image-scanner

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

由 喜你入骨 提交于 2019-11-29 00:10:07
问题 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 file dialog which he/she uses to locate the scanned image The user hits "Upload image" and the scanned image is uploaded to the server where it is stored This

Using C#/WIA version 2.0 on Vista to Scan

由 依然范特西╮ 提交于 2019-11-28 16:44:02
I want to implement a paperless filing system and was looking to use WIA with C# for the image acquisition. There are quite a few sample projects on CodeProject, etc. However, after downloading every one of them that I can find, I have run into a problem. In each and every one of them, the reference to WIALib is broken. When I go to add "Microsoft Windows Image Acquisition" as a reference, the only version available on my development workstation (also the machine that will run this) is 2.0. Unfortunately, every one of these sample projects appear to have been coded against 1.x. The reference

Is it possible to have flash access a generic TWAIN Scanner?

由 巧了我就是萌 提交于 2019-11-28 11:59:45
问题 Is it possible to have flash access a generic twain scanner from my web-application, save the file and upload it into my application? I have done some searching through google but wasn't able to find to much detail in this. Is there any pre-made solutions, Paid / Free (ideally). If Flash isn't the best route to go, would Java Applet be better, if so, is their a solution already built? Any thoughts on this would be greatly appreciated. Cheers. 回答1: I'm not sure this is an answer your looking

C# TWAIN interaction

由 纵然是瞬间 提交于 2019-11-28 11:25:59
I'm trying to set up a C# application which uses TWAIN example from code project 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.AddMessageFilter(); Is there a way to do same thing in WPF Window? (To add message filter and catch TWAIN callbacks). Another totally high level question: Does anybody know about alternative C# TWAIN libraries\wrappers? Thank you. csgero You could try it with the ComponentDispatcher.ThreadFilterMessage event. As far as I

Using C#/WIA version 2.0 on Vista to Scan

由 独自空忆成欢 提交于 2019-11-27 19:59:52
问题 I want to implement a paperless filing system and was looking to use WIA with C# for the image acquisition. There are quite a few sample projects on CodeProject, etc. However, after downloading every one of them that I can find, I have run into a problem. In each and every one of them, the reference to WIALib is broken. When I go to add "Microsoft Windows Image Acquisition" as a reference, the only version available on my development workstation (also the machine that will run this) is 2.0.

C# TWAIN interaction

由 感情迁移 提交于 2019-11-27 06:13:13
问题 I'm trying to set up a C# application which uses TWAIN example from code project 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.AddMessageFilter(); Is there a way to do same thing in WPF Window? (To add message filter and catch TWAIN callbacks). Another totally high level question: Does anybody know about alternative C# TWAIN libraries\wrappers?
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