Hi!
Let's say a widget is at position x10 y20 and it's size are width 2 and height 4:
The pixel positions are:
[x10, y20] [x11, y20]
[x10, y21] [x11, y21]
[x10, y22] [x11, y22]
[x10, y23] [x11, y23]
We know that our widget has 2 of width and 4 of height, right?
Let's prove it:
Width = X2 -...