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Fix Savannah bug #40975 (sort of). 

* src/truetype/ttinterp.c (Ins_IP): Fix sign typo to make FreeType
behave the same as the Windows TrueType engine for the invalid case.
This commit is contained in:
Werner Lemberg 2013-12-21 19:33:15 +01:00
parent 3bf60950f7
commit b337fa25cf
2 changed files with 18 additions and 5 deletions
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7
ChangeLog
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@ -1,3 +1,10 @@
2013-12-21 Werner Lemberg <wl@gnu.org>
Fix Savannah bug #40975 (sort of).
* src/truetype/ttinterp.c (Ins_IP): Fix sign typo to make FreeType
behave the same as the Windows TrueType engine for the invalid case.
2013-12-21 Werner Lemberg <wl@gnu.org>
[autofit] Make PIC mode work actually.

16
src/truetype/ttinterp.c
View File

@ -7169,7 +7169,7 @@
org_dist = CUR_fast_dualproj( &vec );
}
cur_dist = CUR_Func_project ( &CUR.zp2.cur[point], cur_base );
cur_dist = CUR_Func_project( &CUR.zp2.cur[point], cur_base );
if ( org_dist )
{
@ -7180,14 +7180,20 @@
/* This is the same as what MS does for the invalid case: */
/* */
/* delta = (Original_Pt - Original_RP1) - */
/* (Current_Pt - Current_RP1) */
/* (Current_Pt - Current_RP1) ; */
/* */
/* In FreeType speak: */
/* */
/* new_dist = cur_dist - */
/* org_dist - cur_dist; */
/* delta = org_dist - cur_dist . */
/* */
/* We move `point' by `new_dist - cur_dist' after leaving */
/* this block, thus we have */
/* */
/* new_dist - cur_dist = delta , */
/* new_dist - cur_dist = org_dist - cur_dist , */
/* new_dist = org_dist . */
new_dist = -org_dist;
new_dist = org_dist;
}
}
else