added wxDCClipper

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@10919 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin 2001-07-09 18:37:03 +00:00
parent 6c975af106
commit e26be42b5c

View File

@ -776,5 +776,24 @@ private:
wxColour m_colFgOld;
};
// ----------------------------------------------------------------------------
// another small helper class: sets the clipping region in its ctor and
// destroys it in the dtor
// ----------------------------------------------------------------------------
class WXDLLEXPORT wxDCClipper
{
public:
wxDCClipper(wxDC& dc, const wxRect& r) : m_dc(dc)
{ dc.SetClippingRegion(r.x, r.y, r.width, r.height); }
wxDCClipper(wxDC& dc, wxCoord x, wxCoord y, wxCoord w, wxCoord h) : m_dc(dc)
{ dc.SetClippingRegion(x, y, w, h); }
~wxDCClipper() { m_dc.DestroyClippingRegion(); }
private:
wxDC& m_dc;
};
#endif
// _WX_DC_H_BASE_