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freetype2
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Code Issues 4 Releases Wiki Activity

[truetype] Optimize DELTAP and DELTAC. 

* src/truetype/ttinterp.c (Ins_DELTAP, Ins_DELTAC): Move ppem
calculations outside of the loop.
This commit is contained in:
Alexei Podtelezhnikov 2014-08-24 22:14:01 -04:00
parent 5bb5750f98
commit a8bc49e141
2 changed files with 14 additions and 5 deletions
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7
ChangeLog
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@ -1,3 +1,10 @@
2014-08-24 Alexei Podtelezhnikov <apodtele@gmail.com>
[truetype] Optimize DELTAP and DELTAC.
* src/truetype/ttinterp.c (Ins_DELTAP, Ins_DELTAC): Move ppem
calculations outside of the loop.
2014-08-21 Alexei Podtelezhnikov <apodtele@gmail.com>
Fix Savannah bug #43033.

12
src/truetype/ttinterp.c
View File

@ -7487,9 +7487,9 @@
static void
Ins_DELTAP( INS_ARG )
{
FT_ULong k, nump;
FT_ULong nump, k;
FT_UShort A;
FT_ULong C;
FT_ULong C, P;
FT_Long B;
#ifdef TT_CONFIG_OPTION_SUBPIXEL_HINTING
FT_UShort B1, B2;
@ -7523,6 +7523,7 @@
}
#endif
P = (FT_ULong)CURRENT_Ppem();
nump = (FT_ULong)args[0]; /* some points theoretically may occur more
than once, thus UShort isn't enough */
@ -7567,7 +7568,7 @@
C += CUR.GS.delta_base;
if ( CURRENT_Ppem() == (FT_Long)C )
if ( P == C )
{
B = ( (FT_ULong)B & 0xF ) - 8;
if ( B >= 0 )
@ -7667,7 +7668,7 @@
Ins_DELTAC( INS_ARG )
{
FT_ULong nump, k;
FT_ULong A, C;
FT_ULong A, C, P;
FT_Long B;
@ -7691,6 +7692,7 @@
}
#endif
P = (FT_ULong)CURRENT_Ppem();
nump = (FT_ULong)args[0];
for ( k = 1; k <= nump; k++ )
@ -7736,7 +7738,7 @@
C += CUR.GS.delta_base;
if ( CURRENT_Ppem() == (FT_Long)C )
if ( P == C )
{
B = ( (FT_ULong)B & 0xF ) - 8;
if ( B >= 0 )