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[truetype] Revert the reordering of trickyness checking. 

Trickyness check by the family name is faster than that by
the checksum.
This commit is contained in:
suzuki toshiya 2011-04-26 03:46:12 +09:00
parent abc47aa136
commit 86b7b2f614
2 changed files with 11 additions and 10 deletions
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11
ChangeLog
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@ -2,13 +2,14 @@
[truetype] Always check the checksum to identify tricky fonts.
Some PDF generators mangle the family name badly, prioritize
the check by the sfnt table checksums than the check by the
family name. For sample PDF, see
Because some PDF generators mangle the family name badly,
the trickyness check by the checksum should be invoked always.
For sample PDF, see
http://lists.gnu.org/archive/html/freetype-devel/2011-04/msg00073.html
* src/truetype/ttobjs.c (tt_check_trickyness): Exchange the order
of tt_check_trickyness_family() and tt_check_trickyness_sfnt_ids().
* src/truetype/ttobjs.c (tt_check_trickyness): Even when
tt_check_trickyness_family() finds no trickyness,
tt_check_trickyness_sfnt_ids() is invoked.
2011-04-22 suzuki toshiya <mpsuzuki@hiroshima-u.ac.jp>

10
src/truetype/ttobjs.c
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@ -332,17 +332,17 @@
if ( !face )
return FALSE;
/* For first, check the face name for quick check. */
if ( face->family_name &&
tt_check_trickyness_family( face->family_name ) )
return TRUE;
/* Type42 fonts may lack `name' tables, we thus try to identify */
/* tricky fonts by checking the checksums of Type42-persistent */
/* sfnt tables (`cvt', `fpgm', and `prep'). */
if ( tt_check_trickyness_sfnt_ids( (TT_Face)face ) )
return TRUE;
/* Secondary, check the face name. */
if ( face->family_name &&
tt_check_trickyness_family( face->family_name ) )
return TRUE;
return FALSE;
}