Huw Davies : usp10: Fix pair adjustment for RTL text.
Alexandre Julliard
julliard at winehq.org
Mon Jan 14 15:55:50 CST 2013
Module: wine
Branch: master
Commit: 464bf22fdf9840bba3b1b50e1c4c64f2ceaa4595
URL: http://source.winehq.org/git/wine.git/?a=commit;h=464bf22fdf9840bba3b1b50e1c4c64f2ceaa4595
Author: Huw Davies <huw at codeweavers.com>
Date: Mon Jan 14 13:17:19 2013 +0000
usp10: Fix pair adjustment for RTL text.
---
dlls/usp10/opentype.c | 6 ++++--
1 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/dlls/usp10/opentype.c b/dlls/usp10/opentype.c
index d054e32..978c1d2 100644
--- a/dlls/usp10/opentype.c
+++ b/dlls/usp10/opentype.c
@@ -1699,11 +1699,13 @@ static INT GPOS_apply_lookup(LPOUTLINETEXTMETRICW lpotm, LPLOGFONTW lplogfont, c
double devX, devY;
int index;
int write_dir = (analysis->fRTL && !analysis->fLogicalOrder) ? -1 : 1;
+ int offset_sign = (analysis->fRTL && analysis->fLogicalOrder) ? -1 : 1;
+
index = GPOS_apply_PairAdjustment(look, analysis, glyphs, glyph_index, glyph_count, ppem, adjust, advance);
if (adjust[0].x || adjust[0].y)
{
GPOS_convert_design_units_to_device(lpotm, lplogfont, adjust[0].x, adjust[0].y, &devX, &devY);
- pGoffset[glyph_index].du += round(devX);
+ pGoffset[glyph_index].du += round(devX) * offset_sign;
pGoffset[glyph_index].dv += round(devY);
}
if (advance[0].x || advance[0].y)
@@ -1714,7 +1716,7 @@ static INT GPOS_apply_lookup(LPOUTLINETEXTMETRICW lpotm, LPLOGFONTW lplogfont, c
if (adjust[1].x || adjust[1].y)
{
GPOS_convert_design_units_to_device(lpotm, lplogfont, adjust[1].x, adjust[1].y, &devX, &devY);
- pGoffset[glyph_index + write_dir].du += round(devX);
+ pGoffset[glyph_index + write_dir].du += round(devX) * offset_sign;
pGoffset[glyph_index + write_dir].dv += round(devY);
}
if (advance[1].x || advance[1].y)
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