88 lines
2.4 KiB
JavaScript
88 lines
2.4 KiB
JavaScript
var Glyph, Segment, SegmentView, _, rbush,
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extend = function(child, parent) { for (var key in parent) { if (hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; },
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hasProp = {}.hasOwnProperty;
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_ = require("underscore");
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rbush = require("rbush");
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Glyph = require("./glyph");
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SegmentView = (function(superClass) {
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extend(SegmentView, superClass);
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function SegmentView() {
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return SegmentView.__super__.constructor.apply(this, arguments);
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}
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SegmentView.prototype._index_data = function() {
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var i, index, j, pts, ref;
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index = rbush();
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pts = [];
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for (i = j = 0, ref = this._x0.length; 0 <= ref ? j < ref : j > ref; i = 0 <= ref ? ++j : --j) {
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if (!isNaN(this._x0[i] + this._x1[i] + this._y0[i] + this._y1[i])) {
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pts.push({
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minX: Math.min(this._x0[i], this._x1[i]),
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minY: Math.min(this._y0[i], this._y1[i]),
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maxX: Math.max(this._x0[i], this._x1[i]),
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maxY: Math.max(this._y0[i], this._y1[i]),
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i: i
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});
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}
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}
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index.load(pts);
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return index;
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};
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SegmentView.prototype._render = function(ctx, indices, arg) {
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var i, j, len, results, sx0, sx1, sy0, sy1;
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sx0 = arg.sx0, sy0 = arg.sy0, sx1 = arg.sx1, sy1 = arg.sy1;
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if (this.visuals.line.doit) {
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results = [];
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for (j = 0, len = indices.length; j < len; j++) {
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i = indices[j];
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if (isNaN(sx0[i] + sy0[i] + sx1[i] + sy1[i])) {
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continue;
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}
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ctx.beginPath();
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ctx.moveTo(sx0[i], sy0[i]);
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ctx.lineTo(sx1[i], sy1[i]);
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this.visuals.line.set_vectorize(ctx, i);
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results.push(ctx.stroke());
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}
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return results;
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}
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};
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SegmentView.prototype.draw_legend = function(ctx, x0, x1, y0, y1) {
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return this._generic_line_legend(ctx, x0, x1, y0, y1);
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};
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return SegmentView;
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})(Glyph.View);
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Segment = (function(superClass) {
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extend(Segment, superClass);
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function Segment() {
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return Segment.__super__.constructor.apply(this, arguments);
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}
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Segment.prototype.default_view = SegmentView;
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Segment.prototype.type = 'Segment';
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Segment.coords([['x0', 'y0'], ['x1', 'y1']]);
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Segment.mixins(['line']);
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return Segment;
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})(Glyph.Model);
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module.exports = {
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Model: Segment,
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View: SegmentView
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};
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