public GMOperation font ( final String style , final int size , final String color ) { if ( isBlank ( style ) ) { throw new IllegalArgumentException ( "Text font style must be defined" ) ; } if ( isBlank ( color ) ) { throw new IllegalArgumentException ( "Text font color must be defined" ) ; } font ( style ) ; pointsize ( size ) ; fill ( color ) ; return this ; }
Defines font for text overlay .