Document Imaging
It’s always a pain for web application developers to learn the browser usage of end users. Whenever creating a web application, developers need to consider the browser compatibility, and consequently need to find out the browsers that are being used by their customers.
As the technology developing, more and more individuals and businesses incline to store files digitally, such as company documents, contracts, invoices, patient charts and more.
Dynamsoft Dynamic Web TWAIN is a web browser plug-in that allows you to scan documents from TWAIN compliant devices, edit the scanned images and upload them to your local folder, FTP site, web server and/or database.
CategoriesRasterEdge .NET Image SDK - Twain ScanningFlexible Twain Reading and Decoding Technology Available for .NET Framework
Document Imaging SDK
SDK and Add-ons
> twain reading
RasterEdge Twain Scanner is designed for the users who want to capture digital images with a TWAIN (32 and 64 bit) device driver, including digital camera, scanners, video capture boards, from HTTP & FTP servers, etc. Developed according to the latest Twain scanning specification, this Twain SDK fully support for all Twain device driver, including TWAIN 1.x/2.X drivers.
With RasterEdge Twain Scanner, developers may create fast and accurate Twain scanning SDK to acquire images directly to file, or via events, transfer buffered memory, quickly analyzes the Twain source & identify image type, compression modes, frame sizes, resolutions and more for the best performance.
Features and Benefits
Fast and accurate Twain scanning SDKIntegrate within .NET Imaging SDK seamlesslyAvailable for 32-bit and 64-bit data resourcesSupport for single and multi-thread Windows-based & Web-based applicationsPerfectly work with TWAIN v1.6, v1.7, v1.8, v1.9 and later versionMultiple document & image format supportCompletely handle black and white, halftone, grayscale, palette and full color imagesSimple to read linear, postal and 2D barcodesSupport duplex scanning for both front and back of pageEasily to receive images from HTTP and FTP serversInclude Automatic Document Feeder (ADF) for single and batch scanningEasy to detect & define compression modes, frame sizes, resolutions and moreCan be used as a standalone software or add-on for .NET Imaging SDKRoyalty-free for purchased developer license
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License and Pricing
RasterEdge provides royalty-free .NET Imaging Twain SDK of purchased developer license for server- or desktop- deployment. Here is a detailed description:
Developer License: for the specified number of developer and allow deploy library to UNLIMITED physical locationSite License: for Unlimited Developer of the same organization and allow deploy library to UNLIMITED Servers or physical location
Please see product license and price details on page .Twain and Delphi
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Twain and Delphi
Acquire images from scanners, cameras and image capture devices using Delphi. See how to import (and wrap in a component) an image scan control within Delphi.
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TWAIN is a program that lets you scan an image (using a scanner) directly into the application (such as PhotoShop, Photo Paint) where you want to work with the image. Without TWAIN, you would have to close an application that was open, open a special application to receive the image, and then move the image to the application where you wanted to work with it.
You can get a great deal of information from the .
&&&Within Delphi
Even though you could use some of the third-party components below, you already might have everything you need to scan an image from a Delphi application. The setup program for Imaging (tool that ships with Windows & 98) installs the Image Scan control (OCX) and the 32-bit TWAIN DLLs. All you have to do is to
and generate a component wrapper:
I'll give you a code snippet on accessing the TImgScan component. Drop one on a form and provide an OnClick event handler for a Button control.
if ImgScan1.ScannerAvailable then
ImgScan1.OpenS
ImgScan1.ScanTo := 2;
ImgScan1.Image:='c:\MyPicture.gif';
ImgScan1.StartS
Application.ProcessM
ImgScan1.CloseS
The rest of the code is yours to explore - there is an imgocxd.hlp help on the Kodak Imaging site.
Below you will find links to third-party components/tools (both free and shareware) that encapsulate TWAIN support in Delphi:
(open source)
This library consists in a implementation of Twain features for Borland Delphi tool.
(shareware)
Handles the acquisition from scanners (devices) that are TWAIN compliant
(commercial)
Corporate Suite Delphi and CBuilder provides robust and "easy to implement" imaging toolkit in the Delphi market.
This new VCL adds "the fastest" scanning available in Twain , a new thumbnail manager, superb anti aliasing and improved annotation capability.
(shareware)
Use as a component, or add the unit to the uses clause and use a few lines of code to have twain access (one to select source, one to acquire, a few to init the system). TWScan returns a DDB (TBitmap) directly into a TImage, or optionally a DIB (THandle), and functions are provided to convert between the two if you have TIFIMG. These can be loaded into a TImage and saved as a BMP, or, if using
(another component from author) saved as GIF, BMP, TGA, JPG, TIF and more.
(shareware)
The TWAIN Toolkit for Delphi includes a component making it easy to implement the TWAIN standard into your application. The toolkit includes examples, showing how to use the component and API functions to create a TWAIN complaint application and source.
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