X-Git-Url: https://git.creatis.insa-lyon.fr/pubgit/?p=CreaPhase.git;a=blobdiff_plain;f=octave_packages%2Fimage-1.0.15%2Fisbw.m;fp=octave_packages%2Fimage-1.0.15%2Fisbw.m;h=4ebe92c326ed3ff30130724d24bf0257cf4810fc;hp=0000000000000000000000000000000000000000;hb=c880e8788dfc484bf23ce13fa2787f2c6bca4863;hpb=1705066eceaaea976f010f669ce8e972f3734b05

diff --git a/octave_packages/image-1.0.15/isbw.m b/octave_packages/image-1.0.15/isbw.m
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+## Copyright (C) 2000  Kai Habel
+##
+## 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 2 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/>.
+
+## -*- texinfo -*-
+## @deftypefn {Function File} @var{bool}= isbw (@var{BW})
+## Returns true for a black-white (binary) image.
+## All values must be either 0 or 1
+## @end deftypefn
+
+## Author:	Kai Habel <kai.habel@gmx.de>
+## Date:	20/03/2000
+
+function bool = isbw (BW)
+
+  bool = 0;	
+  if !(nargin == 1)
+    usage ("isbw(BW)");
+  endif
+
+  if !(ismatrix(BW))
+    return;
+  endif
+
+  bool = all (all ((BW == 1) + (BW == 0)));
+
+endfunction