*/ protected array $blocks = []; /** * Get LZW min. code size * * @return int */ public function getLzwMinCodeSize(): int { return $this->lzw_min_code_size; } /** * Set lzw min. code size * * @param int $size * @return ImageData */ public function setLzwMinCodeSize(int $size): self { $this->lzw_min_code_size = $size; return $this; } /** * Get current data sub blocks * * @return array */ public function getBlocks(): array { return $this->blocks; } /** * Addd sub block * * @param DataSubBlock $block * @return ImageData */ public function addBlock(DataSubBlock $block): self { $this->blocks[] = $block; return $this; } /** * Determine if data sub blocks are present * * @return bool */ public function hasBlocks(): bool { return count($this->blocks) >= 1; } }