add setTextAlignment

Author: thijstriemstra

SSD1306_OLEDDisplay_Mux/SSD1306_OLEDDisplay_Mux.cpp

@@ -31,7 +31,7 @@ void SSD1306_OLEDDisplay_Mux::begin() {
   if (_flipVertical == true) {
     _display->flipScreenVertically();
   }
-  _display->setTextAlignment(TEXT_ALIGN_CENTER);
+  setTextAlignment(TEXT_ALIGN_CENTER);
   _display->setFont(Arimo_Regular_30);
 
   _expander->closeChannel(_expanderChannel);
@@ -80,6 +80,10 @@ void SSD1306_OLEDDisplay_Mux::writeSmall(String msg, int16_t x, int16_t y, bool
   _expander->closeChannel(_expanderChannel);
 }
 
+void SSD1306_OLEDDisplay_Mux::setTextAlignment(OLEDDISPLAY_TEXT_ALIGNMENT textAlignment) {
+  _display->setTextAlignment(textAlignment);
+}
+
 void SSD1306_OLEDDisplay_Mux::disable() {
   _expander->openChannel(_expanderChannel);
 

SSD1306_OLEDDisplay_Mux/SSD1306_OLEDDisplay_Mux.h

@@ -27,6 +27,7 @@ class SSD1306_OLEDDisplay_Mux {
     void loop();
     void disable();
     void enable();
+    void setTextAlignment(OLEDDISPLAY_TEXT_ALIGNMENT textAlignment);
     void writeBig(String msg, int16_t x = 64, int16_t y = 0, bool clear_display = true);
     void writeSmall(String msg, int16_t x = 64, int16_t y = 4, bool clear_display = true);
     void drawImage(