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Re: [ft-devel] FT_Set_Char_Size()

From: Werner LEMBERG
Subject: Re: [ft-devel] FT_Set_Char_Size()
Date: Wed, 21 Sep 2011 15:32:38 +0200 (CEST)

> If any one could answer my (silly?) question. I need to use
> FT_Set_Char_Size() to set my character size at point 7,25 (verdana).
> Since this function accepts FT_F26dot6 as the char height and width, I
> am wondering how I can set point 7,25 without losing data
> if I cast 7,25 to FT_F26dot6.

As the name says, F26dot6 has 26 bits before the dot, and 6 bits after
it.  Consequently, you simply multiply by 64 if you want to convert
into the F26dot6 format:

  7.25 * 64 = 464


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