Mercurial > octave-nkf
view scripts/image/spinmap.m @ 19903:781adfc2958c draft nkf
Build qt graphics toolkit menus with uimenu
* libgui/graphics/Figure.cc, libgui/graphics/Figure.h: Revert cset 7335cc071ab0
and remove all menu items.
* scripts/gui/private/__get_funcname__.m: Fix typo
* scripts/plot/util/private/__add_default_menu__.m: Enable uimenu for qt
graphics toolkit and fix setting pan/rotate/zoom for qt and fltk
author | Stefan Mahr <dac922@gmx.de> |
---|---|
date | Fri, 27 Feb 2015 18:36:05 +0100 |
parents | 4197fc428c7d |
children | 7503499a252b |
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## Copyright (C) 2007-2015 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} {} spinmap () ## @deftypefnx {Function File} {} spinmap (@var{t}) ## @deftypefnx {Function File} {} spinmap (@var{t}, @var{inc}) ## @deftypefnx {Function File} {} spinmap ("inf") ## Cycle the colormap for @var{t} seconds with a color increment of @var{inc}. ## Both parameters are optional. The default cycle time is 5 seconds and the ## default increment is 2. If the option @qcode{"inf"} is given then cycle ## continuously until @kbd{Control-C} is pressed. ## ## When rotating the original color 1 becomes color 2, color 2 becomes ## color 3, etc. A positive or negative increment is allowed and a higher ## value of @var{inc} will cause faster cycling through the colormap. ## @seealso{colormap} ## @end deftypefn ## Author: Kai Habel <kai.habel at gmx.de> function spinmap (t = 5, inc = 2) if (nargin > 2) print_usage (); elseif (ischar (t)) if (strcmpi (t, "inf")) t = Inf; else error ('spinmap: time T must be a real scalar or "inf"'); endif elseif (! isscalar (t) || ! isreal (t)) error ("spinmap: time T must be a real scalar"); endif cmap = cmap_orig = get (gcf (), "colormap"); t0 = clock; while (etime (clock, t0) < t) cmap = shift (cmap, inc, 1); set (gcf (), "colormap", cmap); drawnow (); endwhile set (gcf (), "colormap", cmap_orig); endfunction %!demo %! clf; %! colormap (rainbow (128)); %! imagesc (1:8); %! axis off; %! title ("Rotate color bars to the right"); %! spinmap (3, 1);