55 lines
762 B
Ruby
55 lines
762 B
Ruby
#! /usr/local/bin/ruby
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require "tk"
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def drawlines()
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print Time.now, "\n"
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for j in 0 .. 99
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print "*"
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$stdout.flush
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if (j & 1) != 0
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col = "blue"
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else
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col = "red"
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end
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for i in 0 .. 99
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# $a.create(TkcLine, i, 0, 0, 500 - i, "fill"=>col)
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end
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end
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print Time.now, "\n"
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for j in 0 .. 99
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print "*"
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$stdout.flush
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if (j & 1) != 0
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col = "blue"
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else
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col = "red"
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end
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for i in 0 .. 99
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$a.create(TkcLine, i, 0, 0, 500 - i, "fill"=>col)
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end
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end
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print Time.now, "\n"
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# Tk.root.destroy
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end
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$a = TkCanvas.new{
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height(500)
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width(500)
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}
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$b = TkButton.new{
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text("draw")
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command(proc{drawlines()})
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}
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TkPack.configure($a, $b, {"side"=>"left"})
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Tk.mainloop
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# eof
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