Mercurial > octave
view scripts/plot/draw/private/__patch__.m @ 21261:f982cfe3df03
When concatenating cells, suppress empty matrices (bug #43511).
* pt-mat.cc (cellify): Replace [] by {}, not by {[]}.
* __patch__.m: Change concatenation to guarantee reproducibility.
author | Lachlan <lachlanbis@gmail.com> |
---|---|
date | Tue, 26 Jan 2016 15:52:21 +1100 |
parents | 516bb87ea72e |
children | ffad2baa90f7 |
line wrap: on
line source
## Copyright (C) 2007-2015 John W. Eaton, Shai Ayal, Kai Habel ## ## 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 3 of the License, 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, see ## <http://www.gnu.org/licenses/>. ## -*- texinfo -*- ## @deftypefn {} {[@var{h}, @var{fail}] =} __patch__ (@var{p}, @dots{}) ## Undocumented internal function. ## @end deftypefn ## __patch__ (p, x, y, c) ## Create patch object from x and y with color c and parent p. ## Return handle to patch object. ## Author: Kai Habel function [h, failed] = __patch__ (p, varargin) h = NaN; failed = false; is_numeric_arg = cellfun (@isnumeric, varargin); if (isempty (varargin)) args = varargin; elseif (isstruct (varargin{1})) if (isfield (varargin{1}, "vertices") && isfield (varargin{1}, "faces")) fvs = varargin{1}; fvc = cell (1, 2*numfields (fvs)); fvc(1:2:end) = fieldnames (fvs); fvc(2:2:end) = struct2cell (fvs); args = [fvc(:)', varargin(2:end)]; else failed = true; endif elseif (is_numeric_arg(1)) if (nargin < 3 || ! is_numeric_arg(2)) failed = true; else if (nargin > 4 && all (is_numeric_arg(1:4))) x = varargin{1}; y = varargin{2}; z = varargin{3}; c = varargin{4}; iarg = 5; elseif (nargin > 3 && all (is_numeric_arg(1:3))) x = varargin{1}; y = varargin{2}; iarg = 4; if (rem (nargin - iarg, 2) == 1) c = varargin{iarg}; z = varargin{3}; iarg = 5; else z = []; c = varargin{3}; endif elseif (nargin > 2 && all (is_numeric_arg(1:2))) x = varargin{1}; y = varargin{2}; z = []; iarg = 3; if (rem (nargin - iarg, 2) == 1) c = varargin{iarg}; iarg += 1; else c = []; endif endif if (isvector (x)) x = x(:); y = y(:); z = z(:); if (isnumeric (c)) if (isvector (c) && numel (c) == numel (x)) c = c(:); elseif (rows (c) != numel (x) && columns (c) == numel (x)) c = c.'; endif endif endif args{1} = "xdata"; args{2} = x; args{3} = "ydata"; args{4} = y; args{5} = "zdata"; args{6} = z; if (isnumeric (c)) if (ndims (c) == 3 && columns (c) == 1) c = permute (c, [1, 3, 2]); endif if (isvector (c) && numel (c) == columns (x)) if (isnan (c)) args{7} = "facecolor"; args{8} = [1, 1, 1]; args{9} = "cdata"; args{10} = c; elseif (isnumeric (c)) args{7} = "facecolor"; args{8} = "flat"; args{9} = "cdata"; args{10} = c; else error ("patch: color data C must be numeric"); endif elseif (isvector (c) && numel (c) == 3) args{7} = "facecolor"; args{8} = c; args{9} = "cdata"; args{10} = []; elseif (ndims (c) == 3 && size (c, 3) == 3) ## CDATA is specified as RGB data if ((rows (c) == 1 && columns (c) == 1) ... || (rows (c) == 1 && columns (c) == columns (x))) ## Single patch color or per-face color args{7} = "facecolor"; args{8} = "flat"; args{9} = "cdata"; args{10} = c; elseif (rows (c) == rows (x) && columns (c) == columns (x)) ## Per-vertex color args{7} = "facecolor"; args{8} = "interp"; args{9} = "cdata"; args{10} = c; else error ("patch: Invalid TrueColor data C"); endif else ## Color Vectors if (isempty (c)) args{7} = "facecolor"; args{8} = "interp"; args{9} = "cdata"; args{10} = []; elseif (size_equal (c, x) && size_equal (c, y)) args{7} = "facecolor"; args{8} = "interp"; args{9} = "cdata"; args{10} = c; else error ("patch: size of X, Y, and C must be equal"); endif endif elseif (ischar (c) && rem (nargin - iarg, 2) == 0) ## Assume any additional argument over an even number is a color string. args{7} = "facecolor"; args{8} = tolower (c); args{9} = "cdata"; args{10} = []; else args{7} = "facecolor"; args{8} = [0, 0, 0]; args{9} = "cdata"; args{10} = []; endif args = [args, varargin(iarg:end)]; endif else args = varargin; endif if (! failed) h = __go_patch__ (p, args{:}); endif endfunction