X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/55ccdb93e4ae4b606a4068cb37492c1ec3ed77a6..fc17828ab2cb3dc5dd22d5634ce4f6764e1373fc:/docs/latex/wx/region.tex diff --git a/docs/latex/wx/region.tex b/docs/latex/wx/region.tex index 5b2cb77be1..11df532caf 100644 --- a/docs/latex/wx/region.tex +++ b/docs/latex/wx/region.tex @@ -1,7 +1,23 @@ +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +%% Name: region.tex +%% Purpose: wxRegion documentation +%% Author: wxTeam +%% Created: +%% RCS-ID: $Id$ +%% Copyright: (c) wxTeam +%% License: wxWindows license +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + \section{\class{wxRegion}}\label{wxregion} -A wxRegion represents a simple or complex region on a device context or window. It uses -reference counting, so copying and assignment operations are fast. +A wxRegion represents a simple or complex region on a device context or window. + +This class uses \helpref{reference counting and copy-on-write}{trefcount} +internally so that assignments between two instances of this class are very +cheap. You can therefore use actual objects instead of pointers without +efficiency problems. If an instance of this class is changed it will create +its own data internally so that other instances, which previously shared the +data using the reference counting, are not affected. \wxheading{Derived from} @@ -47,8 +63,6 @@ Constructs a region corresponding to the polygon made of {\it n} points in the provided array. {\it fillStyle} parameter may have values {\tt wxWINDING\_RULE} or {\tt wxODDEVEN\_RULE}. -{\bf NB:} This constructor is only implemented for Win32 and GTK+ wxWidgets ports. - \func{}{wxRegion}{\param{const wxBitmap\&}{ bmp}} \func{}{wxRegion}{\param{const wxBitmap\&}{ bmp},