dropTopPct

function Rect.dropTopPct(rect: Rect, amount: number): Rect

Removes a percentage of the rectangle's height from the top edge, moving the top position downward. The amount should be between 0 and 1.

Example

data-first

Rect.dropTopPct({ left: 10, top: 20, width: 100, height: 80 }, 0.25);
// { left: 10, top: 40, width: 100, height: 60 }

data-last

pipe({ left: 10, top: 20, width: 100, height: 80 }, Rect.dropTopPct(0.25));
// { left: 10, top: 40, width: 100, height: 60 }