font = new Font(); $this->font->setSize(null, true); } public function setRotation(?int $rotation): self { $this->rotation = $rotation; return $this; } public function getRotation(): ?int { return $this->rotation; } public function getFillColorObject(): ChartColor { $fillColor = $this->font->getChartColor(); if ($fillColor === null) { $fillColor = new ChartColor(); $this->font->setChartColorFromObject($fillColor); } return $fillColor; } public function getFont(): Font { return $this->font; } public function setFont(Font $font): self { $this->font = $font; return $this; } }