Re: gtkdatabox-0.8.0.0 released

[Fabian Foerg <fabian foerg gmx de>]

Thank you very much Roland, this release is great.
In future versions of cournol, I'll use gtkdatabox_rulers instead of 
nxp_rulers.
Here the new version works flawlessly, but nevertheless, I have two 
small suggestions:

1) In gtkdatabox.c, line 1352, <gtk/gtkdatabox_ruler.h> is included. 
Actually, <gtkdatabox_ruler.h> should be included.

2) In examples/basics2.c a few unused variables can be found. From the 
gcc output:
basics2.c: In Funktion »create_basics«:
basics2.c:57: Warnung: Variable »buffer« wird nicht verwendet
basics2.c:54: Warnung: Variable »max« wird nicht verwendet
basics2.c:53: Warnung: Variable »min« wird nicht verwendet
basics2.c:51: Warnung: Variable »ruler« wird nicht verwendet
basics2.c:50: Warnung: Variable »scrollbar« wird nicht verwendet

Regards,
Fabian


Roland Bock wrote:
> Dear all,
>
> a few minutes ago I uploaded a new version of GtkDatabox:
>
> http://www.eudoxos.de/gtk/gtkdatabox/download/gtkdatabox-0.8.0.0.tar.gz
>
> Here is the appropriate excerpt from the ChangeLog:
>
> <snip>
> - Added support for logarithmic scales for drawing
> - Replaced original gtkruler with gtkdatabox_ruler.
> - GtkDataboxRuler supports logarithmic scales
> - Instead of HRuler and VRuler, GtkDataboxRuler has an orientation
>   - No big changes in existing projects required, see examples
> - renamed the following functions:
>   gtk_databox_get_canvas         => gtk_databox_get_total_limits
>   gtk_databox_set_canvas         => gtk_databox_set_total_limits
>   gtk_databox_get_visible_canvas => gtk_databox_get_visible_limits
>   gtk_databox_set_visible_canvas => gtk_databox_set_visible_limits
> - replaced GtkDataboxCoord by GdkPoint (which is just the same)
> - Added example which shows linear, logarithmic and double logarithmic
>   graphs
> - Added example which shows easiest way to start with GtkDatabox
> </snip>
>
> I hope I have not forgotten any important thing...
>
> Some more words about the rulers:
> We had a discussion about using nxp_ruler, which seemed to have both,
> good handling of huge values and logarithmic scales. But when I took a
> closer look there were a few things that stopped me from using nxp_rulers:
>
> *) Scales cannot not be inverted, so I cannot turn my graph upside down.
> This is an old and required feature of GtkDatabox, though.
>
> *) I do not understand the code that calculates the ticks at all.
>
> *) Two many classes for my taste (3 rulers, plus a special adjustment)
>
> *) There were some minor issues in addition
>
> I therefore took a look at the "original" GtkRuler, again. I liked that
> code much better and adjusted it to create a GtkDataboxRuler widget
> which (in my eyes) combines the benefits of GtkRuler and NxpRuler and more:
>
> *) Works with rather big and also rather small data ranges
>
> *) Supports linear and logarithmic scales
>
> *) Can be inverted
>
> *) Only one class (not three or four)
>
> *) Modern GTK Style, using cairo (maybe this also should be used with
> some of the graphs)
>
>
> You see, I like it ;-)
>
>
> I am looking forward to reading your feedback!
>
>
> Regards,
>
> Roland
>
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