freetype2/src/base/ftgasp.c

39 lines
805 B
C

#include <ft2build.h>
#include FT_GASP_H
#include FT_INTERNAL_TRUETYPE_TYPES_H
FT_EXPORT_DEF( FT_Int )
FT_Get_Gasp( FT_Face face,
FT_UInt ppem )
{
FT_Int result = FT_GASP_NO_TABLE;
if ( face && FT_IS_SFNT(face) )
{
TT_Face ttface = (TT_Face)face;
if ( ttface->gasp.numRanges > 0 )
{
TT_GaspRange range = ttface->gasp.gaspRanges;
TT_GaspRange range_end = range + ttface->gasp.numRanges;
while ( ppem > range->maxPPEM )
{
range++;
if ( range >= range_end )
goto Exit;
}
result = range->gaspFlag;
/* ensure we don't have spurious bits */
if ( ttface->gasp.version == 0 )
result &= 3;
}
}
Exit:
return result;
}