Update README.md

Add another hint to install ImageMagic to the common problems / troubleshooting section.
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Stefan Haustein 2024-02-01 22:37:04 +01:00 committed by Aaron Liu
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@ -84,8 +84,9 @@ I am happy to accept useful contributions under the Apache 2.0 license, but...
- This program currently only depends on CImg and ImageMagick as image processing libraries and I'd prefer to keep it that way.
- Support for additional platforms, CPUs or similar will require somebody who is happy to help with maintenance, in particular if I don't have access to it.
## Common problems
## Common problems / Troubleshooting
- Errors such as "unrecognized file format"? Make sure ImageMagic is installed.
- On some linux platforms, an extra flag seems to be required: `make LDLIBS=-lstdc++fs` (but it also breaks MacOs), see <https://github.com/stefanhaustein/TerminalImageViewer/issues/103>
- If you see strange horizontal lines, the characters don't fully fill the character cell. Remove additional line spacing in your terminal app
- Wrong colors? Try -256 to use a 256 color palette instead of 24 bit colors