Anonymous user
Grayscale image: Difference between revisions
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→{{header|Tcl}}
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<!-- L = 0.2126·R + 0.7152·G + 0.0722·B -->
{{libheader|Tk}}
<lang tcl>proc grayscale image {
set w [image width $image]
set h [image height $image]
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}
}
}</lang>▼
▲</lang>
=={{header|Vedit macro language}}==
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