PDFs from lumileds.com do not load with PDF.js. Part of the background loads, then only the spinner continues while using 100% CPU. 

An example pdf is http://www.lumileds.com/uploads/17/DS61-pdf 

This behaviour occurs with both the release version of pdf.js in firefox 41.0.2 and the latest .xpi downloaded from this github page.

this.current.strokeColor = this.getColorN_Pattern(arguments);
  }
  setFillColorN() {
    this.current.fillColor = this.getColorN_Pattern(arguments);
    this.current.patternFill = true;
  }
  setStrokeRGBColor(r, g, b) {
    const color = Util.makeHexColor(r, g, b);
    this.ctx.strokeStyle = color;
    this.current.strokeColor = color;
  }
  setFillRGBColor(r, g, b) {
    const color = Util.makeHexColor(r, g, b);
    this.ctx.fillStyle = color;
    this.current.fillColor = color;
    this.current.patternFill = false;
  }
  _getPattern(objId, matrix = null) {