brightness property
Negative value will make it darker (-1 is darkest). Positive value will make it lighter (1 is the maximum, but you can go above it). Note: 0.0 is unchanged.
Implementation
final double brightness;
Negative value will make it darker (-1 is darkest). Positive value will make it lighter (1 is the maximum, but you can go above it). Note: 0.0 is unchanged.
final double brightness;