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Can't scan very small QR codes size 0.2'' * 0.2'' #290

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anmol-shukla opened this issue Sep 14, 2021 · 9 comments
Open

Can't scan very small QR codes size 0.2'' * 0.2'' #290

anmol-shukla opened this issue Sep 14, 2021 · 9 comments
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@anmol-shukla
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I was trying to scan a QR code of size 0.2'' * 0.2'' but neither it scans the qr code normally nor there is any option of zooming in on the qr code. I have to go very near to the QR code to scan it but I need it to scan the QR from a distance as well. Please Help!!

I tried it on both chrome and chrome android. It also not working on any smart phone.

@mebjas
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mebjas commented Oct 5, 2021

I'll add zoom option (when supported) to handle this.

@mebjas mebjas self-assigned this Oct 5, 2021
@gai00
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gai00 commented Oct 21, 2021

How about just scale the media stream on canvas?
some camera cannot capture clear if range is too close.

@mebjas
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mebjas commented Oct 21, 2021

Can you share some example of small QR codes I can test out.

@mebjas
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mebjas commented Oct 21, 2021

Feature request for zoom feature: #330

@mebjas
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mebjas commented Oct 26, 2021

Please share some small QR codes for testing

@anmol-shukla
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@ezracarr
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did this feature get merged in?

@mebjas
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mebjas commented Nov 22, 2022

Zoom feature suppprt added to Html5QrcodeScanner with version 2.3.2

Check release: https://github.com/mebjas/html5-qrcode/releases/tag/v2.3.2

@Daveyh19
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@mebjas is there a plan to support this in Safari, IOS

Currently "Not supported on Safari or any IOS browser though!"

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