Method update

src/plugins/plugin.title.js:29–52

(maxWidth, maxHeight)

  }

  update(maxWidth, maxHeight) {
    const opts = this.options;

    this.left = 0;
    this.top = 0;

    if (!opts.display) {
      this.width = this.height = this.right = this.bottom = 0;
      return;
    }

    this.width = this.right = maxWidth;
    this.height = this.bottom = maxHeight;

    const lineCount = isArray(opts.text) ? opts.text.length : 1;
    this._padding = toPadding(opts.padding);
    const textSize = lineCount * toFont(opts.font).lineHeight + this._padding.height;

    if (this.isHorizontal()) {
      this.height = textSize;
    } else {
      this.width = textSize;
    }
  }

  isHorizontal() {
    const pos = this.options.position;