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openslide_load_library.m
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openslide_load_library.m
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function openslide_load_library()
% OPENSLIDE_LOAD_LIBRARY Loads the openslide library
%
% openslide_load_library()
%
% INPUT ARGUMENTS
% N/A
%
% OPTIONAL INPUT ARGUMENTS
% N/A
%
% OUTPUT
% N/A
% Copyright (c) 2016 Daniel Forsberg
% danne.forsberg@outlook.com
%
% This program is free software: you can redistribute it and/or modify
% it under the terms of the GNU General Public License as published by
% the Free Software Foundation, either version 3 of the License, or
% (at your option) any later version.
%
% This program 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 General Public License for more details.
%
% You should have received a copy of the GNU General Public License
% along with this program. If not, see <http://www.gnu.org/licenses/>.
%%
% Check if library is already loaded
if libisloaded('openslidelib');
disp('Openslide library is already loaded')
return
end
% Set name of library, platform dependent
if ismac
libName = 'libopenslide.0.dylib';
elseif ispc
libName = 'libopenslide-0.dll';
else
libName = 'libopenslide.so.0';
end
if isempty(which(libName))
error('openslide:openslide_load_library',...
[libName,' not available on the MATLAB path\n'])
end
% Get location of openslide.h
openslideHeaderLocation = which('openslide.h');
if isempty(openslideHeaderLocation)
error('openslide:openslide_load_library',...
'openslide.h not available on the MATLAB path\n')
end
if ispc
% Need to add \ to openslideHeaderLocation when writing to file for windows
openslideHeaderLocation = strrep(openslideHeaderLocation,'\','\\');
end
% Create openslide-wrapper.h add location of openslide.h
% Wrapper is needed to avoid some issues with MATLAB parsing openslide.h on mac
% and linux systems
[pathStr,~,~] = fileparts(mfilename('fullpath'));
fid = fopen([pathStr,filesep,'openslide-wrapper.h'],'w');
fprintf(fid,'#ifndef MATLAB_OPENSLIDE_WRAPPER_H\n');
fprintf(fid,'#define MATLAB_OPENSLIDE_WRAPPER_H\n');
fprintf(fid,'#define OPENSLIDE_SIMPLIFY_HEADERS\n');
fprintf(fid,['#include "',openslideHeaderLocation,'"\n']);
fprintf(fid,'#endif\n');
fclose(fid);
% Load library
loadlibrary(libName,'openslide-wrapper.h','alias','openslidelib',...
'addheader','openslide.h');
% Check success of load
success = libisloaded('openslidelib');
% Notify user of success
if success
disp('Openslide library has been loaded')
else
error('openslide:openslide_load_library',...
'Failure to load openslide library\n')
end