Mercurial > octave-nkf
view scripts/plot/private/__actual_axis_position__.m @ 10917:888c75785221
Improvements to FLTK backend rotation
* Don't rotate past the top and bottom
* Implement __calc_dimensions__ in C++ so that it's available to graphics object ctors
* Make rotation the default mode in 3d plots
* Replace an instance of m-script __calc_dimensions__ with C++ version
author | Jordi Guti?rrez Hermoso <jordigh@gmail.com> |
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date | Fri, 27 Aug 2010 15:11:35 -0400 |
parents | 40cf7cc4ea62 |
children | 91ff0d7ee94b |
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## Copyright (C) 2009 Ben Abbott ## ## 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} {} __actual_axis_position__ (@var{h}) ## @deftypefnx {Function File} {} __actual_axis_position__ (@var{axis_struct}) ## Undocumented internal function. ## @end deftypefn ## Author: Ben Abbott function pos = __actual_axis_position__ (axis_obj) if (ishandle (axis_obj)) axis_obj = get (axis_obj); endif ## When using {rltb}margin, Gnuplot does not handle the specified ## aspect ratio properly, so handle it here. if (__calc_dimensions__ (axis_obj.parent) == 2 || all (mod (axis_obj.view, 90) == 0)) aspect_ratio_2d = axis_obj.plotboxaspectratio(1:2); else ## FIXME -- this works for "axis square", but has not been ## thoroughly tested for other aspect ratios. aspect_ratio_2d = [max(axis_obj.plotboxaspectratio(1:2)), ... axis_obj.plotboxaspectratio(3)/sqrt(2)]; endif orig_fig_units = get (axis_obj.parent, "units"); orig_fig_position = get (axis_obj.parent, "position"); unwind_protect set (axis_obj.parent, "units", "pixels") fig_position = get (axis_obj.parent, "position"); pos_in_pixels = axis_obj.position .* fig_position([3, 4, 3, 4]); orig_aspect_ratio_2d = pos_in_pixels(3:4); rel_aspect_ratio_2d = aspect_ratio_2d ./ orig_aspect_ratio_2d; rel_aspect_ratio_2d = rel_aspect_ratio_2d ./ max (rel_aspect_ratio_2d); if (rel_aspect_ratio_2d(1) < rel_aspect_ratio_2d(2)); dx = (1.0 - rel_aspect_ratio_2d(1)) * pos_in_pixels(3); pos_in_pixels = pos_in_pixels + dx*[0.5, 0.0, -1.0, 0.0]; elseif (rel_aspect_ratio_2d(1) > rel_aspect_ratio_2d(2)) dy = (1.0 - rel_aspect_ratio_2d(2)) * pos_in_pixels(4); pos_in_pixels = pos_in_pixels + dy*[0.0, 0.5, 0.0, -1.0]; endif pos = pos_in_pixels ./ fig_position([3, 4, 3, 4]); unwind_protect_cleanup set (axis_obj.parent, "units", orig_fig_units) set (axis_obj.parent, "position", orig_fig_position) end_unwind_protect endfunction