Re: Take a screenshot from within Emacs

[psachin <iclcoolster@gmail.com>]

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https://github.com/psachin/.emacs.d/blob/config.org/custom_functions.org

See subsection: 'Screenshot frame'

On Fri, Jul 8, 2016 at 1:59 PM, <joakim@verona.se> wrote:

> Eli Zaretskii <eliz@gnu.org> writes:
>
> >> From: joakim@verona.se
> >> Date: Thu, 07 Jul 2016 21:57:41 +0200
> >> Cc: Emacs developers <emacs-devel@gnu.org>
> >>
> >> I don't think Emacs has the capability to access its internal rendering
> >> data out of the box.
> >
> > Actually, it does, sort of.  Take a look at the dump-glyph-matrix
> > function and the subroutines it calls.  There are also
> > dump-frame-glyph-matrix (for TTY frames) and dump-tool-bar-row.  They
> > describe the data structures Emacs uses to draw its windows and
> > frames.  We could use them to provide some initial testing capability
> > for the display engine.  The disadvantages of using these functions
> > are that (a) they currently need Emacs build with GLYPH_DEBUG defined,
> > and (b) they don't test the terminal-specific parts of the display
> > engine (in xterm.c, w32term.c, nsterm.m, etc.) that actually write to
> > the glass.
>
> Yes you are right of course. I even used those routines while working
> on the xwidget branch, but forgot.
>
> --
> Joakim Verona
>
>


-- 
Sachin
psachin.github.io

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