dropTopPx

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

Removes a specified number of pixels from the rectangle's height at the top edge, moving the top position downward.

Example

data-first

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

data-last

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