@jbrowse/plugin-wiggle
Version:
JBrowse 2 wiggle adapters, tracks, etc.
71 lines (70 loc) • 2.96 kB
JavaScript
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var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
var desc = Object.getOwnPropertyDescriptor(m, k);
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desc = { enumerable: true, get: function() { return m[k]; } };
}
Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || (function () {
var ownKeys = function(o) {
ownKeys = Object.getOwnPropertyNames || function (o) {
var ar = [];
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return function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
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__setModuleDefault(result, mod);
return result;
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})();
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const util_1 = require("@jbrowse/core/util");
const WiggleBaseRenderer_1 = __importDefault(require("../WiggleBaseRenderer"));
class MultiXYPlotRenderer extends WiggleBaseRenderer_1.default {
async draw(ctx, props) {
const { stopToken, bpPerPx, sources, regions, features } = props;
const region = regions[0];
const groups = (0, util_1.groupBy)(features.values(), f => f.get('source'));
const height = props.height / sources.length;
const width = (region.end - region.start) / bpPerPx;
const { drawXY } = await Promise.resolve().then(() => __importStar(require('../drawXY')));
let feats = [];
ctx.save();
(0, util_1.forEachWithStopTokenCheck)(sources, stopToken, source => {
const { reducedFeatures } = drawXY(ctx, {
...props,
features: groups[source.name] || [],
height,
colorCallback: () => source.color || 'blue',
});
ctx.strokeStyle = 'rgba(200,200,200,0.8)';
ctx.beginPath();
ctx.moveTo(0, height);
ctx.lineTo(width, height);
ctx.stroke();
ctx.translate(0, height);
feats = feats.concat(reducedFeatures);
});
ctx.restore();
return { reducedFeatures: feats };
}
}
exports.default = MultiXYPlotRenderer;