diff options
Diffstat (limited to '3rdparty/freetype/src/base/ftgasp.c')
| -rw-r--r-- | 3rdparty/freetype/src/base/ftgasp.c | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/3rdparty/freetype/src/base/ftgasp.c b/3rdparty/freetype/src/base/ftgasp.c new file mode 100644 index 0000000..8485d29 --- /dev/null +++ b/3rdparty/freetype/src/base/ftgasp.c @@ -0,0 +1,61 @@ +/***************************************************************************/ +/* */ +/* 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 */ |