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########################################################################
##
## Copyright (C) 2009-2024 The Octave Project Developers
##
## See the file COPYRIGHT.md in the top-level directory of this
## distribution or <https://octave.org/copyright/>.
##
## 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
## <https://www.gnu.org/licenses/>.
##
########################################################################
## -*- texinfo -*-
## @deftypefn {} {@var{pos} =} __actual_axis_position__ (@var{h})
## @deftypefnx {} {@var{pos} =} __actual_axis_position__ (@var{axis_struct})
## Undocumented internal function.
## @end deftypefn
function pos = __actual_axis_position__ (h)
if (ishghandle (h))
axis_obj = get (h);
elseif (isstruct (h))
axis_obj = h;
h = axis_obj.__axes_handle__;
endif
## Get figure size in pixels
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");
unwind_protect_cleanup
set (axis_obj.parent, "units", orig_fig_units,
"position", orig_fig_position);
end_unwind_protect
## Get axes size in pixels
if (strcmp (get (axis_obj.parent, "__graphics_toolkit__"), "gnuplot")
&& strcmp (axis_obj.positionconstraint, "outerposition"))
pos_in_pixels = axis_obj.outerposition .* fig_position([3, 4, 3, 4]);
else
pos_in_pixels = axis_obj.position .* fig_position([3, 4, 3, 4]);
endif
nd = __calc_dimensions__ (h);
if (strcmp (axis_obj.plotboxaspectratiomode, "manual")
|| strcmp (axis_obj.dataaspectratiomode, "manual"))
## When using {rltb}margin, Gnuplot does not handle the specified
## aspect ratio properly, so handle it here.
if (nd == 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_aspect_ratio_2d = pos_in_pixels(3:4);
rel_aspect_ratio_2d = aspect_ratio_2d ./ orig_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 += 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 += dy*[0.0, 0.5, 0.0, -1.0];
endif
pos = pos_in_pixels ./ fig_position([3, 4, 3, 4]);
elseif (strcmp (get (axis_obj.parent, "__graphics_toolkit__"), "gnuplot")
&& strcmp (axis_obj.positionconstraint, "outerposition"))
pos = axis_obj.outerposition;
else
pos = axis_obj.position;
endif
endfunction
## No test coverage for internal function. It is tested through calling fcn.
%!assert (1)
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