Re: FVWM: Get the current content of root window

2021-02-18 Thread Dominik Vogt
On Thu, Feb 18, 2021 at 09:31:06PM +0100, Klaus Ethgen wrote: > Am Do den 18. Feb 2021 um 18:57 schrieb Dominik Vogt: > > They tell the X server to do it, mostly by doing alpha blending, I > > think. X offers no reliable way to get any screen contents other > > than what you can see. Doing that

Re: FVWM: Get the current content of root window

2021-02-18 Thread Klaus Ethgen
Am Do den 18. Feb 2021 um 18:57 schrieb Dominik Vogt: > They tell the X server to do it, mostly by doing alpha blending, I > think. X offers no reliable way to get any screen contents other > than what you can see. Doing that on the client is also really > too slow. Do you know, how? From my

Re: FVWM: Get the current content of root window

2021-02-18 Thread Dominik Vogt
On Thu, Feb 18, 2021 at 02:00:44PM +0100, Klaus Ethgen wrote: > Hi Dominik, > > Am Do den 18. Feb 2021 um 12:36 schrieb Dominik Vogt: > > On Wed, Feb 17, 2021 at 06:48:45PM +0100, Klaus Ethgen wrote: > > > seting the background (root window) to some image is easy. But is there > > > any way to get

Re: FVWM: Get the current content of root window

2021-02-18 Thread Klaus Ethgen
Hi Dominik, Am Do den 18. Feb 2021 um 12:36 schrieb Dominik Vogt: > On Wed, Feb 17, 2021 at 06:48:45PM +0100, Klaus Ethgen wrote: > > seting the background (root window) to some image is easy. But is there > > any way to get the image content on fvwm root window back to an image? > > As far as I

Re: FVWM: Get the current content of root window

2021-02-18 Thread Dominik Vogt
On Wed, Feb 17, 2021 at 06:48:45PM +0100, Klaus Ethgen wrote: > seting the background (root window) to some image is easy. But is there > any way to get the image content on fvwm root window back to an image? As far as I know the X protocol offers no way to retrieve the background pixmap of any

Re: FVWM: Get the current content of root window

2021-02-18 Thread Klaus Ethgen
Hi Rainer, Am Do den 18. Feb 2021 um 11:57 schrieb Dr Rainer Woitok: > On Thursday, 2021-02-18 10:44:03 +0100, you wrote: > > > ... > > Both just get the current visible desktop; with all windows ans other > > stuff that is ontop of the root window. > > That's something you can do with "xwd": >

Re: FVWM: Get the current content of root window

2021-02-18 Thread Dr Rainer Woitok
Klaus, On Thursday, 2021-02-18 10:44:03 +0100, you wrote: > ... > Both just get the current visible desktop; with all windows ans other > stuff that is ontop of the root window. That's something you can do with "xwd": $ xwd -root | convert xwd:- file.png > I want to get the content of the

Re: FVWM: Get the current content of root window

2021-02-18 Thread Klaus Ethgen
Hi Rainer, Am Do den 18. Feb 2021 um 10:35 schrieb Dr Rainer Woitok: > > seting the background (root window) to some image is easy. But is there > > any way to get the image content on fvwm root window back to an image? > > A screenshot? Something like "xwd"? Or am I misunderstanding what you

Re: FVWM: Get the current content of root window

2021-02-18 Thread Dr Rainer Woitok
Klaus, On Wednesday, 2021-02-17 18:48:45 +0100, you wrote: > ... > seting the background (root window) to some image is easy. But is there > any way to get the image content on fvwm root window back to an image? A screenshot? Something like "xwd"? Or am I misunderstanding what you want to