Mercurial > hg > octave-nkf
diff scripts/plot/text.m @ 6257:44c91c5dfe1d
[project @ 2007-01-30 19:16:52 by jwe]
author | jwe |
---|---|
date | Tue, 30 Jan 2007 19:16:55 +0000 |
parents | |
children | b298a4c12fc3 |
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new file mode 100644 --- /dev/null +++ b/scripts/plot/text.m @@ -0,0 +1,98 @@ +## Copyright (C) 2007 John W. Eaton +## +## This file is part of Octave. +## +## Octave 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, or (at your option) +## any later version. +## +## Octave 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 Octave; see the file COPYING. If not, write to the Free +## Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +## 02110-1301, USA. + +## -*- texinfo -*- +## @deftypefn {Function File} {@var{h} =} text (@var{x}, @var{y}, @var{label}) +## @deftypefnx {Function File} {@var{h} =} text (@var{x}, @var{y}, @var{z}, @var{label}) +## Create a text object with text @var{label} at position @var{x}, +## @var{y}, @var{z} on the current axes. The label may be followed by +## property-value pairs. +## @end deftypefn + +## Author: jwe + +function h = text (varargin) + + if (nargin > 2) + x = y = z = 0; + if (isnumeric (varargin{1}) && isnumeric (varargin{2})) + x = varargin{1}; + y = varargin{2}; + else + error ("text: expecting first two arguments to be numeric"); + endif + + if (nargin > 3 && isnumeric (varargin{3})) + z = varargin{3}; + offset = 4; + else + z = zeros (size (x)); + offset = 3; + endif + + label = varargin{offset}; + if (ischar (label) || iscellstr (label)) + varargin(1:offset) = []; + if (ischar (label)) + label = cellstr (label); + endif + n = numel (label); + nx = numel (x); + ny = numel (y); + nz = numel (z); + if (nx == ny && nx == nz) + pos = [x(:), y(:), z(:)]; + ca = gca (); + tmp = zeros (n, 1); + if (n == 1) + label = label{1}; + for i = 1:nx + tmp(i) = __uiobject_text_ctor__ (ca, "string", label, + "position", pos(i,:), + varargin{:}); + endfor + elseif (n == nx) + for i = 1:nx + tmp(i) = __uiobject_text_ctor__ (ca, "string", label{i}, + "position", pos(i,:), + varargin{:}); + endfor + else + error ("text: dimension mismatch for coordinates and label"); + endif + else + error ("text: dimension mismatch for coordinates"); + endif + else + error ("text: expecting label to be a character string or cell array of character strings"); + endif + + for i = 1:numel (tmp) + __uiobject_adopt__ (ca, tmp(i)); + endfor + + if (nargout > 0) + h = tmp; + endif + + else + print_usage (); + endif + +endfunction