void Graphics::drawChar( int16_t x , int16_t y , unsigned char c , uint8_t size )
Graphics::drawChar draws a character at (x, y) to the screen with a certain size.
- int16_t x: x-position of the character
- int16_t y: y-position of the character
- unsigned char c: character to draw
- uint8_t size: size of the caharacter