Draws a rectangle to the TFT screen. rect() takes 4 arguments, the first two are the top left corner of the shape, the last two are the width and height of the shape.
screen.rect(xStart, yStart, width, height);
xStart : int, the horizontal position where the line starts yStart : int, the vertical position where the line starts width : int, the width of the rectangle height : int, the height of the rectangle
none
#include <SPI.h>
#include <TFT.h> // Arduino TFT library
#define cs 10
#define dc 9
#define rst 8
TFT screen = TFT(cs, dc, rst);
void setup() {
// initialize the screen
screen.begin();
// make the background black
screen.background(0,0,0);
// set the stroke color to white
screen.stroke(255,255,255);
// set the fill color to grey
screen.fill(127,127,127);
// draw a rectangle in the center of screen
screen.rect(screen.width()/2-5, screen.height()/2-5, 10, 10);
}
void loop() {
}