Re: [ft] Permanently disable antialiasing

[Anatoly]

On Mon, 07 Nov 2016 06:30:56 +0100 (CET)
Werner LEMBERG <address@hidden> wrote:

> >>> I wish to build freetype2 library that never does antialiasing on
> >>> it's output whatever application calls.  
> >> 
> >> Really?  Only B/W rendering?  This looks very ugly for most modern
> >> fonts.
> >>   
> >>> But I can't see simple switch for that elsewhere. Is it
> >>> possible?  
> >> 
> >> No, it's not possible.  There is no switch to do that.  You would
> >> have to patch the sources, namely (a) to disable the AA rasterizer,
> >> and (b) to always use the `FT_LOAD_TARGET_MONO' glyph loading
> >> flag.  
> >
> > Maybe Anatoly's output medium is an LED screen :)   
> 
> Fair point.  Anyways, there is no option for that, and I won't add
> one.  The patch I mentioned would be a small, namely to add the
> lines
> 
>   if ( load_flags & FT_LOAD_RENDER )
>   {
>     load_flags &= 0xFFF0FFFFL; /* unset rendering modes */
>     load_flags |= FT_LOAD_TARGET_MONO;
>   }
> 
> near the beginning of `FT_Load_Glyph', and
> 
>   render_mode = FT_RENDER_MODE_MONO;
> 
> near the beginning of `FT_Render_Glyph' (untested).  Maybe there are
> more spots to handle in the source code; I haven't checked this
> thoroughly.
> 
> 
>     Werner

Thank you, this works!