oleibman 5a60ba45ab Sheet Background Images (#3795) ...

* 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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Calculation

Update coding style

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Cell

check if coordinate is inside range (#3779)

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Features/AutoFilter/Xlsx

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Functional/TypeAttributePreservation

Strict mode for all tests

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Reader

Address Some Chart Problems (#3771)

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Shared

Strict mode for all tests

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Style

Strict mode for all tests

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Worksheet

Unit Tests for changing a Table name

2022-12-09 12:38:45 +01:00

Writer

Sheet Background Images (#3795)

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CalculationBinaryComparisonOperation.php

Strict mode for all tests

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CellAbsoluteCoordinate.php

Strict mode for all tests

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CellAbsoluteReference.php

Strict mode for all tests

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CellBuildRange.php

Strict mode for all tests

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CellCoordinates.php

Strict mode for all tests

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CellExtractAllCellReferencesInRange.php

Strict mode for all tests

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CellGetRangeBoundaries.php

Strict mode for all tests

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CellMergeRangesInCollection.php

Strict mode for all tests

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CellRangeBoundaries.php

Strict mode for all tests

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CellRangeDimension.php

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CellSplitRange.php

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ColumnIndex.php

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ColumnString.php

Strict mode for all tests

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CoordinateIsRange.php

Strict mode for all tests

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ReferenceHelperFormulaUpdates.php

Strict mode for all tests

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ReferenceHelperFormulaUpdatesMultipleSheet.php

Strict mode for all tests

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