You might also have a look at the goffice library (which provide the charting engine to gnumeric, abiword, gnucash and others).
Le mercredi 06 mai 2009 à 16:18 -0400, Keith Williams a écrit : > You might want to take a look at the GIW library (it's hosted on > sourceforge). I'm not sure if it will save you any coding or not. > > Also, a guy I was working with wrote a patch for GIW's x-y plot that > utilized Cairo's anti-aliased drawing capability. I can probably dig > that up if you're interested. > > HTH, > > Keith > > David Brigada wrote: > > Hello, > > > > I am currently developing an X-Y graph widget that I think could > > someday be included in GTK+. I'd just like to get a little bit of > > feedback on the design so that I don't start spinning my wheels in the > > wrong direction. My plan is to make the usage of GtkGraph similar to > > that of GtkTreeView---they are both widgets that can show large > > amounts of data. > > > > The widget would be GtkGraph (analogous to GtkTreeView). This would > > show axes, labels and numbers on the axes, and provide the drawing > > region to show the plots on. On the GtkGraph widget, application > > programmers could add GtkGraphPlot objects (similar to > > GtkTreeViewColumn), each of which would plot a single series of data. > > The plot objects would be connected to two things, first a > > GtkGraphRenderer (similar to GtkCellRenderer) that would determine how > > to plot the data on the graph, and second a GtkTreeModel (usually a > > GtkListStore or possibly a lightweight replacement that uses an array > > instead of a linked list for backing) that provides the data that the > > renderer uses to generate its plots. Each GtkGraphPlot object would > > also hold one or more column numbers indexing into the tree model. > > > > At some point, when I'm done with a basic implementation of this, I'll > > send an update with (a link to) the code to the list, if anyone's > > interested in giving a brief review so that I can try to fit it better > > to GTK+'s style. > > > > Please let me know what you think about this idea. > > > > Thanks, > > David Brigada > > _______________________________________________ > > gtk-devel-list mailing list > > gtk-devel-list@gnome.org > > http://mail.gnome.org/mailman/listinfo/gtk-devel-list > > > > > > > > > _______________________________________________ > gtk-devel-list mailing list > gtk-devel-list@gnome.org > http://mail.gnome.org/mailman/listinfo/gtk-devel-list > _______________________________________________ gtk-devel-list mailing list gtk-devel-list@gnome.org http://mail.gnome.org/mailman/listinfo/gtk-devel-list
