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import constant from "./constant.js";
import {withPath} from "./path.js";
import asterisk from "./symbol/asterisk.js";
import circle from "./symbol/circle.js";
import cross from "./symbol/cross.js";
import diamond from "./symbol/diamond.js";
import diamond2 from "./symbol/diamond2.js";
import plus from "./symbol/plus.js";
import square from "./symbol/square.js";
import square2 from "./symbol/square2.js";
import star from "./symbol/star.js";
import triangle from "./symbol/triangle.js";
import triangle2 from "./symbol/triangle2.js";
import wye from "./symbol/wye.js";
import times from "./symbol/times.js";
// These symbols are designed to be filled.
export const symbolsFill = [
circle,
cross,
diamond,
square,
star,
triangle,
wye
];
// These symbols are designed to be stroked (with a width of 1.5px and round caps).
export const symbolsStroke = [
circle,
plus,
times,
triangle2,
asterisk,
square2,
diamond2
];
export default function Symbol(type, size) {
let context = null,
path = withPath(symbol);
type = typeof type === "function" ? type : constant(type || circle);
size = typeof size === "function" ? size : constant(size === undefined ? 64 : +size);
function symbol() {
let buffer;
if (!context) context = buffer = path();
type.apply(this, arguments).draw(context, +size.apply(this, arguments));
if (buffer) return context = null, buffer + "" || null;
}
symbol.type = function(_) {
return arguments.length ? (type = typeof _ === "function" ? _ : constant(_), symbol) : type;
};
symbol.size = function(_) {
return arguments.length ? (size = typeof _ === "function" ? _ : constant(+_), symbol) : size;
};
symbol.context = function(_) {
return arguments.length ? (context = _ == null ? null : _, symbol) : context;
};
return symbol;
}
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