83 lines
1.7 KiB
Ruby
83 lines
1.7 KiB
Ruby
#!/usr/bin/env ruby
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require 'tk'
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require 'tkextlib/vu/charts'
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#######################################
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Tk.root.geometry('+30+30')
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delay = 2000
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c = TkCanvas.new.pack
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begin
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st = Tk::Vu::TkcSticker.new(c, 0, 0, 10, 10)
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rescue
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Tk.messageBox(:type=>'ok', :title=>"No sticker Item",
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:message=>"This build of vu does not include the sticker item")
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exit
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end
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#st.delete
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steps = []
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steps << proc{
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# I used a 75dpi screen for testing, but others should make no difference!
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puts 'You\'ll see a small upright rectangle with "He" inside.'
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st = Tk::Vu::TkcSticker.new(c, '6m', '10m', '13m', '27m', :text=>'Hello')
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}
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steps << proc{
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puts 'You\'ll see the whole "Hello" drawn rotated 90 degrees.'
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st[:orient] = :vertical
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}
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steps << proc{
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puts 'The rectangle shrinks and the text is clipped to "Hell"'
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#st.coords('6m', '10m', '13m', '20m')
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st.coords('6m', '10m', '13m', '17m')
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}
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steps << proc{
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puts 'Now you\'ll read "ello"'
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st[:lefttrunc] = true
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}
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steps << proc{
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puts 'Enlarging the rectangle shows the complete "Hello" again'
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st.scale(0, 0, 3, 3)
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}
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steps << proc{
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puts 'This time the text is repeated: "Hello", approx. 5mm space, "Hello"'
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st[:space] = '5m'
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}
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steps << proc{
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puts 'A vertical bar appears in the lower right region and text jumps to the left.'
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st.configure(:anchor=>:n, :relw=>0.3, :relh=>0.7,
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:relx=>0.6, :rely=>0.3, :bar=>'red')
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}
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steps << proc{
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puts 'Paint the backgound.'
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st[:fill] = 'yellow'
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}
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steps << proc{
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puts "Let's test stippling."
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st[:stipple] = 'gray25'
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}
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steps << proc{
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puts 'Finally a large outline forces a single "Hello" and shrinks the bar.'
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st[:width] = '6m'
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}
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Tk.root.bind('q', proc{exit})
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TkTimer.new(delay, 1, *steps).start
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Tk.mainloop
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