| /***************************************************************************/ |
| /* */ |
| /* 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 "../../include/ft2build.h" |
| #include "../../include/freetype/ftgasp.h" |
| #include "../../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 */ |
