I have designed a UI for a device we are developing. Having selected a specific LCD with an active area of 49mm x 74mm (approx.) and a display resolution of 320 x 480 I set up a frame in Figma at 480 x 320 (LCD is portrait and we are using it in landscape mode). We are investigating using a native landscape display which has a screen resolution of 320 x 240 and an active area of 71mm x 53mm however when I adjust my 480 x 320 screens down to 320 x 240 the active area decreases.
Is there a way to define the display resolution without altering the active area size? I set the original 480 x 320 screen up as a 32px x 12 column grid when changing to 320 x 240 I get a 32px x 8 column grid:
Basically I want to set the active area size in mm and set the resolution:
Active Area = 71mm x 53mm - resolution 320 x 240. I have north of 150 screens (frames) invested in the design and prototyped and don't really want to re do the whole thing.
Any help is much appreciated!