function figure2file(figureHandle,filename)
% FIGURE2FILE Export Matlab figure to (PDF) file.
%
% Usage
%   figure2file(figureHandle,filename)
%
%   figureHandle - graphics handle
%                  valid Matlab figure handle
%
%   filename     - string
%                  filename to save the figure to

% Copyright (c) 2014, Till Biskup <till.biskup@physchem.uni-freiburg.de>
% 2014-01-19

% User settings
fontSize = 12;
fontName = 'Arial';
figureUnits = 'centimeters';
figureDimensions = [16 10];

% Get axis handle of figureHandle
axisHandle = findobj('Parent',figureHandle,'Type','axes');

% Set fonts
set([get(axisHandle,'xlabel') get(axisHandle,'ylabel') axisHandle],...
    'fontsize',fontSize,...
    'fontname',fontName ...
    );

% Set paper/figure sizes
set(axisHandle,...
    'Units',figureUnits,...
    'OuterPosition',[0 0 figureDimensions] ...
    );
oldPosition = get(figureHandle,'Position');
set(figureHandle,...
    'paperunits',figureUnits,...
    'papersize',figureDimensions,...
    'paperpositionmode','auto',...
    'Units',figureUnits,...
    'Position',[oldPosition([1 2]) figureDimensions] ...
    );

% Export figure as PDF
print(figureHandle,filename,'-dpdf');