Sheet Background Images (#3795)

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* Sheet Background Images

Fix #1649, a 3-year-old issue long marked "stale". Excel supports background images on sheets; now PhpSpreadsheet will as well. Support is limited to Xlsx (read and write) and Html (write only). As far as I can tell, Excel Xml and Gnumeric do not support this, nor, of course, do Csv and Slk; Excel Xls does, but, as usual, how to handle it in BIFF format is a mystery; LibreOffice ODS supports it differently than Excel, and this is just another of many ODS style properties not currently supported by PhpSpreadsheet.

* Update CHANGELOG.md

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oleibman

2023-11-21 07:06:12 -08:00

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parent 96fb273b6d

commit 5a60ba45ab

11 changed files with 214 additions and 9 deletions

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tests/data/Writer/XLSX/backgroundtest.png

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