Here are some functions for detecting & scanning linear & 2D barcode from black & white, grayscale, palettes and color images in HTML Document Image Viewers:
- Recognize 20+ Barcode Types
- Returns the string value of scanned barcodes
- Return check digits if barcode have one
- Return scanned barcode orientation
- Return barcode location in the documents
- More barcode reading functions
Barcode Scanning
This page provides detailed information about reading a barcode from image in RasterEdge Web Document Viewer. Before you reading barcodes in Web Document Viewer, make sure that you have install RasterEdge Barcode Scanning Add-on to your Web Document Viewer. (Want to read barcodes in Winforms, C#.NET applications or VB.NET applications, please go to
Reading Barcode in Winforms,
Scan Barcodes for C#.NET and
Barcode Reading for VB.NET.)
Read Barcode
Go to the toolbar:
- Select "Barcode Type" to choose the barcode type you want to scan;
- Select "Image Files" to choose barcode image to scan;
Read Check Digit
Go to the toolbar:
- Select "Include Check Digit" to display check digit if the barcode have one;
Read Barcode Properties
Go to the Barcode Properties toolbar:
- Select "BackColor" and "ForeColor" to detect & display background and foreground color you set before;
- Select "Orientation" to detect & display barcode rotation angle you set before;
- Select "Width" and "Height" to detect & display barcode size you set before;
More Tutorials!
Find more user guides for AJAX Zero-Footprint Document Viewer!
Want to install Imaging SDK in Winforms applications, please go to
Use Imaging SDK in Winforms.
