Mercurial > octave
view scripts/gui/listfonts.m @ 31197:8d4c87e88d0e
maint: Merge stable to default.
author | Markus Mützel <markus.muetzel@gmx.de> |
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date | Tue, 23 Aug 2022 19:45:19 +0200 |
parents | 796f54d4ddbf |
children | 597f3ee61a48 |
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######################################################################## ## ## Copyright (C) 2020-2022 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 {} {fonts =} listfonts () ## @deftypefnx {} {fonts =} listfonts (@var{h}) ## List system fonts. ## ## If a handle to a graphics object @var{h} is provided, also include the ## font from the object's @qcode{"FontName"} property in the list. ## ## Programming Note: On systems that don't use FontConfig natively (all but ## Linux), the font cache is built when Octave is installed. You will need to ## run @code{system ("fc-cache -fv")} manually after installing new fonts. ## ## @seealso{uisetfont, text, axes, uicontrol} ## @end deftypefn function fonts = listfonts (h) if (nargin == 1 && (! ishghandle (h) || ! isprop (h, "fontname"))) error (['listfonts: H must be a handle to a graphics object ', ... 'with a "fontname" property']); endif persistent sysfonts = get_fonts (); fonts = sysfonts; if (nargin == 1 && ! isempty (h)) font = get (h, "fontname"); if (! strcmp (font, "*")) fonts = unique ([fonts font]); endif endif endfunction function fonts = get_fonts () fontfiles = __get_system_fonts__ (); fonts = unique ({fontfiles.family, "FreeSans"}); endfunction ## Test input validation %!error listfonts (0, 0) %!error <H must be a handle to a graphics object with a "fontname" property> %! s = listfonts (0); %!error <H must be a handle to a graphics object> %! s = listfonts (struct ());