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c4fdfabcc8
g -L frozen_string_literal ext/**/*.rb|xargs ruby -Ka -e'ARGV.each{|fn|puts
fn;open(fn,"r+"){|f|s=f.read.sub(/\A(#!.*\n)?(#.*coding.*\n)?/,"\\&#
frozen_string_literal: false\n");f.rewind;f.write s}}'
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53143 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
102 lines
3 KiB
Ruby
102 lines
3 KiB
Ruby
#!/usr/bin/env ruby
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# frozen_string_literal: false
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require 'tk'
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require 'tkextlib/blt'
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load File.join(File.dirname(File.expand_path(__FILE__)),
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'scripts', 'stipples.rb')
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TkOption.add('*graph.x.Title', 'X Axis Label')
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TkOption.add('*graph.y.Title', 'Y Axis Label')
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TkOption.add('*graph.title', 'A Simple Barchart')
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TkOption.add('*graph.x.Font', 'Times 10')
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TkOption.add('*graph.Element.Relief', :raised)
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visual = Tk.root.winfo_screenvisual
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if visual != 'staticgray' && visual != 'grayscale'
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TkOption.add('*graph.LineMarker.color', 'yellow')
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TkOption.add('*graph.Element.Background', 'white')
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TkOption.add('*graph.Legend.activeForeground', 'pink')
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TkOption.add('*print.background', 'yellow')
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TkOption.add('*quit.background', 'red')
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TkOption.add('*graph.background', 'palegreen')
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TkOption.add('*graph.plotBackground', 'lightblue')
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end
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htext = Tk::BLT::Htext.new(:widgetname=>'.htext', :text=><<EOD)
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This is an example of the barchart widget. The barchart has
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many components; x and y axis, legend, crosshairs, elements, etc.
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To create a postscript file "bar.ps", press the %%
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ruby {
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b = TkButton.new(Tk::BLT::Htext::Htext_Widget.window,
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:widgetname=>'print', :text=>'Print',
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:command=>proc{
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$graph.postsript(:output=>'bar.ps')
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})
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Tk::BLT::Htext::Htext_Widget.window.append(b)
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}
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%% button.
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%%
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ruby {
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$graph = Tk::BLT::Barchart.new(:widgetname=>'.htext.graph',
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:relief=>:raised, :borderwidth=>2)
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$graph.xaxis_configure(:rotate=>90, :stepsize=>0)
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Tk::BLT::Htext::Htext_Widget.window.append($graph,
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:fill=>:both, :padx=>4)
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}
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%%
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Hit the %%
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ruby {
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b = TkButton.new(Tk::BLT::Htext::Htext_Widget.window,
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:widgetname=>'quit', :text=>'Quit',
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:command=>proc{ exit })
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Tk::BLT::Htext::Htext_Widget.window.append(b)
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}
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%% button when you've seen enough.%%
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ruby {
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l = TkLabel.new(Tk::BLT::Htext::Htext_Widget.window, :bitmap=>'BLT')
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Tk::BLT::Htext::Htext_Widget.window.append(l, :padx=>20)
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}
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%%
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EOD
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names = %w(One Two Three Four Five Six Seven Eight)
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if visual == 'staticgray' || visual == 'grayscale'
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fgcolors = %w(white white white white white white white white)
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bgcolors = %w(black black black black black black black black)
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else
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fgcolors = %w(yellow orange red magenta purple blue cyan green)
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bgcolors = %w(yellow4 orange4 red4 magenta4 purple4 blue4 cyan4 green4)
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end
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numColors = names.length
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Tk::TCL_PRECISION.value = 15
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x = Tk::BLT::Vector.new
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y = Tk::BLT::Vector.new
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x.seq(-5.0, 5.0, 0.2)
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y.expr("sin(#{x})")
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barWidth = 0.19
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$graph.element_create('sin', :relief=>:raised, :borderwidth=>1,
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:x=>x, :y=>y, :barwidth=>barWidth)
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Tk::BLT::Table.add(Tk.root, htext, :fill=>:both)
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Tk.root.minsize(0, 0)
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Tk::BLT.zoom_stack($graph)
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Tk::BLT.crosshairs($graph)
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Tk::BLT.active_legend($graph)
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Tk::BLT.closest_point($graph)
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Tk.mainloop
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