define wxHAS_ATOMIC_OPS only if native implementation is available; use fewer loop...

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

diff --git a/include/wx/dcmirror.h b/include/wx/dcmirror.h
index fcb396113cfe1e23443998d50575597e0a3f092c..94e33b2ad5db2dfa3ea3c6395984881757dc8e68 100644 (file)
--- a/include/wx/dcmirror.h
+++ b/include/wx/dcmirror.h
@@ -5,7 +5,7 @@
 // Modified by:
 // Created:     21.07.2003
 // RCS-ID:      $Id$
-// Copyright:   (c) 2003 Vadim Zeitlin <vadim@wxwindows.org>
+// Copyright:   (c) 2003 Vadim Zeitlin <vadim@wxwidgets.org>
 // Licence:     wxWindows licence
 ///////////////////////////////////////////////////////////////////////////////
 
@@ -18,7 +18,7 @@
 // wxMirrorDC allows to write the same code for horz/vertical layout
 // ----------------------------------------------------------------------------
 
-class WXDLLEXPORT wxMirrorDC : public wxDCBase
+class WXDLLIMPEXP_CORE wxMirrorDCImpl : public wxDCImpl
 {
 public:
     // constructs a mirror DC associated with the given real DC
@@ -26,13 +26,12 @@ public:
     // if mirror parameter is true, all vertical and horizontal coordinates are
     // exchanged, otherwise this class behaves in exactly the same way as a
     // plain DC
-    //
-    // the cast to wxMirrorDC is a dirty hack done to allow us to call the
-    // protected methods of wxDCBase directly in our code below, without it it
-    // would be impossible (this is correct from C++ point of view but doesn't
-    // make any sense in this particular situation)
-    wxMirrorDC(wxDC& dc, bool mirror) : m_dc((wxMirrorDC&)dc)
-        { m_mirror = mirror; }
+    wxMirrorDCImpl(wxDC *owner, wxDCImpl& dc, bool mirror)
+        : wxDCImpl(owner),
+          m_dc(dc)
+    {
+        m_mirror = mirror;
+    }
 
     // wxDCBase operations
     virtual void Clear() { m_dc.Clear(); }
@@ -53,7 +52,7 @@ public:
     virtual bool CanGetTextExtent() const { return m_dc.CanGetTextExtent(); }
     virtual int GetDepth() const { return m_dc.GetDepth(); }
     virtual wxSize GetPPI() const { return m_dc.GetPPI(); }
-    virtual bool Ok() const { return m_dc.Ok(); }
+    virtual bool IsOk() const { return m_dc.IsOk(); }
     virtual void SetMapMode(int mode) { m_dc.SetMapMode(mode); }
     virtual void SetUserScale(double x, double y)
         { m_dc.SetUserScale(GetX(x, y), GetY(x, y)); }
@@ -131,7 +130,7 @@ protected:
         wxFAIL_MSG( _T("this is probably wrong") );
 
         m_dc.DoDrawArc(GetX(x1, y1), GetY(x1, y1),
-                       GetX(x2, y2), GetY(x2, y2), 
+                       GetX(x2, y2), GetY(x2, y2),
                        xc, yc);
     }
 
@@ -148,7 +147,7 @@ protected:
         wxFAIL_MSG( _T("this is probably wrong") );
 
         m_dc.DoDrawEllipticArc(GetX(x, y), GetY(x, y),
-                               GetX(w, h), GetY(w, h), 
+                               GetX(w, h), GetY(w, h),
                                sa, ea);
     }
 
@@ -182,7 +181,7 @@ protected:
     }
 
     virtual void DoDrawBitmap(const wxBitmap &bmp, wxCoord x, wxCoord y,
-                              bool useMask = FALSE)
+                              bool useMask = false)
     {
         m_dc.DoDrawBitmap(bmp, GetX(x, y), GetY(x, y), useMask);
     }
@@ -203,8 +202,8 @@ protected:
     virtual bool DoBlit(wxCoord xdest, wxCoord ydest,
                         wxCoord w, wxCoord h,
                         wxDC *source, wxCoord xsrc, wxCoord ysrc,
-                        int rop = wxCOPY, bool useMask = FALSE,
-                        wxCoord xsrcMask = -1, wxCoord ysrcMask = -1)
+                        int rop = wxCOPY, bool useMask = false,
+                        wxCoord xsrcMask = wxDefaultCoord, wxCoord ysrcMask = wxDefaultCoord)
     {
         return m_dc.DoBlit(GetX(xdest, ydest), GetY(xdest, ydest),
                            GetX(w, h), GetY(w, h),
@@ -262,16 +261,39 @@ protected:
                                  wxCoord *x, wxCoord *y,
                                  wxCoord *descent = NULL,
                                  wxCoord *externalLeading = NULL,
-                                 wxFont *theFont = NULL) const
+                                 const wxFont *theFont = NULL) const
     {
         // never mirrored
         m_dc.DoGetTextExtent(string, x, y, descent, externalLeading, theFont);
     }
 
 private:
-    wxMirrorDC& m_dc;
+    wxDCImpl& m_dc;
 
     bool m_mirror;
+
+    DECLARE_NO_COPY_CLASS(wxMirrorDCImpl)
+};
+
+class WXDLLIMPEXP_CORE wxMirrorDC : public wxDC
+{
+public:
+    wxMirrorDC(wxDC& dc, bool mirror)
+        : wxDC(new wxMirrorDCImpl(this, *dc.GetImpl(), mirror))
+    {
+        m_mirror = mirror;
+    }
+
+    // helper functions which may be useful for the users of this class
+    wxSize Reflect(const wxSize& sizeOrig)
+    {
+        return m_mirror ? wxSize(sizeOrig.y, sizeOrig.x) : sizeOrig;
+    }
+
+private:
+    bool m_mirror;
+
+    DECLARE_NO_COPY_CLASS(wxMirrorDC)
 };
 
 #endif // _WX_DCMIRROR_H_