The DTWAIN Interface
Library (DTWAIN) is a 32-bit DLL that allows your C, C++ Delphi, Visual Basic,
Visual FoxPro, etc. application to incorporate TWAIN image capture. Here are
some of the features of DTWAIN:



32-bit DLL for Windows 95/98/NT/2000/XP.
DTWAIN works with any language that can call
external DLL functions. This includes Visual Basic, Delphi, FoxPro, etc.
Example programs for the following languages: C, C++

(straight C++, MFC), and Visual Basic.
DTWAIN C++ classes included for even faster, robust
development.
Acquire Images from any TWAIN compliant scanner or digital
camera.
As few as 5 function calls to acquire multiple pages.
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.
Save acquired images to a number of image file formats
(BMP, TIFF (Single and Multipage), JPEG, TGA, PCX, DCX, PNG, Adobe PSD, WMF/EMF, and PDF*), even if the Source doesn't support file acquisitions.
Acquire images to the Windows Clipboard.
Acquire 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.
Set contrast, brightness, and many other capabilities.
Set orientation and paper sizes (fully TWAIN compliant
devices only).
Get all supported capab

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