Dynamic Background Images/Screensaver?

vegastech

Is it possible to load a series of photos (scaled down for the touchpanel in question) and then have the background image change dynamically without re-uploading new photos? Kind of like a slideshow/screensaver, but for the background of a touchpanel, regardless of what page the user is on?

vegastech

BTW, I did see PictureFrame, but I'm specifically interested in background images.

PhreaK

It sounds like dynamic images may be what you are after. They will allow you to load images to a button from an ftp or http server. If you check the TPD4 help file theres a bit of info about them. The scaling will have to take place externally though.

You could quickly put together a simple php script that pulled image from a *insert favorite photo service with nice API here* feed, or folder scaled them to the desired res and presented them.

If you want to get sexy you could use two buttons to switch between images:
load dynamic image onto button 1
show button one
load dynamic image 2 onto button two whilst it has an opacity of 0
fade up opacity of button 2
fade out button one
load dynamic image onto button 1
etc

DHawthorne

There are G4 commands to change a dynamic image in code (^RMF and it's companions)... it's used for cover art a lot on music servers. It is a tad slow, but that really shouldn't be an issue for what you are doing. Essentially, you name your dynamic images in the panel, and use ^RMF to change what it points to.

bcirrisi

I used dynamic images to do this on the touchpanels, but I starting to run into snags and failure with every firmware change. Now I just use the standard button and change the image in it using the '^BMF-100,0,%Pimage.png' command and it works great. Add a time line to it, and you got a great slide show.

felixmoldovan

OT:

wrote:

dyslextic...

:-)
Back: Anybody can strongly advise against using a Multistate Bargraph and just switching the level value for different pictures? As opposed to setting the graphic by ^BMF?
I specifically refer to cache handling and memory management issues.