext( wxWindow*  ) { return NULL; }
 285     virtual wxGraphicsContext * CreateMeasuringContext() { return NULL; }
 286
 287     virtual wxGraphicsPath CreatePath()  { return wxNullGraphicsPath; }
 288
 289     virtual wxGraphicsMatrix CreateMatrix( wxDouble , wxDouble , wxDouble , wxDouble ,
 290                                              wxDouble , wxDouble ) { return wxNullGraphicsMatrix; }
 291
 292     virtual wxGraphicsPen CreatePen(const wxPen& )  { return wxNullGraphicsPen; }
 293     virtual wxGraphicsBrush CreateBrush(const wxBrush&  )  { return wxNullGraphicsBrush; }
 294     virtual wxGraphicsBrush CreateLinearGradientBrush(wxDouble , wxDouble , wxDouble , wxDouble ,
 295                                                       const wxColour&, const wxColour&)  { return wxNullGraphicsBrush; }
 296     virtual wxGraphicsBrush CreateRadialGradientBrush(wxDouble , wxDouble , wxDouble , wxDouble , wxDouble ,
 297                                                       const wxColour &, const wxColour &)  { return wxNullGraphicsBrush; }
 298     virtual wxGraphicsFont CreateFont( const wxFont & , const wxColour & ) { return wxNullGraphicsFont; }
 299 };
 300
 301
 302
 303 class wxGCDC: public wxWindowDC
 304 {
 305 public:
 306     wxGCDC(const wxWindowDC&) {
 307         wxPyBlock_t blocked = wxPyBeginBlockThreads();
 308         PyErr_SetString(PyExc_NotImplementedError,
 309                         "wxGCDC is not available on this platform.");
 310         wxPyEndBlockThreads(blocked);
 311      }
 312
 313     wxGCDC(const wxWindow*) {
 314         wxPyBlock_t blocked = wxPyBeginBlockThreads();
 315         PyErr_SetString(PyExc_NotImplementedError,
 316                         "wxGCDC is not available on this platform.");
 317         wxPyEndBlockThreads(blocked);
 318      }
 319
 320     wxGCDC() {
 321         wxPyBlock_t blocked = wxPyBeginBlockThreads();
 322         PyErr_SetString(PyExc_NotImplementedError,
 323                         "wxGCDC is not available on this platform.");
 324         wxPyEndBlockThreads(blocked);
 325     }
 326
 327     virtual ~wxGCDC() {}
 328
 329     wxGraphicsContext* GetGraphicsContext() { return NULL; }
 330     void SetGraphicsContext( wxGraphicsContext* ) {}
 331 };
 332
 333 #endif
 334 %}
 335
 336 //---------------------------------------------------------------------------
 337 //---------------------------------------------------------------------------
 338
 339
 340 %typemap(in) (size_t points, wxPoint2D* points_array ) {
 341     $2 = wxPoint2D_LIST_helper($input, &$1);
 342     if ($2 == NULL) SWIG_fail;
 343 }
 344 %typemap(freearg) (size_t points, wxPoint2D* points_array ) {
 345     if ($2) delete [] $2;
 346 }
 347
 348
 349
 350 MustHaveApp(wxGraphicsPath);
 351 MustHaveApp(wxGraphicsContext);
 352 MustHaveApp(wxGCDC);
 353
 354 typedef double wxDouble;
 355
 356
 357 //---------------------------------------------------------------------------
 358
 359
 360 DocStr(wxGraphicsObject,
 361 "This class is the superclass of native graphics objects like pens
 362 etc. It provides the internal reference counting.  It is not to be
 363 instantiated by user code.", "");
 364 class wxGraphicsObject : public wxObject
 365 {
 366 public :
 367     wxGraphicsObject( wxGraphicsRenderer* renderer = NULL );
 368     virtual ~wxGraphicsObject();
 369
 370     DocDeclStr(
 371         bool , IsNull() const ,
 372         "Is this object valid (false) or still empty (true)?", "");
 373
 374     DocDeclStr(
 375         wxGraphicsRenderer* , GetRenderer() const,
 376         "Returns the renderer that was used to create this instance, or
 377 ``None`` if it has not been initialized yet.", "");
 378
 379 };
 380
 381
 382 DocStr(wxGraphicsPen,
 383 "A wx.GraphicsPen is a native representation of a pen. It is used for
 384 stroking a path on a `wx.GraphicsContext`. The contents are specific and
 385 private to the respective renderer. The only way to get a valid instance
 386 is via a CreatePen call on the graphics context or the renderer
 387 instance.", "");
 388 class wxGraphicsPen : public wxGraphicsObject
 389 {
 390 public :
 391     wxGraphicsPen();
 392     virtual ~wxGraphicsPen();
 393 };
 394
 395 DocStr(wxGraphicsBrush,
 396 "A wx.GraphicsBrush is a native representation of a brush. It is used
 397 for filling a path on a `wx.GraphicsContext`. The contents are
 398 specific and private to the respective renderer. The only way to get a
 399 valid instance is via a Create...Brush call on the graphics context or
 400 the renderer instance.", "");
 401 class wxGraphicsBrush : public wxGraphicsObject
 402 {
 403 public :
 404     wxGraphicsBrush();
 405     virtual ~wxGraphicsBrush();
 406 };
 407
 408
 409 DocStr(wxGraphicsFont,
 410 "A `wx.GraphicsFont` is a native representation of a font (including
 411 text colour). The contents are specific an private to the respective
 412 renderer.  The only way to get a valid instance is via a CreateFont
 413 call on the graphics context or the renderer instance.", "");
 414 class wxGraphicsFont : public wxGraphicsObject
 415 {
 416 public :
 417     wxGraphicsFont();
 418     virtual ~wxGraphicsFont();
 419 };
 420
 421
 422 //---------------------------------------------------------------------------
 423
 424 DocStr(wxGraphicsMatrix,
 425 "A wx.GraphicsMatrix is a native representation of an affine
 426 matrix. The contents are specific an private to the respective
 427 renderer. The only way to get a valid instance is via a CreateMatrix
 428 call on the graphics context or the renderer instance.", "");
 429 class wxGraphicsMatrix : public wxGraphicsObject
 430 {
 431 public :
 432     wxGraphicsMatrix();
 433     virtual ~wxGraphicsMatrix();
 434
 435     DocDeclStr(
 436         virtual void , Concat( const wxGraphicsMatrix& t ),
 437         "Concatenates the passed in matrix to the current matrix.", "");
 438
 439 //     %extend  {
 440 //         DocStr(Copy,
 441 //                "Copy the passed in matrix to this one.", "");
 442 //         void Copy( const wxGraphicsMatrix& t ) {
 443 //             *self = t;
 444 //         }
 445 //     }
 446
 447
 448     DocDeclStr(
 449         virtual void , Set(wxDouble a=1.0, wxDouble b=0.0, wxDouble c=0.0, wxDouble d=1.0,
 450                            wxDouble tx=0.0, wxDouble ty=0.0),
 451         "Sets the matrix to the specified values (default values are the
 452 identity matrix.)", "");
 453
 454
 455     DocDeclAStr(
 456         virtual void , Get(wxDouble* OUTPUT, wxDouble* OUTPUT, wxDouble* OUTPUT,
 457                            wxDouble* OUTPUT, wxDouble* OUTPUT, wxDouble* OUTPUT),
 458         "Get(self) --> (a, b, c, d, tx, ty)",
 459         "Gets the component values of the matrix and returns them as a tuple.", "");
 460
 461
 462     DocDeclStr(
 463         virtual void , Invert(),
 464         "Inverts the matrix.", "");
 465
 466
 467     DocDeclStr(
 468         virtual bool , IsEqual( const wxGraphicsMatrix& t) const,
 469         "Returns ``True`` if the elements of the transformation matrix are equal", "");
 470
 471
 472     DocDeclStr(
 473         virtual bool , IsIdentity() const,
 474         "Returns ``True`` if this is the identity matrix", "");
 475
 476
 477     DocDeclStr(
 478         virtual void , Translate( wxDouble dx , wxDouble dy ),
 479         "Add a translation to this matrix.", "");
 480
 481
 482     DocDeclStr(
 483         virtual void , Scale( wxDouble xScale , wxDouble yScale ),
 484         "Scales this matrix.", "");
 485
 486
 487     DocDeclStr(
 488         virtual void , Rotate( wxDouble angle ),
 489         "Rotates this matrix.  The angle should be specified in radians.", "");
 490
 491
 492     DocDeclAStr(
 493         virtual void , TransformPoint( wxDouble *INOUT, wxDouble *INOUT ) const,
 494         "TransformPoint(self, x, y) --> (x, y)",
 495         "Applies this matrix to a point, returns the resulting point values", "");
 496
 497
 498     DocDeclAStr(
 499         virtual void , TransformDistance( wxDouble *INOUT, wxDouble *INOUT ) const,
 500         "TransformDistance(self, dx, dy) --> (dx, dy)",
 501         "Applies this matrix to a distance (ie. performs all transforms except
 502 translations)", "");
 503
 504
 505     DocDeclStr(
 506         virtual void * , GetNativeMatrix() const,
 507         "Returns the native representation of the matrix. For CoreGraphics this
 508 is a CFAffineMatrix pointer. For GDIPlus a Matrix Pointer and for
 509 Cairo a cairo_matrix_t pointer.  NOTE: For wxPython we still need a
 510 way to make this value usable.", "");
 511 };
 512
 513 //---------------------------------------------------------------------------
 514
 515 class wxGraphicsPath : public wxGraphicsObject
 516 {
 517 public :
 518     wxGraphicsPath();
 519     virtual ~wxGraphicsPath();
 520
 521
 522     %nokwargs MoveToPoint;
 523     DocStr(MoveToPoint,
 524            "Begins a new subpath at the specified point.", "");
 525     virtual void  MoveToPoint( wxDouble x, wxDouble y );
 526     void MoveToPoint( const wxPoint2D& p);
 527
 528
 529     %nokwargs AddLineToPoint;
 530     DocStr(AddLineToPoint,
 531         "Adds a straight line from the current point to the specified point.", "");
 532     virtual void AddLineToPoint( wxDouble x, wxDouble y );
 533     void AddLineToPoint( const wxPoint2D& p);
 534
 535
 536     %nokwargs AddCurveToPoint;
 537     DocStr(AddCurveToPoint,
 538         "Adds a cubic Bezier curve from the current point, using two control
 539 points and an end point", "");
 540     virtual void AddCurveToPoint( wxDouble cx1, wxDouble cy1,
 541                                   wxDouble cx2, wxDouble cy2,
 542                                   wxDouble x, wxDouble y );
 543     void AddCurveToPoint( const wxPoint2D& c1, const wxPoint2D& c2, const wxPoint2D& e);
 544
 545
 546
 547     DocDeclStr(
 548         virtual void , AddPath( const wxGraphicsPath& path ),
 549         "Adds another path", "");
 550
 551
 552     DocDeclStr(
 553         virtual void , CloseSubpath(),
 554         "Closes the current sub-path.", "");
 555
 556
 557     DocDeclStr(
 558         wxPoint2D , GetCurrentPoint() const,
 559         "Gets the last point of the current path, (0,0) if not yet set", "");
 560
 561
 562     %nokwargs AddArc;
 563     DocStr(AddArc,
 564         "Adds an arc of a circle centering at (x,y) with radius (r) from
 565 startAngle to endAngle", "");
 566     virtual void AddArc( wxDouble x, wxDouble y, wxDouble r,
 567                          wxDouble startAngle, wxDouble endAngle, bool clockwise );
 568     void AddArc( const wxPoint2D& c, wxDouble r, wxDouble startAngle, wxDouble endAngle, bool clockwise);
 569
 570
 571     DocDeclStr(
 572         virtual void , AddQuadCurveToPoint( wxDouble cx, wxDouble cy, wxDouble x, wxDouble y ),
 573         "Adds a quadratic Bezier curve from the current point, using a control
 574 point and an end point", "");
 575
 576
 577     DocDeclStr(
 578         virtual void , AddRectangle( wxDouble x, wxDouble y, wxDouble w, wxDouble h ),
 579         "Appends a rectangle as a new closed subpath.", "");
 580
 581
 582     DocDeclStr(
 583         virtual void , AddCircle( wxDouble x, wxDouble y, wxDouble r ),
 584         "Appends a circle around (x,y) with radius r as a new closed subpath.", "");
 585
 586
 587     DocDeclStr(
 588         virtual void , AddArcToPoint( wxDouble x1, wxDouble y1 , wxDouble x2, wxDouble y2, wxDouble r ) ,
 589         "Appends an arc to two tangents connecting (current) to (x1,y1) and (x1,y1)
 590 to (x2,y2), also a straight line from (current) to (x1,y1)", "");
 591
 592
 593     DocDeclStr(
 594         virtual void , AddEllipse( wxDouble x, wxDouble y, wxDouble w, wxDouble h),
 595         "Appends an ellipse fitting into the passed in rectangle.", "");
 596
 597
 598     DocDeclStr(
 599         virtual void , AddRoundedRectangle( wxDouble x, wxDouble y, wxDouble w, wxDouble h, wxDouble radius),
 600         "Appends a rounded rectangle.", "");
 601
 602
 603     DocDeclStr(
 604         virtual void * , GetNativePath() const,
 605         "Returns the native path (CGPathRef for Core Graphics, Path pointer for
 606 GDIPlus and a cairo_path_t pointer for cairo).  NOTE: For wxPython we
 607 still need a way to make this value usable.", "");
 608
 609
 610     DocDeclStr(
 611         virtual void , UnGetNativePath(void *p) const,
 612         "Gives back the native path returned by GetNativePath() because there
 613 might be some deallocations necessary (eg on cairo the native path
 614 returned by GetNativePath is newly allocated each time).", "");
 615
 616
 617     DocDeclStr(
 618         virtual void , Transform( const wxGraphicsMatrix& matrix ),
 619         "Transforms each point of this path by the matrix", "");
 620
 621
 622     DocDeclStr(
 623         wxRect2D , GetBox() const,
 624         "Gets the bounding box enclosing all points (possibly including control points)", "");
 625
 626
 627     %nokwargs Contains;
 628     DocStr(Contains,
 629         "Returns ``True`` if the point is within the path.", "");
 630     virtual bool Contains( wxDouble x, wxDouble y, int fillStyle = wxODDEVEN_RULE) const;
 631     bool Contains( const wxPoint2D& c, int fillStyle = wxODDEVEN_RULE) const;
 632
 633 };
 634
 635
 636 //---------------------------------------------------------------------------
 637
 638 %immutable;
 639 const wxGraphicsPen     wxNullGraphicsPen;
 640 const wxGraphicsBrush   wxNullGraphicsBrush;
 641 const wxGraphicsFont    wxNullGraphicsFont;
 642 const wxGraphicsMatrix  wxNullGraphicsMatrix;
 643 const wxGraphicsPath    wxNullGraphicsPath;
 644 %mutable;
 645
 646 //---------------------------------------------------------------------------
 647
 648 DocStr(wxGraphicsContext,
 649 "A `wx.GraphicsContext` instance is the object that is drawn upon. It is
 650 created by a renderer using the CreateContext calls, this can be done
 651 either directly using a renderer instance, or indirectly using the
 652 static convenience CreateXXX functions of wx.GraphicsContext that
 653 always delegate the task to the default renderer.", "");
 654
 655 class wxGraphicsContext : public wxGraphicsObject
 656 {
 657 public:
 658     //wxGraphicsContext();         This is an ABC, use Create to make an instance...
 659     virtual ~wxGraphicsContext();
 660
 661     %newobject Create;
 662     %nokwargs Create;
 663     %pythonAppend Create
 664         "val.__dc = args[0] # save a ref so the dc will not be deleted before self";
 665     DocStr(Create,
 666            "Creates a wx.GraphicsContext either from a window or a DC.", "");
 667     static wxGraphicsContext* Create( const wxWindowDC& dc);
 668     static wxGraphicsContext* Create( wxWindow* window ) ;
 669
 670     DocDeclStrName(
 671         static wxGraphicsContext* , Create(),
 672         "Create a lightwieght context that can be used for measuring text only.", "",
 673         CreateMeasuringContext);
 674
 675     %newobject CreateFromNative;
 676     DocDeclStr(
 677         static wxGraphicsContext* , CreateFromNative( void * context ) ,
 678         "Creates a wx.GraphicsContext from a native context. This native context
 679 must be eg a CGContextRef for Core Graphics, a Graphics pointer for
 680 GDIPlus or a cairo_t pointer for Cairo.", "");
 681
 682
 683     %newobject CreateFromNative;
 684     DocDeclStr(
 685         static wxGraphicsContext* , CreateFromNativeWindow( void * window ) ,
 686         "Creates a wx.GraphicsContext from a native window.", "");
 687
 688
 689
 690     DocDeclStr(
 691         virtual wxGraphicsPath , CreatePath(),
 692         "Creates a native graphics path which is initially empty.", "");
 693
 694
 695     DocDeclStr(
 696         virtual wxGraphicsPen , CreatePen(const wxPen& pen),
 697         "Creates a native pen from a `wx.Pen`.", "");
 698
 699
 700     DocDeclStr(
 701         virtual wxGraphicsBrush , CreateBrush(const wxBrush& brush ),
 702         "Creates a native brush from a `wx.Brush`.", "");
 703
 704
 705     DocDeclStr(
 706         virtual wxGraphicsBrush ,
 707         CreateLinearGradientBrush( wxDouble x1, wxDouble y1, wxDouble x2, wxDouble y2,
 708                                    const wxColour& c1, const wxColour& c2),
 709         "Creates a native brush, having a linear gradient, starting at (x1,y1)
 710 with color c1 to (x2,y2) with color c2.", "");
 711
 712
 713     DocDeclStr(
 714         virtual wxGraphicsBrush ,
 715         CreateRadialGradientBrush( wxDouble xo, wxDouble yo, wxDouble xc, wxDouble yc, wxDouble radius,
 716                                    const wxColour &oColor, const wxColour &cColor),
 717         "Creates a native brush, having a radial gradient originating at
 718 point (xo,yc) with color oColour and ends on a circle around (xc,yc) with
 719 radius r and color cColour.", "");
 720
 721
 722     DocDeclStr(
 723         virtual wxGraphicsFont , CreateFont( const wxFont &font , const wxColour &col = *wxBLACK ),
 724         "Creates a native graphics font from a `wx.Font` and a text colour.", "");
 725
 726
 727     DocDeclStr(
 728         virtual wxGraphicsMatrix , CreateMatrix( wxDouble a=1.0, wxDouble b=0.0,
 729                                                  wxDouble c=0.0, wxDouble d=1.0,
 730                                                  wxDouble tx=0.0, wxDouble ty=0.0),
 731         "Creates a native affine transformation matrix from the passed in
 732 values. The defaults result in an identity matrix.", "");
 733
 734
 735
 736     DocDeclStr(
 737         virtual void , PushState(),
 738         "push the current state of the context, ie the transformation matrix on a stack", "");
 739
 740
 741     DocDeclStr(
 742         virtual void , PopState(),
 743         "pops a stored state from the stack", "");
 744
 745
 746     DocDeclStrName(
 747         virtual void , Clip( const wxRegion &region ),
 748         "Clips drawings to the region, combined to current clipping region.", "",
 749         ClipRegion);
 750
 751
 752     DocDeclStr(
 753         virtual void , Clip( wxDouble x, wxDouble y, wxDouble w, wxDouble h ),
 754         "Clips drawings to the rectangle.", "");
 755
 756
 757     DocDeclStr(
 758         virtual void , ResetClip(),
 759         "Resets the clipping to original shape.", "");
 760
 761
 762     DocDeclStr(
 763         virtual void * , GetNativeContext(),
 764         "Returns the native context (CGContextRef for Core Graphics, Graphics
 765 pointer for GDIPlus and cairo_t pointer for cairo).", "");
 766
 767
 768     DocDeclStr(
 769         virtual int , GetLogicalFunction() const,
 770         "Returns the current logical function.", "");
 771
 772
 773     DocDeclStr(
 774         virtual bool , SetLogicalFunction(int function) ,
 775         "Sets the current logical function, returns ``True`` if it supported", "");
 776
 777
 778     DocDeclStr(
 779         virtual void , Translate( wxDouble dx , wxDouble dy ),
 780         "Translates the current transformation matrix.", "");
 781
 782
 783     DocDeclStr(
 784         virtual void , Scale( wxDouble xScale , wxDouble yScale ),
 785         "Scale the current transformation matrix of the context.", "");
 786
 787
 788     DocDeclStr(
 789         virtual void , Rotate( wxDouble angle ),
 790         "Rotate the current transformation matrix of the context.  ``angle`` is
 791 specified in radians.", "");
 792
 793
 794     DocDeclStr(
 795         virtual void , ConcatTransform( const wxGraphicsMatrix& matrix ),
 796         "Concatenates the passed in transform with the current transform of
 797 this context.", "");
 798
 799
 800     DocDeclStr(
 801         virtual void , SetTransform( const wxGraphicsMatrix& matrix ),
 802         "Sets the current transform of this context.", "");
 803
 804
 805     DocDeclStr(
 806         virtual wxGraphicsMatrix , GetTransform() const,
 807         "Gets the current transformation matrix of this context.", "");
 808
 809
 810
 811
 812     DocStr(SetPen, "Sets the stroke pen", "");
 813     %nokwargs SetPen;
 814     virtual void SetPen( const wxGraphicsPen& pen );
 815     void SetPen( const wxPen& pen );
 816
 817
 818     DocStr(SetBrush, "Sets the brush for filling", "");
 819     %nokwargs SetBrush;
 820     virtual void SetBrush( const wxGraphicsBrush& brush );
 821     void SetBrush( const wxBrush& brush );
 822
 823
 824     DocStr(SetFont, "Sets the font", "");
 825     %nokwargs SetFont;
 826     virtual void SetFont( const wxGraphicsFont& font );
 827     void SetFont( const wxFont& font, const wxColour& colour = *wxBLACK);
 828
 829
 830
 831     DocDeclStr(
 832         virtual void , StrokePath( const wxGraphicsPath& path ),
 833         "Strokes along a path with the current pen.", "");
 834
 835
 836     DocDeclStr(
 837         virtual void , FillPath( const wxGraphicsPath& path, int fillStyle = wxODDEVEN_RULE ),
 838         "Fills a path with the current brush.", "");
 839
 840
 841     DocDeclStr(
 842         virtual void , DrawPath( const wxGraphicsPath& path, int fillStyle = wxODDEVEN_RULE ),
 843         "Draws the path by first filling and then stroking.", "");
 844
 845
 846     %extend {
 847         DocStr(DrawText,
 848                "Draws a text string at the defined position.", "");
 849         void DrawText( const wxString &str, wxDouble x, wxDouble y,
 850                        const wxGraphicsBrush& backgroundBrush = wxNullGraphicsBrush )
 851         {
 852             if ( !backgroundBrush.IsNull() )
 853                 self->DrawText(str, x, y, backgroundBrush);
 854             else
 855                 self->DrawText(str, x, y);
 856         }
 857
 858         DocStr(DrawRotatedText,
 859                "Draws a text string at the defined position, at the specified angle,
 860 which is given in radians.", "");
 861         void DrawRotatedText(  const wxString &str, wxDouble x, wxDouble y, wxDouble angle,
 862                                const wxGraphicsBrush& backgroundBrush = wxNullGraphicsBrush )
 863         {
 864             if ( !backgroundBrush.IsNull() )
 865                 self->DrawText(str, x, y, angle, backgroundBrush);
 866             else
 867                 self->DrawText(str, x, y, angle);
 868         }
 869     }
 870
 871
 872
 873     DocDeclAStrName(
 874         virtual void , GetTextExtent( const wxString &text,
 875                                       wxDouble *OUTPUT /*width*/,
 876                                       wxDouble *OUTPUT /*height*/,
 877                                       wxDouble *OUTPUT /*descent*/,
 878                                       wxDouble *OUTPUT /*externalLeading*/ ) const ,
 879         "GetFullTextExtent(self, text) --> (width, height, descent, externalLeading)",
 880         "Gets the dimensions of the string using the currently selected
 881 font. ``text`` is the string to measure, ``w`` and ``h`` are the total
 882 width and height respectively, ``descent`` is the dimension from the
 883 baseline of the font to the bottom of the descender, and
 884 ``externalLeading`` is any extra vertical space added to the font by
 885 the font designer (usually is zero).", "",
 886         GetFullTextExtent);
 887
 888     %extend {
 889         DocAStr(GetTextExtent,
 890                 "GetTextExtent(self, text) --> (width, height)",
 891                 "Gets the dimensions of the string using the currently selected
 892 font. ``text`` is the string to measure, ``w`` and ``h`` are the total
 893 width and height respectively.", "");
 894
 895         PyObject* GetTextExtent( const wxString &text )
 896         {
 897             wxDouble width = 0.0,
 898                      height = 0.0;
 899             self->GetTextExtent(text, &width, &height, NULL, NULL);
 900             // thread wrapers are turned off for this .i file, so no need to acquire GIL...
 901             PyObject* rv = PyTuple_New(2);
 902             PyTuple_SET_ITEM(rv, 0, PyFloat_FromDouble(width));
 903             PyTuple_SET_ITEM(rv, 1, PyFloat_FromDouble(height));
 904             return rv;
 905         }
 906     }
 907
 908
 909     %extend {
 910         DocAStr(GetPartialTextExtents,
 911                 "GetPartialTextExtents(self, text) -> [widths]",
 912                 "Returns a list of widths from the beginning of ``text`` to the
 913 coresponding character in ``text``.", "");
 914         wxArrayDouble GetPartialTextExtents(const wxString& text) {
 915             wxArrayDouble widths;
 916             self->GetPartialTextExtents(text, widths);
 917             return widths;
 918         }
 919     }
 920
 921
 922     DocDeclStr(
 923         virtual void , DrawBitmap( const wxBitmap &bmp, wxDouble x, wxDouble y, wxDouble w, wxDouble h ),
 924         "Draws the bitmap. In case of a mono bitmap, this is treated as a mask
 925 and the current brush is used for filling.", "");
 926
 927
 928     DocDeclStr(
 929         virtual void , DrawIcon( const wxIcon &icon, wxDouble x, wxDouble y, wxDouble w, wxDouble h ),
 930         "Draws the icon.", "");
 931
 932
 933
 934     DocDeclStr(
 935         virtual void , StrokeLine( wxDouble x1, wxDouble y1, wxDouble x2, wxDouble y2),
 936         "Strokes a single line.", "");
 937
 938
 939     DocDeclAStr(
 940         virtual void , StrokeLines( size_t points, const wxPoint2D *points_array),
 941         "StrokeLines(self, List points)",
 942         "Stroke lines connecting each of the points", "");
 943
 944
 945     %extend {
 946         DocStr(StrokeLineSegements,
 947                "Stroke disconnected lines from begin to end points", "");
 948         void StrokeLineSegements(PyObject* beginPoints, PyObject* endPoints)
 949         {
 950             size_t c1, c2, count;
 951             wxPoint2D* beginP = wxPoint2D_LIST_helper(beginPoints, &c1);
 952             wxPoint2D* endP =   wxPoint2D_LIST_helper(endPoints, &c2);
 953
 954             if ( beginP != NULL && endP != NULL )
 955             {
 956                 count = wxMin(c1, c2);
 957                 self->StrokeLines(count, beginP, endP);
 958             }
 959             delete [] beginP;
 960             delete [] endP;
 961         }
 962     }
 963
 964
 965     DocDeclStr(
 966         virtual void , DrawLines( size_t points, const wxPoint2D *points_array,
 967                                   int fillStyle = wxODDEVEN_RULE ),
 968         "Draws a polygon.", "");
 969
 970
 971     DocDeclStr(
 972         virtual void , DrawRectangle( wxDouble x, wxDouble y, wxDouble w, wxDouble h),
 973         "Draws a rectangle.", "");
 974
 975
 976     DocDeclStr(
 977         virtual void , DrawEllipse( wxDouble x, wxDouble y, wxDouble w, wxDouble h),
 978         "Draws an ellipse.", "");
 979
 980
 981     DocDeclStr(
 982         virtual void , DrawRoundedRectangle( wxDouble x, wxDouble y, wxDouble w, wxDouble h, wxDouble radius),
 983         "Draws a rounded rectangle", "");
 984
 985
 986
 987     DocDeclStr(
 988         virtual bool , ShouldOffset() const,
 989         "helper to determine if a 0.5 offset should be applied for the drawing operation", "");
 990
 991 };
 992
 993
 994 //---------------------------------------------------------------------------
 995
 996 class wxGraphicsRenderer : public wxObject
 997 {
 998 public :
 999     // wxGraphicsRenderer();  This is an ABC, use GetDefaultRenderer
1000
1001     virtual ~wxGraphicsRenderer();
1002
1003     // %newobject GetDefaultRenderer;  ???
1004     static wxGraphicsRenderer* GetDefaultRenderer();
1005
1006     %nokwargs CreateContext;
1007     %newobject CreateContext;
1008     virtual wxGraphicsContext * CreateContext( const wxWindowDC& dc) ;
1009     virtual wxGraphicsContext * CreateContext( wxWindow* window );
1010
1011     // create a context that can be used for measuring texts only, no drawing allowed
1012     virtual wxGraphicsContext * CreateMeasuringContext();
1013
1014     %newobject CreateContextFromNativeContext;
1015     virtual wxGraphicsContext * CreateContextFromNativeContext( void * context );
1016
1017     %newobject CreateContextFromNativeWindow;
1018     virtual wxGraphicsContext * CreateContextFromNativeWindow( void * window );
1019
1020
1021     virtual wxGraphicsPath CreatePath();
1022
1023     virtual wxGraphicsMatrix CreateMatrix( wxDouble a=1.0, wxDouble b=0.0, wxDouble c=0.0, wxDouble d=1.0,
1024                                            wxDouble tx=0.0, wxDouble ty=0.0);
1025
1026     virtual wxGraphicsPen CreatePen(const wxPen& pen) ;
1027
1028     virtual wxGraphicsBrush CreateBrush(const wxBrush& brush ) ;
1029
1030     virtual wxGraphicsBrush CreateLinearGradientBrush( wxDouble x1, wxDouble y1, wxDouble x2, wxDouble y2,
1031                                                         const wxColour&c1, const wxColour&c2);
1032
1033     virtual wxGraphicsBrush CreateRadialGradientBrush( wxDouble xo, wxDouble yo, wxDouble xc, wxDouble yc, wxDouble radius,
1034                                                         const wxColour &oColor, const wxColour &cColor);
1035
1036     virtual wxGraphicsFont CreateFont( const wxFont &font , const wxColour &col = *wxBLACK );
1037
1038 };
1039
1040
1041
1042 //---------------------------------------------------------------------------
1043
1044 %{
1045 #include "wx/dcgraph.h"
1046 %}
1047
1048 class wxGCDC: public wxDC
1049 {
1050 public:
1051     %nokwargs wxGCDC;
1052     %pythonAppend wxGCDC
1053         "self.__dc = args[0] # save a ref so the other dc will not be deleted before self";
1054     wxGCDC(const wxWindowDC& dc);
1055     wxGCDC(wxWindow* window);
1056     //wxGCDC();
1057     virtual ~wxGCDC();
1058
1059     wxGraphicsContext* GetGraphicsContext();
1060     virtual void SetGraphicsContext( wxGraphicsContext* ctx );
1061
1062     %property(GraphicsContext, GetGraphicsContext, SetGraphicsContext);
1063 };
1064
1065
1066 //---------------------------------------------------------------------------
1067
1068 // Turn GIL acquisition back on.
1069 %threadWrapperOn
1070