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Hi there,
I am hoping for a good idea to manage screen size on Android. The physical resolution and density can be pretty much anything (for example, the Galaxy Note 10 Plus has 6.8-inch at 3040x1440 pixel), but apps are often written for a fixed scale and can request a different pixel buffer resolution that is then scaled up by hardware at screen refresh time.
Also, there should be an API to limit apps to landscape or portrait mode.
I was thinking about something like: Fl::hint(FL_MOBILE_DEVICES, FL_SCREEN_LANDSCAPE_ONLY); Fl::hint(FL_MOBILE_DEVICES, FL_SCREEN_LANDSCAPE_WIDTH, 1024); Device: MOBILE, DESKTOP, ... Screen: LANDSCAPE_ONLY, PORTRAIT_ONLY, LANDSCAPE_WIDTH/HEIGHT, PORTRAIT_WIDTH/HEIGHT, ...
This API avoids #ifdef __ANDROID__ and can be extended later without braking the ABI. Unsupported hints are simply ignored.
Using Fl::screen_scale() is similar in that it would allow super high resolution rendering on Android, but it would use up a lot more resources (time and energy), and may slow down rendering considerably.
What do you think?
- Matthias
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