Add a useful package (from Source forge) for octave

[CreaPhase.git] / octave_packages / geometry-1.5.0 / io / @svg / getpath.m

diff --git a/octave_packages/geometry-1.5.0/io/@svg/getpath.m b/octave_packages/geometry-1.5.0/io/@svg/getpath.m
new file mode 100644 (file)
index 0000000..2e7e81a
--- /dev/null
+++ b/octave_packages/geometry-1.5.0/io/@svg/getpath.m
@@ -0,0 +1,76 @@
+## Copyright (C) 2011 Carnë Draug <carandraug+dev@gmail.com>
+## Copyright (c) 2011 Juan Pablo Carbajal <carbajal@ifi.uzh.ch>
+##
+## 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/>.
+
+## -*- texinfo -*-
+## @deftypefn {Function File} {@var{paths} = } getpath (@var{ids})
+## Returns paths in @var{ids}.
+##
+## @end deftypefn
+
+function paths = getpath(obj, varargin)
+
+  if !isempty(varargin)
+  
+    ids = varargin;
+    if iscell (ids) && numel(ids) == 1 && iscell(ids{1}) % dealing with ids given as cell
+      ids = ids{1};
+
+      if !all ( cellfun (@ischar, ids) )
+       print_usage
+      end
+
+    elseif !all ( cellfun (@ischar, ids) )
+     print_usage
+    end
+    
+  else
+    paths = obj.Path;
+    return
+  end
+
+  tf = ismember (ids, fieldnames (obj.Path));
+
+  cellfun (@(s) printf("'%s' is not a valid path id.\n", s) , {ids{!tf}});
+
+  paths = [];
+  if any (tf)
+    stuff = {ids{tf}};
+    
+    for i = 1: numel(stuff)
+      paths{i} = obj.Path.(ids{i}).data;
+    endfor
+    
+    
+    % Variation
+%    paths = cellfun(@(s) obj.Path.(s).data, stuff,'UniformOutput',false);
+    
+    % Another variation
+%    paths = cellfun(@(s) getfield(obj,'Path').(s).data, stuff,'UniformOutput',false);
+    
+    % Yet another
+%    paths = cellfun(@(s) getfield(obj.Path,s).data, stuff,'UniformOutput',false);    
+
+    % Yet yet another
+%    dummy = @(s) obj.Path.(s).data;
+%    paths = cellfun(dummy, stuff,'UniformOutput',false);    
+    
+    if numel(paths) == 1
+      paths = paths{1};
+    end
+  end
+
+endfunction
+