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[gf] Resolve failing of `GF_CMap'. 

* src/gf/gfdrivr.c(gf_cmap_char_{index, next}): Use `linear search'
instead of `binary search' in the encoding table as it will always
be unsorted.
This commit is contained in:
Parth Wazurkar 2018-08-15 02:01:12 +05:30
parent de38489910
commit aa60927a65
1 changed files with 11 additions and 43 deletions
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54
src/gf/gfdrivr.c
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@ -81,33 +81,21 @@
{
GF_CMap cmap = (GF_CMap)gfcmap;
GF_Encoding encodings = cmap->encodings;
FT_ULong min, max, mid;
FT_UInt result = 0;
FT_UInt max, code, result = 0, i;
min = 0;
max = cmap->num_encodings;
while ( min < max )
for( i = 0; i < max; i++ )
{
FT_ULong code;
mid = ( min + max ) >> 1;
code = (FT_ULong)encodings[mid].enc;
code = (FT_ULong)encodings[i].enc;
if ( charcode == code )
{
result = encodings[mid].glyph;
break;
result = encodings[i].glyph;
goto Exit;
}
if ( charcode < code )
max = mid;
else
min = mid + 1;
}
return result;
Exit:
return result;
}
FT_CALLBACK_DEF( FT_UInt )
@ -116,39 +104,19 @@
{
GF_CMap cmap = (GF_CMap)gfcmap;
GF_Encoding encodings = cmap->encodings;
FT_ULong min, max, mid;
FT_UInt result = 0, i, code, max;
FT_ULong charcode = *acharcode + 1;
FT_UInt result = 0;
min = 0;
max = cmap->num_encodings;
while ( min < max )
for( i = 0; i < max; i++ )
{
FT_ULong code;
mid = ( min + max ) >> 1;
code = (FT_ULong)encodings[mid].enc;
code = (FT_ULong)encodings[i].enc;
if ( charcode == code )
{
result = encodings[mid].glyph + 1;
result = encodings[i].glyph + 1;
goto Exit;
}
if ( charcode < code )
max = mid;
else
min = mid + 1;
}
charcode = 0;
if ( min < cmap->num_encodings )
{
charcode = (FT_ULong)encodings[min].enc;
result = encodings[min].glyph ;
}
Exit: