The glqextent (without -w) command can also give the height of the text.

On Sat, Nov 20, 2021 at 11:23 AM Raul Miller <[email protected]> wrote:

> Determining positioning of text (and non-text) content in an isidraw
> (or isigraph).
>
> See http://jsoftware.com/pipermail/programming/2021-November/059300.html
> for example.
>
> Conceptually, it could also be useful in building a bitmap
> representation of a font extracted from an isidraw to use in other
> imaging contexts (viewmat, opengl, etc.).
>
> Thanks,
>
> --
> Raul
>
> On Fri, Nov 19, 2021 at 9:48 PM bill lam <[email protected]> wrote:
> >
> > Just curious, how glqtextmetrics can be useful to you?
> >
> > On Sat, 20 Nov 2021 at 10:04 AM Raul Miller <[email protected]>
> wrote:
> >
> > > Actually, thinking about this, there's a way of abusing the parser to
> > > express tacit definitions in a multiline format that's fairly
> > > readable. For this example:
> > >
> > > glqtextmetrics=: _{{
> > >   m=. '"',libjqt,'" glqtextmetrics ',(IFWIN#'+'),' i *i'
> > >   u=. m&cd@(<7#00)
> > >   (1&{:: [ chkgl2)@u"1
> > > }}
> > >
> > > This is kind of a one-off approach, though, and when putting together
> > > a library like gl2 it might be better to encapsulate some of this for
> > > reuse.
> > >
> > > Thanks again,
> > >
> > > --
> > > Raul
> > >
> > > On Fri, Nov 19, 2021 at 8:57 PM Raul Miller <[email protected]>
> wrote:
> > > >
> > > > Sure, and it's tempting to go tacit (though this will probably line
> > > > wrap in email, despite my attempts to remove unneeded spaces):
> > > >
> > > > glqtextmetrics=: (1&{::[chkgl2)@(('"',libjqt,'" glqtextmetrics
> > > > ',(IFWIN#'+'),' i *i')&cd@(<7#00))"1
> > > >
> > > > Thanks,
> > > >
> > > > --
> > > > Raul
> > > >
> > > > On Fri, Nov 19, 2021 at 6:05 PM Henry Rich <[email protected]>
> wrote:
> > > > >
> > > > > If you're going to use {{ }} you might as well use 7#00 instead of
> 2-2
> > > .
> > > > >
> > > > > Henry Rich
> > > > >
> > > > > On 11/19/2021 3:51 PM, Raul Miller wrote:
> > > > > > Thanks!
> > > > > >
> > > > > > And, unless you're trying to do something similar to what I am
> trying
> > > > > > to do, you might not have much use for text metrics.
> > > > > >
> > > > > > Setting up test cases and running example code is an easy area to
> > > > > > neglect. (I know I have often neglected this realm.)
> > > > > >
> > > > > > Anyways, I am going to use
> > > > > >
> > > > > > glqtextmetrics=: {{
> > > > > >    tm=. 7#2-2
> > > > > >    chkgl2 cdrc=. ('"',libjqt,'" glqtextmetrics  ',(IFWIN#'+'),' i
> > > *i') cd <tm
> > > > > >    1{::cdrc
> > > > > > }}"1
> > > > > >
> > > > > > until the gl2 package gets updated.
> > > > > >
> > > > > > Thanks again,
> > > > > >
> > > > >
> > > > >
> > > > > --
> > > > > This email has been checked for viruses by AVG.
> > > > > https://www.avg.com
> > > > >
> > > > >
> ----------------------------------------------------------------------
> > > > > For information about J forums see
> http://www.jsoftware.com/forums.htm
> > > ----------------------------------------------------------------------
> > > For information about J forums see http://www.jsoftware.com/forums.htm
> > >
> > ----------------------------------------------------------------------
> > For information about J forums see http://www.jsoftware.com/forums.htm
> ----------------------------------------------------------------------
> For information about J forums see http://www.jsoftware.com/forums.htm
>
----------------------------------------------------------------------
For information about J forums see http://www.jsoftware.com/forums.htm

Reply via email to