function oldFigures = captureFigures(oldHandles)

%CAPTUREFIGURES	Return figure information for later call to compareFigures

%   OLDFIGURES contains the information that can later be passed to

%   the compareFigures function

% Copyright 1984-2017 The MathWorks, Inc.

% The publishing tools use this.

% Call drawnow here to flush any changes/events that may have been

% triggered if the last loop of takepicture triggered a print.

% This drawnow could be taken out if the print of a uiflowcontainer does

% not trigger a resize (G354913).  It takes two.

drawnow; 

drawnow; 

% A structure representing the graphics hierarchy, starting with figures.

if nargin == 0 

    oldHandles = allchild(0); 

    oldHandles = flipud(oldHandles); 

end 

numHandles = numel(oldHandles); 

data = handle2struct([]); 

oldFigures.data = data; 

% Recursively visit each node, modifying or removing it where appropriate.

toRemove = false(1, numHandles); 

for k = 1:numHandles 

    oldFigures.data(k).handle = oldHandles(k);

    oldFigures.data(k).properties = getToken(oldHandles(k));

    toRemove(k) = isequal(get(oldHandles(k),'Visible'),'off');

end

oldFigures.data(toRemove) = []; 

% Since HANDLE2STRUCT([]) returns an empty structure of the appropriate

% form, we don't need to worry about compareFigures seeing differences

% between different kinds of empty structures.  (See below, in VISIT.)

% The "id" for graphics objects is the handle.

oldFigures.id = [oldFigures.data.handle]; 

end