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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 | 268x 268x 268x 9648x 268x 268x 6897x 248292x 248292x 248292x 268x 44902x 268x 58696x 58696x 268x 6897x 6897x 6897x 6897x 6897x 32485x 36441x 36441x 6897x 6897x 6897x 6897x 6897x 6897x 6897x 6897x 6897x 6897x 6897x 6897x 6897x 6897x 6897x 6897x 36441x 36441x | import React from "react";
import type * as svg from "react-native-svg";
import { hslToRgb } from "~utils/color";
const DEGREES = 360;
// We use a color from a color circle divided in given sectors
// effectively having a spread variety of colors around the circle
const SECTORS = 36;
const COLORS = Array.from(
{ length: SECTORS },
(_, index) => `#${hslToRgb(index * (DEGREES / SECTORS), 0.7, 0.5)}`,
);
/*
This is a universal more-or-less copy from
https://github.com/boringdesigners/boring-avatars/blob/master/src/lib/components/avatar-beam.tsx
*/
const BASE_SIZE = 36;
const hashCode = (name: string) =>
Math.abs(
name.split("").reduce((hash, char) => {
// Bitwise calculations
/* oxlint-disable no-bitwise */
const codePoint = char.codePointAt(0) ?? 0;
const tempHash = (hash << 5) - hash + codePoint;
return tempHash & tempHash;
/* oxlint-enable no-bitwise */
}, 0),
);
const getBoolean = (number: number, ntn: number): boolean =>
Math.floor((number / 10 ** ntn) % 10) % 2 === 0;
const getUnit = (number: number, range: number, index?: number): number => {
const value = number % range;
return index ? (getBoolean(number, index) ? -value : value) : value;
};
const getContrast = (hexcolor: string): string => {
// Convert to RGB value
const r = Number.parseInt(hexcolor.slice(1, 3), 16);
const g = Number.parseInt(hexcolor.slice(3, 5), 16);
const b = Number.parseInt(hexcolor.slice(5, 7), 16);
// Get YIQ ratio
const yiq = (r * 299 + g * 587 + b * 114) / 1000;
// Check contrast
return yiq >= 128 ? "#000000" : "#FFFFFF";
};
type SvgComponents = {
Svg: React.ComponentType<
Pick<
React.ComponentProps<typeof svg.Svg>,
"viewBox" | "role" | "width" | "height" | "children"
> & { fill?: string }
>;
Mask: React.ComponentType<
Pick<
React.ComponentProps<typeof svg.Mask>,
"id" | "maskUnits" | "x" | "y" | "width" | "height" | "children"
>
>;
Rect: React.ComponentType<
Pick<
React.ComponentProps<typeof svg.Rect>,
"x" | "y" | "width" | "height" | "rx"
> & { fill?: string; transform?: string; stroke?: string }
>;
G: React.ComponentType<
Pick<React.ComponentProps<typeof svg.G>, "mask" | "filter" | "children"> & {
transform?: string;
}
>;
Path: React.ComponentType<
Pick<React.ComponentProps<typeof svg.Path>, "d" | "strokeLinecap"> & {
fill?: string;
stroke?: string;
}
>;
Filter: React.ComponentType<
Pick<
React.ComponentProps<typeof svg.Filter>,
"id" | "filterUnits" | "x" | "y" | "width" | "height" | "children"
>
>;
FeColorMatrix: React.ComponentType<
Pick<React.ComponentProps<typeof svg.FeColorMatrix>, "in" | "type"> & {
values?: string;
}
>;
};
export const BeamAvatar = ({
components,
size,
name,
dimmed,
}: {
components: SvgComponents;
size: number;
name: string;
dimmed?: boolean;
}) => {
const maskId = React.useId();
const filterId = React.useId();
const nameHash = hashCode(name);
const preTranslateX = getUnit(nameHash, 10, 1);
const preTranslateY = getUnit(nameHash, 10, 2);
const wrapperTranslateX =
preTranslateX < 5 ? preTranslateX + BASE_SIZE / 9 : preTranslateX;
const wrapperTranslateY =
preTranslateY < 5 ? preTranslateY + BASE_SIZE / 9 : preTranslateY;
const faceTranslateX =
wrapperTranslateX > BASE_SIZE / 6
? wrapperTranslateX / 2
: getUnit(nameHash, 8, 1);
const faceTranslateY =
wrapperTranslateY > BASE_SIZE / 6
? wrapperTranslateY / 2
: getUnit(nameHash, 7, 2);
const wrapperRotate = getUnit(nameHash, 360);
// oxlint-disable-next-line typescript/no-non-null-assertion
const wrapperColor = COLORS[nameHash % COLORS.length]!;
const backgroundColor = COLORS[(nameHash + 13) % COLORS.length];
const wrapperScale = 1 + getUnit(nameHash, BASE_SIZE / 12) / 10;
const isMouthOpen = getBoolean(nameHash, 2);
const isCircle = getBoolean(nameHash, 1);
const faceColor = getContrast(wrapperColor);
const eyeSpread = getUnit(nameHash, 5);
const mouthSpread = getUnit(nameHash, 3);
const faceRotate = getUnit(nameHash, 10, 3);
return (
// There are a lot of false positives for `x` and `y`
<components.Svg
viewBox={`0 0 ${BASE_SIZE} ${BASE_SIZE}`}
fill="none"
// oxlint-disable-next-line jsx-a11y/prefer-tag-over-role
role="img"
width={size}
height={size}
>
{dimmed ? (
<components.Filter
id={filterId}
filterUnits="objectBoundingBox"
x={0}
y={0}
width="100%"
height="100%"
>
<components.FeColorMatrix
in="SourceGraphic"
type="saturate"
values="0"
/>
</components.Filter>
) : undefined}
<components.Mask
id={maskId}
maskUnits="userSpaceOnUse"
x={0}
y={0}
width="100%"
height="100%"
>
<components.Rect
width={BASE_SIZE}
height={BASE_SIZE}
rx={BASE_SIZE * 2}
fill="#FFFFFF"
/>
</components.Mask>
<components.G
mask={`url(#${maskId})`}
filter={dimmed ? `url(#${filterId})` : undefined}
>
<components.Rect
width={BASE_SIZE}
height={BASE_SIZE}
fill={backgroundColor}
/>
<components.Rect
x={0}
y={0}
width={BASE_SIZE}
height={BASE_SIZE}
transform={`translate(${wrapperTranslateX} ${
wrapperTranslateY
}) rotate(${wrapperRotate} ${BASE_SIZE / 2} ${
BASE_SIZE / 2
}) scale(${wrapperScale})`}
fill={wrapperColor}
rx={isCircle ? BASE_SIZE : BASE_SIZE / 6}
/>
<components.G
transform={`translate(${faceTranslateX} ${
faceTranslateY
}) rotate(${faceRotate} ${BASE_SIZE / 2} ${BASE_SIZE / 2})`}
>
{isMouthOpen ? (
<components.Path
d={`M15 ${19 + mouthSpread}c2 1 4 1 6 0`}
stroke={faceColor}
fill="none"
strokeLinecap="round"
/>
) : (
<components.Path
d={`M13,${19 + mouthSpread} a1,0.75 0 0,0 10,0`}
fill={faceColor}
/>
)}
<components.Rect
x={14 - eyeSpread}
y={14}
width={1.5}
height={2}
rx={1}
stroke="none"
fill={faceColor}
/>
<components.Rect
x={20 + eyeSpread}
y={14}
width={1.5}
height={2}
rx={1}
stroke="none"
fill={faceColor}
/>
</components.G>
</components.G>
</components.Svg>
);
};
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