Re: PangoFontMetrics

[Havoc Pennington <hp redhat com>]

"Venkat Ramakrishnan" <venkat_ramakrishnan hotmail com> writes:
> I am new to GTK+ . I used to use  X and motif calls for UI design and
> i really find GTK to be very flexible and powerful. Thanks to the
> people who brought it up .
> I have a small question . I want to write some strings into a drawing
> area using certain fonts . And I am using Pango for this . Now I want
> to find out the height and width (ascent and descent etc) of the
> string so that i can place it properly . Hence I am using the
> PangoFontMterics.
> But there is one call which is confusing for me
> pango_language_from_string   (const char *language);
> where
> language : a string representing a language tag (as the API says)
> 
> Can somebosy tell me  what string to passed as the "language" in the
> above call .Is it related somehow to the locale .
> I tried passing the string (i want to draw , but it does not work )
> I mean for different strings I get the same ascent and descent .
> 
> I am confused . I think the ascent and descent is based on the font
> being used .
> I would apprecite any help on this. Is there any application using
> pango . Cyrrently I am refering the API Refarence (from gtk.org)
> 

Rather than fooling with font metrics, you probably just want to call
pango_layout_get_pixel_extents().

If you need a PangoLanguage gtk_get_default_language() is the simplest
way.

Havoc