Print: set printer default font for printing text ...

E.g. used for prn_sendText().
E.g. in Lithuania only printer font table 24 supports special Lithuanian
charcters.
Other projects my not have font table 24 installed in printers. They use
e.g. printer font table 8.

src/ATBAPP/ATBDeviceControllerPlugin.cpp

@@ -48,6 +48,12 @@ PLUGIN_STATE ATBDeviceControllerPlugin::initDCPlugin(QObject *eventReceiver, con
 
     this->initTicketTemplateList(&settings);
 
+    // configurable default printer settings for 'prn_sendText()' used e.g. for bank receipts
+    this->printerDefaultFont.font   = settings.value("ATBDeviceControllerPlugin/printerDefaultFont",    "8").toUInt();
+    this->printerDefaultFont.size   = settings.value("ATBDeviceControllerPlugin/printerDefaultSize",   "12").toUInt();
+    this->printerDefaultFont.width  = settings.value("ATBDeviceControllerPlugin/printerDefaultWidth",   "0").toUInt();
+    this->printerDefaultFont.height = settings.value("ATBDeviceControllerPlugin/printerDefaultHeight",  "0").toUInt();
+
     this->init_sc_dbus();
 
     QString persistentDataFile = "/mnt/system_data/dc_persistentData.dat";
@@ -802,7 +808,10 @@ void ATBDeviceControllerPlugin::requestPrintReceipt(const QString & printingStri
 
     //QByteArray ba = printingString.toUtf8();
     hw->prn_switchPower(true);
-    hw->prn_setFonts(8,12,0,0);
+    hw->prn_setFonts(printerDefaultFont.font,
+                     printerDefaultFont.size,
+                     printerDefaultFont.width,
+                     printerDefaultFont.height);
     hw->prn_sendText(&ba_receipt);
 
     // DEBUG