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Adjust canvas size for retina displays

plasmic

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Dienstag, 26. Juli 2016, 21:19

Adjust canvas size for retina displays

Hey all,

Is it possible to adjust the size of the canvas for retina displays. I've found the `stagescale` in the documentation but this does not affect the size of the actual canvas. I use it like this in the .xml:

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   <action name="desktopscale" autorun="preinit" devices="all">	mul(stagescale, 2);</action>




The reason for asking is the high CPU usage when viewing the site on a Macbook Pro Retina. I'm using the KRPano Player to play a 360 video.

All help is appreciated,

Cheers,

Plasmic

klaus.krpano

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Mittwoch, 27. Juli 2016, 14:21

Hi,

yes - via the display.framebufferscalesetting:
http://krpano.com/docu/xml/#display.framebufferscale

But I wouldn't recommend setting it automatically for all devices, so maybe add it only for Macs with retina screens - e.g.:

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<display framebufferscale="0.5" if="device.mac AND device.pixelratio GT 1.0" />

Maybe additionally also add 'AND device.safari' if only the Safari browser is the one with the performance problems and the others are fine.

Best regards,
Klaus

plasmic

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Mittwoch, 27. Juli 2016, 21:36

Hey Klaus,

Thanks again for the help, this was exactly what i was looking for!

Cheers,

Plasmic

indexofrefraction

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Sonntag, 13. November 2016, 18:30

hm, would that be a more general solution?

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	<action name="content_start" autorun="preinit">
		set(display.framebufferscale, calc(1/device.pixelratio) );
	</action>


i found this thread, bc we used a retina mac book pro,
which was stuttering on multires images while my mac pro displays everyhing fluidly

ps. device.pixelratio is not mentioned in the documentation, is it?
zFilter plugin -- zFlare plugin -- zSnapshot plugin

Dieser Beitrag wurde bereits 1 mal editiert, zuletzt von »indexofrefraction« (14. November 2016, 09:53)

klaus.krpano

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Montag, 14. November 2016, 16:06

Zitat von »indexofrefraction«

i found this thread, bc we used a retina mac book pro,
which was stuttering on multires images while my mac pro displays everyhing fluidly
I would change generally reduce the framebufferscale setting just because of one (or a few) lower-end systems/browsers...
May add a least a Mac and safari check - e.g. if(device.mac AND device.safari, ...);
See also the post above.

Zitat von »indexofrefraction«

ps. device.pixelratio is not mentioned in the documentation, is it?
It is - here:
http://krpano.com/docu/actions/#device.pixelratio

Best regards,
Klaus

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