Several barcode types are identified by multiple names. But in Barcode Xpress for Linux, they are referenced by a single enumeration, BX_BarcodeType. The table below shows which barcode type and enumeration value must be mapped.

Format	Name	Readable/Writeable
2D Barcodes
Aztec	BX_BarcodeType_Aztec	R
Data Matrix	BX_BarcodeType_DataMatrix	R/W
MicroPDF417	BX_BarcodeType_MicroPDF417	R
PDF417	BX_BarcodeType_PDF417	R/W
QR Code	BX_BarcodeType_QRCode	R/W
1D Barcodes
Add-2	BX_BarcodeType_Add2	R
Add-5	BX_BarcodeType_Add5	R
Airline 2 of 5	BX_BarcodeType_IATA2of5	R
Australia Post 4-State Code	BX_BarcodeType_AustralianPost4State	R
BCD Matrix	BX_BarcodeType_BCDMatrix	R
Codabar	BX_BarcodeType_Codabar	R/W
Code 128 (A,B,C)	BX_BarcodeType_Code128	R/W
Code 2 of 5	BX_BarcodeType_Industrial2of5	R/W
Code 32	BX_BarcodeType_Code32	R
Code 39	BX_BarcodeType_Code39	R/W
Code 39 Extended	BX_BarcodeType_Code39Ext	R/W
Code 93	BX_BarcodeType_Code93	R/W
Code 93 Extended	BX_BarcodeType_Code93Ext	R/W
DataLogic 2 of 5	BX_BarcodeType_DataLogic2of5	R
EAN 128 (GS1, UCC)	BX_BarcodeType_EAN128	R/W
EAN-13	BX_BarcodeType_EAN13	R/W
EAN-8	BX_BarcodeType_EAN8	R/W
Industrial 2 of 5	BX_BarcodeType_Industrial2of5	R/W
Intelligent Mail (OneCode)	BX_BarcodeType_IntelligentMail	R
Interleaved 2 of 5	BX_BarcodeType_Interleaved2of5	R/W
Invert 2 of 5	BX_BarcodeType_Inverted2of5	R
ITF-14 / SCC-14	BX_BarcodeType_Interleaved2of5	R
Matrix 2 of 5	BX_BarcodeType_Matrix2of5	R
Patch Codes	BX_BarcodeType_PatchCode	R/W
Planet	BX_BarcodeType_Planet	R
PostNet	BX_BarcodeType_PostNet	R
Royal Mail (RM4SCC)	BX_BarcodeType_RoyalPost4State	R
UCC 128	BX_BarcodeType_EAN128	R
UPC-A	BX_BarcodeType_UPCA	R/W
UPC-E	BX_BarcodeType_UPCE	R/W
UPU 4-State	BX_BarcodeType_UPU4State	R