snibgo

> What does this mean? It means IM has read SHOW and BASI chunks in the mng file, but hasn't implemented any code to process them. For the meanings of...

> @snibgo, if you want to support %[fx:epoch(%[date:modify])], that's fine with us. With it, we could compare two dates, for example, between image u and v. I am working on...

I have added two functions to fx: `magicktime` and `epoch`. They can be used in `-fx "..."` expressions, but I expect they are more useful in `-format "%[fx:...]"`. `magicktime` takes...

> what about epoch(0) return seconds from the epoch? Can't do that. epoch() takes one argument that must be of the form `%[...]`. If I change it so it can...

Try again now. The section on meta channels is a proposal only, to give fx read access to meta channels. If you approve of the concept, I can implement it.

I am on Windows 11, using the Gnu C toolchain under Cygwin. With strptime(), ImageMagick builds fine for me. When I build a standalone program with "#include fx.c", the main...

The "greater than" symbol `>` is redirection, not pipe. As fmw42 says, the pipe symbol is vertical bar `|`. I wasn't aware that `!` meant "overwrite the file". And that...

The problem doesn't occur at the command line, with IM v7.1.1-38: ``` D:\temp>%IMG71138%magick toes.png -quality 100 x100.avif D:\temp>%IMG71138%magick toes.png -quality 50 x50.avif D:\temp>dir /od x*.avif 09/02/2025 19:19 110,326 x100.avif 09/02/2025...

@LandisTwo: Your libheif v1.12.0 is old. I suggest you update it and re-build IM.

Libheif is linked into IM binaries such as the `magick` program. `magick -list format` tells us the version of libheif. LandisTwo wrote: > AVIF HEIC --- AV1 Image File Format...