Re: [cc65] TGI bitmap fnts revisited

Hi Uz,

> I'm not sure if this is really worth it. [...]

I see. So at least from my perspective it looks like the "design
phase" is finalized:

- Starting coordinates stay as they are: Lower left corner (not baseline).

- Drawing is done transparently (meaning non-glyph "background" pixels
are left as they are).

- A driver states via a new bit in the header if it supports 8.8 fixed
point scaling (or only integer scaling).

- Based on that bit (and the already existing integer x and y size
values) the TGI kernel does clipping on character granularity.

- The parameters to the OUTTEXT driver entry point are changed from a
C string to a Pascal string in order to facilitate copy-free clipping
for TGI kernel.

Please let me know if the above is correct and complete...

Regards,
Oliver
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