DTWAIN 3.0.0.0 Beta / 2.4.0.8 Description:

The DTWAIN name stands for DynaRithmic TWAIN Library. DTWAIN is a powerful programmer's library that will allow you to easily integrate TWAIN image acquisition from any TWAIN scanner or digital camera into your applications.

DTWAIN is implemented as a 32-bit Dynamic Link Library (DLL) by itself, or as an ActiveX / .NET component developed by THBComponents. DTWAIN has over 350 functions that allow you to communicate with your TWAIN device, adding power and flexibility to the library.

If you're a programmer and you are tired of attempting to get TWAIN image retrieval implemented within your application successfully, or do not want to get bogged down in the details of the hard-to-implement TWAIN specification for communicating with TWAIN devices, this library is exactly what you need.

DTWAIN 3.0.0.0 Beta / 2.4.0.8 Features:

· 32-bit Dynamic Link Library (DLL) for Win 95/98/NT/2000/XP.
· ActiveX/COM and .NET interfaces to DTWAIN using the THBComponents library.
· DTWAIN works with any Microsoft Window's programming language that can call external DLL functions. This includes C, C++, Visual Basic, Delphi, FoxPro, etc.
· Example programs for the following languages: C, C++ (straight C++, MFC), Visual Basic, Delphi.
· Over 300 functions are available for robust communication and handling of TWAIN devices.
· DTWAIN C++ classes included for even faster, robust development.
· Acquire Images from any TWAIN compliant scanner or digital camera, webcam, etc..
· As few as 4 function calls to acquire multiple pages from a TWAIN device.
· DTWAIN eliminates the need to code TWAIN message loops or error-prone TWAIN state transition logic.
· Acquire single or multiple pages as Device Independent Bitmaps (DIBs) or compressed images using buffered memory transfers.
· Support for scanners equipped with an automatic document feeder.
· Support for duplex scanners.
· Acquire using Native, Buffered (compressed and uncompressed images), or File Mode. Native and Buffered modes allow your application to process the image data directly.

Save acquired images to a number of image file formats. Supported formats are as follows:


· Windows BMP

· TIFF (LZW, JPEG, Flate, PackBits, No Compression) - Single and Multipage

· JPEG

· JPEG-2000

· GIF

· Targa

· PCX

· DCX

· PNG

· Windows Meta File

· Enhanced Meta File

· Adobe PSD

· Adobe PDF (only available with DTWAIN/PDF additional library)

· PostScript Level 1 and Level 2 (only available with DTWAIN/PDF additional library)

· Acquire images to the Windows Clipboard.
· Acquire images with or without the device user interface (fully TWAIN compliant devices only).
· Specify area of image to acquire.
· Optionally keep TWAIN Source open between acquisitions, allowing for faster image retrieval.
· Blank page detection and removal during the scanning/acquiring process.
· Set contrast, brightness, and many other capabilities.
· Support for acquiring images from two-sided (duplex) documents without need of a duplex scanner.
· Set orientation and paper sizes (fully TWAIN compliant devices only).
· Get all supported capabilities for a particular TWAIN Source in a single function call.
· Set or get any capability that a TWAIN device supports, including custom device capabilities defined by the manufacturer. All of this is done without the headaches of coding hard to use TWAIN containers!
· Select a Data Source using the TWAIN Select Source Dialog, Source Name or Default Source.
· DTWAIN gives your app the option of handling the TWAIN message interception or letting DTWAIN handle the message interception.
· DTWAIN has a super-simple implementation of the TWAIN message loop interception (if you want your application to handle the message interception).
· DTWAIN allows your application to shut TWAIN down gracefully and easily.
· Check for external events (only for TWAIN Specification 1.8 and above).
· Imprinter/Endorser functions.
· Extensive error handling. Locale (language) specific error messages.
· A logging feature that logs all TWAIN calls to the Source Manager. If your program crashes, the log will let you know what the last operation that was executed. The log can be written to a file or to a debug monitor window (such as DebugView from www.sysinternals.com or the Visual C++ "Output Window" when debugging in Visual C++).

· DTWAIN allows you to call the TWAIN Source Manager directly. This mode is useful for the advanced TWAIN programmer who want to "inject" their own custom TWAIN Source Manager calls within the application (C or C++ is the recommended language to use this feature).

· Optional INI settings for handling Sources that are not TWAIN compliant. Useful for Sources that generate potential fatal errors when negotiating capabilities in the "normal" manner.

· Includes full on-line help with example programs.

· Royalty-free distribution of your applications. This is for most applications developed with DTWAIN. You will not get charged for each copy of your application that you distribute that uses DTWAIN (please see note (*) below on exceptions). A Distribution License must be purchased in addition to the DTWAIN library if distribution of your applications is desired.

· 32-bit static libraries available when purchasing Distribution License. Various compilers are supported, including Visual C++ (6.0, 7.0, Studio 2005), and MingW/gcc compilers.

DTWAIN 3.0.0.0 Beta / 2.4.0.8 Limitations:

· 30-day trial period. After 30 days, you must purchase a license to continue usage.
· If acquiring to files, the following file types are supported:
· Windows BMP
· TIFF (no compression)
· TIFF (Group 4 compression)
· JPEG
· Adobe PDF
· Job control is not available.

Related searches:

twain - acquisition

DTWAIN security information

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