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Author Topic: strange issue with fullscreen mode  (Read 1114 times)

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mkalex777

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strange issue with fullscreen mode
« on: October 24, 2015, 01:26:57 am »
I found a strange issue which happens in fullscreen mode only.
When I'm trying to get a screenshot with Print Screen key in fullscreen mode, I get an image which were actually shown some time ago, but not at the moment of taking screenshot.
With windowed mode all works as expected.
I reproduced it on Windows 7 x64.
Why it happens?
« Last Edit: October 24, 2015, 03:30:58 am by mkalex777 »

Brax

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Re: strange issue with fullscreen mode
« Reply #1 on: October 24, 2015, 02:04:36 am »
By pressing the Print Screen key, you request to send the data to the clipboard, but SFML does not have clipboard support, at least not yet. Hence it will only send the data to the clipboard that was at the start of program, or more precise, when window was opened.
(Or at least I think it works that way ;D, a more experienced SFML user would answer that better than me. )

It is still possible to capture the screenshot from the window by using window.capture() function and then saving it to a file.

Also while we are at it, the SFML does not recognize the Print Screen key either, so if that bothers you, you should check this topic too. :)

« Last Edit: October 24, 2015, 12:14:09 pm by Brax »

mkalex777

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Re: strange issue with fullscreen mode
« Reply #2 on: October 24, 2015, 03:32:30 am »
Yes, it works as you described. In fullscreen mode it takes screenshot of the first frame rendered at the moment of call SetVisible(true) for fullscreen window
« Last Edit: October 24, 2015, 03:35:34 am by mkalex777 »

 

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