https://bugs.documentfoundation.org/show_bug.cgi?id=168392

            Bug ID: 168392
           Summary: Disappearing image fill at lower zoom
           Product: LibreOffice
           Version: unspecified
          Hardware: All
                OS: All
            Status: UNCONFIRMED
          Severity: normal
          Priority: medium
         Component: graphics stack
          Assignee: [email protected]
          Reporter: [email protected]

This is a regression.

The test file in tdf#160345 only renders correctly for me above ~180% zoom on
my 4k display;  Below that level it's entirely blank.
I bibisected it to:

This is Armin's:

commit cd93f83bbcba0379bf39f3a4e76b955b7fa368b5
Author: Armin Le Grand (collabora) <[email protected]>
Date:   Thu Aug 7 21:02:41 2025 +0200

    tdf#167831 avoid painting bitmap data with zero dimensions

    See task, there may be bitmap-filled objects in files that
    have a logical size of (0, 0), despite the bitmap having
    valid data. That leads to problems *inside* cairo paint,
    so I have to test and avoid that.

    Change-Id: I18db3b030fb5cdf77caa5afd1bf901095fa1c67b
    Reviewed-on: https://gerrit.libreoffice.org/c/core/+/189135
    Tested-by: Jenkins
    Reviewed-by: Armin Le Grand <[email protected]>

reverting this fixes the problem.   Which makes some sense - when your texture
bitmap gets tiny you can't just remove it - you've got to plot something
otherwise you lose the entire feature!

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