Flutter for Beginners

The paint method

The paint() method is where the CustomPainter does its job. It gets called whenever the widget is requested to redraw. This is what it looks like:

void paint (    Canvas canvas,    Size size)

The only two arguments it receives are as follows:

• canvas, where we draw effectively by using its draw*() methods
• size defines the bounds of the drawing, which we should consider

Paint operations should remain inside the given area. This is what the documentation says:

"Graphical operations outside the bounds may be silently ignored, clipped, or not clipped."