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freetype2
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Code Issues 4 Releases Wiki Activity

* src/pfr/pfrsbit.c (pfr_lookup_bitmap_data): Accelerate the search. 

This is mostly for consistency because PFR fonts with bitmap strikes
do not seem to exist.
This commit is contained in:
Alexei Podtelezhnikov 2022-11-07 21:36:32 -05:00
parent 6139f2b647
commit e00afdb35b
1 changed files with 8 additions and 3 deletions
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11
src/pfr/pfrsbit.c
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@ -282,7 +282,7 @@
FT_ULong* found_offset,
FT_ULong* found_size )
{
FT_UInt min, max, char_len;
FT_UInt min, max, mid, char_len;
FT_Bool two = FT_BOOL( *flags & PFR_BITMAP_2BYTE_CHARCODE );
FT_Byte* buff;
@ -349,14 +349,14 @@
min = 0;
max = count;
mid = min + ( max - min ) / 2;
/* binary search */
while ( min < max )
{
FT_UInt mid, code;
FT_UInt code;
mid = ( min + max ) >> 1;
buff = base + mid * char_len;
if ( two )
@ -370,6 +370,11 @@
min = mid + 1;
else
goto Found_It;
/* reasonable prediction in a continuous block */
mid += char_code - code;
if ( mid >= max || mid < min )
mid = min + ( max - min ) / 2;
}
Fail: