Barcode and QRCode reader using TCamera from Kastri and ZXing

Compatible with Embarcadero Delphi. Please note: Only the last two point releases of major releases (e.g. at present that includes 10.3.3 and 10.4.1) are "officially" supported.

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Due the lack of infrastructure, this component was not tested on iOS.

Customizations on TCamera from Kastri:

The YUV_422_888 image format was used on image caputure to utilize the luminance stream, avoinding the conversion to RGBA and after conversion to GrayScale on ZXing.

Customizations on ZXing library:

Overload Scan method, to get a luminance stream, avoinding the conversion to TBitmap to GrayScale

Intructions:

-Use the method Start to open the camera, start preview and find the code in image samples.

-On the event OnScanCodeReady get the text of code.

-Use the method Stop to close the camera and stop preview.

Screenshots: