built with Processing

void setup () {
// define size of display window
size(1300, 500);
// declare font variable
PFont font;
// load font (the .vlw file must be placed in the data folder of the sketch)
font = loadFont("Helvetica.vlw");
// set current font
textFont(font);
}
void draw () {
// background colour
background(179, 217, 241);
// font colour
fill(0, 0, 0);
// font size
textSize(mouseX);
// write "..." at coordinate x,y
text("HELLO", 60, 450) ;
}