Re: [ft] anti-aliasing question

[Dave Calkins]

On 1/31/2010 6:08 PM, Bruce Long wrote:
> If you are using the 'grays' renderer you could always use the 
> call-back routine. Then instead of assigning a value from 0 to 255 use 
> a scaling factor to push the values closer to 255. Of course you 
> glyphs will look a little fatter.
>
> For example, add (say) 64 to each pixel value then if the result is > 
> 255, set it to 255.
>
> Or, multiply the pixel value by (say) 1.5. Then set any values >255 to 
> 255.
>
> (Tor, sorry I sent that to only you instead of reply -all.)

I'll give this a try.  Where/how do you register the callback routine?  
As for "fatness" of the glyphs, maybe instead of pushing the values 
brighter, I could have a threshold and zero out anything below that 
threshold?