glitchin/lib/filters/simple-sort-column.js

Glitch Art package

'use strict';

var _     = require('lodash'),
	Utils = require('../modules/utils'),
	Rows  = require('../modules/rows'),
	debug = require('debug')('filter/simple-sort-column');

module.exports = function( image ){
	Utils.check.image(image, 'Simple Column Sort');

	debug('Simple column sort...');

	var columns = image.glitch.columns,
		rows = image.glitch.rows;

	_.each(columns, function( col, key ){
		col = _.sortBy(col, ['hex']);
		_.each(col, function( pixel, y ){
			rows[y][key] = pixel;
		});
	});

	return Rows(image, rows);
};