[PyQt] PyQt support for Myanmar scripts (Burma)

[Florian Bruhin]

* Timothy W. Grove <tim_grove at sil.org> [2016-02-24 21:09:40 +0000]:
> On 24/02/2016 17:25, Elvis Stansvik wrote:
> >2016-02-24 13:33 GMT+01:00 Timothy W. Grove <tim_grove at sil.org>:
> >>I'm developing a PyQt4 application here in England, and I know someone has
> >>been trying it out with Myanmar script, with not very pleasing results.
> >>Their comment was:
> >>
> >>Unfortunately it doesn't handle Myanmar script well at all - many frequent
> >>characters are not even displaying when keyboarded; others are displayed but
> >>not rendered properly. When I paste in Myanmar Unicode text that has been
> >>properly keyboarded in Word, all the characters show up, but are not
> >>rendered properly...
> >>
> >>Does anyone have any experience with this script? Any comments about complex
> >>script support in PyQt in general? I guess my real question is, would I see
> >>better results with Myanmar if I moved from PyQt4 to PyQt5 with its ICU
> >>libraries? Thanks for any comments.
> >I don't have a direct answer, but I'm pretty sure Qt doesn't use ICU
> >for text layout, only for locale stuff. I know it uses Harfbuzz for
> >the shaping of glyphs (at least on X11), and it's of course possible
> >there's been some improvement to the Harfbuzz copy that they keep. So
> >I think the best way is to try it out.
> >
> >Elvis
> Well, a quick experiment with PyQt5 shows that something in there makes the
> script display better. Ignorant question, probably, but is there any way to
> add Harfbuzz support into a PyQt4 application without making the full move
> to PyQt5?

Nothing I know of - ignorant answer probably, but switch to Qt5
already, Qt4 is unmaintained anyways ;)

Florian

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