U++ framework: U++ Library : Other (not classified elsewhere) » Fastest way to capture control as image

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Re: Fastest way to capture control as image [message #60603 is a reply to message #60600]

Fri, 31 May 2024 18:25

luoganda
Messages: 219
Registered: November 2016

Experienced Member

koldo, this probably works.

For GLCtrl, it seems glReadPixels must be called within GLPaint,
since at that time - gl stuff is probably set up rightly to call that func.
Previously i tried to call it within LeftUp and it of course did not work as expected.
This is probably the reason why control(as you proposed) must be selected - to work.

Anyway, but what about independently capturing whole screen
or specific part of the screen(something like ffmpeg), is this possible without using too much low level gl code in Upp?
Some kind of trick would be creating invisible child of TopWindow, eg childTopWindowCtrl and capturing from that,
altough it would be a workaround.
I don't know if this would work, altough if there is a better way - it would be prefered.

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[Message index]

		Fastest way to capture control as image By: luoganda on Thu, 30 May 2024 15:15
		Re: Fastest way to capture control as image By: koldo on Fri, 31 May 2024 08:21
		Re: Fastest way to capture control as image By: luoganda on Fri, 31 May 2024 18:25
		Re: Fastest way to capture control as image By: koldo on Fri, 31 May 2024 21:02
		Re: Fastest way to capture control as image By: luoganda on Sat, 01 June 2024 17:27

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