Function computeWidth

src/components/text.js:456–458

* Determine wrap pixel count. Either specified or by experimental fudge factor. * Note that experimental factor will never be correct for variable width fonts.

(wrapPixels, wrapCount, widthFactor)

 * Note that experimental factor will never be correct for variable width fonts.
 */
function computeWidth (wrapPixels, wrapCount, widthFactor) {
  return wrapPixels || ((0.5 + wrapCount) * widthFactor);
}

/**
 * Compute default font width factor to use.