|
Last change
on this file was a762898, checked in by istevanoska <ilinastevanoska@…>, 5 months ago |
|
Added visualizations
|
-
Property mode
set to
100644
|
|
File size:
1.6 KB
|
| Line | |
|---|
| 1 | "use strict";
|
|---|
| 2 |
|
|---|
| 3 | Object.defineProperty(exports, "__esModule", {
|
|---|
| 4 | value: true
|
|---|
| 5 | });
|
|---|
| 6 | exports.Basis = Basis;
|
|---|
| 7 | exports.default = _default;
|
|---|
| 8 | exports.point = point;
|
|---|
| 9 | function point(that, x, y) {
|
|---|
| 10 | that._context.bezierCurveTo((2 * that._x0 + that._x1) / 3, (2 * that._y0 + that._y1) / 3, (that._x0 + 2 * that._x1) / 3, (that._y0 + 2 * that._y1) / 3, (that._x0 + 4 * that._x1 + x) / 6, (that._y0 + 4 * that._y1 + y) / 6);
|
|---|
| 11 | }
|
|---|
| 12 | function Basis(context) {
|
|---|
| 13 | this._context = context;
|
|---|
| 14 | }
|
|---|
| 15 | Basis.prototype = {
|
|---|
| 16 | areaStart: function () {
|
|---|
| 17 | this._line = 0;
|
|---|
| 18 | },
|
|---|
| 19 | areaEnd: function () {
|
|---|
| 20 | this._line = NaN;
|
|---|
| 21 | },
|
|---|
| 22 | lineStart: function () {
|
|---|
| 23 | this._x0 = this._x1 = this._y0 = this._y1 = NaN;
|
|---|
| 24 | this._point = 0;
|
|---|
| 25 | },
|
|---|
| 26 | lineEnd: function () {
|
|---|
| 27 | switch (this._point) {
|
|---|
| 28 | case 3:
|
|---|
| 29 | point(this, this._x1, this._y1);
|
|---|
| 30 | // falls through
|
|---|
| 31 | case 2:
|
|---|
| 32 | this._context.lineTo(this._x1, this._y1);
|
|---|
| 33 | break;
|
|---|
| 34 | }
|
|---|
| 35 | if (this._line || this._line !== 0 && this._point === 1) this._context.closePath();
|
|---|
| 36 | this._line = 1 - this._line;
|
|---|
| 37 | },
|
|---|
| 38 | point: function (x, y) {
|
|---|
| 39 | x = +x, y = +y;
|
|---|
| 40 | switch (this._point) {
|
|---|
| 41 | case 0:
|
|---|
| 42 | this._point = 1;
|
|---|
| 43 | this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y);
|
|---|
| 44 | break;
|
|---|
| 45 | case 1:
|
|---|
| 46 | this._point = 2;
|
|---|
| 47 | break;
|
|---|
| 48 | case 2:
|
|---|
| 49 | this._point = 3;
|
|---|
| 50 | this._context.lineTo((5 * this._x0 + this._x1) / 6, (5 * this._y0 + this._y1) / 6);
|
|---|
| 51 | // falls through
|
|---|
| 52 | default:
|
|---|
| 53 | point(this, x, y);
|
|---|
| 54 | break;
|
|---|
| 55 | }
|
|---|
| 56 | this._x0 = this._x1, this._x1 = x;
|
|---|
| 57 | this._y0 = this._y1, this._y1 = y;
|
|---|
| 58 | }
|
|---|
| 59 | };
|
|---|
| 60 | function _default(context) {
|
|---|
| 61 | return new Basis(context);
|
|---|
| 62 | } |
|---|
Note:
See
TracBrowser
for help on using the repository browser.
