Logo in header cause Undefined index: height

[lodzen]

This is:

- [ x] a bug report
- [ ] a feature request
- [ ] **not** a usage question (ask them on https://stackoverflow.com/questions/tagged/phpspreadsheet or https://gitter.im/PHPOffice/PhpSpreadsheet)

What is the expected behavior?

The loader should read Images in Header.

What is the current behavior?

The method $reader->load($pFilename); is throwing an Undefined index: height exception

in phpspreadsheet\src\PhpSpreadsheet\Reader\Xlsx.php[Line 1569]:

                                                $hfImages[(string) $shape['id']] = new HeaderFooterDrawing();
                                                if (isset($imageData['title'])) {
                                                    $hfImages[(string) $shape['id']]->setName((string) $imageData['title']);
                                                }
 
                                                $hfImages[(string) $shape['id']]->setPath('zip://' . File::realpath($pFilename) . '#' . $drawings[(string) $imageData['relid']], false);
                                                $hfImages[(string) $shape['id']]->setResizeProportional(false);
                                                $hfImages[(string) $shape['id']]->setWidth($style['width']);
 **--> This line cause the issue**                   $hfImages[(string) $shape['id']]->setHeight($style['height']);
                                                if (isset($style['margin-left'])) {
                                                    $hfImages[(string) $shape['id']]->setOffsetX($style['margin-left']);
                                                }
                                                $hfImages[(string) $shape['id']]->setOffsetY($style['margin-top']);
                                                $hfImages[(string) $shape['id']]->setResizeProportional(true);

What are the steps to reproduce?

Please provide a Minimal, Complete, and Verifiable example of code that exhibits the issue without relying on an external Excel file or a web server:

Create an empty excel sheet with a logo in the header.

<?php

require __DIR__ . '/vendor/autoload.php';

// Create new Spreadsheet object
        $spreadsheet = \PhpOffice\PhpSpreadsheet\IOFactory::load("test.xlsx");     
        $sheet = $spreadsheet->getSheetByName('Description');
        $sheet->setCellValue('F5', 'Test');

        $writer = new Xlsx($spreadsheet);
        $writer->save('intermediate.xlsx');

Which versions of PhpSpreadsheet and PHP are affected?

1.6

[stale]

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