[Cairo] Re: [xsvg] cairo_text_extents ?
cworth at east.isi.edu
Tue Dec 16 13:59:22 PST 2003
On Dec 16, Owen Taylor wrote:
> The Pango approach is going to be that lines of text always
> proceed in the positive-X direction. Vertical text will involve
> a 90 degree rotation of Han characters during layout so they
> get rotated back into vertical by the overall matrix.
> This should considerably simplify the bookkeeping.
OK. Do let us know if we start going in a direction that will make
your life miserable.
> I think it's very much worth reading the appropriate parts of
> the CSS3 text module:
> before designing any API with the hope that it is going to work
> well for vertical text.
Thanks for the pointer.
> I also tend to think that vertical text is well out of the scope of
> what should be in the "toy api".
Actually, in cairo the "toy" cairo_text_extents and "real"
cairo_glyph_extents functions share the same structure definition for
their return value.
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