Fonts (was Re: [etoys-dev] Wording in Clouds)

[Bert Freudenberg]

On 29.07.2009, at 23:43, Andreas Raab wrote:

> Bert Freudenberg wrote:
>> TTF files use a rather space-efficient delta coding for glyph  
>> shapes. When importing the font into the Squeak image, this is  
>> expanded to discreet bezier curves, which is the format our vector  
>> renderer understands natively.
>
> Okay, I'll sign up for fixing that. The history of the Truetype  
> fonts is such that the original implementation was not intended for  
> screen text but rather for generating 3D text in Wonderland. It was  
> only later that Yoshiki figured out how to get that stuff going to  
> make screen fonts out of it. Unfortunately, the desire to deal with  
> the actual glyphs for 3D stuff led to reading in the entire file  
> instead of defining a more deferred interface.
>
> What I can do is to change the font reader to only read the bits  
> that are necessary to render a particular glyph and then either  
> leave the entire TTF file externally or read the file into memory  
> for caching. In any case, the data won't get expanded unless you are  
> actually rendering that glyph on screen.
>
> Cheers,
>  - Andreas

Yay! :)

- Bert -