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Spelt / ZXing.Delphi

ZXing Barcode Scanning object Pascal Library for Delphi VCL and Delphi Firemonkey
Apache License 2.0
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Update main.pas #118

Closed koufopoulosf closed 2 years ago

koufopoulosf commented 3 years ago

Tested on my android device: when someone reopens the camera it automatically gets high quality, making it appear slow on the screen. Adding this line will make the camera open again from high quality to medium quality, thus appearing faster.

koufopoulosf commented 3 years ago

The ZXing project seems to run pretty fast on android and at the same time maintains the high quality image!!

At this project it seems to be a trade-off between quality and frame rate (speed).. Has anyone figured out a solution to this?

Any recommendations would be highly appreciated!

Thanks!

igorbastosib commented 2 years ago

The problem with ZXing + Delphi is the Delphi native component camera, which is not that good... The only solution that I saw was mixing ZXing and Kastri camera: https://github.com/DelphiWorlds/Kastri/tree/master/Demos/Camera Which makes the ZXing code scanner prety faster than while using native camera.

Take a look on: https://github.com/ImperiumDelphi/TCodeReader He did exactly it. https://youtu.be/v8oROxOSFNU

Spelt commented 2 years ago

Yes he has a nice implementation.

Btw on Android I don’t have perf problems anymore since Delphi 10.4.2

Op 25 okt. 2021 om 10:32 heeft Igor @.***> het volgende geschreven:

 The problem with ZXing + Delphi is the Delphi native component camera, which is not that good... The only solution that I saw was mixing ZXing and Kastri camera: https://github.com/DelphiWorlds/Kastri/tree/master/Demos/Camera Which makes the ZXing code scanner prety faster than while using native camera.

Take a look on: https://github.com/ImperiumDelphi/TCodeReader He did exactly it. https://youtu.be/v8oROxOSFNU

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