<?php namespace PhpOffice\PhpSpreadsheet\Chart\Renderer; use PhpOffice\PhpSpreadsheet\Chart\Chart; interface IRenderer { /** * IRenderer constructor.< * < * @param \PhpOffice\PhpSpreadsheet\Chart\Chart $chart*/ public function __construct(Chart $chart); /** * Render the chart to given file (or stream). * * @param string $filename Name of the file render to * * @return bool true on success */ public function render($filename); }