Files
PowerToys/src/common/FilePreviewCommon
mbartlett21 89c33fae68 [peek, explorer] Update QOI reader for 3-channel images (#39304)
<!-- Enter a brief description/summary of your PR here. What does it
fix/what does it change/how was it tested (even manually, if necessary)?
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## Summary of the Pull Request

Make sure we account for Bitmap row length being a multiple of 4 when
reading Qoi files.

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## PR Checklist

- [x] **Closes:** #31948
- [ ] **Communication:** Not discussed, but a bug fix
- [ ] **Tests:** Added/updated and all pass
- [ ] **Localization:** All end user facing strings can be localized
- [ ] **Dev docs:** Added/updated
- [ ] **New binaries:** Added on the required places
- [ ] [JSON for
signing](https://github.com/microsoft/PowerToys/blob/main/.pipelines/ESRPSigning_core.json)
for new binaries
- [ ] [WXS for
installer](https://github.com/microsoft/PowerToys/blob/main/installer/PowerToysSetup/Product.wxs)
for new binaries and localization folder
- [ ] [YML for CI
pipeline](https://github.com/microsoft/PowerToys/blob/main/.pipelines/ci/templates/build-powertoys-steps.yml)
for new test projects
- [ ] [YML for signed
pipeline](https://github.com/microsoft/PowerToys/blob/main/.pipelines/release.yml)
- [ ] **Documentation updated:** If checked, please file a pull request
on [our docs
repo](https://github.com/MicrosoftDocs/windows-uwp/tree/docs/hub/powertoys)
and link it here: #xxx

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or any additional comments/features here -->
## Detailed Description of the Pull Request / Additional comments



<!-- Describe how you validated the behavior. Add automated tests
wherever possible, but list manual validation steps taken as well -->
## Validation Steps Performed

Built and run and restarted file explorer.
Sample files from my comment on the issue (after rewriting each one to
force the thumbnail to regenrate):

![image](https://github.com/user-attachments/assets/5874f958-0f03-4683-abe3-d54c979ad2a1)
2025-05-30 18:32:40 +08:00
..