src/mako/pixl/Image.php
public function brightness($level = 50): Image
	{
		// Normalize brighness level

		$level = min(max($level, -100), 100);

		// Adjust brightness

		$this->processor->brightness($level);

		return $this;
	}
public function brightness($level = 50): Image
	{
		// Normalize brighness level

		$level = min(max($level, -100), 100);

		// Adjust brightness

		$this->processor->brightness($level);

		return $this;
	}
public function brightness ( $ level = 50 ) : Image { // Normalize brighness level $ level = min ( max ( $ level , - 100 ) , 100 ) ; // Adjust brightness $ this -> processor -> brightness ( $ level ) ; return $ this ; }
Adjust image brightness.

@param  int              $level Brightness level (-100 to 100)
@return \mako\pixl\Image
Adjust image brightness .