Втр, 15 Июн 2010, Sherlock Ric писал(а): > > From: bill lam > > Sent: Tuesday, 15 June 2010 14:15 > > > > Втр, 15 Июн 2010, Sherlock Ric писал(а): > > > > > > > 2. 'save bmp' works just fine but not 'save png' ... why > > > > > > The different file formats for the save command have different > > options http://www.jsoftware.com/jwiki/Plot/Commands#Copycommands . > > From that page, only the 'save bmp' format takes a width and height. > > > > > I think wiki needs update, save to png with wh might work a few years > > ago. The bug was introduced when switching image library from image3 > > to platimg in Dec 13 08:54:57 2007 as shown in svn log. > > AFAICS the wiki page I linked to correctly describes the behaviour of the > save png command now available? No [w h] option is available for png (or jpg, > gif, tif, emf). Is there some other location that needs updating? > > There is an optional compression parameter that you can give for png, > specifying how much compression to use. There does appear to be a bug in the > processing of that option (and the quality option for jpg). I've submitted a > patch for that to the j6 base library.
I think gtk plot in j701 could be changed use cairo for output, then plot can be saved to a file directly. -- regards, ==================================================== GPG key 1024D/4434BAB3 2008-08-24 gpg --keyserver subkeys.pgp.net --recv-keys 4434BAB3 ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
