77 lines
1.7 KiB
JavaScript
77 lines
1.7 KiB
JavaScript
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/**
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* Copyright (c) 2015-present, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*
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* @providesModule ARTSerializablePath
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*/
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'use strict';
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// TODO: Move this into an ART mode called "serialized" or something
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var Class = require('art/core/class.js');
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var Path = require('art/core/path.js');
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var MOVE_TO = 0;
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var CLOSE = 1;
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var LINE_TO = 2;
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var CURVE_TO = 3;
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var ARC = 4;
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var SerializablePath = Class(Path, {
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initialize: function(path) {
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this.reset();
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if (path instanceof SerializablePath) {
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this.path = path.path.slice(0);
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} else if (path) {
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if (path.applyToPath) {
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path.applyToPath(this);
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} else {
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this.push(path);
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}
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}
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},
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onReset: function() {
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this.path = [];
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},
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onMove: function(sx, sy, x, y) {
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this.path.push(MOVE_TO, x, y);
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},
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onLine: function(sx, sy, x, y) {
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this.path.push(LINE_TO, x, y);
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},
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onBezierCurve: function(sx, sy, p1x, p1y, p2x, p2y, x, y) {
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this.path.push(CURVE_TO, p1x, p1y, p2x, p2y, x, y);
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},
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_arcToBezier: Path.prototype.onArc,
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onArc: function(sx, sy, ex, ey, cx, cy, rx, ry, sa, ea, ccw, rotation) {
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if (rx !== ry || rotation) {
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return this._arcToBezier(
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sx, sy, ex, ey, cx, cy, rx, ry, sa, ea, ccw, rotation
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);
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}
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this.path.push(ARC, cx, cy, rx, sa, ea, ccw ? 0 : 1);
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},
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onClose: function() {
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this.path.push(CLOSE);
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},
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toJSON: function() {
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return this.path;
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}
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});
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module.exports = SerializablePath;
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