X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/72156afeb57020c647036e08a4a75b947e6f5f21..9ac884500ce30c58e24b0a6af1288b576d2e03e4:/wxPython/src/_dc.i?ds=sidebyside

diff --git a/wxPython/src/_dc.i b/wxPython/src/_dc.i
index 7c24e09d2a..f2c860be0a 100644
--- a/wxPython/src/_dc.i
+++ b/wxPython/src/_dc.i
@@ -1235,6 +1235,64 @@ static void wxDC_GetBoundingBox(wxDC* dc, int* x1, int* y1, int* x2, int* y2) {
 %}
 
 
+//---------------------------------------------------------------------------
+%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
 
@@ -1425,16 +1483,26 @@ DocStr(wxBufferedDC,
 "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