Scanner is unable to scan truncated PDF417 type barcodes

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#208 opened on May 25, 2022 1 comment 0 reactions 0 assignees View on GitHub

Description

Take these barcodes for example. None of these are able to be scanned:

![118295451737981040190048523](https://user-images.githubusercontent.com/5995356/170363765-5a5fa738-ac42-4e2c-bd46-e77ff17fbd58.png)

![118819969746157040400093088](https://user-images.githubusercontent.com/5995356/170363768-89d03fae-0830-4425-8210-994431fb2894.png)

![180735647427594040100073528](https://user-images.githubusercontent.com/5995356/170363769-76524746-a316-4b94-86bd-64c352838887.png)

![131661111802212040690065067](https://user-images.githubusercontent.com/5995356/170363771-33101e37-d56a-4f26-8a3d-1701e230358c.png)

However, if you try to scan the un-truncated versions of PDF417s, they work just fine:

![118295451737981040190048523](https://user-images.githubusercontent.com/5995356/170365491-126e579c-e6de-48dc-b841-6cdb9cc04134.png)

![118819969746157040400093088](https://user-images.githubusercontent.com/5995356/170365496-7a3a4045-4112-45a3-ad87-2ed965bc7c07.png)

![180735647427594040100073528](https://user-images.githubusercontent.com/5995356/170365497-494ad963-f95b-4278-993d-2ce2e74702fe.png)

![131661111802212040690065067](https://user-images.githubusercontent.com/5995356/170365498-ae38a4eb-355c-47c6-b7b3-b98cc52a6997.png)

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