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Junk characters C40 with C++ API IDAutomation_DMFontEncode


We're using the Data Matrix Font and Encoder; calling the IDAutomation_DMFontEncode function in IDAutomationDataMatrix.h with these parameters:
· DataToEncode: "000000000000000000000001000012345600010003000"
· ProcessTilde: false
· EncodingMode: 1 (E_C40)
· PreferredFormat: 0
When we put the result in the IDAutomationDMatrix font and scan, it shows this data:
000000000000000000000001000012345600010003000GRJHR251

The characters "GRJHR251" at the end are erroneous. They do not appear in any other encoding mode other than C40.
Our IDAutomationDataMatrix.h header says "C++ Header File for IDAutomation Data Matrix Fonts V2020".
Note that we are not using a DLL or library of any kind. We were supplied the files IDAutomationDataMatrix.h and IDAutomationDataMatrix.cpp and we compiled them into our application. Is there any update to the C++ code which fixes this?

Operating System: Windows 10

Application: Custom application using the C++ code in IDAutomationDataMatrix.cpp.

07-22-22     2.3 year(s) ago    

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Brant

Best Answer

We have released the 2023 version of the C++ file that corrects the issue you were experiencing and it also provides much more functionality such as UTF8 encoding. For more info refer to the 2023 C++ Data Matrix Update release log.

Posted 1.6 year(s) ago

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Other Answers (1)
Thanks for checking in. The encoding is correct in ASCII mode. Our customer needs it to be encoded correctly in C40 mode as well.

Posted 2.1 year(s) ago

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