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[truetype] Tweak the previous commit.

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* src/truetype/ttinterp.c (Current_Ratio): Put unit vector
components as the second TT_MulFix14 arguments. This is required
on 16-bit systems.
This commit is contained in:
Alexei Podtelezhnikov 2012-12-06 20:23:38 -05:00
parent 5ad05f97b6
commit cece4d3b5d
2 changed files with 13 additions and 5 deletions
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8
ChangeLog
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@ -1,3 +1,11 @@
2012-12-06 Alexei Podtelezhnikov <apodtele@gmail.com>
[truetype] Tweak the previous commit.
* src/truetype/ttinterp.c (Current_Ratio): Put unit vector
components as the second TT_MulFix14 arguments. This is required
on 16-bit systems.
2012-12-06 Alexei Podtelezhnikov <apodtele@gmail.com>
[truetype] Microoptimizations in bytecode interpreter.

10
src/truetype/ttinterp.c
View File

@ -233,7 +233,7 @@
/*************************************************************************/
/* */
/* This macro computes (a*2^14)/b and compliments TT_MulFix14. */
/* This macro computes (a*2^14)/b and complements TT_MulFix14. */
/* */
#define TT_DivFix14( a, b ) \
FT_DivFix( a, (b) << 2 )
@ -1671,10 +1671,10 @@
FT_F26Dot6 x, y;
x = TT_MulFix14( CUR.GS.projVector.x,
CUR.tt_metrics.x_ratio );
y = TT_MulFix14( CUR.GS.projVector.y,
CUR.tt_metrics.y_ratio );
x = TT_MulFix14( CUR.tt_metrics.x_ratio,
CUR.GS.projVector.x );
y = TT_MulFix14( CUR.tt_metrics.y_ratio,
CUR.GS.projVector.y );
CUR.tt_metrics.ratio = TT_VecLen( x, y );
}
}