dc.h

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    }
    bool Blit(const wxPoint& destPt, const wxSize& sz,
              wxDC *source, const wxPoint& srcPt,
              int rop = wxCOPY, bool useMask = false, const wxPoint& srcPtMask = wxDefaultPosition)
    {
        return DoBlit(destPt.x, destPt.y, sz.x, sz.y,
                      source, srcPt.x, srcPt.y, rop, useMask, srcPtMask.x, srcPtMask.y);
    }

#if wxUSE_SPLINES
    // TODO: this API needs fixing (wxPointList, why (!const) "wxList *"?)
    void DrawSpline(wxCoord x1, wxCoord y1,
                    wxCoord x2, wxCoord y2,
                    wxCoord x3, wxCoord y3);
    void DrawSpline(int n, wxPoint points[]);

    void DrawSpline(wxList *points) { DoDrawSpline(points); }
#endif // wxUSE_SPLINES

    // Eventually we will have wxUSE_GENERIC_DRAWELLIPSE
#ifdef __WXWINCE__
    //! Generic method to draw ellipses, circles and arcs with current pen and brush.
    /*! \param x Upper left corner of bounding box.
     *  \param y Upper left corner of bounding box.
     *  \param w Width of bounding box.
     *  \param h Height of bounding box.
     *  \param sa Starting angle of arc
     *            (counterclockwise, start at 3 o'clock, 360 is full circle).
     *  \param ea Ending angle of arc.
     *  \param angle Rotation angle, the Arc will be rotated after
     *               calculating begin and end.
     */
    void DrawEllipticArcRot( wxCoord x, wxCoord y,
                             wxCoord width, wxCoord height,
                             double sa = 0, double ea = 0, double angle = 0 )
    { DoDrawEllipticArcRot( x, y, width, height, sa, ea, angle ); }

    void DrawEllipticArcRot( const wxPoint& pt,
                             const wxSize& sz,
                             double sa = 0, double ea = 0, double angle = 0 )
    { DoDrawEllipticArcRot( pt.x, pt.y, sz.x, sz.y, sa, ea, angle ); }

    void DrawEllipticArcRot( const wxRect& rect,
                             double sa = 0, double ea = 0, double angle = 0 )
    { DoDrawEllipticArcRot( rect.x, rect.y, rect.width, rect.height, sa, ea, angle ); }

    virtual void DoDrawEllipticArcRot( wxCoord x, wxCoord y,
                                       wxCoord w, wxCoord h,
                                       double sa = 0, double ea = 0, double angle = 0 );

    //! Rotates points around center.
    /*! This is a quite straight method, it calculates in pixels
     *  and so it produces rounding errors.
     *  \param points The points inside will be rotated.
     *  \param angle Rotating angle (counterclockwise, start at 3 o'clock, 360 is full circle).
     *  \param center Center of rotation.
     */
    void Rotate( wxList* points, double angle, wxPoint center = wxPoint(0,0) );

    // used by DrawEllipticArcRot
    // Careful: wxList gets filled with points you have to delete later.
    void CalculateEllipticPoints( wxList* points,
                                  wxCoord xStart, wxCoord yStart,
                                  wxCoord w, wxCoord h,
                                  double sa, double ea );
#endif

    // global DC operations
    // --------------------

    virtual void Clear() = 0;

    virtual bool StartDoc(const wxString& WXUNUSED(message)) { return true; }
    virtual void EndDoc() { }

    virtual void StartPage() { }
    virtual void EndPage() { }

    // set objects to use for drawing
    // ------------------------------

    virtual void SetFont(const wxFont& font) = 0;
    virtual void SetPen(const wxPen& pen) = 0;
    virtual void SetBrush(const wxBrush& brush) = 0;
    virtual void SetBackground(const wxBrush& brush) = 0;
    virtual void SetBackgroundMode(int mode) = 0;
#if wxUSE_PALETTE
    virtual void SetPalette(const wxPalette& palette) = 0;
#endif // wxUSE_PALETTE

    // clipping region
    // ---------------

    void SetClippingRegion(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
        { DoSetClippingRegion(x, y, width, height); }
    void SetClippingRegion(const wxPoint& pt, const wxSize& sz)
        { DoSetClippingRegion(pt.x, pt.y, sz.x, sz.y); }
    void SetClippingRegion(const wxRect& rect)
        { DoSetClippingRegion(rect.x, rect.y, rect.width, rect.height); }
    void SetClippingRegion(const wxRegion& region)
        { DoSetClippingRegionAsRegion(region); }

    virtual void DestroyClippingRegion() { ResetClipping(); }

    void GetClippingBox(wxCoord *x, wxCoord *y, wxCoord *w, wxCoord *h) const
        { DoGetClippingBox(x, y, w, h); }
    void GetClippingBox(wxRect& rect) const
        {
          DoGetClippingBox(&rect.x, &rect.y, &rect.width, &rect.height);
        }

    // text extent
    // -----------

    virtual wxCoord GetCharHeight() const = 0;
    virtual wxCoord GetCharWidth() const = 0;

    // only works for single line strings
    void GetTextExtent(const wxString& string,
                       wxCoord *x, wxCoord *y,
                       wxCoord *descent = NULL,
                       wxCoord *externalLeading = NULL,
                       wxFont *theFont = NULL) const
        { DoGetTextExtent(string, x, y, descent, externalLeading, theFont); }

    // works for single as well as multi-line strings
    virtual void GetMultiLineTextExtent(const wxString& text,
                                        wxCoord *width,
                                        wxCoord *height,
                                        wxCoord *heightLine = NULL,
                                        wxFont *font = NULL);

    // Measure cumulative width of text after each character
    bool GetPartialTextExtents(const wxString& text, wxArrayInt& widths) const
        { return DoGetPartialTextExtents(text, widths); }


    // size and resolution
    // -------------------

    // in device units
    void GetSize(int *width, int *height) const
        { DoGetSize(width, height); }
    wxSize GetSize() const
    {
        int w, h;
        DoGetSize(&w, &h);

        return wxSize(w, h);
    }

    // in mm
    void GetSizeMM(int* width, int* height) const
        { DoGetSizeMM(width, height); }
    wxSize GetSizeMM() const
    {
        int w, h;
        DoGetSizeMM(&w, &h);

        return wxSize(w, h);
    }

    // coordinates conversions
    // -----------------------

    // This group of functions does actual conversion of the input, as you'd
    // expect.
    wxCoord DeviceToLogicalX(wxCoord x) const;
    wxCoord DeviceToLogicalY(wxCoord y) const;
    wxCoord DeviceToLogicalXRel(wxCoord x) const;
    wxCoord DeviceToLogicalYRel(wxCoord y) const;
    wxCoord LogicalToDeviceX(wxCoord x) const;
    wxCoord LogicalToDeviceY(wxCoord y) const;
    wxCoord LogicalToDeviceXRel(wxCoord x) const;
    wxCoord LogicalToDeviceYRel(wxCoord y) const;

    // query DC capabilities
    // ---------------------

    virtual bool CanDrawBitmap() const = 0;
    virtual bool CanGetTextExtent() const = 0;

    // colour depth
    virtual int GetDepth() const = 0;

    // Resolution in Pixels per inch
    virtual wxSize GetPPI() const = 0;

    virtual bool Ok() const { return m_ok; }

    // accessors and setters
    // ---------------------

    int GetBackgroundMode() const { return m_backgroundMode; }
    const wxBrush&  GetBackground() const { return m_backgroundBrush; }
    const wxBrush&  GetBrush() const { return m_brush; }
    const wxFont&   GetFont() const { return m_font; }
    const wxPen&    GetPen() const { return m_pen; }

    const wxColour& GetTextForeground() const { return m_textForegroundColour; }
    const wxColour& GetTextBackground() const { return m_textBackgroundColour; }
    virtual void SetTextForeground(const wxColour& colour)
        { m_textForegroundColour = colour; }
    virtual void SetTextBackground(const wxColour& colour)
        { m_textBackgroundColour = colour; }

    int GetMapMode() const { return m_mappingMode; }
    virtual void SetMapMode(int mode) = 0;

    virtual void GetUserScale(double *x, double *y) const
    {
        if ( x ) *x = m_userScaleX;
        if ( y ) *y = m_userScaleY;
    }
    virtual void SetUserScale(double x, double y) = 0;

    virtual void GetLogicalScale(double *x, double *y)
    {
        if ( x ) *x = m_logicalScaleX;
        if ( y ) *y = m_logicalScaleY;
    }
    virtual void SetLogicalScale(double x, double y)
    {
        m_logicalScaleX = x;
        m_logicalScaleY = y;
    }

    void GetLogicalOrigin(wxCoord *x, wxCoord *y) const
        { DoGetLogicalOrigin(x, y); }
    wxPoint GetLogicalOrigin() const
        { wxCoord x, y; DoGetLogicalOrigin(&x, &y); return wxPoint(x, y); }
    virtual void SetLogicalOrigin(wxCoord x, wxCoord y) = 0;

    void GetDeviceOrigin(wxCoord *x, wxCoord *y) const
        { DoGetDeviceOrigin(x, y); }
    wxPoint GetDeviceOrigin() const
        { wxCoord x, y; DoGetDeviceOrigin(&x, &y); return wxPoint(x, y); }
    virtual void SetDeviceOrigin(wxCoord x, wxCoord y) = 0;

    virtual void ComputeScaleAndOrigin() {}

    virtual void SetAxisOrientation(bool xLeftRight, bool yBottomUp) = 0;

    int GetLogicalFunction() const { return m_logicalFunction; }
    virtual void SetLogicalFunction(int function) = 0;

#if WXWIN_COMPATIBILITY_2_4
    virtual void SetOptimization(bool WXUNUSED(opt)) { }
    virtual bool GetOptimization() { return false; }
#endif

    // bounding box
    // ------------

    virtual void CalcBoundingBox(wxCoord x, wxCoord y)
    {
      if ( m_isBBoxValid )
      {
         if ( x < m_minX ) m_minX = x;
         if ( y < m_minY ) m_minY = y;
         if ( x > m_maxX ) m_maxX = x;
         if ( y > m_maxY ) m_maxY = y;
      }
      else
      {
         m_isBBoxValid = true;

         m_minX = x;
         m_minY = y;
         m_maxX = x;
         m_maxY = y;
      }
    }

    void ResetBoundingBox()
    {
        m_isBBoxValid = false;

        m_minX = m_maxX = m_minY = m_maxY = 0;
    }

    // Get the final bounding box of the PostScript or Metafile picture.
    wxCoord MinX() const { return m_minX; }
    wxCoord MaxX() const { return m_maxX; }
    wxCoord MinY() const { return m_minY; }
    wxCoord MaxY() const { return m_maxY; }

    // misc old functions
    // ------------------

    // for compatibility with the old code when wxCoord was long everywhere
    void GetTextExtent(const wxString& string,
                       long *x, long *y,