DataMatrixPolarity
Specifies the data-to-background contrast for the Data Matrix barcode.
Elements
| Name | Value | Description |
|---|---|---|
| IMAQ_AUTO_DETECT_POLARITY | -2 | Sets the function to determine the Data Matrix barcode polarity automatically. |
| IMAQ_BLACK_DATA_ON_WHITE_BACKGROUND | 0 | Sets the function to read Data Matrix barcodes with dark data on a bright background. |
| IMAQ_WHITE_DATA_ON_BLACK_BACKGROUND | 1 | Sets the function to read Data Matrix barcodes with bright data on a dark background. |
| IMAQ_DATA_MATRIX_POLARITY_SIZE_GUARD | 0xFFFFFFFF | Reserved |