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Colour bars/Display: Difference between revisions
→{{header|Icon}} and {{header|Unicon}}: image
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=={{header|Icon}} and {{header|Unicon}}==
The procedure below is generalized to take a description of a ''test card'' and display it.
[[File:Colourbars_Simple_Unicon.png|thumb|right]]
<lang Icon>link graphics,printf
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end</lang>
The following example is a wee tiny bit more interesting.
[[File:Colourbars_SMPTE_Unicon.png|thumb|right]]
<lang Icon>procedure SMPTE_TestCard() #: return structure with 480i(ish) testcard
return testcard(,"SMPTE TV Test Card",width := 672,height := 504,
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{{libheader|Icon Programming Library}}
[http://www.cs.arizona.edu/icon/library/src/procs/graphics.icn graphics.icn provides graphics]
[http://www.cs.arizona.edu/icon/library/src/procs/printf.icn printf.icn provides sprintf]
=={{header|J}}==
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