These flags identify the read processing options.
Members
| Value | Member | Description |
|---|---|---|
| 0x00000000 | None | No read flags will be used. |
| 0x00000000 | PdfReadMode0 | Basic Channel Mode: No transmission of symbology ID, No escape doubling, Macro PDF is illegal, ECI is illegal and Reserved code words are illegal. |
| 0x00000001 | Markers | Enables the reading of barcodes that have start and end markers. |
| 0x00000002 | BlockSearch | Searches for barcodes by moving up or down through the rectangle until the first character is read or if there is no barcode has been found. |
| 0x00000080 | ReturnCorrupt | Enables the engine to return the area where an un-readable PDF417 symbol was located. |
| 0x00000200 | UseColors | Enable searching for color barcodes. The colors are used as the exact bar and space colors for searching for the barcode. |
| 0x00000800 | DotmatrixForceInvert | Forces the Data Matrix read to search for reversed color symbols even when non-inverted color symbols have been found. |
| 0x00001000 | DotmatrixFastFindDisable | Disables fast find feature when reading Data Matrix symbols. Fast find is automatically disabled when reading small symbols. |
| 0x00001000 | ReturnCheck | When setting this bit, then the check character will return in all cases, regardless of Barcode1d.ErrorCheck being enabled or not. |
| 0x00001000 | PdfReadMode1 | Extended Channel Mode: Transmit L1 symbology ID, Escape doubling, Macro PDF is transmitted, ECI is transmitted and Reserved code words are transmitted. Use with PDF417 and MicroPDF417. |
| 0x00002000 | ReturnFourPoints | Enables return of four corners and not bounding rectangle. |
| 0x00004000 | PdfReadMode2 | Basic Channel Mode: Transmit L2 symbology ID, No escape doubling, Macro PDF is illegal, ECI is illegal, and Reserved code words are illegal. Use with PDF417 and MicroPDF417. |
| 0x00005000 | PdfReadMode3Basic | Basic Channel Mode: Transmit L0 symbology ID, No escape doubling, Macro PDF is illegal, ECI is illegal and Reserved code words are illegal. Use with PDF417 and MicroPDF417. |
| 0x00008000 | PdfReadMode3Extended | Extended Channel Mode: Transmit L0 symbology ID, Escape doubling, Macro PDF is transmitted, ECI is transmitted in GLI format and Reserved code words are transmitted. Used with PDF417 and MicroPDF417. |
| 0x00009000 | MicroPdfReadModeBasic | MicroPDF417 Basic Channel Mode: Code 128 Emulation Basic Channel Mode: Transmit L0, L3, L4, or L5 symbology ID, No escape doubling, Macro PDF is illegal, ECI is illegal and Reserved code words are illegal. Only used with MicroPDF417. |
| 0x0000C000 | MicroPdfReadModeExtended | MicroPDF417 Extended Channel Mode.Code 128 Emulation Extended Channel Mode. Transmit L0, L3, L4, or L5 symbology ID, Escape doubling, Macro PDF is transmitted, ECI is transmitted in GLI format and Reserved code words transmitted. Only used with MicroPDF417. |
| 0x00010000 | PdfReadMacroOption0 | Enables the return of the optional macro 'File Name' field. |
| 0x00020000 | PdfReadMacroOption1 | Enables the return of the optional macro 'Segment Count' field. |
| 0x00040000 | PdfReadMacroOption2 | Enables the return of the optional macro 'Time Stamp' field. |
| 0x00080000 | PdfReadMacroOption3 | Enables the return of the optional macro 'Sender' field. |
| 0x00100000 | PdfReadMacroOption4 | Enables the return of the optional macro 'Addressee' field. |
| 0x00200000 | PdfReadMacroOption5 | Enables the return of the optional macro 'File Size' field. |
| 0x00400000 | PdfReadMacroOption6 | Enables the return of the optional macro 'Checksum' field. |
| 0x00800000 | PdfReadMacroOption79Az | Enables the return of all optional macro fields 7 to 9 and A to Z. |
| 0x01000000 | PdfReadReturnPartial | Returns PDF417 data even when ECC does not succeed. |
| 0x02000000 | PdfFastRead | Enables the fast find feature when reading PDF417 symbols. |
These values are used when searching for linear, PDF417, MicroPDF417, or Data Matrix barcodes.
