Re: [NTG-context] Use MetaPost to distort images?

Am 06.09.2021 um 04:13 schrieb Aditya Mahajan via ntg-context :

On Sun, 5 Sep 2021, Henning Hraban Ramm via ntg-context wrote:

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Am 05.09.2021 um 10:10 schrieb Hans Hagen :

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BTW, here’s my script: Here are some results:

Did you try that with the filter module? It would make it more portable

I completely forgot I could do that (and I even know how).

See attached. Basically, you can just copy-paste your script as the value of the filtercommand, and that's it.

Thank you! I could have done it myself... But Hans was in a generous and experimenting mood and wrote - Lua code interfacing GraphicsMagick to manipulate bitmap data - a MP interface to ImageMagick I just need to test them and will report.

PS: I realized that there is a regression, and \externalfilterbasefile does not remove the file extension. So, the output is named mill.png-taped.png rather than mill-taped.png. I'll look into it later

Oh, thank you. I need to check in my LilyPond setup. Hraban