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ruby--ruby/ext/tk/sample/tkextlib/blt/graph7c.rb
nagai 334325f72a * ext/tk/lib/tk.rb (_callback_entry_class?): add for checking whether
a class is available for a callback entry.
* ext/tk/lib/tk.rb (after_cancel): add Tk.after_cancel(afterID) method.
* ext/tk/lib/tk.rb (array2tk_list): change from private module method
  of TkComm to public module method.
* ext/tk/lib/tk.rb (cget): add check that slot argument is not empty string.
* ext/tk/lib/tk.rb (configinfo): ditto.
* ext/tk/lib/tk/itemconfig.rb (itemcget): add check that slot argument
  is not empty string.
* ext/tk/lib/tk/itemconfig.rb (itemconfiginfo): ditto.
* ext/tk/lib/tk/entry.rb: add TkEntry#icursor and icursor= (alias of
  cursor and cursor= method).
* ext/tk/lib/tk/font.rb: improve font treatment when the font name is
  empty string.
* ext/tk/lib/tk/variable.rb: add :variable, :window and :procedure type.
* ext/tk/lib/tk/variable.rb: improve treatment of array-type tkvariable.
* ext/tk/lib/tkextlib/blt.rb: add commands for zooming.
* ext/tk/lib/tkextlib/blt/*: bug fix.
* ext/tk/lib/tkextlib/treectrl/tktreectrl.rb: bug fix and add methods
  to call TreeCtrl commands for bindings.
* ext/tk/sample/tkextlib/blt/*: new sample scritps.
* ext/tk/sample/tkextlib/treectrl/*: ditto.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@8195 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2005-03-26 13:58:11 +00:00

45 lines
1.2 KiB
Ruby

#!/usr/bin/env ruby
require 'tk'
require 'tkextlib/blt'
length = 250000
graph = Tk::BLT::Graph.new(:title=>"Scatter Plot\n#{length} points")
graph.xaxis_configure(:loose=>false, :title=>'X Axis Label')
graph.yaxis_configure(:title=>'Y Axis Label')
graph.legend_configure(:activerelief=>:sunken, :background=>'')
Tk::BLT::Table.add(Tk.root, graph, [0,0], :fill=>:both)
v_x = Tk::BLT::Vector.new(length)
v_y = Tk::BLT::Vector.new(length)
x = Array.new(length)
y = Array.new(length)
(0...length).each{|i|
x[i] = rand
y[i] = rand
}
v_x.set(x)
v_y.set(y)
plot = Tk::BLT::PlotComponent::Element.new(graph, :symbol=>:square,
:color=>'green4', :fill=>'green2',
:linewidth=>0, :outlinewidth=>1,
:pixels=>4, :label=>'plot',
:xdata=>v_x, :ydata=>v_y)
Tk.root.minsize(0, 0)
#graph.zoom_stack
#graph.crosshairs
#graph.active_legend
#graph.closest_point
Tk::BLT.zoom_stack(graph)
Tk::BLT.crosshairs(graph)
Tk::BLT.active_legend(graph)
Tk::BLT.closest_point(graph)
Tk::BLT::Busy.hold(graph)
Tk.update
Tk::BLT::Busy.release(graph)
Tk.mainloop