textmode.js / media / TextmodeImage / brightnessRange

Method: brightnessRange()

brightnessRange(start, end): this;

Capture only source pixels whose brightness is inside the inclusive byte range.

Pixels outside the range are discarded by the built-in brightness converter, leaving the corresponding textmode cells transparent.

Parameters

Parameter	Type	Description
start	number	Minimum brightness to capture, from 0 (black) to 255 (white).
end	number	Maximum brightness to capture, from 0 (black) to 255 (white).

Returns

this

This instance for chaining.

Example

Inherited from

TextmodeSource.brightnessRange