Re: empty screenshot
Re: empty screenshot
- Subject: Re: empty screenshot
- From: "Tom Scogland" <email@hidden>
- Date: Tue, 10 Jun 2008 19:27:45 -0500
Haha, well, thanks for letting me know. Interesting thought btw using
CoreGraphics to render graphics to be displayed in an X window... I
might have to try that some time just to see what happens. =)
-Tom
On Tue, Jun 10, 2008 at 7:22 PM, Jeremy Huddleston <email@hidden> wrote:
> It's a bit of both, really. There are some X11 drawing primitives which we
> should be using CoreGraphics for (read: we were using them and now we're
> actually using some software fallbacks for now. We'll be going back to
> using CoreGraphics for these drawing routines using an EXA driver in the
> future)... but the individual applications can do whatever they want to do
> to come up with a buffer and dump it to an X window, they can use OpenGL,
> they can use X11 drawing primitives... heck, you could use CoreGraphics in
> the client then dump the data to the X server.
>
> This starts to make sense when you consider that X11 applications are
> clients that can run on another system for all you care. Thus the answer to
> your question is really "maybe".
>
> --Jeremy
>
> On Jun 10, 2008, at 13:38, Tom Scogland wrote:
>
>> This seems like a good opportunity to ask a question I've wondered
>> about once or twice. Does XQuartz use apple libraries to render the
>> content of windows, or simply request a raw window and draw on it
>> outside those tools, or some combination? If it's the latter, this
>> would all make sense. The 'capture image of window' item which is
>> being used must operate at a lower level than the other associated
>> tools, since it can capture the entire window regardless of wether
>> it's all on screen or layered under others without having to raise or
>> clear the window, something one can't do with the fully rendered image
>> sent to a screen.
>>
>> I remember wondering about this when I first tried that feature but
>> never took the time to look into it further, could be interesting to
>> find the answer, especially to why some work and some don't. Seems
>> like any part of an xterm which has text in it currently is saved
>> correctly, but other parts are not, then every single graphical
>> program I have fails EXCEPT, the small ones that come with X11 (xeyes,
>> xlogo, etc). Very strange.
>>
>> In the mean time, selection works just as well, if taking very
>> slightly more time.
>>
>> -Tom
>>
>> On Tue, Jun 10, 2008 at 3:12 PM, Martin Costabel <email@hidden>
>> wrote:
>>>
>>> Jeremy Huddleston wrote:
>>>>
>>>> Ok, thanks for the clarification. So it looks like it's working as
>>>> expected for my terminal (urxvt) ... so there must be something special
>>>> about gnuplot... hrm =/
>>>
>>> As I said before, it is not only gnuplot. A tektronix window started from
>>> an
>>> xterm menu has the same problem.
>>>
>>> - A scilab command window has the same problem. This is a matlab-like
>>> scientific app using gtk widgets.
>>> - A gv window has the same problem. This is a ps/pdf viewer. The snapshot
>>> shows only the menu bars of the window, not the displayed pdf.
>>> - An xv window has the same problem. This is an image viewer.
>>> - A picture displayed by the "display" command from ImageMagick has the
>>> same
>>> problem.
>>>
>>> These are just the first couple of X11 apps I tried out here. From this
>>> sample, I am pretty sure that there are lots of other X11 apps that have
>>> the
>>> same problem.
>>>
>>> --
>>> Martin
>>>
>>>
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>>
>>
>>
>> --
>> -N
>> AKA:Tom Scogland
>> I am enough of an artist to draw freely upon my imagination.
>> Imagination is more important than knowledge. Knowledge is limited.
>> Imagination encircles the world.
>> -Albert Einstein
>
>
--
-N
AKA:Tom Scogland
I am enough of an artist to draw freely upon my imagination.
Imagination is more important than knowledge. Knowledge is limited.
Imagination encircles the world.
-Albert Einstein
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