Re: [ft-devel] first auto-hinter infinality patch added to git

[vernon adams]

I know i've asked this before :) but, could this concept also be used to 
Decrease the xheight at particular char sizes? Because decreasing the xheight 
can also increase legibility at some small sizes on some fonts.
-v


On Sep 18, 2012, at 10:02 PM, Werner LEMBERG <address@hidden> wrote:

> 
> Folks,
> 
> 
> I've just committed a first experimental auto-hinter addition from the
> Infinality patch: What you could originally control by the environment
> variable `INFINALITY_FT_AUTOHINT_INCREASE_GLYPH_HEIGHTS' can now be
> handled with the new property `increase-x-height' (and even
> fine-tuned, not possible with the original implementation).
> 
> From the documentation:
> 
>  For ppem values in the range 6 <= ppem <= ‘increase-x-height’, round
>  up the font's x height much more often than normally.  If the value
>  is set to 0, which is the default, this feature is switched off.
>  Use this property to improve the legibility of small font sizes if
>  necessary.
> 
>    FT_Library               library;
>    FT_Face                  face;
>    FT_Prop_IncreaseXHeight  prop;
> 
> 
>    FT_Init_FreeType( &library );
>    FT_New_Face( library, "foo.ttf", 0, &face );
>    FT_Set_Char_Size( face, 10 * 64, 0, 72, 0 );
> 
>    prop.face  = face;
>    prop.limit = 14;
> 
>    FT_Property_Set( library, "autofitter",
>                              "increase-x-height", &prop );
> 
> Along these lines it should be possible to add other auto-hinter
> extensions.  Erik?
> 
> 
>    Werner
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