mirror of https://github.com/nextcloud/server
Add distraction free backgrounds for Nextcloud 26
Signed-off-by: Jan C. Borchardt <hey@jancborchardt.net>
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Jan C. Borchardt
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# Dashboard
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## Background picture credits
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- Default background: [Clouds (Kamil Porembiński, CC BY-SA)](https://www.flickr.com/photos/paszczak000/8715851521/) – original 4k, color modified and sky color changed to Nextcloud blue.
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- Default dark mode background: [Pedra azul milky way (Eduardo Neves, CC BY-SA)](https://commons.wikimedia.org/wiki/File:Pedra_Azul_Milky_Way.jpg) – original 5k.
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- [Butterfly wing scale (Anatoly Mikhaltsov, CC BY-SA)](https://commons.wikimedia.org/wiki/File:%D0%A7%D0%B5%D1%88%D1%83%D0%B9%D0%BA%D0%B8_%D0%BA%D1%80%D1%8B%D0%BB%D0%B0_%D0%B1%D0%B0%D0%B1%D0%BE%D1%87%D0%BA%D0%B8.jpg) – original 5k, cropped to use top right and retouched away a bright spot, now 4k.
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- [Cetonia aurata take off composition (Bernie, Public Domain)](https://commons.wikimedia.org/wiki/File:Cetonia_aurata_take_off_composition_05172009.jpg) – original 8k.
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- [Ribbed red metal (Dejan Krsmanovic, CC BY)](https://www.flickr.com/photos/dejankrsmanovic/42971456774/) – original 5k.
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- [Barents bloom (European Space Agency, CC BY-SA)](https://www.esa.int/ESA_Multimedia/Images/2016/08/Barents_bloom) – original 2k (it’s fine since the motive is blurry anyway), rotated 90° right.
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- [Flippity floppity (Hannes Fritz, CC BY-SA)](http://hannes.photos/flippity-floppity) – original 4k, cropped to top left (2k) so the sharp parts are not part of the photo, looks better.
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- [Roulette (Hannes Fritz, CC BY-SA)](http://hannes.photos/roulette) – original 4k.
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- [Sea spray (Hannes Fritz, CC BY-SA)](http://hannes.photos/sea-spray) – original 6k.
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- [New zealand fern (Bernard Spragg, CC0)](https://commons.wikimedia.org/wiki/File:NZ_Fern.(Blechnum_chambersii)_(11263534936).jpg) – original 2.5k.
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- [Pink tapioca bubbles (Rawpixel, CC BY)](https://www.flickr.com/photos/byrawpixel/27665140298/in/photostream/) – original 6k.
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- [Waxing crescent moon (NASA, Public Domain)](https://www.nasa.gov/image-feature/a-waxing-crescent-moon)
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- [Cityscape (Tommy Chau, CC BY)](https://www.flickr.com/photos/90975693@N05/16910999368) – original 6k.
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- [Lion rock hill (Tommy Chau, CC BY)](https://www.flickr.com/photos/90975693@N05/17136440246) – original 6k.
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- [Yellow bricks (Lali Masriera, CC BY)](https://www.flickr.com/photos/visualpanic/3982464447) – original 4k, color modified for visibility of icons, and slightly cropped on the left so motive is centered.
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## Background picture requirements
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A reference to why it was very difficult to actually find good background pictures – there are quite some requirements when it comes to picking:
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- It needs to be an exceptionally good photo of course – since when chosen, people will see it every day.
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- We need to have a good balance of different motives, e.g. not too many landscape pics.
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- Same for a good balance of different colors.
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- The photo needs to work as a background. Photos with objects focused in the middle don’t really work as they will be overlapped by the widgets anyway.
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- Especially the top part cannot have too much differing contrast, as then it’s not possible to see the navigation icons.
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- We serve the pictures at 4k resolution and most of the selected images are also available in 6k or higher so it is future-proof.
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- For the search of course we had to limit to CC0, CC By and CC By-Sa. Only CC0 would have been practically impossible cause there’s just not so many good ones which fit.
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Background image documentation moved to theming folder at `apps/theming/README.md`.
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# Theming
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## Background picture requirements
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A reference to why it was very difficult to actually find good background pictures – there are quite some requirements when it comes to picking:
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- It needs to be an exceptionally good photo of course – since when chosen, people will see it every day.
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- We need to have a good balance of different motives, e.g. not too many landscape pics.
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- Same for a good balance of different colors.
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- The photo needs to work as a background. Photos with objects focused in the middle don’t really work as they will be overlapped by the widgets and content anyway.
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- Especially the top part cannot have too much differing contrast, as then it’s not possible to see the navigation icons.
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- Especially the top part should be either dark-ish or light-ish, but not a shade exactly inbetween because then contrast can neither be achieved with light nor dark icons.
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- We serve the pictures at 4k resolution and most of the selected images are also available in 6k or higher so it is future-proof.
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- For the search of course we had to limit to CC0, CC By and CC By-Sa. Only CC0 would have been practically impossible cause there’s just not so many good ones which fit.
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- Good pages to find photos are [StockSnap](https://stocksnap.io), [Wikimedia Commons](https://commons.wikimedia.org), [Openverse](https://wordpress.org/openverse/) and [Flickr (with license "commercial use & mods allowed")](https://flickr.com/search/?license=4%2C5%2C9%2C10&text=Nextcloud), sorting by interesting or downloads. Most others like Unsplash, Pexels, Pixabay, etc. meanwhile have a non-standard license.
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## Background picture technicals
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- All backgrounds are sized to maximum 3840px width (4K resolution).
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- To ensure quick loading times, the image needs to be compressed, ideally to around 1 MB or less. E.g. via 90–95% quality in GIMP export. We could also explore using newer formats.
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- Previews are sized to 352px width (min height 192px), which is double of the current picker grid size so it looks nice on high-res displays. Quality is also set to around 90% at export.
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## Background picture credits
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In `img/background/`:
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- Default background: [Clouds (Kamil Porembiński, CC BY-SA)](https://www.flickr.com/photos/paszczak000/8715851521/) – original 4k, color modified and sky color changed to Nextcloud blue.
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- Default dark mode background: [Pedra azul milky way (Eduardo Neves, CC BY-SA)](https://commons.wikimedia.org/wiki/File:Pedra_Azul_Milky_Way.jpg) – original 5k.
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- [Soft floral (Hannah MacLean, CC0)](https://stocksnap.io/photo/soft-floral-XOYWCCW5PA) – original 5.5k.
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- [Morning fog (Ted Moravec, Public Domain)](https://flickr.com/photos/tmoravec/52392410261) – original 3k.
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- [Underwater ocean (Stefanus Martanto Setyo Husodo, CC0)](https://stocksnap.io/photo/underwater-ocean-TJA9LBH4WS) – original 5k.
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- [Rhythm and blues (Zoltán Vörös, CC BY)](https://flickr.com/photos/v923z/51634409289/) – original 2k (it’s fine since the motive is blurry anyway).
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- [Butterfly wing scale (Anatoly Mikhaltsov, CC BY-SA)](https://commons.wikimedia.org/wiki/File:%D0%A7%D0%B5%D1%88%D1%83%D0%B9%D0%BA%D0%B8_%D0%BA%D1%80%D1%8B%D0%BB%D0%B0_%D0%B1%D0%B0%D0%B1%D0%BE%D1%87%D0%BA%D0%B8.jpg) – original 5k, cropped to use top right and retouched away a bright spot, now 4k.
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- [Cetonia aurata take off composition (Bernie, Public Domain)](https://commons.wikimedia.org/wiki/File:Cetonia_aurata_take_off_composition_05172009.jpg) – original 8k.
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- [Ribbed red metal (Dejan Krsmanovic, CC BY)](https://www.flickr.com/photos/dejankrsmanovic/42971456774/) – original 5k.
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- [Barents bloom (European Space Agency, CC BY-SA)](https://www.esa.int/ESA_Multimedia/Images/2016/08/Barents_bloom) – original 2k (it’s fine since the motive is blurry anyway), rotated 90° right.
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- [Flippity floppity (Hannes Fritz, CC BY-SA)](http://hannes.photos/flippity-floppity) – original 4k, cropped to top left (2k) so the sharp parts are not part of the photo, looks better.
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- [Roulette (Hannes Fritz, CC BY-SA)](http://hannes.photos/roulette) – original 4k.
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- [Sea spray (Hannes Fritz, CC BY-SA)](http://hannes.photos/sea-spray) – original 6k.
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- [New zealand fern (Bernard Spragg, CC0)](https://commons.wikimedia.org/wiki/File:NZ_Fern.(Blechnum_chambersii)_(11263534936).jpg) – original 2.5k.
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- [Pink tapioca bubbles (Rawpixel, CC BY)](https://www.flickr.com/photos/byrawpixel/27665140298/in/photostream/) – original 6k.
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- [Waxing crescent moon (NASA, Public Domain)](https://www.nasa.gov/image-feature/a-waxing-crescent-moon)
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- [Cityscape (Tommy Chau, CC BY)](https://www.flickr.com/photos/90975693@N05/16910999368) – original 6k.
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- [Lion rock hill (Tommy Chau, CC BY)](https://www.flickr.com/photos/90975693@N05/17136440246) – original 6k.
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- [Yellow bricks (Lali Masriera, CC BY)](https://www.flickr.com/photos/visualpanic/3982464447) – original 4k, color modified for visibility of icons, and slightly cropped on the left so motive is centered.
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@ -55,6 +55,28 @@ class BackgroundService {
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public const DEFAULT_BACKGROUND_IMAGE = 'kamil-porembinski-clouds.jpg';
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public const SHIPPED_BACKGROUNDS = [
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'hannah-maclean-soft-floral.jpg' => [
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'attribution' => 'Soft floral (Hannah MacLean, CC0)',
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'attribution_url' => 'https://stocksnap.io/photo/soft-floral-XOYWCCW5PA',
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'theming' => self::THEMING_MODE_DARK,
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'primary_color' => '#9f652f',
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],
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'ted-moravec-morning-fog.jpg' => [
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'attribution' => 'Morning fog (Ted Moravec, Public Domain)',
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'attribution_url' => 'https://flickr.com/photos/tmoravec/52392410261',
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'theming' => self::THEMING_MODE_DARK,
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'primary_color' => '#114c3b',
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],
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'stefanus-martanto-setyo-husodo-underwater-ocean.jpg' => [
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'attribution' => 'Underwater ocean (Stefanus Martanto Setyo Husodo, CC0)',
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'attribution_url' => 'https://stocksnap.io/photo/underwater-ocean-TJA9LBH4WS',
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'primary_color' => '#04577e',
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],
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'zoltan-voros-rhythm-and-blues.jpg' => [
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'attribution' => 'Rhythm and blues (Zoltán Vörös, CC BY)',
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'attribution_url' => 'https://flickr.com/photos/v923z/51634409289/',
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'primary_color' => '#1c243c',
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],
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'anatoly-mikhaltsov-butterfly-wing-scale.jpg' => [
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'attribution' => 'Butterfly wing scale (Anatoly Mikhaltsov, CC BY-SA)',
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'attribution_url' => 'https://commons.wikimedia.org/wiki/File:%D0%A7%D0%B5%D1%88%D1%83%D0%B9%D0%BA%D0%B8_%D0%BA%D1%80%D1%8B%D0%BB%D0%B0_%D0%B1%D0%B0%D0%B1%D0%BE%D1%87%D0%BA%D0%B8.jpg',
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