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Fall back to default font if Libertinus is unavailable #7

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Oct 2, 2018
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Fall back to default font if Libertinus is unavailable #7

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8 changes: 8 additions & 0 deletions ChangeLog
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Original file line number Diff line number Diff line change
@@ -1,3 +1,11 @@
2018-10-02 Ista Zahn <istazahn@gmail.com>

* inst/iqssDemo/beamerfontthemeiqss.sty: Fall back to default font
if Libertinus is unavailable

* inst/rmarkdown/templates/iqss/skeleton/beamerfontthemeiqss.sty:
Ditto

2018-09-27 Dirk Eddelbuettel <edd@debian.org>

* DESCRIPTION (Version, Date): Release 0.0.2
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2 changes: 1 addition & 1 deletion README.md
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Expand Up @@ -191,7 +191,7 @@ These themes use additional (free) fonts you may need to install:

- [Metropolis](https://github.com/matze/mtheme) wants [Fira Sans](https://github.com/mozilla/Fira)
but can proceed with alternate fonts;
- [IQSS Beamer Theme](https://github.com/IQSS/iqss-beamer-theme) really requires
- [IQSS Beamer Theme](https://github.com/IQSS/iqss-beamer-theme) wants
[Libertinus](https://github.com/libertinus-fonts/libertinus), see the
[IQSS Beamer Theme](https://github.com/IQSS/iqss-beamer-theme) page for details.
- [Presento Theme](https://github.com/RatulSaha/presento) wants
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49 changes: 45 additions & 4 deletions inst/iqssDemo/beamerfontthemeiqss.sty
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@@ -1,7 +1,48 @@
\usefonttheme{professionalfonts}

\RequirePackage{fontspec}

\setmainfont{Libertinus Serif}
\setsansfont{Libertinus Sans}
\setmathfont{Libertinus Math}
\setmonofont{Libertinus Mono}
%% checkfont and iffontsavaiable copied from the metropolis theme
%% by Matthias Vo­gelge­sang.
% Checks if a font is installed; if not, |fontsnotfound| is increased.
\newcounter{fontsnotfound}
\newcommand{\checkfont}[1]{%
\suppressfontnotfounderror=1%
\font\x = "#1" at 10pt
\selectfont
\ifx\x\nullfont%
\stepcounter{fontsnotfound}%
\fi%
\suppressfontnotfounderror=0%
}
% Resets the |fontsnotfound| counter and calls |\checkfont| for each font in
% the comma separated list in the first argument.
\newcommand{\iffontsavailable}[3]{%
\setcounter{fontsnotfound}{0}%
\expandafter\forcsvlist\expandafter%
\checkfont\expandafter{#1}%
\ifnum\value{fontsnotfound}=0%
#2%
\else%
#3%
\fi%
}

\iffontsavailable{Libertinus Serif,%
Libertinus Sans,%
LibertinusMath,%
Libertinus Mono}%
{%
\setmainfont{Libertinus Serif}
\setsansfont{Libertinus Sans}
\setmathfont{Libertinus Math}
\setmonofont{Libertinus Mono}
}{%
\PackageWarning{beamerthememeiqss}{%
Could not find Libertinus fonts.
Please install them from
https://github.com/libertinus-fonts/libertinus/releases
following the instructions at
https://github.com/IQSS/iqss-beamer-theme/blob/master/README.md%
}
}
49 changes: 45 additions & 4 deletions inst/rmarkdown/templates/iqss/skeleton/beamerfontthemeiqss.sty
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Original file line number Diff line number Diff line change
@@ -1,7 +1,48 @@
\usefonttheme{professionalfonts}

\RequirePackage{fontspec}

\setmainfont{Libertinus Serif}
\setsansfont{Libertinus Sans}
\setmathfont{Libertinus Math}
\setmonofont{Libertinus Mono}
%% checkfont and iffontsavaiable copied from the metropolis theme
%% by Matthias Vo­gelge­sang.
% Checks if a font is installed; if not, |fontsnotfound| is increased.
\newcounter{fontsnotfound}
\newcommand{\checkfont}[1]{%
\suppressfontnotfounderror=1%
\font\x = "#1" at 10pt
\selectfont
\ifx\x\nullfont%
\stepcounter{fontsnotfound}%
\fi%
\suppressfontnotfounderror=0%
}
% Resets the |fontsnotfound| counter and calls |\checkfont| for each font in
% the comma separated list in the first argument.
\newcommand{\iffontsavailable}[3]{%
\setcounter{fontsnotfound}{0}%
\expandafter\forcsvlist\expandafter%
\checkfont\expandafter{#1}%
\ifnum\value{fontsnotfound}=0%
#2%
\else%
#3%
\fi%
}

\iffontsavailable{Libertinus Serif,%
Libertinus Sans,%
LibertinusMath,%
Libertinus Mono}%
{%
\setmainfont{Libertinus Serif}
\setsansfont{Libertinus Sans}
\setmathfont{Libertinus Math}
\setmonofont{Libertinus Mono}
}{%
\PackageWarning{beamerthememeiqss}{%
Could not find Libertinus fonts.
Please install them from
https://github.com/libertinus-fonts/libertinus/releases
following the instructions at
https://github.com/IQSS/iqss-beamer-theme/blob/master/README.md%
}
}