vue-cesium/lib/shared/widgets/TimelineTrack.js

Vue 3.x components for CesiumJS.

'use strict';

Object.defineProperty(exports, '__esModule', { value: true });

"use strict";
class TimelineTrack {
  constructor(interval, pixelHeight, color, backgroundColor) {
    const { Color } = Cesium;
    this.interval = interval;
    this.height = pixelHeight;
    this.color = color || new Color(0.5, 0.5, 0.5, 1);
    this.backgroundColor = backgroundColor || new Color(0, 0, 0, 0);
  }
  render(context, renderState) {
    const { JulianDate, defined } = Cesium;
    const startInterval = this.interval.start;
    const stopInterval = this.interval.stop;
    const spanStart = renderState.startJulian;
    const spanStop = JulianDate.addSeconds(renderState.startJulian, renderState.duration, new JulianDate());
    if (JulianDate.lessThan(startInterval, spanStart) && JulianDate.greaterThan(stopInterval, spanStop)) {
      context.fillStyle = this.color.toCssColorString();
      context.fillRect(0, renderState.y, renderState.timeBarWidth, this.height);
    } else if (JulianDate.lessThanOrEquals(startInterval, spanStop) && JulianDate.greaterThanOrEquals(stopInterval, spanStart)) {
      let x;
      let start, stop;
      for (x = 0; x < renderState.timeBarWidth; ++x) {
        const currentTime = JulianDate.addSeconds(renderState.startJulian, x / renderState.timeBarWidth * renderState.duration, new JulianDate());
        if (!defined(start) && JulianDate.greaterThanOrEquals(currentTime, startInterval)) {
          start = x;
        } else if (!defined(stop) && JulianDate.greaterThanOrEquals(currentTime, stopInterval)) {
          stop = x;
        }
      }
      context.fillStyle = this.backgroundColor.toCssColorString();
      context.fillRect(0, renderState.y, renderState.timeBarWidth, this.height);
      if (defined(start)) {
        if (!defined(stop)) {
          stop = renderState.timeBarWidth;
        }
        context.fillStyle = this.color.toCssColorString();
        context.fillRect(start, renderState.y, Math.max(stop - start, 1), this.height);
      }
    }
  }
}

exports["default"] = TimelineTrack;
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