Rectangle<T extends num> constructor Null safety
- T left,
- T top,
- T width,
- T height
Create a rectangle spanned by (left, top)
and
(left+width, top+height)
.
The rectangle contains the points
with x-coordinate between left
and left + width
, and
with y-coordinate between top
and top + height
, both inclusive.
The width
and height
should be non-negative.
If width
or height
are negative, they are clamped to zero.
If width
and height
are zero, the "rectangle" comprises only the
single point (left, top)
.
Implementation
const Rectangle(this.left, this.top, T width, T height)
: width = (width < 0)
? (-width * 0) as dynamic
: width, // Inline _clampToZero<num>.
height = (height < 0) ? (-height * 0) as dynamic : height;