phonegap/phonegap-plugin-barcodescanner

Question: can this plugin scan reversed QR-Code?

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#88 opened on Oct 9, 2015

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enhancementhelp wanted

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Description

Hi,

We're trying to build an app and it would like to scan a reversed QR-Code (white on black). We don't manage to get it working with this plugin. Are we doing something wrong, or is it just not supported?

Thanks! Best, Nicolas

Contributor guide

Research direction
Investigate the plugin's image preprocessing options and verify whether inverted QR code scanning is supported. Check the documentation and relevant source code for color inversion handling.
Tech stack
javascript
Domain
mobile
Issue type
Research
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
2
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
Under 1 hour
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
None
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
80