Re: [ft-devel] Taming CFF_CONFIG_OPTION_DARKENING_PARAMETER_Y* for a gamma of ~2.2/sRGB?

[Behdad Esfahbod]

On 15-08-24 12:07 PM, Alexei Podtelezhnikov wrote:
> 
> 
> Alexei A Podtelezhnikov, PhD
> 
>> On Aug 24, 2015, at 6:11 AM, Behdad Esfahbod <address@hidden> wrote:
>>
>>> On 15-08-23 11:29 PM, Werner LEMBERG wrote:
>>>
>>>>> `FT_Outline_Embolden' *does* change the advance width!  You have to
>>>>> save the metrics before the call, then restoring the original
>>>>> values.
>>>>
>>>> Don't you mean experimental FT_Glyph_Embolden?
>>>
>>> Oops *blush*.  Please forget what I've said :-)
>>
>> Ok I'm not following what's going on
> 
> FT_Outline_EmboldenXY only changes the outline and its bounding box. The 
> dimensions of the letter is changed very predictably by xstrength and 
> ystrength. The outline is shifted by half of the strengths so that the 
> bottom-left of the bounding box stays in place. Makes sense?

Yes, this I understand very well.  I have no idea what FT_Glyph_Embolden() is.