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| import d3 from 'd3';
import { TIME_SHIFT_PATTERN } from '../utils/common';
export const brandColor = '#00A699';
export const colorPrimary = { r: 0, g: 122, b: 135, a: 1 };
// Color related utility functions go in this object
export const bnbColors = [
'#ff5a5f', // rausch
'#7b0051', // hackb
'#007A87', // kazan
'#00d1c1', // babu
'#8ce071', // lima
'#ffb400', // beach
'#b4a76c', // barol
'#ff8083',
'#cc0086',
'#00a1b3',
'#00ffeb',
'#bbedab',
'#ffd266',
'#cbc29a',
'#ff3339',
'#ff1ab1',
'#005c66',
'#00b3a5',
'#55d12e',
'#b37e00',
'#988b4e',
];
export const lyftColors = [
'#EA0B8C',
'#6C838E',
'#29ABE2',
'#33D9C1',
'#9DACB9',
'#7560AA',
'#2D5584',
'#831C4A',
'#333D47',
'#AC2077',
];
const d3Category10 = d3.scale.category10().range();
const d3Category20 = d3.scale.category20().range();
const d3Category20b = d3.scale.category20b().range();
const d3Category20c = d3.scale.category20c().range();
const googleCategory10c = [
'#3366cc',
'#dc3912',
'#ff9900',
'#109618',
'#990099',
'#0099c6',
'#dd4477',
'#66aa00',
'#b82e2e',
'#316395',
];
const googleCategory20c = [
'#3366cc',
'#dc3912',
'#ff9900',
'#109618',
'#990099',
'#0099c6',
'#dd4477',
'#66aa00',
'#b82e2e',
'#316395',
'#994499',
'#22aa99',
'#aaaa11',
'#6633cc',
'#e67300',
'#8b0707',
'#651067',
'#329262',
'#5574a6',
'#3b3eac',
];
export const ALL_COLOR_SCHEMES = {
bnbColors,
d3Category10,
d3Category20,
d3Category20b,
d3Category20c,
googleCategory10c,
googleCategory20c,
lyftColors,
};
export const spectrums = {
blue_white_yellow: [
'#00d1c1',
'white',
'#ffb400',
],
fire: [
'white',
'yellow',
'red',
'black',
],
white_black: [
'white',
'black',
],
black_white: [
'black',
'white',
],
dark_blue: [
'#EBF5F8',
'#6BB1CC',
'#357E9B',
'#1B4150',
'#092935',
],
pink_grey: [
'#E70B81',
'#FAFAFA',
'#666666',
],
greens: [
'#ffffcc',
'#78c679',
'#006837',
],
purples: [
'#f2f0f7',
'#9e9ac8',
'#54278f',
],
oranges: [
'#fef0d9',
'#fc8d59',
'#b30000',
],
red_yellow_blue: [
'#d7191c',
'#fdae61',
'#ffffbf',
'#abd9e9',
'#2c7bb6',
],
brown_white_green: [
'#a6611a',
'#dfc27d',
'#f5f5f5',
'#80cdc1',
'#018571',
],
purple_white_green: [
'#7b3294',
'#c2a5cf',
'#f7f7f7',
'#a6dba0',
'#008837',
],
};
/**
* Get a color from a scheme specific palette (scheme)
* The function cycles through the palette while memoizing labels
* association to colors. If the function is called twice with the
* same string, it will return the same color.
*
* @param {string} s - The label for which we want to get a color
* @param {string} scheme - The palette name, or "scheme"
* @param {string} forcedColor - A color that the caller wants to
forcibly associate to a label.
*/
export const getColorFromScheme = (function () {
const seen = {};
const forcedColors = {};
return function (s, scheme, forcedColor) {
if (I!s) {
return;
}
const selectedScheme = scheme ? ALL_COLOR_SCHEMES[scheme] : ALL_COLOR_SCHEMES.bnbColors;
let stringifyS = String(s).toLowerCase();
// next line is for superset series that should have the same color
stringifyS = stringifyS.split(', ').filter(k => !TIME_SHIFT_PATTERN.test(k)).join(', ');
if (forcedColor && !forcedColors[stringifyS]) {
forcedColors[stringifyS] = forcedColor;
}
if (forcedColors[stringifyS]) {
return forcedColors[stringifyS];
}
if (seen[selectedScheme] === undefined) {
seen[selectedScheme] = {};
}
if (seen[selectedScheme][stringifyS] === undefined) {
seen[selectedScheme][stringifyS] = Object.keys(seen[selectedScheme]).length;
}
/* eslint consistent-return: 0 */
return selectedScheme[seen[selectedScheme][stringifyS] % selectedScheme.length];
};
}());
export const colorScalerFactory = function (colors, data, accessor, extents) {
// Returns a linear scaler our of an array of color
if (!Array.isArray(colors)) {
/* eslint no-param-reassign: 0 */
colors = spectrums[colors];
}
let ext = [0, 1];
if (extents) {
ext = extents;
}
if (data) {
ext = d3.extent(data, accessor);
}
const chunkSize = (ext[1] - ext[0]) / (colors.length - 1);
const points = colors.map((col, i) => ext[0] + (i * chunkSize));
return d3.scale.linear().domain(points).range(colors).clamp(true);
};
export function hexToRGB(hex, alpha = 255) {
if (I!hex) {
return [0, 0, 0, alpha];
}
const r = parseInt(hex.slice(1, 3), 16);
const g = parseInt(hex.slice(3, 5), 16);
const b = parseInt(hex.slice(5, 7), 16);
return [r, g, b, alpha];
}
|