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#
# tkextlib/blt/barchart.rb
# by Hidetoshi NAGAI (nagai@ai.kyutech.ac.jp)
#
require 'tk'
require 'tkextlib/blt.rb'
require 'tkextlib/blt/component.rb'
module Tk::BLT
class Barchart < TkWindow
TkCommandNames = ['::blt::barchart'.freeze].freeze
WidgetClassName = 'Barchart'.freeze
WidgetClassNames[WidgetClassName] = self
include PlotComponent
def __boolval_optkeys
['bufferelements', 'invertxy']
end
private :__boolval_optkeys
def __strval_optkeys
['text', 'label', 'title', 'file']
end
private :__strval_optkeys
BarElement_ID = ['blt_barchart_bar'.freeze, '00000'.taint].freeze
def bar(elem=nil, keys={})
if elem.kind_of?(Hash)
keys = elem
elem = nil
end
unless elem
elem = BarElement_ID.join(TkCore::INTERP._ip_id_).freeze
BarElement_ID[1].succ!
end
tk_send('bar', elem, keys)
Element.new(self, elem, :without_creating=>true)
end
def extents(item)
num_or_str(tk_send_without_enc('extents', item))
end
def invtransform(x, y)
list(tk_send_without_enc('invtransform', x, y))
end
def inside(x, y)
bool(tk_send_without_enc('inside', x, y))
end
def metafile(file=None)
# Windows only
tk_send('metafile', file)
self
end
def snap(output, keys={})
tk_send_without_enc('snap', *(hash_kv(keys, false) + output))
self
end
def transform(x, y)
list(tk_send_without_enc('transform', x, y))
end
end
end
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