Mercurial > hg > octave-lyh
view scripts/plot/private/__patch__.m @ 17346:1c89599167a6
maint: End m-files with 1 blank line.
Simplifies automated grammarchecking script.
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scripts/ui/private/message_dialog.m: End m-files with 1 blank line.
author | Rik <rik@octave.org> |
---|---|
date | Wed, 28 Aug 2013 08:33:02 -0700 |
parents | c2dbdeaa25df |
children | 1391dc953ae2 |
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## Copyright (C) 2007-2012 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 {Function File} {[@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 = {"xdata", [0; 1; 0], "ydata", [1; 1; 0], "facecolor", [0, 0, 0]}; args = setvertexdata (args); elseif (isstruct (varargin{1})) if (isfield (varargin{1}, "vertices") && isfield (varargin{1}, "faces")) args{1} = "faces"; args{2} = getfield (varargin{1}, "faces"); args{3} = "vertices"; args{4} = getfield (varargin{1}, "vertices"); args{5} = "facevertexcdata"; if (isfield (varargin{1}, "facevertexcdata")) args{6} = getfield (varargin{1}, "facevertexcdata"); else args{6} = []; endif args = [args; varargin(2:end)]; args = setdata (args); 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++; 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 value not valid"); 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"; agrs{10} = c; else error ("patch: color value not valid"); endif else ## Color Vectors if (isempty (c)) args{7} = "facecolor"; args{8} = "interp"; args{9} = "cdata"; args{10} = []; elseif (isequal (size (c), size (x)) && isequal (size (c), size (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 that any additional argument over an even number is ## color string. args{7} = "facecolor"; args{8} = tolower (c); args{9} = "cdata"; args{10} = []; else args{7} = "facecolor"; args{8} = [0, 1, 0]; args{9} = "cdata"; args{10} = []; endif args = [args, varargin(iarg:end)]; args = setvertexdata (args); endif else args = varargin; if (any (strcmpi (args, "faces") | strcmpi (args, "vertices"))) args = setdata (args); else args = setvertexdata (args); endif endif if (!failed) h = __go_patch__ (p, args {:}); ## Setup listener functions addlistener (h, "xdata", @update_data); addlistener (h, "ydata", @update_data); addlistener (h, "zdata", @update_data); addlistener (h, "cdata", @update_data); addlistener (h, "faces", @update_fvc); addlistener (h, "vertices", @update_fvc); addlistener (h, "facevertexcdata", @update_fvc); endif endfunction function args = delfields (args, flds) idx = cellfun (@(x) any (strcmpi (x, flds)), args); if (rows (idx) == 1) idx = idx | [false, idx(1:end-1)]; else idx = idx | [false; idx(1:end-1)]; endif args (idx) = []; endfunction function args = setdata (args) args = delfields (args, {"xdata", "ydata", "zdata", "cdata"}); ## Remove the readonly fields as well args = delfields (args, {"type", "uicontextmenu"}); nargs = length (args); idx = find (strcmpi (args, "faces"), 1, "last") + 1; if (idx > nargs) faces = []; else faces = args {idx}; endif idx = find (strcmpi (args, "vertices"), 1, "last") + 1; if (idx > nargs) vert = []; else vert = args {idx}; endif idx = find (strcmpi (args, "facevertexcdata"), 1, "last") + 1; if (isempty (idx) || idx > nargs) fvc = []; else fvc = args {idx}; endif idx = find (strcmpi (args, "facecolor"), 1, "last") + 1; if (isempty (idx) || idx > nargs) if (!isempty (fvc)) fc = "flat"; else fc = [0, 1, 0]; endif args = {"facecolor", fc, args{:}}; endif nc = rows (faces); idx = faces .'; t1 = isnan (idx); for i = find (any (t1)) first_idx_in_column = find (t1(:,i), 1); idx(first_idx_in_column:end,i) = idx(first_idx_in_column-1,i); endfor x = reshape (vert(:,1)(idx), size (idx)); y = reshape (vert(:,2)(idx), size (idx)); if (columns (vert) > 2) z = reshape (vert(:,3)(idx), size (idx)); else z = []; endif if (rows (fvc) == nc || rows (fvc) == 1) c = reshape (fvc, [1, size(fvc)]); else if (columns (fvc) == 3) c = cat (3, reshape (fvc(idx, 1), size (idx)), reshape (fvc(idx, 2), size (idx)), reshape (fvc(idx, 3), size (idx))); elseif (isempty (fvc)) c = []; else ## if (columnns (fvc) == 1) c = permute (fvc(faces), [2, 1]); endif endif args = {"xdata", x, "ydata", y, "zdata", z, "cdata", c, args{:}}; endfunction function args = setvertexdata (args) args = delfields (args, {"vertices", "faces", "facevertexcdata"}); ## Remove the readonly fields as well args = delfields (args, {"type", "uicontextmenu"}); nargs = length (args); idx = find (strcmpi (args, "xdata"), 1, "last") + 1; if (idx > nargs) x = []; else x = args {idx}; endif idx = find (strcmpi (args, "ydata"), 1, "last") + 1; if (idx > nargs) y = []; else y = args {idx}; endif idx = find (strcmpi (args, "zdata"), 1, "last") + 1; if (isempty (idx) || idx > nargs) z = []; else z = args {idx}; endif idx = find (strcmpi (args, "cdata"), 1, "last") + 1; if (isempty (idx) || idx > nargs) c = []; else c = args {idx}; endif idx = find (strcmpi (args, "facecolor"), 1, "last") + 1; if (isempty (idx) || idx > nargs) if (!isempty (c)) fc = "flat"; else fc = [0, 1, 0]; endif args = {"facecolor", fc, args{:}}; endif [nr, nc] = size (x); if (nr == 1 && nc > 1) nr = nc; nc = 1; endif if (!isempty (z)) vert = [x(:), y(:), z(:)]; else vert = [x(:), y(:)]; endif faces = reshape (1:numel (x), nr, nc); faces = faces'; if (ndims (c) == 3) fvc = reshape (c, rows (c) * columns (c), size (c, 3)); else fvc = c(:); endif args = {"faces", faces, "vertices", vert, "facevertexcdata", fvc, args{:}}; endfunction function update_data (h, d) update_handle (h, false); endfunction function update_fvc (h, d) update_handle (h, true); endfunction function update_handle (h, isfv) persistent recursive = false; if (! recursive) recursive = true; f = get (h); if (isfv) set (h, setdata ([fieldnames(f), struct2cell(f)].'(:)){:}); else set (h, setvertexdata ([fieldnames(f), struct2cell(f)].'(:)){:}); endif recursive = false; endif endfunction