Optimise icon usage

In the sidenav and the print header we are able to show icons which are sized in 250x80 (for print header height 70).

changed milestone to %2.0a2

added 1 deleted label

changed title from Second icon size for school to Second icon for school

Maybe better option: Add logo upload which isn't cropped and resized only in a single dimension (height).

Opinions, @nik?

added part::frontend workflow::discussing labels

assigned to @hansegucker

Following idea: I would use the logo provided through School model only for (official) print views. All other front-end based icons/logos I would set for the whole system from Constance.

Addition: School logo as JPG/PNG and logos for PWA/frontend as SVG

Now that we don't have multi-tenancy anymore, and if we implement it again will do so using pgsql schemas, on second thought there is no reason for the School object anymore. We should jsut find a way to select the current term from constance and ditch the School model IMHO.

For uploads, we should accept any image format, and if it is not PNG, convert it to PNG automatically. Then, when rendering images, we should use the SVG wherever possible and fallback to the PNG if it is not available. SOme uploads might even be convertable to SVG, e.g. other vector formats.

Not for everything. It is intended for features that require simple editing of uplaoded photos, like photos of persons, where a teacher takes a snapshot and optimises it when uploading.

changed title from Second icon for school to Optimize icon usage

changed the description

changed title from Optimize icon usage to Optimise icon usage

changed the description

unassigned @hansegucker

The option to upload two different icons is needed for (production) use at the Katharineum.

changed milestone to %2.0a2

assigned to @ZugBahnHof

What about https://github.com/ZugBahnHof/django-favicon-plus for the favicons?

You can maybe use get_favicon() for generating different icon sizes for PWA app icon.

Try it.

created branch 184-optimise-icon-usage to address this issue

mentioned in merge request !244 (merged)