#ifndef _FT_GASP_H_ #define _FT_GASP_H_ #include #include FT_FREETYPE_H /** * @enum: FT_GASP_XXX * * @description: * a list of values and/or bit-flags returned by the * @FT_Get_Gasp function. * * @values: * FT_GASP_NO_TABLE :: * this special value means that there is no GASP table * in this face. It's up to the client to decide what to * do * * FT_GASP_DO_GRIDFIT :: * indicates that grid-fitting/hinting should be * performed at the specified ppem. This *really* * means TrueType bytecode interpretation * * FT_GASP_DO_GRAY :: * indicates that anti-aliased rendering should be * performed at the specified ppem * * FT_GASP_SYMMETRIC_SMOOTHING :: * indicates that smoothing along multiple axis * must be used with ClearType. * * FT_GASP_SYMMETRIC_GRIDFIT :: * indicates that grid-fitting must be used with * ClearType's symmetric smoothing */ #define FT_GASP_NO_TABLE -1 #define FT_GASP_DO_GRIDFIT 0x01 #define FT_GASP_DO_GRAY 0x02 #define FT_GASP_SYMMETRIC_SMOOTHING 0x08 #define FT_GASP_SYMMETRIC_GRIDFIT 0x10 /** * @func: FT_Get_Gasp * * @description: * read the GASP table from a TrueType or OpenType font file * and return the entry corresponding to a given character * pixel size * * @input: * face :: source face handle * ppem :: vertical character pixel size * * @return: * bit flags, or @FT_GASP_NO_TABLE is there is no GASP table * in the face. */ FT_EXPORT( FT_Int ) FT_Get_Gasp( FT_Face face, FT_UInt ppem ); /* */ #endif /* _FT_GASP_H_ */