Function putWord

src/layout.js:985–1102

(item, loopIndex)

       calculate it's size and determine it's position, and actually
       put it on the canvas. */
  var putWord = function putWord(item, loopIndex) {
    if (loopIndex > 20) {
      return null;
    }

    var word, weight, attributes;
    if (Array.isArray(item)) {
      word = item[0];
      weight = item[1];
    } else {
      word = item.word;
      weight = item.weight;
      attributes = item.attributes;
    }
    var rotateDeg = getRotateDeg();

    var extraDataArray = getItemExtraData(item);

    // get info needed to put the text onto the canvas
    var info = getTextInfo(word, weight, rotateDeg, extraDataArray);

    // not getting the info means we shouldn't be drawing this one.
    if (!info) {
      return false;
    }

    if (exceedTime()) {
      return false;
    }

    // If drawOutOfBound is set to false,
    // skip the loop if we have already know the bounding box of
    // word is larger than the canvas.
    if (!settings.drawOutOfBound && !settings.shrinkToFit) {
      var bounds = info.bounds;
      if (bounds[1] - bounds[3] + 1 > ngx || bounds[2] - bounds[0] + 1 > ngy) {
        return false;
      }
    }

    // Determine the position to put the text by
    // start looking for the nearest points
    var r = maxRadius + 1;

    var tryToPutWordAtPoint = function (gxy) {
      var gx = Math.floor(gxy[0] - info.gw / 2);
      var gy = Math.floor(gxy[1] - info.gh / 2);
      var gw = info.gw;
      var gh = info.gh;

      // If we cannot fit the text at this position, return false
      // and go to the next position.
      if (!canFitText(gx, gy, gw, gh, info.occupied)) {
        return false;
      }

      // Actually put the text on the canvas
      drawText(