[PATCH] usp10: rewrite ScriptXtoCP

[Aric Stewart]

Make the process and algorithm more understandable
Properly handle multi-glyph and multi-character clusters both RTL and LTR
Properly handle scripts that set fNeedsCaretInfo (RTL and LTR)

Signed-off-by: Aric Stewart <aric at codeweavers.com>
---
 dlls/usp10/tests/usp10.c | 107 ++++++++++++++++++-
 dlls/usp10/usp10.c       | 268 ++++++++++++++++++++++++++++++++---------------
 2 files changed, 287 insertions(+), 88 deletions(-)


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