APP 2.0.0-beta 1: H...
 
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May 27 2026 APP 2.0.0-beta45 has been released !

Fully Multi-Threaded LNC, many improvements for the registration engine, platform upgrade, and further tuning of internal memory consumption and memory release back to OS.

Apr 14 2026: Google Pay, Apple Pay & WeChat Pay added as payment options

Update on the 2.0.0 release & the full manual

We are getting close to the 2.0.0 stable release and the full manual. The manual will soon become available on the website and also in PDF format. Both versions will be identical and once released, will start to follow the APP release cycle and thus will stay up-to-date to the latest APP version.

Once 2.0.0 is released, the price for APP will increase. Owner's license holders will not need to pay an upgrade fee to use 2.0.0, neither do Renter's license holders.

 

[Solved] APP 2.0.0-beta 1: HiDPI version

7 Posts
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(@lenart)
White Dwarf
Joined: 5 years ago
Posts: 11
Topic starter  

Hi,

 

A suggestion: shipping an extra HiDPI version of the linux release is unneccasary. Instead the normal version could be shipped with a second desktop file in /usr/share/applications/, essentially the same as astropixelprocessor.desktop now, but with a few lines changed like this:

Name=Astro Pixel ProcessorName (HiDPI)
GenericName=Astro Pixel Processor (HiDPI)
Exec=env GDK_SCALE=2 /opt/astropixelprocessor/astropixelprocessor %U

The GDK_SCALE environment variable is read by AWT/Swing and has the same effect as

-Dsun.java2d.uiScale=2.0


   
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(@wvreeven)
Quasar
Joined: 8 years ago
Posts: 2134
 

@lenart Hi Janos,

Thanks for the useful tip. I passed it on to Mabula.

 

Wouter



   
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(@mabula-admin)
Universe Admin
Joined: 9 years ago
Posts: 5281
 

Hi Janos @lenart,

Okay, that is also very helpfull indeed ! So that solution should have 100% the same effect on all linux distributions then? That is awesome and saves us a bit of work in deploying new versions 😊 

Mabula

 



   
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(@lenart)
White Dwarf
Joined: 5 years ago
Posts: 11
Topic starter  

@mabula-admin, as far as I know it has the same effect, at least on anything running Gnome. Unfortunately I do not have ready access to other desktops running distros other than Debian, so I can't be sure of that.

Perhaps a safer way is to modify that launcher script a little (line 20):

$JAVA $JVMDefaultOptions $JVMExtraOptions -cp $JVMClassPath com.ariesproductions.astropixelprocessor.AstroPixelProcessor $@

and add a HiDPI desktop file that sets that variable:

Exec=env JVMExtraOptions=-Dsun.java2d.uiScale=2.0 /opt/astropixelprocessor/astropixelprocessor %U


   
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(@mabula-admin)
Universe Admin
Joined: 9 years ago
Posts: 5281
 

Thanks a lot Janos, @lenart !

I will definitely try to have this nicely implemented for the 2.0.0-beta2 release 😉

Mabula



   
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(@mabula-admin)
Universe Admin
Joined: 9 years ago
Posts: 5281
 

Hi Janos @lenart,

Excellent, thank you very much for this suggestion.

I have implemented it like you indicated. The installers for both DEB and RPM have 2 desktop files now, 1 for HiDPI support with scale=2.0, the other with default scale=1.0. And the startup script uses the extra JVM option.

It works nicely for both RPM and DEB distributions giving the user the choice how to run APP with only 1 installer which is really nice 🙂

Linux HiDPI support version
Linux HiDPI support application header

Thanks a lot!

Mabula

 



   
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(@lenart)
White Dwarf
Joined: 5 years ago
Posts: 11
Topic starter  

😲 That was quick, thank you 🙂



   
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