From 471bdac9081a410565ff7c07f2966399b0d947dc Mon Sep 17 00:00:00 2001
From: Oliver von Seydlitz <olivervons@yahoo.com>
Date: Wed, 28 Feb 2024 15:31:10 +0100
Subject: [PATCH] load fonts from file if not available on system

---
 fth/fth-lang.sty | 20 ++++++++++++++++----
 1 file changed, 16 insertions(+), 4 deletions(-)

diff --git a/fth/fth-lang.sty b/fth/fth-lang.sty
index d9868fc..c43d114 100644
--- a/fth/fth-lang.sty
+++ b/fth/fth-lang.sty
@@ -30,8 +30,20 @@
 % Fonts für die Sprachen *
 % ========================
 \RequirePackage{fontspec}
-\newfontfamily{\greekfont}{SBL Greek}
-\newfontfamily{\greekfontsf}{SBL Greek}
-\newfontfamily{\hebrewfont}{SBL Hebrew}
-\newfontfamily{\hebrewfontsf}{SBL Hebrew}
+
+% Zunächst wird versucht, den Font über das System zu laden, andernfalls wird lokal nach einer passenden Datei gesucht (z.B. bei Overleaf nötig)
+\IfFontExistsTF{SBL Greek}{
+	\newfontfamily{\greekfont}{SBL Greek}
+	\newfontfamily{\greekfontsf}{SBL Greek}
+}{
+	\newfontfamily{\greekfont}{SBL_grk.ttf}
+	\newfontfamily{\greekfontsf}{SBL_grk.ttf}
+}
+\IfFontExistsTF{SBL Hebrew}{
+	\newfontfamily{\hebrewfont}{SBL Hebrew}
+	\newfontfamily{\hebrewfontsf}{SBL Hebrew}
+}{
+	\newfontfamily{\hebrewfont}{SBL_Hbrw.ttf}
+	\newfontfamily{\hebrewfontsf}{SBL_Hbrw.ttf}
+}