Re: [matplotlib-devel] Experimental overlapping-prevention on the transforms branch

[Michael D. <md...@st...>]

Darren Dale wrote:
>> One other problem to be aware of in this area: usetex does not support
>> rotated text, so autofmt_xdate and related tricks will still not work
>> until usetex supports arbitrary rotations.  One thing that has been on
>> my wish list is to expose the agg image functionality a little better
>> to make things like rotating the ft2font pixel buffer easier.
> 
> I mentioned the usetex limitation a while back on mpl-dev, the post was 
> titled "arbitrary rotation of images".

Between 0.90 and 0.91, the Agg backend grew a "draw_text_image" method, 
which can draw an image at an arbitrary angle.  It is hardcoded to take 
the inverted greyscale images generated by FT2Font, but it should 
provide a roadmap as to how to handle the rgba images used by the usetex 
machinery.

Cheers,
Mike

-- 
Michael Droettboom
Science Software Branch
Operations and Engineering Division
Space Telescope Science Institute
Operated by AURA for NASA