I'd be happy to use an img element but I'm not sure how to get the image data into that img element.
On Monday, September 26, 2016 at 7:18:33 PM UTC-4, Nick H wrote: > > If all you are doing is loading an image from a URL, why don't you use an > img <http://package.elm-lang.org/packages/elm-lang/html/1.1.0/Html#img> > element? Canvas sounds like overkill. > > On Sun, Sep 25, 2016 at 7:16 PM, Redvers Davies <[email protected] > <javascript:>> wrote: > >> >> I'm still too early in elm to know the correct question to ask so in the >> interests of avoiding the XY problem I'm just going to describe my end-goal >> and ask for the best approach to achieve it. >> >> I have (what I think is) an interesting use-case where I want to model on >> a webpage a physical device. The device itself is effectively a graphical >> dumb-terminal which just renders to its small screen the image that it's >> been sent over the network. >> >> What I'm hoping to get elm to do is to have, I guess, an image (or >> canvas) in my view which, on receiving image data via a websocket would >> then cause the view to then render that specific image in the same location >> (ie, DOM object). >> >> I've looked at Canvas and it appears I can do it if I pass a URL via >> websocket but that would initiate a separate query for the img data (via >> Graphics.Element image). As the hardware is capable of 30fps I don't >> really want to trigger 30 requests per second in addition to the websocket >> per simulation. Maybe it's possible to use Data URIs but I've not really >> been successful with that either. >> >> I know it's not the most efficient way of 'making a UI', but it's purpose >> isn't performance - it's purpose is to model the functionality of the >> hardware interface as closely as possible, >> >> Any pointers in the right direction appreciated. >> >> Thanks, >> >> >> >> Red >> >> -- >> You received this message because you are subscribed to the Google Groups >> "Elm Discuss" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected] <javascript:>. >> For more options, visit https://groups.google.com/d/optout. >> > > -- You received this message because you are subscribed to the Google Groups "Elm Discuss" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
