-class WXDLLIMPEXP_CORE wxGraphicsPathData : public wxGraphicsObjectRefData
-{
-public :
- wxGraphicsPathData(wxGraphicsRenderer* renderer) : wxGraphicsObjectRefData(renderer) {}
- virtual ~wxGraphicsPathData() {}
-
- //
- // These are the path primitives from which everything else can be constructed
- //
-
- // begins a new subpath at (x,y)
- virtual void MoveToPoint( wxDouble x, wxDouble y ) = 0;
-
- // adds a straight line from the current point to (x,y)
- virtual void AddLineToPoint( wxDouble x, wxDouble y ) = 0;
-
- // adds a cubic Bezier curve from the current point, using two control points and an end point
- virtual void AddCurveToPoint( wxDouble cx1, wxDouble cy1, wxDouble cx2, wxDouble cy2, wxDouble x, wxDouble y ) = 0;
-
- // adds another path
- virtual void AddPath( const wxGraphicsPathData* path ) =0;
-
- // closes the current sub-path
- virtual void CloseSubpath() = 0;
-
- // gets the last point of the current path, (0,0) if not yet set
- virtual void GetCurrentPoint( wxDouble* x, wxDouble* y) const = 0;
-
- // adds an arc of a circle centering at (x,y) with radius (r) from startAngle to endAngle
- virtual void AddArc( wxDouble x, wxDouble y, wxDouble r, wxDouble startAngle, wxDouble endAngle, bool clockwise ) = 0;
-
- //
- // These are convenience functions which - if not available natively will be assembled
- // using the primitives from above
- //
-
- // adds a quadratic Bezier curve from the current point, using a control point and an end point
- virtual void AddQuadCurveToPoint( wxDouble cx, wxDouble cy, wxDouble x, wxDouble y );
-
- // appends a rectangle as a new closed subpath
- virtual void AddRectangle( wxDouble x, wxDouble y, wxDouble w, wxDouble h );
-
- // appends an ellipsis as a new closed subpath fitting the passed rectangle
- virtual void AddCircle( wxDouble x, wxDouble y, wxDouble r );
-
- // appends 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)
- virtual void AddArcToPoint( wxDouble x1, wxDouble y1 , wxDouble x2, wxDouble y2, wxDouble r ) ;
-
- // appends an ellipse
- virtual void AddEllipse( wxDouble x, wxDouble y, wxDouble w, wxDouble h);
-
- // appends a rounded rectangle
- virtual void AddRoundedRectangle( wxDouble x, wxDouble y, wxDouble w, wxDouble h, wxDouble radius);
-
- // returns the native path
- virtual void * GetNativePath() const = 0;
-
- // give the native path returned by GetNativePath() back (there might be some deallocations necessary)
- virtual void UnGetNativePath(void *p) const= 0;
-
- // transforms each point of this path by the matrix
- virtual void Transform( const wxGraphicsMatrixData* matrix ) =0;
-
- // gets the bounding box enclosing all points (possibly including control points)
- virtual void GetBox(wxDouble *x, wxDouble *y, wxDouble *w, wxDouble *h) const=0;
-
- virtual bool Contains( wxDouble x, wxDouble y, int fillStyle = wxODDEVEN_RULE) const=0;
-};
-