?? ftxgasp.c
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/******************************************************************* * * ftxgasp.c 1.0 * * Gasp table support API extension body * * Copyright 1996-2001 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. * * * The gasp table is currently loaded by the core engine, but the * standard API doesn't give access to it. This file is used to * demonstrate the use of a simple API extension. * ******************************************************************/#include "ftxgasp.h"#include "tttypes.h"#include "ttobjs.h"#include "tttables.h" FT_EXPORT_FUNC( TT_Error ) TT_Get_Face_Gasp_Flags( TT_Face face, TT_UShort point_size, TT_Bool* grid_fit, TT_Bool* smooth_font ) { PFace faze = HANDLE_Face( face ); UShort i, flag; if ( !faze ) return TT_Err_Invalid_Face_Handle; if ( faze->gasp.numRanges == 0 || !faze->gasp.gaspRanges ) return TT_Err_Table_Missing; for ( i = 0; i < faze->gasp.numRanges; i++ ) { if ( point_size <= faze->gasp.gaspRanges[i].maxPPEM ) { flag = faze->gasp.gaspRanges[i].gaspFlag; *grid_fit = ( (flag & GASP_GRIDFIT) != 0 ); *smooth_font = ( (flag & GASP_DOGRAY ) != 0 ); return TT_Err_Ok; } } /* for very large fonts we enable font smoothing and discard */ /* grid fitting */ *grid_fit = 0; *smooth_font = 1; return TT_Err_Ok; }/* END */
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