/***************************************************************************/ | |
/* */ | |
/* ftgasp.c */ | |
/* */ | |
/* Access of TrueType's `gasp' table (body). */ | |
/* */ | |
/* Copyright 2007-2015 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 */ |