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29 lines
680 B
Ruby
29 lines
680 B
Ruby
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#!/usr/bin/env ruby
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require 'tk'
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require 'tkextlib/blt'
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file = File.join(File.dirname(File.expand_path(__FILE__)),
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'images', 'qv100.t.gif')
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if File.exist?(file)
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src = TkPhotoImage.new(:file=>file)
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else
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fail RuntimeError, 'no image file'
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end
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width = src.width
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height = src.height
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TkOption.add('*Label.font', '*helvetica*10*')
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TkOption.add('*Label.background', 'white')
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[0, 90, 180, 270, 360, 45].each_with_index{|r, i|
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dest = TkPhotoImage.new
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Tk::BLT::Winop.image_rotate(src, dest, r)
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l_txt = TkLabel.new(:text=>"#{r} degrees")
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l_img = TkLabel.new(:image=>dest)
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Tk::BLT::Table.add(Tk.root, [0,i], l_img, [1,i], l_txt)
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Tk.update
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}
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Tk.mainloop
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