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My application is preparing a cover-sheet for submitting documents by fax. I identify the batch by printing a Code39 on it.
The incoming faxes are received as tif files and my small c# service is polling for new faxes and calling a decoding function.
Currently I use a Win32 dll to recognize the barcode (QSbar39) and I am facing some problems with it - timeouts, hangs, errors etc. which are painful to handle.
I'd prefer the have some free .Net component or an open source class to integrate.
Whould you take a different approach? What tool do you use?
Many thanks for your answers!
BarBara is an open source barcode recognition library. It certainly isn't perfect, but I have gotten it to work (if I remember it needed some twiddling to get it to compile in VS2008) pretty well.
I've used this java libarary with good results, and have gotten it to compile in .Net with minimal effort. It's been around for a while and works pretty well. It had some minor issues with EAN codes, but that has probably been resolved now.
http://barbecue.sourceforge.net/
I'm not sure there is anything available free or open source, but VintaSoftBarcode.NET Library is pretty cheap and did the job for me on a recent project.
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Is there a library that can manipulate ext4 partitions with all the features that it provides for C#?
The other questions that asks about that everyone says that you should mount the partition with a program like Ext2Fsd and operate it with the default IO File library. The problem is that with this method I still have the Full path name limitation of 255 characters, because the Windows IO library isn't expecting to write partitions that allows more than that.
The ext2fs library which is shipped as part of e2fsprogs has Windows support, but it's probably extremely bitrotted at this point. Alas, lib/ext2fs/ntfs_io.c hasn't been updated in a long time, and lib/ext2fs/getsize.c only understands how to get 32-bit device sizes from Windows (at the time when the Windows code was last actively maintained, we didn't have ext4's 64-bit block number support yet). And of course, there is almost certainly some Linuxisms that haven't been properly #ifdef'ed out.
That being said, e2fsprogs is supported on MacOS X and FreeBSD, in addition to having some very old Windows NT support code, so it is designed to be portable, and it is most certainly not Linux/glibc specific. For that matter, it will even build on Android systems with the bionic libc! :-)
If you want to try your hand at trying to modernizing e2fsprogs and/or just libext2fs for modern Windows systems, please feel free to give it a try and send me patches; I'm happy to review and integrate them. Please use Linux kernel submission guidelines (not github pull requests, since they can't be reviewed effectively). The git tree can be found here: https://git.kernel.org/cgit/fs/ext2/e2fsprogs.git
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Last day in job I got pretty hard task. My task is to make new theme for our project (website). New theme should be rewritten to be fully responsive (actually it isn't). I have decided to use Bootstrap framework, because it is seems to be pretty nice, easy to learn and have good documentation with examples.
Today after reading most of documentation I tried to implement this. The only problem is that I tried to use it's main Less based version (which seems to have better support, cuz is main) to get better customizable themes (each theme can have it's own variables.less file) and I did not found good Less parser that work with .net MVC3.
Using JS to parse Bootstrap in not an option, because some of our customers have pretty old computers (Windows XP + IE8). I have tried to use dotless as a parser, but it had problems to handle Bootstrap, had problems with relative paths (problem with #include instruction) and was unable to load files from different directories (variables.less is in theme directory when rest of Bootstrap is shared).
If anyone can help me I will be very grateful, cuz today I spent ~8h and did totaly nothing.
You could try http://vswebessentials.com/
This nice Visual Studio plugin support LESS out of the box.
(http://vswebessentials.com/features/less)
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I have done a game used Unity engine, written in C#, now I want to publish a Android version to Google play. But currently, I know many games might be hacked if we don't obfuscate the code.
I checked this many times, but not successful yet.
Does anyone know any another tool support this?
Thank you
You can take a look at Eazfuscator.NET. We delivered automatic obfuscation technology for Unity applications that just works:
http://www.gapotchenko.com/eazfuscator.net/features/gaming-technologies/unity
Not only Android, but also iOS, Windows Phone and others are covered.
There are few code obfuscation tools for unity, but in order to use them well with your code some guidelines need to be kept in mind while coding,
so you might need to change your code in some places,
most of the code obfuscation tools don't have proper documentation for using with android .
you can see the following detailed link of the unity code obfuscation tool and how to use it with android
http://www.4infinity.com.hk/tutorial/code_obfuscation
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I am looking for some sort of API similar to Photoshop functionality, I need to create an image using layers/masks/filters programmatically.
An example: I know how to make a nice button in Photoshop, there is a sequence of simple actions. What I want is to automate this process and generate an image of the button on the fly with a few input parameters.
I think I am not the first one who came up with such idea, there must be some library out there that does this thing. Unfortunately I cannot find anything.
Thanks!
You failed to mention if the library needs to be free/open source or if commercial libraries are acceptable but one of the best out there is GdPicture.NET. I doubt you'll find anything free that is remotely comprehensive but a good free one is Filters library (LGPL).
i don't think there is an API like this
but there is free open source software which is Paint.net
get it here
http://www.getpaint.net/download.html
see source code here
http://www.afterdawn.com/software/source_codes/paint.net.cfm
hope it helped
GDI+ in .NET?
Although I haven't used them you could take a look at:
Emgu CV: http://www.emgu.com/wiki/index.php/Emgu_CV
or OpenCvSharp : http://code.google.com/p/opencvsharp/
ImageMagic have layers support http://www.imagemagick.org/Usage/layers/ and there is Net wrapper
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Is there a wrapper class somewhere for WIA/TWAIN functionality in a C# application?
Every search I make points to the same old 2001 CodeProject page, there has to be something new out there, right?
Maybe I'm not looking in the right place. :P
I need something really simple, like:
Image myImage = wiaWrapper.GetImageFromScanner();
Done and done.
Any guidance?
TwainDotNet
I've wrapped up the code from Thomas Scheidegger's article (CodeProject: .NET TWAIN image scanning) into a GitHub project.
I've cleaned up the API a bit, added WPF support and several people have added other improvements. I've tried to keep the API simple but it is still a bit more complicated that what you've got there.
Also this question has some other options: .NET Scanning API
Besides TwainDotNet maintained by Luke, I have recently noticed NTwain on NuGet (project page on Bitbucket).
Disclaimer: I work for Atalasoft
We publish DotTwain, which is a .NET TWAIN SDK. It's royalty-free and is used in InspectorTWAIN.com to help certify TWAIN drivers (we're members of the TWAIN working group).
Our product is a .NET Assembly that wraps interop calls.
You could also take a look at EZTwain from Dosadi, which is free. I don't know how native the .NET support is, but they have a way of calling from .NET.
As for a WIA C# wrapper, I came across ScanWIA on Codeplex. It doesn't have a whole lot of documentation. However, reading the source code might help.