ref: b337fa25cf1ae602a9ba8ac11d2896cc004caa17
parent: 3bf60950f7c44319150c1173667d6d4b79fbf18d
author: Werner Lemberg <[email protected]>
date: Sat Dec 21 14:33:15 EST 2013
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.
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,12 @@
2013-12-21 Werner Lemberg <[email protected]>
+ 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 <[email protected]>
+
[autofit] Make PIC mode work actually.
* src/autofit/afpic.h (AFModulePIC): Fix array sizes to fit the
--- a/src/truetype/ttinterp.c
+++ b/src/truetype/ttinterp.c
@@ -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