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This plugin offers you the possibility to decode 1D/2D barcode image to plain text. Including the QR code, Barcode, etc.
This plugin read pixels information from UTexture2D or UTextureRenderTarget2D and then decode to plain text.
The pixel format of UTexture2D must be B8G8R8A8.
Demo is available. Please Play it in new editor window.
About iOS camera:
After checking the source code of the Unreal Engine 4.21 I found that
the Enumerating Capture devices API is not implemented on iOS.
You have to use the AppleARKit plugin.
Replace the WebcamMaterial use by DrawMaterialToRenderTarget node in the demo with
a material that use the AppleARKit Camera Texture.
Now support Mac and IOS (Version 1.1).
Number of Blueprints: 1
Number of C++ Classes: 2
Network Replicated: No
Supported Development Platforms: Windows, Mac
Supported Target Build Platforms: Win32, Win64, Android, Mac, IOS