Re: [AGG] Re: Beginner - how to draw text together with shapes with opacity

[Ken R. <res...@sp...>]

Maxim, Many thanks.

Great!
Text-only works together with shapes-with-opacity and to my eays
it looks good too.

Here is how:

In the proc that implements text:

1.  replace typedef agg::pixfmt_bgr24_gamma<gamma_type> pixfmt_type;
    by typedef agg::pixfmt_bgra32 pixfmt_type ;

2.   replace pixfmt_type pf(rbuf, m_gamma_lut);
     by pixfmt_type pf(rbuf);

Ken


----- Original Message -----
From: "Maxim Shemanarev" <mc...@an...>
To: <vec...@li...>
Sent: Thursday, November 17, 2005 10:23 PM
Subject: [AGG] Re: Beginner - how to draw text together with shapes with
opacity


> > What if we use text-only instead text-with-gamma?
> > Would that be easier to handle? How?
>
> Of course, you don't have to use gamma correction at all. Gamma about 2.0
> gives much better visual result according to the human vision perception.
>
> > It may not look as good, but would be a lot better than not
> > being able to mix text and shapes-with-opacity at all, or for
> > it to be too slow.
>
> Yes, the result is still quite appropriate.
>
> McSeem
>
>
>
>
>
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