61 lines
1.3 KiB
C
61 lines
1.3 KiB
C
/****************************************************************************
|
|
*
|
|
* ftgasp.c
|
|
*
|
|
* Access of TrueType's `gasp' table (body).
|
|
*
|
|
* Copyright (C) 2007-2022 by
|
|
* David Turner, Robert Wilhelm, and Werner Lemberg.
|
|
*
|
|
* This file is part of the FreeType project, and may only be used,
|
|
* modified, and distributed under the terms of the FreeType project
|
|
* license, LICENSE.TXT. By continuing to use, modify, or distribute
|
|
* this file you indicate that you have read the license and
|
|
* understand and accept it fully.
|
|
*
|
|
*/
|
|
|
|
|
|
#include <freetype/ftgasp.h>
|
|
#include <freetype/internal/tttypes.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 that we don't have spurious bits */
|
|
if ( ttface->gasp.version == 0 )
|
|
result &= 3;
|
|
}
|
|
}
|
|
Exit:
|
|
return result;
|
|
}
|
|
|
|
|
|
/* END */
|