IC Barcode

refenum_c.TIS_BarcodeParam

refenum_c.TIS_BarcodeParam

The following overview lists the different generic parameters with the respective value ranges and default values.
In general, barcodes will be found and decoded without special configuration. In case of bad performance or bad image quality, decoding quality and performance can be increased by specifying barcode params.
Name Description
TIS_BARCODEPARAMS_CHECK_CHAR Enables or disables checksum calculation on 1d barcodes, that support an optional checksum( CODE39 and Interleaved 2 of 5).
Default: -1(disabled)
Typical values: [0 ... 1]
TIS_BARCODEPARAMS_NUM_SCANLINES Specifies the number of scanlines, that will be used for 1d barcode decoding.
Default: -1(disabled)
Typical values: [10 ... 100]
TIS_BARCODEPARAMS_ELEMENT_SIZE_MIN Specifies the minimum element size, e.g. the minimum with of bars and spaces. The value is defined in pixels * 10.
Default: -1(disabled)
Typical values: [0 ... 1]
TIS_BARCODEPARAMS_ELEMENT_SIZE_MAX Specifies the maximum element size, e.g. the maximum with of bars and spaces. The value is defined in pixels * 10.
Default: -1(disabled)
Typical values: [40 ... 600]
TIS_BARCODEPARAMS_ORIENTATION Expected bar code orientation. A potential (candidate) bar code contains bars with similar orientation. The "Orientation" and "OrientationTolerance" parameters are used to specify the range.
Default: -1(disabled)
Typical values: [-90 ... 90]
TIS_BARCODEPARAMS_ORIENTATION_TOL Orientation tolerance. Please refer to the explanation of 'orientation' parameter for further information.
Default: -1(disabled)
Typical values: [0 ... 90]
TIS_BARCODEPARAMS_STOP_AFTER_NUM_RESULTS Number of successfully decoded barcodes after which the decoding will stop. If this parameter is not set(has a value of -1), all barcode candidates are decoded.
Default: -1(disabled)
Typical values: [1 ...]
TIS_BARCODEPARAMS_TIMEOUT Time period in millisecs, after after 'tis_findbarcode' is interupted. The accuracy is about 100ms.
Default: -1(disabled)
Typical values: [1 ...]
TIS_BARCODEPARAMS_MIN_WIDTH Minimum width of a barcode candidate in pixels.
Default: -1(disabled)
Typical values: [1 ...]
TIS_BARCODEPARAMS_MIN_HEIGHT Minimum height of a barcode candidate in pixels.
Default: -1(disabled)
Typical values: [1 ...]
TIS_BARCODEPARAMS_MAX_WIDTH Maximum width of a barcode candidate in pixels.
Default: -1(disabled)
Typical values: [1 ...]
TIS_BARCODEPARAMS_MAX_HEIGHT Maximum height of a barcode candidate in pixels.
Default: -1(disabled)
Typical values: [1 ...]

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