/******************************************************************* * * ftxwidth.h * * Glyph Widths (and Heights) fast retrieval extension. * * Copyright 1996-1999 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. * * * This extension is used to parse the `glyf' table of a TrueType * file in order to extract the bounding box of a given range of glyphs. * * The bounding box is then used to build font unit widths and heights * that are returned in two parallel arrays. * * This extension is needed by the FreeType/2 OS/2 Font Driver. * ******************************************************************/ #ifndef FTXWIDTH_H #define FTXWIDTH_H #include "freetype.h" #ifdef __cplusplus extern "C" { #endif /******************************************************************/ /* */ /* Function: TT_Get_Face_Widths */ /* */ /* Description: Returns the widths and/or heights of a given */ /* range of glyphs for a face. */ /* */ /* Input: */ /* face :: face handle */ /* */ /* first_glyph :: first glyph in range */ /* */ /* last_glyph :: last glyph in range */ /* */ /* widths :: address of table receiving the widths */ /* expressed in font units (ushorts). Set */ /* this parameter to NULL if you're not */ /* interested by these values. */ /* */ /* heights :: address of table receiving the heights */ /* expressed in font units (ushorts). Set */ /* this parameter to NULL if you're not */ /* interested by these values */ /* */ /* Returns: */ /* Error code */ /* */ /* */ /******************************************************************/ EXPORT_DEF TT_Error TT_Get_Face_Widths( TT_Face face, TT_UShort first_glyph, TT_UShort last_glyph, TT_UShort* widths, TT_UShort* heights ); #ifdef __cplusplus } #endif #endif /* FTXWIDTH_H */ /* END */