missing System.Drawing.Color assembly about dotnetgraph HOT 14 CLOSED

There is no stupid question! It requires the Color type because I wanted the users to be able to set the various color properties (node/edge color/background...) using a .NET type (converted to hex format in the compiled dot file). But since it can cause problems in some environments I might create my own color type based on the System.Drawing's one.

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yes, sorry, been hiking the last couple of days ;) works, thx a lot :D

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What OS are you using? If you are not using Windows this might the problem: https://learn.microsoft.com/en-us/dotnet/api/system.drawing?view=net-6.0#remarks
You could try to resolve it by installing this nuget package: https://www.nuget.org/packages/System.Drawing.Common/

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I am using Win11 latest versions to compile and run the dll.
I also tried referring the System.Drawing.Common and also repacked it into the target dll, but that does not change the program to later fail on missing this dependency

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Is this maybe due to using .NETFramework v4.6.2 ? I am not a specialist in dotnet, but the page you linked I also found before and it mentions on .net 5 and .net 6, right?

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Hum, not sure it could be because of the framework version, there is no reason .NET 4.6.2 doesn't include the Color type. Could you try to create a console application with the same framework version please? (but outside unity) so we could determine if the problem is coming from Unity.

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I have just tested on a Windows machine and it works fine outside Unity, so the problem is coming from Unity.
Have you tried this already? https://stackoverflow.com/a/70217835

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Thanks for the answers. What I did now is to copy the System.Drawing.dll into my project and let it, together with Syste.Drawing.Common.dll get repacked to the target .dll - but this still does not change the issue I am facing...

Maybe bit stupid question: why does the DotNetGraph require colors if it will just write text files that I later will import into GraphViz or similar? The text file would not require things like a color, would it?
Can I somehow work around this need for the extra libraries to just assemble the text file?

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for what I am trying to do (drawing graphs of in-game objects) colorless would also be fine. Any ideas on when you might have time to do a change that does not require System.Drawing?

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I've just pushed a beta version with my own color type DotColor, it is available here: https://www.nuget.org/packages/DotNetGraph/3.0.0-beta3
This is version 3.0 so it will require some changes on your side, creating graph/node/edge is a bit different and using fluent extension methods. You can check the readme file on master for some examples, it shouldn't be difficult!

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Very nice :)
Are you using a special StringWriter lib that supports async? I get this error copying the code from README:
Type 'System.IO.StringWriter' used in a 'await using' declaration must be implicitly convertible to 'System.IAsyncDisposable' or implement a suitable 'DisposeAsync' method. Did you mean to use 'using' instead of 'await using'?

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btw I am not sure if you really need to use the async writer, do you?
calling like this did also work (at least for a small example

var writer = new StringWriter();
directedGraph.CompileAsync(new CompilationContext(writer, new CompilationOptions()));
var result = writer.GetStringBuilder().ToString();

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You don't need the await using on the string writer, this is a new feature of .net that is not in .net framework.
But you still need to await the CompileAsync method.

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@FelixReuthlinger Is it all good? Can I close the issue?

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