image-palette
v2.1.0
Published
Get palette for any image file, no node-canvas
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123,404
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image-palette
Extract palette from pixels array, return pixels mapped to palette. Useful for organizing palette-based encoding, like GIF, or various limited colors renderers, like gl-scatter2d.
Inspired by get-rgba-palette.
Usage
var palette = require('image-palette')
var pixels = require('image-pixels')
var {ids, colors} = palette(await pixels('./image.png'))
API
var {ids, colors, amount} = palette(pixels, count=5)
Extract palette from the input pixels
array with rgba
pixels sequence, whether flat or nested.
colors
is a list of extracted colors[[r, g, b, a], [r, g, b, a], ...]
.ids
is an array of input pixels mapped to extractedcolors
.amount
is an array with amounts corresponding to the extracted colors, from0..1
range.count
is max number of colors to extract.
Related
- image-pixels − load pixels data from any image source.
- image-save − save image/pixel data to a file, canvas or array.
- image-equal − test if two images are equal, based on fuzzy comparison.
License
© 2018 Dmitry Yv. MIT License.