- 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);
- }
+protected:
+ void Init()
+ {
+ m_canvas = NULL;
+ m_bOwnsDC = false;
+ m_hDC = NULL;
+
+ m_oldBitmap = NULL;
+ m_oldPen = NULL;
+ m_oldBrush = NULL;
+ m_oldFont = NULL;
+
+#if wxUSE_PALETTE
+ m_oldPalette = NULL;
+#endif // wxUSE_PALETTE
+ }
+
+ // create an uninitialized DC: this should be only used by the derived
+ // classes
+ wxDC() { Init(); }
+
+ 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 DoFloodFill(wxCoord x, wxCoord y, const wxColour& col,
+ int style = wxFLOOD_SURFACE);
+
+ virtual void DoGradientFillLinear(const wxRect& rect,
+ const wxColour& initialColour,
+ const wxColour& destColour,
+ wxDirection nDirection = wxEAST);
+
+ 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 DoDrawCheckMark(wxCoord x, wxCoord y,
+ wxCoord width, wxCoord height);
+ 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);