Use fc-scan for proper font name

One should build fontconfig before install

.gitignore

@@ -0,0 +1,3 @@
+system/fonts/*.ttf
+system/etc/fonts.xml
+tool

.gitmodules

@@ -0,0 +1,3 @@
+[submodule "fontconfig"]
+	path = fontconfig
+	url = https://gitlab.freedesktop.org/fontconfig/fontconfig

META-INF/com/google/android/update-binary

@@ -0,0 +1,33 @@
+#!/sbin/sh
+
+#################
+# Initialization
+#################
+
+umask 022
+
+# echo before loading util_functions
+ui_print() { echo "$1"; }
+
+require_new_magisk() {
+  ui_print "*******************************"
+  ui_print " Please install Magisk v20.4+! "
+  ui_print "*******************************"
+  exit 1
+}
+
+#########################
+# Load util_functions.sh
+#########################
+
+OUTFD=$2
+ZIPFILE=$3
+
+mount /data 2>/dev/null
+
+[ -f /data/adb/magisk/util_functions.sh ] || require_new_magisk
+. /data/adb/magisk/util_functions.sh
+[ $MAGISK_VER_CODE -lt 20400 ] && require_new_magisk
+
+install_module
+exit 0

META-INF/com/google/android/updater-script

@@ -0,0 +1 @@
+#MAGISK

build.sh

@@ -0,0 +1,12 @@
+#! bash
+
+pushd fontconfig
+rm -rf build
+meson build
+ninja -C build
+cp build/fc-scan/fc-scan build/src/libfontconfig.so* ../tool
+echo '<fontconfig></fontconfig>' > tool/fonts.conf
+popd
+rm -rf system/etc
+rm -rf MagiskFonts.zip
+7z a MagiskFonts.zip META-INF customize.sh module.prop system tool

customize.sh

@@ -0,0 +1,26 @@
+#! sh
+
+if [ -z $MAGISK_VER ]; then
+	echo "If you see this in the installation process, please cancel it."
+	ui_print() { echo "$@" 1>&2; }
+	set_perm_recursive() { return; }
+	MODPATH=$PWD
+fi
+
+ui_print "Pull original fonts.xml"
+mkdir -p $MODPATH/system/etc
+head -n -1 $(magisk --path)/.magisk/mirror/system/etc/fonts.xml >$MODPATH/system/etc/fonts.xml
+
+set_perm_recursive $MODPATH/tool root root 700 700
+
+ui_print "Injecting custom fonts"
+for fontfile in $(ls $MODPATH/system/fonts); do
+	fontname=$(FONTCONFIG_PATH=$MODPATH/tool LD_LIBRARY_PATH=$MODPATH/tool $MODPATH/tool/fc-scan -f '%{postscriptname}' $MODPATH/system/fonts/$fontfile)
+	ui_print "Add custom fonts $fontname"
+	echo '	<family name="'$fontname'">' >>$MODPATH/system/etc/fonts.xml
+	echo "		<font>$fontfile</font>" >>$MODPATH/system/etc/fonts.xml
+	echo "	</family>" >>$MODPATH/system/etc/fonts.xml
+done
+
+echo "</familyset>" >>$MODPATH/system/etc/fonts.xml
+ui_print "New fonts.xml generated"

module.prop

@@ -0,0 +1,6 @@
+id=costume_fonts
+name=Costume Fonts
+version=1.0
+versionCode=1
+author=Jing Matrix
+description=Add costume fonts for systemwise usage