vcl: adjust LayoutText() for vertical writing.

Revert 58af692e2814 "tdf#111967 translate offsets
so it is relative to vorigin", which use
hb_font_add_glyph_origin_for_direction to change
the origin for vertical writing. This caused major
problem in Y-axis.

For X-axis, align the baseline of the vertical run
to the center of the rotated horizontal run,
by adding "(ascender + descener) / 2.

Besides the alignment mentioned above, underlying text
rendering code should be able to render properly based
on the positions that Harfbuzz API creates.

Change-Id: Ic1ef1f734686d0e61c4b2a6bf7feb7c870bba84f
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/115014
Tested-by: Jenkins
Reviewed-by: Mark Hung <marklh9@gmail.com>

0 files changed, 0 insertions, 0 deletions