- virtual void FloodFill(long x1, long y1, const wxColour& col, int style=wxFLOOD_SURFACE) ;
- inline void FloodFill(const wxPoint& pt, const wxColour& col, int style=wxFLOOD_SURFACE)
- {
- FloodFill(pt.x, pt.y, col, style);
- }
-
- virtual bool GetPixel(long x1, long y1, wxColour *col) const ;
- inline bool GetPixel(const wxPoint& pt, wxColour *col) const
- {
- return GetPixel(pt.x, pt.y, col);
- }
-
- virtual void DrawLine(long x1, long y1, long x2, long y2);
- inline void DrawLine(const wxPoint& pt1, const wxPoint& pt2)
- {
- DrawLine(pt1.x, pt1.y, pt2.x, pt2.y);
- }
-
- virtual void CrossHair(long x, long y) ;
- inline void CrossHair(const wxPoint& pt)
- {
- CrossHair(pt.x, pt.y);
- }
-
- virtual void DrawArc(long x1,long y1,long x2,long y2,long xc, long yc);
- inline void DrawArc(const wxPoint& pt1, const wxPoint& pt2, const wxPoint& centre)
- {
- DrawArc(pt1.x, pt1.y, pt2.x, pt2.y, centre.x, centre.y);
- }
-
- virtual void DrawEllipticArc (long x, long y, long w, long h, double sa, double ea);
- virtual void DrawEllipticArc (const wxPoint& pt, const wxSize& sz, double sa, double ea)
- {
- DrawEllipticArc(pt.x, pt.y, sz.x, sz.y, sa, ea);
- }
-
- virtual void DrawPoint(long x, long y);
- inline void DrawPoint(const wxPoint& pt)
- {
- DrawPoint(pt.x, pt.y);
- }
-
- virtual void DrawLines(int n, wxPoint points[], long xoffset = 0, long yoffset = 0);
-
- virtual void DrawPolygon(int n, wxPoint points[], long xoffset = 0, long yoffset = 0, int fillStyle=wxODDEVEN_RULE);
-
- virtual void DrawRectangle(long x, long y, long width, long height);
- inline void DrawRectangle(const wxPoint& pt, const wxSize& sz)
- {
- DrawRectangle(pt.x, pt.y, sz.x, sz.y);
- }
- inline void DrawRectangle(const wxRect& rect)
- {
- DrawRectangle(rect.x, rect.y, rect.width, rect.height);
- }
-
- virtual void DrawRoundedRectangle(long x, long y, long width, long height, double radius = 20.0);
- inline void DrawRoundedRectangle(const wxPoint& pt, const wxSize& sz, double radius = 20.0)
- {
- DrawRoundedRectangle(pt.x, pt.y, sz.x, sz.y, radius);
- }
- inline void DrawRoundedRectangle(const wxRect& rect, double radius = 20.0)
- {
- DrawRoundedRectangle(rect.x, rect.y, rect.width, rect.height, radius);
- }
-
- virtual void DrawEllipse(long x, long y, long width, long height);
- inline void DrawEllipse(const wxPoint& pt, const wxSize& sz)
- {
- DrawEllipse(pt.x, pt.y, sz.x, sz.y);
- }
- inline void DrawEllipse(const wxRect& rect)
- {
- DrawEllipse(rect.x, rect.y, rect.width, rect.height);
- }
-
- virtual void DrawIcon(const wxIcon& icon, long x, long y);
- inline void DrawIcon(const wxIcon& icon, const wxPoint& pt)
- {
- DrawIcon(icon, pt.x, pt.y);
- }
-
- virtual void DrawBitmap( const wxBitmap &bmp, long x, long y, bool useMask=FALSE );
-
- inline void DrawPoint(wxPoint& point) { DrawPoint(point.x, point.y); }
- virtual void DrawLines(wxList *list, long xoffset = 0, long yoffset = 0);
- virtual void DrawPolygon(wxList *list, long xoffset = 0, long yoffset = 0, int fillStyle=wxODDEVEN_RULE);
-
- virtual void DrawText(const wxString& text, long x, long y, bool use16bit = FALSE);
- inline void DrawText(const wxString& text, const wxPoint& pt, bool use16bit = FALSE)
- {
- DrawText(text, pt.x, pt.y, use16bit);
- }
-
- virtual bool Blit(long xdest, long ydest, long width, long height,
- wxDC *source, long xsrc, long ysrc, int rop = wxCOPY, bool useMask = FALSE);
- inline bool Blit(const wxPoint& destPt, const wxSize& sz,
- wxDC *source, const wxPoint& srcPt, int rop = wxCOPY, bool useMask = FALSE)
- {
- return Blit(destPt.x, destPt.y, sz.x, sz.y, source, srcPt.x, srcPt.y, rop, useMask);
- }
-
-#if wxUSE_SPLINES
- // Splines
- // 3-point spline
- virtual void DrawSpline(long x1, long y1, long x2, long y2, long x3, long y3);
- // Any number of control points - a list of pointers to wxPoints
- virtual void DrawSpline(wxList *points);
- virtual void DrawSpline(int n, wxPoint points[]);
-#endif
- virtual void Clear(void);
- virtual void SetFont(const wxFont& font);
- virtual void SetPen(const wxPen& pen);
- virtual void SetBrush(const wxBrush& brush);
- virtual void SetLogicalFunction(int function);
- virtual void SetBackground(const wxBrush& brush);
- virtual void SetBackgroundMode(int mode);
-
- virtual void SetClippingRegion(long x, long y, long width, long height);
- inline void SetClippingRegion(const wxPoint& pt, const wxSize& sz)
- {
- SetClippingRegion(pt.x, pt.y, sz.x, sz.y);
- }
- inline void SetClippingRegion(const wxRect& rect)
- {
- SetClippingRegion(rect.x, rect.y, rect.width, rect.height);
- }
- virtual void SetClippingRegion(const wxRegion& region);
-
- virtual void SetPalette(const wxPalette& palette);
-#if WXWIN_COMPATIBILITY
- virtual inline void SetColourMap(const wxPalette& palette) { SetPalette(palette); };
-#endif
- virtual void DestroyClippingRegion(void);
- virtual long GetCharHeight(void) const;
- virtual long GetCharWidth(void) const;
- virtual void GetTextExtent(const wxString& string, long *x, long *y,
- long *descent = NULL, long *externalLeading = NULL,
- wxFont *theFont = NULL, bool use16bit = FALSE) const;
-#if WXWIN_COMPATIBILITY
- void GetTextExtent(const wxString& string, float *x, float *y,
- float *descent = NULL, float *externalLeading = NULL,
- wxFont *theFont = NULL, bool use16bit = FALSE) const ;
+// this is an ABC: use one of the derived classes to create a DC associated
+// with a window, screen, printer and so on
+class WXDLLEXPORT wxDC : public wxDCBase
+{
+public:
+ wxDC(WXHDC hDC) { Init(); m_hDC = hDC; }
+ ~wxDC();
+
+ // implement base class pure virtuals
+ // ----------------------------------
+
+ virtual void Clear();
+
+ virtual bool StartDoc(const wxString& message);
+ virtual void EndDoc();
+
+ virtual void StartPage();
+ virtual void EndPage();
+
+ virtual void SetFont(const wxFont& font);
+ virtual void SetPen(const wxPen& pen);
+ virtual void SetBrush(const wxBrush& brush);
+ virtual void SetBackground(const wxBrush& brush);
+ virtual void SetBackgroundMode(int mode);
+#if wxUSE_PALETTE
+ virtual void SetPalette(const wxPalette& palette);
+#endif // wxUSE_PALETTE
+
+ virtual void DestroyClippingRegion();
+
+ virtual wxCoord GetCharHeight() const;
+ virtual wxCoord GetCharWidth() const;
+ virtual void DoGetTextExtent(const wxString& string,
+ wxCoord *x, wxCoord *y,
+ wxCoord *descent = NULL,
+ wxCoord *externalLeading = NULL,
+ wxFont *theFont = NULL) const;
+ virtual bool DoGetPartialTextExtents(const wxString& text, wxArrayInt& widths) const;
+
+ virtual bool CanDrawBitmap() const;
+ virtual bool CanGetTextExtent() const;
+ virtual int GetDepth() const;
+ virtual wxSize GetPPI() const;
+
+ virtual void SetMapMode(int mode);
+ virtual void SetUserScale(double x, double y);
+ virtual void SetSystemScale(double x, double y);
+ virtual void SetLogicalScale(double x, double y);
+ virtual void SetLogicalOrigin(wxCoord x, wxCoord y);
+ virtual void SetDeviceOrigin(wxCoord x, wxCoord y);
+ virtual void SetAxisOrientation(bool xLeftRight, bool yBottomUp);
+ virtual void SetLogicalFunction(int function);
+
+ // implementation from now on
+ // --------------------------
+
+ virtual void SetRop(WXHDC cdc);
+ virtual void SelectOldObjects(WXHDC dc);
+
+ wxWindow *GetWindow() const { return m_canvas; }
+ void SetWindow(wxWindow *win)
+ {
+ m_canvas = win;
+
+#if wxUSE_PALETTE
+ // if we have palettes use the correct one for this window
+ InitializePalette();
+#endif // wxUSE_PALETTE
+ }
+
+ WXHDC GetHDC() const { return m_hDC; }
+ void SetHDC(WXHDC dc, bool bOwnsDC = false)
+ {
+ m_hDC = dc;
+ m_bOwnsDC = bOwnsDC;
+
+ // we might have a pre existing clipping region, make sure that we
+ // return it if asked -- but avoid calling ::GetClipBox() right now as
+ // it could be unnecessary wasteful
+ m_clipping = true;
+ m_clipX1 =
+ m_clipX2 = 0;
+ }
+
+ const wxBitmap& GetSelectedBitmap() const { return m_selectedBitmap; }
+ wxBitmap& GetSelectedBitmap() { return m_selectedBitmap; }
+
+ // update the internal clip box variables
+ void UpdateClipBox();
+
+#if wxUSE_DC_CACHEING
+ static wxDCCacheEntry* FindBitmapInCache(WXHDC hDC, int w, int h);
+ static wxDCCacheEntry* FindDCInCache(wxDCCacheEntry* notThis, WXHDC hDC);
+
+ static void AddToBitmapCache(wxDCCacheEntry* entry);
+ static void AddToDCCache(wxDCCacheEntry* entry);
+ static void ClearCache();