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handle2 methods

Legend

A legend panel attached to a plot area, created by area:legend(options).

Obtained from
PlotArea:legend

The examples on this page start from:

lua
local color = datumhue.color
local canvas = datumhue.draw.new({ width = 400, height = 300 })
canvas:mount({ width = 400, height = 300 })
local plot = canvas:chart({ margin = { left = 40, bottom = 40 } })
local legend = plot:legend({ items = { { label = "North" } } })

Methods 2

Legend:update

method
Legend:update(options: chart.LegendUpdateOptions)

Change the legend items, position, anchor, orientation, colors, or font size.

Example
-- items replaces the whole list.
legend:update({
    items = {
        { label = "North", color = color("#e69875") },
        { label = "South", color = color("#7fbbb3") },
    },
    anchor = "bottom_right",
    orientation = "horizontal",
})

options chart.LegendUpdateOptions options 8 keys Omitted keys keep their current value.

KeyTypeDescription
itemstableLegend entries array.
postablePanel position, as a vec2.
anchor"top_left" | "top_right" | "bottom_left" | "bottom_right" | "top_center" | "bottom_center"Corner / edge the legend anchors to.
orientation"vertical" | "horizontal"Stack direction of legend items.
backgroundColorPanel background color.
borderColorPanel border color.
colorColorItem label color.
font_sizenumber | stringSize of the item labels, or of a gradient legend's value labels — a number (px) or a unit string like "1.5rem"/"50vw".

Legend:remove

method
Legend:remove()

Remove the legend.

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Victor Mono is licensed under the SIL Open Font License 1.1
Copyright (c) 2024, Rune Bjørnerås (https://github.com/rubjo)

This Font Software is licensed under the SIL Open Font License, Version 1.1.
This license is copied below, and is also available with a FAQ at:
http://scripts.sil.org/OFL


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SIL OPEN FONT LICENSE Version 1.1 - 26 February 2007
-----------------------------------------------------------

PREAMBLE
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to any document created using the fonts or their derivatives.

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Permission is hereby granted, free of charge, to any person obtaining
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