forked from minhngoc25a/freetype2
62 lines
2.0 KiB
C
62 lines
2.0 KiB
C
/***************************************************************************/
|
|
/* */
|
|
/* ftgasp.c */
|
|
/* */
|
|
/* Access of TrueType's `gasp' table (body). */
|
|
/* */
|
|
/* Copyright 2007 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 <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 that we don't have spurious bits */
|
|
if ( ttface->gasp.version == 0 )
|
|
result &= 3;
|
|
}
|
|
}
|
|
Exit:
|
|
return result;
|
|
}
|
|
|
|
|
|
/* END */
|