%}
+//---------------------------------------------------------------------------
+%newgroup
+
+DocStr(wxDCTextColourChanger,
+"wx.DCTextColourChanger can be used to temporarily change the DC text
+colour and restore it automatically when the object goes out of scope", "");
+
+class wxDCTextColourChanger
+{
+public:
+ wxDCTextColourChanger(wxDC& dc, const wxColour& col);
+ ~wxDCTextColourChanger();
+};
+
+
+DocStr(wxDCPenChanger,
+"wx.DCPenChanger can be used to temporarily change the DC pen and
+restore it automatically when the object goes out of scope", "");
+
+class wxDCPenChanger
+{
+public:
+ wxDCPenChanger(wxDC& dc, const wxPen& pen);
+ ~wxDCPenChanger();
+};
+
+
+
+DocStr(wxDCBrushChanger,
+"wx.DCBrushChanger can be used to temporarily change the DC brush and
+restore it automatically when the object goes out of scope", "");
+
+class wxDCBrushChanger
+{
+public:
+ wxDCBrushChanger(wxDC& dc, const wxBrush& brush);
+ ~wxDCBrushChanger();
+};
+
+
+DocStr(wxDCClipper,
+"wx.wxDCClipper sets the DC's clipping region when it is constructed,
+and then automatically destroys the clipping region when the clipper
+goes out of scope.", "");
+
+class wxDCClipper
+{
+public:
+ %nokwargs wxDCClipper;
+ wxDCClipper(wxDC& dc, const wxRegion& r);
+ wxDCClipper(wxDC& dc, const wxRect& r);
+ wxDCClipper(wxDC& dc, wxCoord x, wxCoord y, wxCoord w, wxCoord h);
+ ~wxDCClipper();
+};
+
+
+
+
//---------------------------------------------------------------------------
%newgroup
"This simple class provides a simple way to avoid flicker: when drawing
on it, everything is in fact first drawn on an in-memory buffer (a
`wx.Bitmap`) and then copied to the screen only once, when this object
-is destroyed.
+is destroyed. You can either provide a buffer bitmap yourself, and
+reuse it the next time something needs painted, or you can let the
+buffered DC create and provide a buffer bitmap itself.
-It can be used in the same way as any other device context.
+Buffered DCs can be used in the same way as any other device context.
wx.BufferedDC itself typically replaces `wx.ClientDC`, if you want to
use it in your EVT_PAINT handler, you should look at
-`wx.BufferedPaintDC`.
+`wx.BufferedPaintDC`. You can also use a wx.BufferedDC without
+providing a target DC. In this case the operations done on the dc
+will only be written to the buffer bitmap and *not* to any window, so
+you will want to have provided the buffer bitmap and then reuse it
+when it needs painted to the window.
Please note that GTK+ 2.0 and OS X provide double buffering themselves
-natively. wxBufferedDC is aware of this however, and will bypass the buffering
-unless an explicit buffer bitmap is given.
+natively. You may want to use `wx.Window.IsDoubleBuffered` to
+determine whether you need to use buffering or not, or use
+`wx.AutoBufferedPaintDC` to avoid needless double buffering on systems
+that already do it automatically.
+
+
", "");
class wxBufferedDC : public wxMemoryDC