function hNew=gentext(hOld,Ops,Parent,Str)
%GENTEXT Generic plot routine for a single text.

%----- LGPL --------------------------------------------------------------------
%                                                                               
%   Copyright (C) 2011-2014 Stichting Deltares.                                     
%                                                                               
%   This library is free software; you can redistribute it and/or                
%   modify it under the terms of the GNU Lesser General Public                   
%   License as published by the Free Software Foundation version 2.1.                         
%                                                                               
%   This library is distributed in the hope that it will be useful,              
%   but WITHOUT ANY WARRANTY; without even the implied warranty of               
%   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU            
%   Lesser General Public License for more details.                              
%                                                                               
%   You should have received a copy of the GNU Lesser General Public             
%   License along with this library; if not, see <http://www.gnu.org/licenses/>. 
%                                                                               
%   contact: delft3d.support@deltares.nl                                         
%   Stichting Deltares                                                           
%   P.O. Box 177                                                                 
%   2600 MH Delft, The Netherlands                                               
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%   All indications and logos of, and references to, "Delft3D" and "Deltares"    
%   are registered trademarks of Stichting Deltares, and remain the property of  
%   Stichting Deltares. All rights reserved.                                     
%                                                                               
%-------------------------------------------------------------------------------
%   http://www.deltaressystems.com
%   $HeadURL: https://svn.oss.deltares.nl/repos/delft3d/trunk/src/tools_lgpl/matlab/quickplot/progsrc/private/gentext.m $
%   $Id: gentext.m 3292 2014-01-07 10:07:21Z jagers $

if ~isempty(hOld) & ishandle(hOld)
    hNew=hOld;
    set(hNew,'string',Str);
else
    hNew=text(0.5,0.5,Str, ...
        'color',Ops.colour, ...
        'horizontalalignment','center', ...
        'parent',Parent);
    setaxesprops(Parent,'Text')
end
