twain

Getting Java and TWAIN to play together nicely

I'm working on building an app to scan directly from TWAIN scanner to a Java applet. I'm already aware of Morena and JTwain, but they cost money. I need free. I could re-invent the wheel with JNI, but it seems like someone has probably already done this as a FOSS tool. Is anyone familiar with a free tool that can get a Java applet to re...

.NET Scanning API

Is there any free or commercial component written in .NET (no COM interop) that will work with most twain scanners? ...

How do I check if the scanner is plugged in (C#, .NET TWAIN)

Hi. I use .NET TWAIN from http://www.codeproject.com/KB/dotnet/twaindotnet.aspx?msg=1007385#xx1007385xx in my application. When i try to scan image when scanner is not plugged in, application freeze. How to check is any device plugged in from TWAIN driver? Thanks. ...

Delphi Free and Open Source Components that are still maintained.

It would be good to compile a new inventory here of Delphi FOSS components that are very useful, also with rare and difficult to find functionality and still maintained for the latest Delphi versions. Examples of rare components are for instance "TWAIN" scanning components, raw printing etc. Your comments added will make for a very valua...

Can one listen a twain (Maybe WIA) scanner?

I am evaluating VintaSoft .net control and Atalasoft DotTwain Image Capture. And I am very but very lost with the most of the definitions and keywords. So I am asking this because I think I am in Lala land. Is it possible to listen or have the scanner tell my app that there is a scanned image and I can process it? The idea is to have a...

WIA Twain support C#

How can I use WIA and Twain in C#? The TWIAIN/C# example found at http://www.codeproject.com/KB/dotnet/twaindotnet.aspx Throws an exception at line 59 on TwainLib.cs "an attempt was made to load a program with an incorrect format." on Vista 64. I would use WIA but it does not have support for all of the devices I want to use. Is there ...

C# TWAIN interaction

Hello, I'm trying to set up a C# application which uses TWAIN example from http://www.codeproject.com/KB/dotnet/twaindotnet.aspx This works fine except that I need to cast Form to IMessageFilter and call IMessageFilter.PreFilterMessage() to catch TWAIN callbacks. Also I need to start this filtering by calling Application.AddMessag...

Delphi Twain issue help

Using the DelphiTwain files from http://delphitwain.sourceforge.net/ and am getting some weird behavior. After each scan a little more memory is being held onto. After an hour or so of repetitive scans, the image scanned is zoomed in approxamately 10 times, and just the upper-left square inch is stored. Has anyone had similar issu...

How do I set the DPI of a scan using TWAIN in C++

I am using TWAIN in C++ and I am trying to set the DPI manually so that a user is not displayed with the scan dialog but instead the page just scans with set defaults and is stored for them. I need to set the DPI manually but I can not seem to get it to work. I have tried setting the capability using the ICAP_XRESOLUTION and the ICAP_YRE...

TWAIN Browser Plugin

Does anyone know of a good TWAIN browser plugin to scan images and send to a web application? If it includes features such as deskew it would be even better. Thanks! ...

Twain question: is it possible to scan just one document from feeder?

I am playing with the code from http://www.codeproject.com/KB/dotnet/twaindotnet.aspx I am having a problem because twain returns control only after all documents in feeder are scanned. This leads to high memory usage if I scan 20 or more documents. I thought of scanning just one document at a time from the feeder and saving the image ...

php script to acquire an image from a Twain source (scanner)

i look a script that do this , that can acquire an image from scanner and upload it to server i work in LAMP environment . i know this company: http://www.chestysoft.com/ximage/twainupload.asp Does anyone know free script (activeX) ? Does anyone use a similar script ? ...

Simulating a TWAIN Device

Our company is using some software that ONLY accepts input from an "Imaging Device" i.e. a TWAIN device (e.g. scanner). The problem is that we are receiving our files digitally, so using an actual scanner would require us to print, scan, and shred documents that we already have on the computer, but not in the software. I was curious if...

Web TWAIN scanning solution for ASP.Net?

Hello, I know some of you will discourage scanning through a web page, unfortunately, it is a requirement. I want to view my options in the situation, and maybe, some of you may have already gone through this and had a workable solution. Problem is, we need to have a universal approach in scanning documents through the webpage without...

Interfacing with the end-user's scanner from a webapp (web/scanner integration)

Consider the following scanning procedure in a typical document handling webapp: The user scans a document using a scanner connected to his/her computer The scanned image is saved locally on the user's computer as a BMP/JPG/TIF/PNG file The user hits a file upload "Browse.." button in the web application The user is presented with a fi...

How to implement automatic properties in VS 2005 for a delegate callback

I'm attempting to get the TwainDotNet solution I found here (http://stackoverflow.com/questions/476084/c-twain-interaction) to compile, and I'm at my wits end. This solution was obviously developed in VS 2008, and I'm working in 2005 (no choice at the moment). I've spent probably WAY to much time getting this all to compile in 2005, an...

TWAIN-able DSC Recommendation?

I want to buy a DSC with full TWAIN support, like exposure, white balance, focal distance, aperture time/size, resolution, etc. What's the taxonomic name should I call this kind of DSC? So I can search out those TWAIN-able DSC. And if you have experienced with TWAIN-able DSC, could you give me some recommendation? ...

Twain driver sometimes giving "Cannot create a file when that file already exists"

I have a WPF application that works on XP and usually(?) works on Windows 7. The twain library is raising a Win32Exception when I try to enable the twain GUI. On-screen, I see the GUI come up and start to give images (this is a USB 2820 video, for what that's worth), but it quickly crashes. The exception's message is that it "Cannot c...

Why is setting PixelType not working when negotiating Twain Session?

Hello, I'm trying to specify programmatically settings for scanning in TWAIN session. Because amount of code here would be significant I'm going to try to explain the problem without pasting the entire code. I hope there's someone good at TWAIN to help me.... To do scanning settings I'm using lowlevel calls to native Twain library. The...

OS X Mac and writing a twain scanning application.

Can someone point me to the correct place to start development of a twain scanning appliation for the MAC osx. I have done some simple objective c development in the past, but nothing interfacing with a device. ...