+
+ virtual void SetTextForeground(const wxColour& colour);
+ virtual void SetTextBackground(const wxColour& colour);
+
+ virtual wxCoord GetCharHeight() const;
+ virtual wxCoord GetCharWidth() const;
+ virtual void DoGetTextExtent(const wxString& string,
+ wxCoord *x, wxCoord *y,
+ wxCoord *descent = NULL,
+ wxCoord *externalLeading = NULL,
+ const wxFont *theFont = NULL) const;
+
+ virtual bool CanDrawBitmap() const;
+ virtual bool CanGetTextExtent() const;
+
+ virtual int GetDepth() const;
+ virtual wxSize GetPPI() const;
+
+ virtual void DestroyClippingRegion();
+
+ // Helper function for setting clipping
+ void SetDCClipping(WXRegion region);
+
+ // implementation from now on
+ // --------------------------
+
+ WXGC GetGC() const { return m_gc; }
+ WXGC GetBackingGC() const { return m_gcBacking; }
+ WXDisplay* GetDisplay() const { return m_display; }
+ bool GetAutoSetting() const { return (m_autoSetting != 0); } // See comment in dcclient.cpp
+ void SetAutoSetting(bool flag) { m_autoSetting = flag; }
+
+protected:
+ // note that this function will call colour.SetPixel,
+ // and will do one of curCol = colour, curCol = wxWHITE, curCol = wxBLACK
+ // roundToWhite has an effect for monochrome display only
+ // if roundToWhite == true then the colour will be set to white unless
+ // it is RGB 0x000000;if roundToWhite == true the colour wull be set to
+ // black unless it id RGB 0xffffff
+ WXPixel CalculatePixel(wxColour& colour, wxColour& curCol,
+ bool roundToWhite) const;
+ // sets the foreground pixel taking into account the
+ // currently selected logical operation
+ void SetForegroundPixelWithLogicalFunction(WXPixel pixel);
+
+ virtual bool DoFloodFill(wxCoord x, wxCoord y, const wxColour& col,
+ int style = wxFLOOD_SURFACE);
+
+ virtual bool DoGetPixel(wxCoord x, wxCoord y, wxColour *col) const;
+
+ virtual void DoDrawPoint(wxCoord x, wxCoord y);
+ virtual void DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2);
+
+ virtual void DoDrawArc(wxCoord x1, wxCoord y1,
+ wxCoord x2, wxCoord y2,
+ wxCoord xc, wxCoord yc);
+ virtual void DoDrawEllipticArc(wxCoord x, wxCoord y, wxCoord w, wxCoord h,
+ double sa, double ea);
+
+ virtual void DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
+ virtual void DoDrawRoundedRectangle(wxCoord x, wxCoord y,
+ wxCoord width, wxCoord height,
+ double radius);
+ virtual void DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
+
+ virtual void DoCrossHair(wxCoord x, wxCoord y);
+
+ virtual void DoDrawText(const wxString& text, wxCoord x, wxCoord y);
+ virtual void DoDrawRotatedText(const wxString &text, wxCoord x, wxCoord y, double angle);
+
+ virtual bool DoBlit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
+ wxDC *source, wxCoord xsrc, wxCoord ysrc,
+ int rop = wxCOPY, bool useMask = false, wxCoord xsrcMask = -1, wxCoord ysrcMask = -1);
+
+ virtual void DoSetClippingRegionAsRegion(const wxRegion& region);
+ virtual void DoSetClippingRegion(wxCoord x, wxCoord y,
+ wxCoord width, wxCoord height);
+
+ virtual void DoDrawLines(int n, wxPoint points[],
+ wxCoord xoffset, wxCoord yoffset);
+ virtual void DoDrawPolygon(int n, wxPoint points[],
+ wxCoord xoffset, wxCoord yoffset,
+ int fillStyle = wxODDEVEN_RULE);
+
+ void DoGetSize( int *width, int *height ) const;
+
+ // common part of constructors
+ void Init();
+
+ WXGC m_gc;
+ WXGC m_gcBacking;
+ WXDisplay* m_display;
+ wxWindow* m_window;
+ // Pixmap for drawing on
+ WXPixmap m_pixmap;
+ // Last clipping region set on th GC, this is the combination
+ // of paint clipping region and all user-defined clipping regions
+ WXRegion m_clipRegion;
+
+ // Not sure if we'll need all of these
+ WXPixel m_backgroundPixel;
+ wxColour m_currentColour;
+ int m_currentPenWidth ;
+ int m_currentPenJoin ;
+ int m_currentPenCap ;
+ int m_currentPenDashCount ;
+ wxX11Dash* m_currentPenDash ;
+ wxBitmap m_currentStipple ;
+ int m_currentStyle ;
+ int m_currentFill ;
+ int m_autoSetting ; // See comment in dcclient.cpp
+
+ DECLARE_DYNAMIC_CLASS(wxWindowDCImpl)
+};
+
+class WXDLLEXPORT wxPaintDCImpl: public wxWindowDCImpl
+{
+public:
+ wxPaintDCImpl(wxDC *owner) : wxWindowDCImpl(owner) { }
+ wxPaintDCImpl(wxDC *owner, wxWindow* win);
+
+ virtual ~wxPaintDCImpl();
+
+ DECLARE_DYNAMIC_CLASS(wxPaintDCImpl)
+};
+
+class WXDLLEXPORT wxClientDCImpl: public wxWindowDCImpl
+{
+public:
+ wxClientDCImpl(wxDC *owner) : wxWindowDCImpl(owner) { }
+ wxClientDCImpl(wxDC *owner, wxWindow* win)
+ : wxWindowDCImpl(owner, win) { }
+
+ DECLARE_DYNAMIC_CLASS(wxClientDCImpl)