Displaying images on the brain

[DarthTacoPupper]

Can you use images, bitmaps, et cetera on an sd card to display images while running a program?

[holbrook]

Yes, the relevant function is brain::lcd::drawImageFromFile.

See the API docs here.

[DarthTacoPupper]

Is there any possible way to make it work without an sd card? Maybe even develop its own ui where you can press next to display the next image too?

[enothecool]

Can you upload picture/gif to brain without sd card?

You need to turn the image (png or bmp) into a C struct and then display that using the drawImageFromBuffer function. We do not directly provide any tools to do this, but it is fairly easy using tools available online, this is one way, there may be others available as well. Images must be less than 480x240 pixels in size or they will not display. In general this method should only be used for smaller images as it will make the program much larger. Go to the LVGL image converter page. https:…

I don’t know anything about printing images to the screen, but this should work

[jpearman]

yea, you can embed images in the program, just keep them to a reasonable size.
Here’s another old demo using an embedded image.

Stopwatch demo (VEXcode)

Now that VEXcode is released and has the latest SDK I can finally release the stopwatch demo I wrote over a year ago. Enjoy. [stopwatch]

[Drew2158U]

if you want to develop a UI, you may want to consider LittleVGL, which comes preinstalled with PROS.

[jpearman]

And is available for VEXcode here.

Porting LVGL to VEXcode Text

Hey, @theol0403, Thanks for the quick reply. I checked the PROS wiki , which basically said to untick a box to use LVGL. Then I realized you weren’t talking about the wiki, and my next question is, should I be checking the PROS program source or some LVGL example code made with PROS? Thanks

[Drew2158U]

I didn’t see that. Cool. LVGL certainly takes some getting used to, but once you are used to it its the greatest thing ever.