Edit virtual screen resolution list / create virtual screen with an exact list of resolutions (+ multiple aspect ratios)

[waydabber]

It would be great to have the option to edit the resolution list of a dummy or create a dummy with an exact list of resolutions.

[waydabber]

Until this is implemented in the app, here is a simple command line based tool to create a dummy with a specific list of resolutions.

https://github.com/waydabber/createdummy/releases/download/v1.1.0/createdummy-v1.1.0.zip

The tool is free to use for personal use (if used for business, I kindly ask you to please purchase a BetterDisplay license to support development).

The tool runs on macOS Mojave and newer, Intel and Apple Silicon.

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Use createdummy help to list instructions.

Example uses

createdummy
Creates a dummy with default settings and a wide range of resolutions (both LoDPI and HiDPI)

createdummy width=21 height=9 hidpi=no
Creates a 21:9 dummy with no HiDPI resolution counterparts (with halved logical pixel sizes) enabled.

createdummy serial=7777 name=MyDummy
Creates a 16:9 dummy with a serial number of 7777 and display name MyDummy.

createdummy min=720 max=2560
Creates a 16:9 dummy with minimum (vertical) framebuffer resolution mode of 720 and maximum (horizontal) of 2560.

createdummy width=4 height=3 step=100
Creates a 4:3 dummy with framebuffer resolution steps of 100x (800:600, 1200:900, 1600:1200...).

createdummy res=2560x1440 res=1600x1200 res=1280x1024 res=1280x960 res=1024x768
Creates a variable aspect ratio dummy with some specific resolution modes.

All paramteres can be used together, except res and width/height/step as they are mutually exclusive.

[waydabber]