function varargout = ImLogique2(varargin)
% Opérations logiques entre 2 images binaires de dimensions identiques
% 
% INPUT:
% - image1 Px1
% - image2 Px1
% - valeur texte opération : 'and' | 'or' | 'xor' | 'sub'
%
% OUTPUT:
% - image Px1
%
% Plugin for OpenIsaac
% version 1
% © 2001-2018 Alain Clément - Université d'Angers

%---------------------------------------------------------------------------------------------------

% Copyright 2007 - 2018 Université d'Angers - Author: Alain Clément
%
% 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 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, write to the Free
% Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

%---------------------------------------------------------------------------------------------------

% PLUGIN PARAMETERS
if (nargin == 1) && strcmp(varargin{1},'-f')
    % input
	varargout{1} = {'IMG','image binaire 1', ...
					'IMG','image binaire 2', ...
					'DATA','opération'};
    % output
	varargout{2} = {'IMG','image binaire résultat'};
	return
end	

% INPUT
ObjIMG1 = varargin{1};
ObjIMG2 = varargin{2};
oper = IsaacDATA_get(varargin{3},'Val');

%---------------------------------------------------------------------------------------------------

if (IsaacIMG_get(ObjIMG1,'BitClass') ~= 1) || (IsaacIMG_get(ObjIMG2,'BitClass') ~= 1) || ...
	~IsaacIMG_compare(ObjIMG1,ObjIMG2,'DimXYZ')
	error('images incompatibles')
end
switch oper
case 'and'
	ObjIMG1 = IsaacIMG_mat2img(ObjIMG1,and(IsaacIMG_img2mat(ObjIMG1),IsaacIMG_img2mat(ObjIMG2)));
case 'or'
	ObjIMG1 = IsaacIMG_mat2img(ObjIMG1,or(IsaacIMG_img2mat(ObjIMG1),IsaacIMG_img2mat(ObjIMG2)));
case 'xor'
	ObjIMG1 = IsaacIMG_mat2img(ObjIMG1,xor(IsaacIMG_img2mat(ObjIMG1),IsaacIMG_img2mat(ObjIMG2)));
case 'sub'
	ObjIMG1 = IsaacIMG_mat2img(ObjIMG1,IsaacIMG_img2mat(ObjIMG1) > IsaacIMG_img2mat(ObjIMG2));
otherwise
	error('opération invalide')
end

%---------------------------------------------------------------------------------------------------

% OUTPUT
varargout{1} = ObjIMG1;
	

