NAME

       tickit_pen_is_nonempty, tickit_pen_is_nondefault - test if a pen has attributes defined

SYNOPSIS

       #include <tickit.h>

       bool tickit_pen_is_nonempty(TickitPen *pen);
       bool tickit_pen_is_nondefault(TickitPen *pen);

       Link with -ltickit.

DESCRIPTION

       tickit_pen_is_nonempty()  tests whether a pen instance has any attribute defined on it. It
       returns true even if those attributes take default values.

       tickit_pen_is_nondefault() tests whether a pen instance has any attribute with non-default
       values defined on it. It false if the pen has no defined attributes, or all of the defined
       attributes take only the default value for their type.

RETURN VALUE

       tickit_pen_is_nonempty() and tickit_pen_is_nondefault() return a boolean.

SEE ALSO

       tickit_pen_new(3),        tickit_pen_set_bool_attr(3),         tickit_pen_set_int_attr(3),
       tickit_pen_set_colour_attr(3), tickit_pen_clear(3), tickit_pen(7), tickit(7)

                                                                        TICKIT_PEN_IS_NONEMPTY(3)