This page provides you the information about development history of VintaSoft Twain ActiveX.
The information about the ActiveX API history can be obtained from documentation.
Improved the algorithms of existing image processing functions: despeckle, deskew, detect image border, is blank image.
The ActiveX GUID was changed, the ActiveX interface was redesigned. Applications which use a previous version must be updated and recompiled. Detailed info can be found here.
Added the ability to detect if TWAIN is installed in the system.
Added the ability to specify path to TWAIN Data Source Manager. This feature allows to use the ActiveX control in Citrix systems.
Added the ability to detect if scanner has flatbed.
Added the ability to get path to temp directory on client's computer from web application (GetPathToTempDir method). This feature allows to save the acquired image temporarily on client's computer for preview.
Added the ability to work with COM arrays in JavaScript (ConvertArrayToString method).
Added the ability to get the layout of scanned image in JavaScript (GetImageLayoutAsString method).
Added the ability to create log-file of scanner's work.
Optimized DuplexEnabled property for compatibility with Epson GT 2500 scanner.
All property names begin from upper case letter now. C++ code that uses the ActiveX must be updated.
File transfer mode supported. This transfer mode can greatly increase speed of scanning if acquired images would be saved directly to a disk without image processing.
Improved work with minimal and maximal values of brightness and contrast for better compatibility with Canon scanners.