Further performance optimizations

[wxWidgets.git] / include / wx / dc.h

diff --git a/include/wx/dc.h b/include/wx/dc.h
index 24c77d04417ac762b79edc5027d9be9282c33de8..f0fe623aa7da8ca63fc75bb2a5068e4b6d4d1c37 100644 (file)
--- a/include/wx/dc.h
+++ b/include/wx/dc.h
@@ -46,7 +46,7 @@ class WXDLLIMPEXP_FWD_CORE wxPrintData;
 // wxDrawObject helper class
 //-----------------------------------------------------------------------------
 
-class WXDLLEXPORT wxDrawObject
+class WXDLLIMPEXP_CORE wxDrawObject
 {
 public:
 
@@ -500,6 +500,54 @@ protected:
         m_clipX1 = m_clipX2 = m_clipY1 = m_clipY2 = 0;
     }
 
+#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( wxPointList* points, double angle, wxPoint center = wxPoint(0,0) );
+
+    // used by DrawEllipticArcRot
+    // Careful: wxList gets filled with points you have to delete later.
+    void CalculateEllipticPoints( wxPointList* points,
+                                  wxCoord xStart, wxCoord yStart,
+                                  wxCoord w, wxCoord h,
+                                  double sa, double ea );
+#endif // __WXWINCE__
+
+
     // window on which the DC draws or NULL
     wxWindow   *m_window;
 
@@ -566,7 +614,7 @@ public:
     const wxDCImpl *GetImpl() const
         { return m_pimpl; }
 
-    wxWindow *GetWindow()
+    wxWindow *GetWindow() const
         { return m_pimpl->GetWindow(); }
 
     bool IsOk() const
@@ -1060,7 +1108,7 @@ private:
 // restore it automatically when the object goes out of scope
 // ----------------------------------------------------------------------------
 
-class WXDLLEXPORT wxDCTextColourChanger
+class WXDLLIMPEXP_CORE wxDCTextColourChanger
 {
 public:
     wxDCTextColourChanger(wxDC& dc) : m_dc(dc), m_colFgOld() { }
@@ -1096,7 +1144,7 @@ private:
 // restore it automatically when the object goes out of scope
 // ----------------------------------------------------------------------------
 
-class WXDLLEXPORT wxDCPenChanger
+class WXDLLIMPEXP_CORE wxDCPenChanger
 {
 public:
     wxDCPenChanger(wxDC& dc, const wxPen& pen) : m_dc(dc), m_penOld(dc.GetPen())
@@ -1123,7 +1171,7 @@ private:
 // restore it automatically when the object goes out of scope
 // ----------------------------------------------------------------------------
 
-class WXDLLEXPORT wxDCBrushChanger
+class WXDLLIMPEXP_CORE wxDCBrushChanger
 {
 public:
     wxDCBrushChanger(wxDC& dc, const wxBrush& brush) : m_dc(dc), m_brushOld(dc.GetBrush())
@@ -1150,7 +1198,7 @@ private:
 // destroys it in the dtor
 // ----------------------------------------------------------------------------
 
-class WXDLLEXPORT wxDCClipper
+class WXDLLIMPEXP_CORE wxDCClipper
 {
 public:
     wxDCClipper(wxDC& dc, const wxRegion& r) : m_dc(dc)