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I've found paid components like LeadTools, but the project I'm working is open source, I would like to use free tools.
I need to apply several image correction filters to an image to apply some heuristics to it. .NET Framework lacks this kind of filters, I guess.
I'm not sure if it has all the filters you're looking for, but ImageProcessor is one open source SDK you can check out.
Another option is AForge.Net's framework. Take a look at their filter documentation.
ImageMagick is usually the goto for this sort of thing.
ImageMagick is a free and open-source software suite for displaying, converting, and editing raster image and vector image files. It can read and write over 200 image file formats. ImageMagick is licensed under the Apache 2.0 license. (from wikipedia)
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I am working on PDF form filler using c# code and iText library, but now the problem is iText library is no more an open source library. We need to buy license of AGPL. So I am looking for open source pdf form filler. Thank you in advance.
I think you got something wrong there.
The AGPL license is still an open source license and is there to prevent the so called "application service provider loophole". As far as I understand, if you e.g. host software that is licensed under the GPL/that uses or modifies software licensed under the GPL you don't have to give out your source code. The AGPL prevents this.
Depending on what you want to do with your software you might aswell use iText.
But before doing so try to read up on the AGPL in order to prevent any legal mistakes.
The AGPL FAQ might be a good place to start.
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I was planning to use Microsoft.Chart.Controls to create and then embed the image into the PDF report during render. When testing, I quickly realised that I was unable to run SaveImage() because of incompatibility with .NET Core (DataBoundControl Class is not part of .NET Core) and I've been searching high and low for a solution but failed miserably.
Any ideas on how the above can be achieved using .NET Core?
There is a .NET core binding for the cross-platform plotting library PLplot at https://github.com/DeepMLNet/PLplotNet.
It can output to all kinds of file formats, including PNG and PDF.
For a gallery of plots see the official documentation at http://plplot.sourceforge.net/examples.php. The color scheme can be changed easily if you don't like white on black.
Disclaimer: I am the author of the .NET bindings.
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I am looking for a conversion library that can convert my dds files to tga. I found imagemagick and DevIL. But both come with problems, because my specifications are as follows:
The library needs to be a 64-bit dll
The library needs to be managed (writing in C#)
DevIL has a wrapper called DevIL.NET, but this is 32-bits. I already tried to build the source in 64-bit, but I was missing a file and the author doesn't seem to respond at the moment.
ImageMagick doesn't seem to support dds formats.
Does anybody know a good library that complies to my requirements?
There is a way to do this but it's a bit painfull.
Humus provides C++ source code for both tga and dds reading and saving ( Download the latest framework ). You need to convert it to C# but this should be possible without any problems ( i did it once too ).
You'll find the code in the Imaging\Image.h and Imaging\Image.cpp.
Direct link to the Code( ZIP ).
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I'm searching for library that has those features:
- can save and load from wav files, compression to/from Mp3 is an option but not necessary
- give me possibility to change speed, volume and tone of part of audio file
Do you know such open source library that I can use in C# application?
I believe NAudio has all or at least most of those features.
As an alternative to NAudio, you might look into BASS. There is a solid .NET wrapper for it, and plenty of example code to get started for a number of audio tasks.
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I'm working on a project which compares image files. Before I start I decided to ask for external sources, like a commercial SDK or something open source.
I tried to write a sample where it compares 2 image files too measure how similar they are, and output a percentage result. But no luck, long time to execute and weak precision. So if someone had experience in that direction that will help me.
http://www.imagemagick.org/script/compare.php
AForge.NET is excellent...
AForge.NET
The frameworks below is the best for image processing in C#
AForge.NET
Accord.NET
Emgu CV
Really not sure about requirement , what kind of similarity you want. If you can put more details, i can help you out.