// Bibliotheken einbinden
# include "Adafruit_GFX.h"
# include "Adafruit_ST7735.h"

/* 
  1,77 Zoll TFT
  # define TFT_PIN_CS   10   
  # define TFT_PIN_DC   9 
  # define TFT_PIN_RST  8  
  Adafruit_ST7735 tft = Adafruit_ST7735(TFT_PIN_CS, TFT_PIN_DC, TFT_PIN_RST); 
*/

// Adafruit TFT, WaveShare TFT 1,8 Zoll
# define TFT_CS        10
# define TFT_RST        9
# define TFT_DC          8

Adafruit_ST7735 tft = Adafruit_ST7735(TFT_CS, TFT_DC, TFT_RST);

// Farben
# define SCHWARZ    0x0000 // dezimal 0
# define BLAU       0x000F // dezimal 15
# define ROT        0xF800 // dezimal 406664
# define GRUEN      0x0E81 // dezimal 3713
# define CYAN       0x07FF // dezimal 2047
# define MAGENTA    0xF81F // dezimal 63519
# define GELB       0xAFE5 // dezimal 65504
# define WEISS      0xFFFF // dezimal 65535
# define BRAUN      0xFC00 // dezimal 64512
# define GRAU       0xF7F0 // dezimal 63472
# define GRUENGELB  0xAFE5 // dezimal 45029
# define DUNKELCYAN 0x03EF // dezimal 1007
# define ORANGE     0xFD20 // dezimal 64800
# define PINK       0xFC18 // dezimal 64536

void setup()
{
  tft.initR(INITR_BLACKTAB);

  // Rotation anpassen
  tft.setRotation(0);
}

void loop()
{
  TextSchreiben();
  LinienZiehen();
  Rechtecke();
  Kreise();
}

void TextSchreiben()
{
  tft.fillScreen(SCHWARZ);

  tft.setTextSize(1);
  tft.setCursor(1, 5);
  tft.setTextColor(WEISS);
  tft.print("Text");
  delay(500);

  tft.setTextSize(2);
  tft.setCursor(1, 20);
  tft.setTextColor(GELB);
  tft.print("Text");
  delay(500);

  tft.setTextSize(3);
  tft.setCursor(1, 40);
  tft.setTextColor(BRAUN);
  tft.print("Text");
  delay(500);

  tft.setTextSize(4);
  tft.setCursor(1, 70);
  tft.setTextColor(MAGENTA);
  tft.print("Text");

  delay(1000);
}

void LinienZiehen()
{
  tft.fillScreen(SCHWARZ);

  for (int i = 1; i < tft.height(); i += 6)
  {
    tft.drawLine(1, 1, tft.width(), i, BRAUN);
    delay(20);
  }
  delay(500);

  for (int i = 1; i < tft.height(); i += 6)
  {
    tft.drawLine(1, 1, tft.width(), i, GELB);
    delay(20);
  }
  delay(500);

  for (int i = 1; i < tft.height(); i += 6)
  {
    tft.drawLine(1, 1, tft.width(), i, SCHWARZ);
    delay(20);
  }
  delay(500);

  for (int i = 1; i < tft.height(); i += 6)
  {
    tft.drawLine(1, 1, tft.width(), i, SCHWARZ);
    delay(20);
  }
  delay(500);

  for (int i = 1; i < tft.height(); i += 6)
  {
    tft.drawFastHLine(1, i, tft.height(), GELB);
    delay(20);
  }
  delay(500);

  for (int i = 1; i < tft.height(); i += 6)
  {
    tft.drawFastHLine(1, i, tft.height(), SCHWARZ);
    delay(20);
  }
  delay(500);

  for (int i = 1; i < tft.height(); i += 6)
  {
    tft.drawFastVLine(i, 1, tft.height(), GRUEN);
    delay(20);
  }
  delay(500);

  for (int i = 1; i < tft.height() - 1; i += 6)
  {
    tft.drawFastVLine(i, 1, tft.height(), SCHWARZ);
    delay(20);
  }
  delay(500);
}

void Kreise()
{
  tft.fillScreen(SCHWARZ);

  for (int i = 1; i < 58; i ++)
  {
    tft.fillCircle(tft.width() / 2, tft.height() / 2, i, GELB);
    delay(20);
  }

  for (int i = 1; i < 48; i++)
  {
    tft.fillCircle(tft.width() / 2, tft.height() / 2, i, BLAU);
    delay(20);
  }

  for (int i = 1; i < 38; i ++)
  {
    tft.fillCircle(tft.width() / 2, tft.height() / 2, i, MAGENTA);
    delay(20);
  }

  for (int i = 1; i < 28; i++)
  {
    tft.fillCircle(tft.width() / 2, tft.height() / 2, i, GRUEN);
    delay(20);
  }

  for (int i = 1; i < 18; i++)
  {
    tft.fillCircle(tft.width() / 2, tft.height() / 2, i, ROT);
    delay(20);
  }

  for (int i = 1; i < 8; i++)
  {
    tft.fillCircle(tft.width() / 2, tft.height() / 2, i, GRAU);
    delay(20);
  }
  delay(500);

  for (int i = 1; i < 58; i ++)
  {
    tft.fillCircle(tft.width() / 2, tft.height() / 2, i, SCHWARZ);
    delay(20);
  }
  delay(500);

  for (int i = 1; i < 48; i++)
  {
    tft.fillCircle(80, tft.height() / 2, i, SCHWARZ);
    delay(20);
  }
  delay(500);


  for (int i = 1; i < 38; i ++)
  {
    tft.fillCircle(80, tft.height() / 2, i, SCHWARZ);
    delay(20);
  }
  delay(500);

  for (int i = 1; i < 28; i++)
  {
    tft.fillCircle(80, tft.height() / 2, i, SCHWARZ);
    delay(20);
  }
  delay(500);

  for (int i = 1; i < 18; i++)
  {
    tft.fillCircle(80, tft.height() / 2, i, SCHWARZ);
    delay(20);
  }
  for (int i = 1; i < 8; i++)
  {
    tft.fillCircle(80, tft.height() / 2, i, SCHWARZ);
    delay(20);
  }
}

void Rechtecke()
{
  tft.fillScreen(SCHWARZ);
  for (int i = 0; i < tft.width(); i += 6)
  {
    tft.drawRect(tft.width() / 2 - i / 2, tft.height() / 2 - i / 2 , i, i, GRUEN);
    delay(50);
  }

  for (int i = 0; i < tft.width(); i += 6)
  {
    tft.drawRect(tft.width() / 2 - i / 2, tft.height() / 2 - i / 2 , i, i, SCHWARZ);
    delay(50);
  }

  delay(2000);
  for (int i = 1; i < tft.width(); i += 6)
  {
    tft.drawRect(1, 1, i, i, ROT);
    delay(20);
  }
  delay(500);

  for (int i = 1; i < tft.width(); i += 6)
  {
    tft.drawRect(1, 1, i, i, SCHWARZ);
    delay(20);
  }

  for (int i = 0; i < tft.width(); i += 6)
  {
    tft.fillRoundRect(1, 1, i, i, 10, ROT);
    delay(20);
  }
  delay(500);

  for (int i = 0; i < tft.width(); i += 6)
  {
    tft.fillRoundRect(1, 1, i, i, 10, GRUEN);
    delay(20);
  }
}