ImageMagick: use "magick" instead of "convert"

[forthrin]

Describe the Bug

WARNING: The convert command is deprecated in IMv7, use "magick" instead of "convert" or "magick convert"

To Reproduce

$ tiv image.heic 

Expected Behavio(u)r

No warning

Screenshots

No response

Version/Commit Hash

Terminal Image Viewer v1.2.1

OS Specifics

System Version: macOS 26.1 (25B78) Model Identifier: MacBookAir10,1

[aaronliu0130]

I'm fairly sure this is an issue with https://github.com/GreycLab/CImg, the library we depend on.

[forthrin]

Then the appropriate thing to do would be to upstream the issue there.

[stefanhaustein]

Does the message always appear -- does heic work at all?

I am wondering why imagemagick would print this warning, as we are using it as a library... Perhaps their command detection is off in a weird way?

[forthrin]

https://imagemagick.org/script/porting.php

IMPORTANT: The "magick" command is the new primary command of the Shell API, replacing the old "convert" command. To reduce the footprint of the command-line utilities, these utilities are symbolic links to the magick utility. Do not use magick convert. That is simply magick.

[aaronliu0130]

I was going to confirm with a minimal CImg example and then file an issue upstream, but I forgot. Sorry about that. That should probably be our next step.

On Fri, Dec 12, 2025 at 12:55 AM forthrin @.***> wrote:

forthrin left a comment (stefanhaustein/TerminalImageViewer#147) https://github.com/stefanhaustein/TerminalImageViewer/issues/147#issuecomment-3645030484

Then the appropriate thing to do would be to upstream the issue there.

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