victory-vendor
Version:
Vendored dependencies for Victory
63 lines (62 loc) • 1.59 kB
JavaScript
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = _default;
exports.stepAfter = stepAfter;
exports.stepBefore = stepBefore;
function Step(context, t) {
this._context = context;
this._t = t;
}
Step.prototype = {
areaStart: function () {
this._line = 0;
},
areaEnd: function () {
this._line = NaN;
},
lineStart: function () {
this._x = this._y = NaN;
this._point = 0;
},
lineEnd: function () {
if (0 < this._t && this._t < 1 && this._point === 2) this._context.lineTo(this._x, this._y);
if (this._line || this._line !== 0 && this._point === 1) this._context.closePath();
if (this._line >= 0) this._t = 1 - this._t, this._line = 1 - this._line;
},
point: function (x, y) {
x = +x, y = +y;
switch (this._point) {
case 0:
this._point = 1;
this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y);
break;
case 1:
this._point = 2;
// falls through
default:
{
if (this._t <= 0) {
this._context.lineTo(this._x, y);
this._context.lineTo(x, y);
} else {
var x1 = this._x * (1 - this._t) + x * this._t;
this._context.lineTo(x1, this._y);
this._context.lineTo(x1, y);
}
break;
}
}
this._x = x, this._y = y;
}
};
function _default(context) {
return new Step(context, 0.5);
}
function stepBefore(context) {
return new Step(context, 0);
}
function stepAfter(context) {
return new Step(context, 1);
}