helpers.h

#ifndef Helpers_h
#define Helpers_h

#include "Adafruit_SH110X.h"
#include "Adafruit_GFX.h"
extern Adafruit_SH1106G display;

int centeredText(const char *buf, int x, int y, int color, int lineheight=8) {
  int16_t x1, y1;
  uint16_t w, h;
  char *line_pointer = strchr(buf, '\n');
  display.setTextColor(color);
  if (!line_pointer) {
    display.getTextBounds(buf, 0, 0, &x1, &y1, &w, &h); //calc width of new string
    display.setCursor(x - (w / 2), y - (h / 2));
    display.print(buf);
  }else {
    char *tmp = strdup(buf);
    char* d = strtok(tmp, "\n");
    int line = 0;
    while (d != NULL) {
        display.getTextBounds(d, 0, 0, &x1, &y1, &w, &h); //calc width of new string
        display.setCursor(x - (w / 2), y - (h / 2)-lineheight/2 + (line*lineheight));
        display.print(d);
        d = strtok(NULL, ",");
        line++;
    }
    free(tmp);
  }
  return w;
}



#endif