Thanks. fix will be included in the next release.
Ср, 07 май 2014, Cliff Reiter писал(а):
> I think that writeimg_jqtide_ needs an adjustment in order to specify
> jpeg (or png) quality.
>
> The only time "opt" is nonempty is when quality is set and then it has
> two boxed items.
>
> Thus the <. {. 0&".opt in
> if. ''-:opt do. quality=. _1 else. quality=. <. {. 0&".opt end.
>
> fails.
>
> Can be fixed with
> if. ''-:opt do. quality=. _1 else. quality=. <. {. 0&".>{:opt end.
>
> but probably simplifies the function if the earlier
>
> opt=. (":&.>1{opt) 1}opt
>
> is changed.
> Best, Cliff
>
>
> On 8/6/2013 8:09 PM, bill lam wrote:
> >There are verbs in the jqtide locale for reading and writing
> >images.
> >
> >NB. reading file images to argb matrix
> >img=. readimg_jqtide_ 'foo.jpg'
> >
> >NB. reading file images from memory to argb matrix
> >img=. getimg_jqtide_ 'foo.jpg'
> >
> >NB. write image data to file
> >NB. x rgb matrix
> >NB. y filename [ ; 'jpeg|png|ico|bmp' [ ; 'quality' ; [0,100]|_1
> >
> >img writeimg_jqtide_ 'foo.png'
> >
> >However I guess these verbs cannot be used in jconsole. Neither
> >can J8 load or use gtk stuff.
> >
> >Вт, 06 авг 2013, Dan Farmer писал(а):
> >>Hello,
> >>
> >>New J user here (well I've been dabbling for a few months, but getting
> >>more serious now). I'm using J8 (which I realize is considered beta, I
> >>figured since I'm using it on Linux, Windows and Android I may as well
> >>use the latest, I won't even know what's missing versus J6).
> >>
> >>Anyway to come to the point, I found a post on the jwiki about image
> >>processing and the author used the GTK facilities from J7 to load
> >>images, I'm curious if this functionality has been exposed via jqt? I
> >>saw the wd demo that loads an image and displays it on a form, but it
> >>wasn't clear to me if I could actually get an array out of that or if
> >>it just returned a QImage for GUI usage. I've seen references to
> >>image3 and platimg but neither of these seem to be available for J8 at
> >>this time.
> >>
> >>I have a few other questions, but since this is my first post I
> >>thought I would ask if this group prefers a separate email per "topic"
> >>(more google-able) or if a batch of questions is ok (more humane on
> >>the inbox)?
> >>
> >>[I tried posting this from Nabble initially and it said the mailing
> >>list did not accept it so I am resending it in the usual fashion,
> >>apologies if anyone has seen this twice now]
> >>
> >>Thank you,
> >>Dan
> >>----------------------------------------------------------------------
> >>For information about J forums see http://www.jsoftware.com/forums.htm
>
> --
> Clifford A. Reiter
> Lafayette College, Easton, PA 18042
> http://webbox.lafayette.edu/~reiterc/
>
> ----------------------------------------------------------------------
> For information about J forums see http://www.jsoftware.com/forums.htm
--
regards,
====================================================
GPG key 1024D/4434BAB3 2008-08-24
gpg --keyserver subkeys.pgp.net --recv-keys 4434BAB3
gpg --keyserver subkeys.pgp.net --armor --export 4434BAB3
----------------------------------------------------------------------
For information about J forums see http://www.jsoftware.com/forums.htm
