**''<Contrast>''**\\


''<Contrast> == [[real|<Real>]]''

A real number determines the contrast change of the picture or a picture area.

Nubers between -1.0 and 1.0 mean the brightness change itself, numbers between 1.0 and 100.0 - and -between -100.0 and -1.0 - will be interpreted as percent values, and divided by 100.