Method drawTitle

src/plugins/plugin.tooltip.js:756–784

(pt, ctx, options)

  }

  drawTitle(pt, ctx, options) {
    const title = this.title;
    const length = title.length;
    let titleFont, titleSpacing, i;

    if (length) {
      const rtlHelper = getRtlAdapter(options.rtl, this.x, this.width);

      pt.x = getAlignedX(this, options.titleAlign, options);

      ctx.textAlign = rtlHelper.textAlign(options.titleAlign);
      ctx.textBaseline = class="st">'middle';

      titleFont = toFont(options.titleFont);
      titleSpacing = options.titleSpacing;

      ctx.fillStyle = options.titleColor;
      ctx.font = titleFont.string;

      for (i = 0; i < length; ++i) {
        ctx.fillText(title[i], rtlHelper.x(pt.x), pt.y + titleFont.lineHeight / 2);
        pt.y += titleFont.lineHeight + titleSpacing; class="cm">// Line Height and spacing

        if (i + 1 === length) {
          pt.y += options.titleMarginBottom - titleSpacing; class="cm">// If Last, add margin, remove spacing
        }
      }
    }
  }

  /**
	 * @private