mod: use settings module to save font configuration

reader.lua

@@ -20,6 +20,7 @@
 require "alt_getopt"
 require "pdfreader"
 require "filechooser"
+require "settings"
 
 -- option parsing:
 longopts = {
@@ -82,6 +83,14 @@ end
 fb = einkfb.open("/dev/fb0")
 width, height = fb:getSize()
 
+-- set up reader's setting: font
+reader_settings = DocSettings:open(".reader")
+r_cfont = reader_settings:readsetting("cfont")
+if r_cfont ~=nil then
+	FontChooser.cfont = r_cfont
+end
+
+
 if lfs.attributes(ARGV[optind], "mode") == "directory" then
 	local running = true
 	FileChooser:setPath(ARGV[optind])
@@ -102,5 +111,9 @@ else
 	PDFReader:inputloop()
 end
 
+-- save reader settings
+reader_settings:savesetting("cfont", FontChooser.cfont)
+reader_settings:close()
+
 input.closeAll()
 os.execute('test -e /proc/keypad && echo "send '..KEY_HOME..'" > /proc/keypad ')