Re: [matplotlib-devel] Patch to backend_ps for aligning Unicode text

Stan West wrote:
> While labeling axes with both standard and Unicode strings, I noticed some
> alignment problems in EPS output, as in the attached examples.  I traced it
> to differences between RendererPS.draw_text and RendererPS.draw_unicode; the
> latter was not accounting for any descenders in the glyphs.  I've attached a
> suggested patch which I believe brings the draw_unicode behavior into line
> with the draw_text behavior for both AFM and TrueType fonts.  The patch also
> removes extraneous indents in multi-line PostScript strings that were
> appearing in the EPS files.
>   
Thanks for the patch.  I'm sure that was just overlooked when Unicode 
support was added to the Ps backend.

This has been committed to SVN r6295.
> I also noticed a related issue in backend_pdf: For both standard and Unicode
> strings, the descender correction is computed, but the text is shifted
> vertically in the canvas coordinate system rather than in the glyph
> coordinate system.  Therefore, y axis labels are bumped up rather than left
> on the canvas.  I'm not able to work on a patch at this time.
I'll have a look at this.  Thanks for pointing it out.

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