Method drawBody

src/plugins/plugin.tooltip.js:871–933

(pt, ctx, options)

  }

  drawBody(pt, ctx, options) {
    const {body} = this;
    const {bodySpacing, bodyAlign, displayColors, boxHeight, boxWidth, boxPadding} = options;
    const bodyFont = toFont(options.bodyFont);
    let bodyLineHeight = bodyFont.lineHeight;
    let xLinePadding = 0;

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

    const fillLineOfText = function(line) {
      ctx.fillText(line, rtlHelper.x(pt.x + xLinePadding), pt.y + bodyLineHeight / 2);
      pt.y += bodyLineHeight + bodySpacing;
    };

    const bodyAlignForCalculation = rtlHelper.textAlign(bodyAlign);
    let bodyItem, textColor, lines, i, j, ilen, jlen;

    ctx.textAlign = bodyAlign;
    ctx.textBaseline = class="st">'middle';
    ctx.font = bodyFont.string;

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

    class="cm">// Before body lines
    ctx.fillStyle = options.bodyColor;
    each(this.beforeBody, fillLineOfText);

    xLinePadding = displayColors && bodyAlignForCalculation !== class="st">'right'
      ? bodyAlign === class="st">'center' ? (boxWidth / 2 + boxPadding) : (boxWidth + 2 + boxPadding)
      : 0;

    class="cm">// Draw body lines now
    for (i = 0, ilen = body.length; i < ilen; ++i) {
      bodyItem = body[i];
      textColor = this.labelTextColors[i];

      ctx.fillStyle = textColor;
      each(bodyItem.before, fillLineOfText);

      lines = bodyItem.lines;
      class="cm">// Draw Legend-like boxes if needed
      if (displayColors && lines.length) {
        this._drawColorBox(ctx, pt, i, rtlHelper, options);
        bodyLineHeight = Math.max(bodyFont.lineHeight, boxHeight);
      }

      for (j = 0, jlen = lines.length; j < jlen; ++j) {
        fillLineOfText(lines[j]);
        class="cm">// Reset for any lines that don't include colorbox
        bodyLineHeight = bodyFont.lineHeight;
      }

      each(bodyItem.after, fillLineOfText);
    }

    class="cm">// Reset back to 0 for after body
    xLinePadding = 0;
    bodyLineHeight = bodyFont.lineHeight;