Also the rgb sequence of graph (vrgb ) seems to the reverse of that in current J. eg. 255 is blue in J7/J8. Not sure for J6.
ps. BRUSHCOLO should ne BRUSHCOLOR Чт, 04 дек 2014, Michal Wallace написал(а): > Hey Bill, > > Sorry for taking so long to respond to this. My last post was just meant as > a reference for anyone getting started with graphics, but I guess I should > have elaborated on the problem that lead me to use the gl* instead of gd* > commands. > > I haven't tracked down what's causing it, but in 803, if you run: > help > studio > labs > category:graphics > graph utilities > > There is an error on step 7: > > | domain error: chkgl2 > | glbrush glrgb BRUSHCOLO > > It works fine in 802, and I've verified that other users have this problem > on both windows and android. > > -Michal > > > On Wed, Nov 19, 2014 at 4:33 AM, bill lam <[email protected]> wrote: > > > I didn't try your script or know what it was expected to show or > > what was broken. Perhaps you can clarify. > > > > Henry Rich had written some remarks on glrect in jwiki > > > > > > http://www.jsoftware.com/jwiki/Guides/Window%20Driver/gl2%20Command%20Reference > > > > May be that can explain your problem. That said, glrect is just > > a very thin cover function for Qt painter class, so that I > > believe that is the way of how Qt draws. > > > > Ср, 19 ноя 2014, Michal Wallace написал(а): > > > Some of the docs about graphics are out of date since the move to QT, > > > and the gdxxx verbs broke (at least for me) in the upgrade to j803/QT5. > > > > > > So: I spent some time today putting together a little demo that shows how > > > to use isigraph to draw to the screen and handle raw keyboard events: > > > > > > https://github.com/tangentstorm/tangentlabs/blob/master/j/gltest0.ijs > > > > > > It doesn't do anything interesting visually. I just thought someone > > > else might find it useful and/or teach me the error of my ways. :) > > > > > > I also used it to render a bitmapped font I made back in the DOS days: > > > > > > http://i.imgur.com/fo4XcqF.png > > > https://github.com/tangentstorm/tangentlabs/blob/master/j/dosfont.ijs > > > > > > I've implemented a bitmapped text display like this in 4 other languages > > > over the years, and none of them have ever made the job this easy. :) > > > > > > -Michal > > > ---------------------------------------------------------------------- > > > 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 > ---------------------------------------------------------------------- > 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
