mirror of
https://github.com/scratchfoundation/paper.js.git
synced 2025-01-09 22:32:48 -05:00
115 lines
2.9 KiB
JavaScript
115 lines
2.9 KiB
JavaScript
var Segment = this.Segment = Base.extend({
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initialize: function() {
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if (arguments.length == 0) {
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this.point = new Point();
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} else if (arguments.length == 1) {
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if (arguments[0].point) {
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var segment = arguments[0];
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this.point = new Point(segment.point);
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if (segment.handleIn)
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this.handleIn = new Point(segment.handleIn);
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if (segment.handleOut)
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this.handleOut = new Point(segment.handleOut);
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} else {
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this.point = new Point(arguments[0]);
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}
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} else if (arguments.length < 6) {
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if (arguments.length == 2 && !arguments[1].x) {
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this.point = new Point(arguments[0], arguments[1]);
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} else {
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this.point = new Point(arguments[0]);
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if (arguments[1])
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this.handleIn = new Point(arguments[1]);
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if (arguments[2])
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this.handleOut = new Point(arguments[2]);
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}
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} else if (arguments.length == 6) {
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this.point = new Point(arguments[0], arguments[1]);
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this.handleIn = new Point(arguments[2], arguments[3]);
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this.handleOut = new Point(arguments[4], arguments[5]);
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}
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if (!this.handleIn)
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this.handleIn = new Point();
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if (!this.handleOut)
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this.handleOut = new Point();
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},
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getPoint: function() {
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return this.point;
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},
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setPoint: function() {
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var point = Point.read(arguments);
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this.point = point;
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},
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getHandleIn: function() {
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return this.handleIn;
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},
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setHandleIn: function() {
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var point = Point.read(arguments);
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this.handleIn = point;
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},
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getHandleOut: function() {
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return this.handleOut;
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},
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setHandleOut: function() {
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var point = Point.read(arguments);
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this.handleOut = point;
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this.corner = !handleIn.isParallel(handleOut);
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},
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getIndex: function() {
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// TODO: Cache and update indices instead of searching?
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return this.path ? this.path._segments.indexOf(this) : -1;
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},
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// TODO:
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// getCurve: function() {
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// if (this._segments && this._segments.path) {
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// var curves = this._segments.path.getCurves();
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// // The curves list handles closing curves, so the curves.size
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// // is adjusted accordingly. just check to be in the boundaries here:
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// return index < curves.length ? curves[index] : null;
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// }
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// },
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getNext: function() {
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return this.path && this.path._segments[this.getIndex() + 1] || null;
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},
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getPrevious: function() {
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return this.path && this.path._segments[this.getIndex() - 1] || null;
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},
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// TODO:
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// isSelected: function() {
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//
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// }
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//
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// setSelected: function(pt, selected)
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reverse: function() {
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return new Segment(this.point, this.handleOut, this.handleIn);
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},
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clone: function() {
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return new Segment(this);
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},
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remove: function() {
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if (this.path && this.path._segments)
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return !!this.path._segments.splice(this.getIndex(), 1).length;
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return false;
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},
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toString: function() {
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return '{ point: ' + this.point
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+ (this.handleIn ? ', handleIn: ' + this.handleIn : '')
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+ (this.handleOut ? ', handleOut: ' + this.handleOut : '')
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+ ' }';
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}
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});
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