Re: Pango/Cairo circular problem

[Behdad Esfahbod <behdad behdad org>]

Theo Veenker wrote:
> Andrei Vasiliu wrote:
>>
>> Hello all,
>>
>> I've run into a sort of brick wall here, and I can't go on with my
>> project until I pass it. I'm using GTK, Cairo, and Pango... I need to
>> "cache" some GUI elements, that will be displayed numerous times and
>> at various places on a big widget. So I'm using Cairo memory surfaces
>> for this.
>>
>> The problem: The size of these memory surfaces depend on their
>> contents, so I need to determine the size before creating one. The
>> contents include Pango layouts. In order to create a Pango layout for
>> Cairo and get its size, I need a Cairo context. In order to create a
>> Cairo context, I need the size of several Pango layouts.
>>
>> Anyone ever had this problem before?
> 
> You just have to create a surface (size 1x1) and layout the text on
> that surface. Then you can determine the required size. This is the
> way it's done ATM I believe.

Yep.  Better yet, make it 0x0.

behdad


> Theo