Softek Barcode Toolkit 

Note

Within this documentation the following deffinitions apply:

• #define uint16 unsigned short
• #define uint32 unsigned int

Shell Interface

• bardecode - Reading barcodes from TIF and JPG files.
• code128draw - Creating JPG files containing Code 128 format barcodes.
• code39draw - Creating JPG files containing Code 39 format barcodes.

'C' Programmers API for Barcode Reading

Example Code

Methods:

• CreateBarcodeSession - Create an instance of the barcode toolkit.
• FreeBarcodeSession - Release an instance of the barcode toolkit.
• GetBarCodeDirection - Determine the orientation of a barcode
• GetBarCodePos - Get the page number and bounding rectangle of a barcode.
• ReadBarCode - Scan a TIF or JPG file for a barcode.
• ReadBarCodeFromBitmap - Scan a bitmap held in memory for a barcode.

Properties:

• AllowDuplicateValues - Barcodes containing the same text on the same page.
• Code39Checksum - Checksum character used with Code 39 barcodes.
• ColorThreshold - Contrast setting for color images.
• ConvertUPCEToEAN13 - Output UPC-E barcodes in EAN-13 format.
• Despeckle - Clean up images containing specks of black and white.
• ErrorCorrection - Correct errors in barcodes.
• ExtendedCode39 - Read Code 39 barcodes in the extended symbol set.
• LineJump - Frequency of line sampling in an image.
• MaxLength - Maximum string length of a barcode.
• MinLength - Minimum string length of a barcode.
• MinOccurrence - Minimum number of hits needed to read a barcode.
• MinSpaceBarWidth - Minimum width of a space in a barcode.
• MultipleRead - Read more than one barcode.
• NoiseReduction - Clean up images containing un-wanted black marks.
• PageNo - Page number to scan in an image.
• Pattern - Regular expression to search for.
• Photometric - Photometric interpretation for a black and white bitmap.
• PrefOccurrence - Preferred number of hits for a barcode.
• QuietZoneSize - Size of quiet zone around a barcode.
• ReadCodabar - Read Codabar barcodes.
• ReadCode128 - Read Code 128 barcodes.
• ReadCode25 - Read Code 25 (interlaced) barcodes.
• ReadCode25ni - Read Code 25 (non-interlaced) barcodes.
• ReadCode39 - Read Code 39 barcodes.
• ReadEAN13 - Read EAN-13 barcodes.
• ReadEAN8 - Read EAN-8 barcodes.
• ReadPDF417 - Read PDF-417 barcodes.
• ReadUPCA - Read UPC-A barcodes.
• ReadUPCE - Read UPC-E barcodes.
• ReadNumeric - Only read numeric barcodes.
• ReadPatchCodes - Read Patch Codes.
• ScanDirection - Orientation to scan for a barcode.
• ShowCheckDigit - Display check digits.
• SkewTolerance - Search for barcodes at an angle to horizontal or vertical.
• TifSplitMode - Controls how a TIF file should be split.
• TifSplitPath - Split a TIF file into smaller parts based on the location of barcodes in the image.
• UseOverSampling - Another method for cleaning up 'noisy' images.