add(value, digits) Instance Public methods Add the specified value. e.g. c = a.add(b,n) c = a + b digits If specified and less than the number of significant digits of the result, the result is rounded to that number of digits, according to ::mode.

marquee_anchor(*args) Instance Public methods

scan_dragto(x, y) Instance Public methods

encoding() Class Public methods Alias for: encoding_name

def_head_option(*opts, &block) Instance Public methods Alias for: define_head

bbox() Instance Public methods

Kconv.isutf8(str) => true or false Class Public methods Returns whether input encoding is UTF-8 or not.

define_with_name(name, data, keys={}) Class Public methods Alias for: new_with_name

skip_callback(name, *filter_list, &block) Instance Public methods Skip a previously set callback. Like set_callback, :if or :unless options may be passed in order to control when the callback is skipped. class Writer < Person skip_callback :validate, :before, :check_membership, if: -> { self.age > 18 } end

run_initializers(group=:default, *args) Instance Public methods