spec 1 linked patterns checked
WICG: Accelerated Shape Detection in Images
Defines accelerated shape detection APIs including barcode detection, image sources, detected barcode values, bounding boxes, corner points, supported formats, and error behavior.
Read with a purpose
What this source can teach
Use this source to check a technical or accessibility requirement against its exact wording and scope.
- Start with the original. Open the source and find the guidance or example relevant to your task.
- Trace the connection. Use the claim notes below to see how this site applies the source to specific patterns.
- Check the setting. Compare the source's platform, people, and constraints with your own decision.
Pattern Decisions This Source Supports
| Pattern | Supported decision | Required contract | Claim note |
|---|---|---|---|
| QR scan | Choose QR scan when decoding a code and acting on the decoded payload is the central task. | Scanning starts only after users choose a QR-dependent task and can see purpose, fallback, and privacy impact. | Supports detected barcode raw values, bounding boxes, corner points, supported formats, and decode errors. |
Comparisons supported by this source
- QR scan vs camera capture vs permission request vs file upload vs two-factor authentication vs security warning
Supports detected barcode raw values, bounding boxes, corner points, formats, and decode errors.
Evidence Role
This source is treated as spec evidence. Its value comes from the specific claims and setting described above.
Publisher: Web Incubator Community Group. Last checked: .