focus property
Returns the color index value for a focus state depending on the ZetaContrast value.
For ZetaContrast.aa, it returns 80. For ZetaContrast.aaa, it returns 100.
Implementation
int get focus {
switch (this) {
case ZetaContrast.aa:
return 80;
case ZetaContrast.aaa:
return 100;
}
}