U8g2FontUTF8FullUnifont.ino
/*******************************************************************************
 * U8g2 latest unifont-14.0.02 all glyphs example
 * Please note this font is 2,250,360 in size and cannot fit in many platform.
 * This font is generated by U8g2 tools:
 * u8g2/tools/font/bdfconv/./bdfconv -v -f 1 -b 1 -m "0-1114111" unifont_jp-14.0.02.bdf -o u8g2_font_unifont_h_utf8.h -n u8g2_font_unifont_h_utf8
 * Hello world in multiple languages
 * https://codegolf.stackexchange.com/questions/146544/hello-world-in-multiple-languages
 ******************************************************************************/

/*******************************************************************************
 * Start of Arduino_GFX setting
 *
 * Arduino_GFX try to find the settings depends on selected board in Arduino IDE
 * Or you can define the display dev kit not in the board list
 * Defalult pin list for non display dev kit:
 * Arduino Nano, Micro and more: CS:  9, DC:  8, RST:  7, BL:  6, SCK: 13, MOSI: 11, MISO: 12
 * ESP32 various dev board     : CS:  5, DC: 27, RST: 33, BL: 22, SCK: 18, MOSI: 23, MISO: nil
 * ESP32-C3 various dev board  : CS:  7, DC:  2, RST:  1, BL:  3, SCK:  4, MOSI:  6, MISO: nil
 * ESP32-S2 various dev board  : CS: 34, DC: 38, RST: 33, BL: 21, SCK: 36, MOSI: 35, MISO: nil
 * ESP32-S3 various dev board  : CS: 40, DC: 41, RST: 42, BL: 48, SCK: 36, MOSI: 35, MISO: nil
 * ESP8266 various dev board   : CS: 15, DC:  4, RST:  2, BL:  5, SCK: 14, MOSI: 13, MISO: 12
 * Raspberry Pi Pico dev board : CS: 17, DC: 27, RST: 26, BL: 28, SCK: 18, MOSI: 19, MISO: 16
 * RTL8720 BW16 old patch core : CS: 18, DC: 17, RST:  2, BL: 23, SCK: 19, MOSI: 21, MISO: 20
 * RTL8720_BW16 Official core  : CS:  9, DC:  8, RST:  6, BL:  3, SCK: 10, MOSI: 12, MISO: 11
 * RTL8722 dev board           : CS: 18, DC: 17, RST: 22, BL: 23, SCK: 13, MOSI: 11, MISO: 12
 * RTL8722_mini dev board      : CS: 12, DC: 14, RST: 15, BL: 13, SCK: 11, MOSI:  9, MISO: 10
 * Seeeduino XIAO dev board    : CS:  3, DC:  2, RST:  1, BL:  0, SCK:  8, MOSI: 10, MISO:  9
 * Teensy 4.1 dev board        : CS: 39, DC: 41, RST: 40, BL: 22, SCK: 13, MOSI: 11, MISO: 12
 ******************************************************************************/
#include <U8g2lib.h>
#include <Arduino_GFX_Library.h>

#define GFX_BL DF_GFX_BL // default backlight pin, you may replace DF_GFX_BL to actual backlight pin

/* More dev device declaration: https://github.com/moononournation/Arduino_GFX/wiki/Dev-Device-Declaration */
#if defined(DISPLAY_DEV_KIT)
Arduino_GFX *gfx = create_default_Arduino_GFX();
#else /* !defined(DISPLAY_DEV_KIT) */

/* More data bus class: https://github.com/moononournation/Arduino_GFX/wiki/Data-Bus-Class */
Arduino_DataBus *bus = create_default_Arduino_DataBus();

/* More display class: https://github.com/moononournation/Arduino_GFX/wiki/Display-Class */
Arduino_GFX *gfx = new Arduino_ILI9341(bus, DF_GFX_RST, 3 /* rotation */, false /* IPS */);

#endif /* !defined(DISPLAY_DEV_KIT) */
/*******************************************************************************
 * End of Arduino_GFX setting
 ******************************************************************************/

/* more fonts at: https://github.com/moononournation/ArduinoFreeFontFile.git */

String helloWorldStrings[] = {
    "Hello Wêreld!",                                        // Afrikaans
    "Përshendetje Botë!",                                   // Albanian
    "ሰላም ልዑል!",                                             // Amharic
    "مرحبا بالعالم!",                                       // Arabic
    "Բարեւ աշխարհ!",                                        // Armenian
    "Kaixo Mundua!",                                        // Basque
    "Прывітанне Сусвет!",                                   // Belarussian
    "ওহে বিশ্ব!",                                            // Bengali
    "Здравей свят!",                                        // Bulgarian
    "Hola món!",                                            // Catalan
    "Moni Dziko Lapansi!",                                  // Chichewa
    "世界你好！",                                           // Chinese
    "Pozdrav svijete!",                                     // Croatian
    "Ahoj světe!",                                          // Czech
    "Hej Verden!",                                          // Danish
    "Hallo Wereld!",                                        // Dutch
    "Hello World!",                                         // English
    "Tere maailm!",                                         // Estonian
    "Hei maailma!",                                         // Finnish
    "Bonjour monde!",                                       // French
    "Hallo wrâld!",                                         // Frisian
    "გამარჯობა მსოფლიო!",                                   // Georgian
    "Hallo Welt!",                                          // German
    "Γειά σου Κόσμε!",                                      // Greek
    "Sannu Duniya!",                                        // Hausa
    "שלום עולם!",                                           // Hebrew
    "नमस्ते दुनिया!",                                          // Hindi
    "Helló Világ!",                                         // Hungarian
    "Halló heimur!",                                        // Icelandic
    "Ndewo Ụwa!",                                           // Igbo
    "Halo Dunia!",                                          // Indonesian
    "Ciao mondo!",                                          // Italian
    "こんにちは世界！",                                     // Japanese
    "Сәлем Әлем!",                                          // Kazakh
    "សួស្តី​ពិភពលោក!",          // Khmer
    "Салам дүйнө!",                                         // Kyrgyz
    "ສະ​ບາຍ​ດີ​ຊາວ​ໂລກ!", // Lao
    "Sveika pasaule!",                                      // Latvian
    "Labas pasauli!",                                       // Lithuanian
    "Moien Welt!",                                          // Luxemburgish
    "Здраво свету!",                                        // Macedonian
    "Hai dunia!",                                           // Malay
    "ഹലോ വേൾഡ്!",                                           // Malayalam
    "Сайн уу дэлхий!",                                      // Mongolian
    "မင်္ဂလာပါကမ္ဘာလောက!",                                     // Myanmar
    "नमस्कार संसार!",                                         // Nepali
    "Hei Verden!",                                          // Norwegian
    "سلام نړی!",                                            // Pashto
    "سلام دنیا!",                                           // Persian
    "Witaj świecie!",                                       // Polish
    "Olá Mundo!",                                           // Portuguese
    "ਸਤਿ ਸ੍ਰੀ ਅਕਾਲ ਦੁਨਿਆ!",                                   // Punjabi
    "Salut Lume!",                                          // Romanian
    "Привет мир!",                                          // Russian
    "Hàlo a Shaoghail!",                                    // Scots Gaelic
    "Здраво Свете!",                                        // Serbian
    "Lefatše Lumela!",                                      // Sesotho
    "හෙලෝ වර්ල්ඩ්!",                                           // Sinhala
    "Pozdravljen svet!",                                    // Slovenian
    "¡Hola Mundo!",                                         // Spanish, Leading '¡' optional
    "Halo Dunya!",                                          // Sundanese
    "Salamu Dunia!",                                        // Swahili
    "Hej världen!",                                         // Swedish
    "Салом Ҷаҳон!",                                         // Tajik
    "สวัสดีชาวโลก!",                                          // Thai
    "Selam Dünya!",                                         // Turkish
    "Привіт Світ!",                                         // Ukrainian
    "Salom Dunyo!",                                         // Uzbek
    "Chào thế giới!",                                       // Vietnamese
    "Helo Byd!",                                            // Welsh
    "Molo Lizwe!",                                          // Xhosa
    "העלא וועלט!",                                          // Yiddish
    "Mo ki O Ile Aiye!",                                    // Yoruba
    "Sawubona Mhlaba!"                                      // Zulu
};

void setup(void)
{
  Serial.begin(115200);
  // Serial.setDebugOutput(true);
  // while(!Serial);
  Serial.println("Arduino_GFX U8g2 Font UTF8 Full Unifont example");

#ifdef GFX_EXTRA_PRE_INIT
  GFX_EXTRA_PRE_INIT();
#endif

  // Init Display
  if (!gfx->begin())
  {
    Serial.println("gfx->begin() failed!");
  }
  gfx->fillScreen(BLACK);
  gfx->setUTF8Print(true); // enable UTF8 support for the Arduino print() function

#ifdef GFX_BL
  pinMode(GFX_BL, OUTPUT);
  digitalWrite(GFX_BL, HIGH);
#endif

  gfx->setCursor(0, 14);
  gfx->setFont(u8g2_font_unifont_h_utf8);
  gfx->println("Hello world in multiple languages");

  delay(2000); // 2 seconds
}

void loop()
{
  gfx->setCursor(random(gfx->width() / 4), random(gfx->height() - 32) + 16);
  gfx->setTextColor(random(0xffff), random(0xffff));
  gfx->setTextSize(random(2) + 2 /* x scale */, random(2) + 2 /* y scale */);
  gfx->println(helloWorldStrings[random(74)]);

  delay(500); // 0.5 second
}