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import {tau} from "../math.js";
import noop from "../noop.js";
export default function PathContext(context) {
this._context = context;
}
PathContext.prototype = {
_radius: 4.5,
pointRadius: function(_) {
return this._radius = _, this;
},
polygonStart: function() {
this._line = 0;
},
polygonEnd: function() {
this._line = NaN;
},
lineStart: function() {
this._point = 0;
},
lineEnd: function() {
if (this._line === 0) this._context.closePath();
this._point = NaN;
},
point: function(x, y) {
switch (this._point) {
case 0: {
this._context.moveTo(x, y);
this._point = 1;
break;
}
case 1: {
this._context.lineTo(x, y);
break;
}
default: {
this._context.moveTo(x + this._radius, y);
this._context.arc(x, y, this._radius, 0, tau);
break;
}
}
},
result: noop
};
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