Difrent colours displayed with bitmap and with a font

This will tell you about MIP or AMOLED, where the number of colors vary on different MIP devices.

https://developer.garmin.com/connect-iq/compatible-devices/

But why is the bitmap and the fond colour difrent then? It would be as bad if both were off but only one (the font colour) is off. Any suggestions?

can you upload 2 pictures? 1 screenshot (made by the shortcut buttons in the watch) and 1 you take with your camera/phone to show us what you see?

54a9539691d446be9c9d832cdd47c5ab said:

This leads me to believe the issue is specific to the Fenix 6 Pro hardware or its rendering, rather than my code.

Do you see the same thing in the simulator?

If so, I would say it's intentional, rather than a bug.

54a9539691d446be9c9d832cdd47c5ab said:

Can you help me understand why this discrepancy occurs?

Connect IQ bitmaps are dithered by default (perhaps only for low colour devices?). It could be that the dithering process is mapping bitmap colours differently than your font colours are being mapped. Try turning off dithering for your bitmap and see if the bitmap colour matches the font colour.

https://developer.garmin.com/connect-iq/connect-iq-faq/how-do-i-optimize-bitmaps/

Dithering

Connect IQ by default uses Floyd-Steinberg dithering when importing images. The dithering algorithm helps correct for the error when mapping a high color image to a low color space representation. This is preferable when importing a photograph, but when importing a graphic it can introduce random pixels that are not wanted. To directly map colors, set the dithering attribute to “none”.

<bitmap id="Logo" x="center" y="12" filename="Logo.png" dithering="none">

FlowState said:

Try turning off dithering

Or try to use one of the actual colors the device has. That way you'll have a better chance of ending up being the same color :) 

flocsy🤠 said:

Or try to use one of the actual colors the device has. That way you'll have a better chance of ending up being the same color :) 

Yeah that's an obvious solution, but I was trying to provide a possible explanation for the discrepancy, as OP requested. I am also personally curious as to whether dithering is the actual source of the discrepancy.

Also, I could be wrong. but I think the subtext of the OP is that they want to use the same code and resources for all watches, rather than tuning their bitmaps and font colours for different groups of watches. At the very least, it seems that it would be a non-trivial amount of additional work to make the change that you suggested.

I also use more-or-less the same colors. Just do it the other way around :) 

I mean ok, black and white were not enough, so I had to have something different for the monochrome devices and the rest. In most of my apps the 8 colors of the few devices that use that display are enough (I was actually surprised that one of my apps has a 21% share of fr55) Only in a few I had to have more than those 8 colors, in which case the 8 color devices have a less pleasant look.

flocsy🤠 said:

I also use more-or-less the same colors. Just do it the other way around :) 

Yeah, I get it, but a long-standing complaint about Garmin MIP watches is that the colours are dull, washed out, and don't match the marketing pics. Pretty sure there's a bunch of threads in these forums with those exact complaints.

Sure, there are plenty of nice looking MIP watchfaces. ftrimboli in particular has done some pretty cool things to stretch the abilities of MIP.

But there's also MIP watchfaces which look pretty dull and uninspired, tbh.

Finally Garmin has AMOLED devices, so I'm not surprised that devs and users want apps which take advantage of all the vibrant colours.

Sure users want to utilize their AMOLED screen, but even when I use the "same" 8 colors on all devices they look better on AMOLED, so that in itself doesn't mean that the more colors you use on an AMOLED device the better the user experience. At least not for the things I do. I don't display user downloadable background images or things like that, like some of the watchfaces do.