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/***************************************************************************/
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/* */
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/* sfnt.h */
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/* */
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/* High-level `sfnt' driver interface (specification). */
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/* */
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/* Copyright 1996-2001, 2002, 2003, 2004, 2005, 2006 by */
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/* David Turner, Robert Wilhelm, and Werner Lemberg. */
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/* */
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/* This file is part of the FreeType project, and may only be used, */
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/* modified, and distributed under the terms of the FreeType project */
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/* license, FTL.TXT. By continuing to use, modify, or distribute */
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/* this file you indicate that you have read the license and */
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/* understand and accept it fully. */
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/* */
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/***************************************************************************/
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#ifndef __SFNT_H__
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#define __SFNT_H__
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#include <ft2build.h>
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#include FT_INTERNAL_DRIVER_H
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#include FT_INTERNAL_TRUETYPE_TYPES_H
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FT_BEGIN_HEADER
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/*************************************************************************/
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/* */
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/* <FuncType> */
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/* TT_Init_Face_Func */
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/* */
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/* <Description> */
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/* First part of the SFNT face object initialization. This finds */
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/* the face in a SFNT file or collection, and load its format tag in */
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/* face->format_tag. */
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/* */
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/* <Input> */
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/* stream :: The input stream. */
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/* */
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/* face :: A handle to the target face object. */
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/* */
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/* face_index :: The index of the TrueType font, if we are opening a */
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/* collection. */
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/* */
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/* num_params :: The number of additional parameters. */
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/* */
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/* params :: Optional additional parameters. */
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/* */
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/* <Return> */
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/* FreeType error code. 0 means success. */
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/* */
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/* <Note> */
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/* The stream cursor must be at the font file's origin. */
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/* */
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/* This function recognizes fonts embedded in a `TrueType */
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/* collection'. */
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/* */
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/* Once the format tag has been validated by the font driver, it */
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/* should then call the TT_Load_Face_Func() callback to read the rest */
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/* of the SFNT tables in the object. */
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/* */
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typedef FT_Error
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(*TT_Init_Face_Func)( FT_Stream stream,
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TT_Face face,
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FT_Int face_index,
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FT_Int num_params,
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FT_Parameter* params );
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/*************************************************************************/
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/* */
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/* <FuncType> */
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/* TT_Load_Face_Func */
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/* */
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/* <Description> */
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/* Second part of the SFNT face object initialization. This loads */
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/* the common SFNT tables (head, OS/2, maxp, metrics, etc.) in the */
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/* face object. */
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/* */
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/* <Input> */
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/* stream :: The input stream. */
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/* */
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/* face :: A handle to the target face object. */
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/* */
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/* face_index :: The index of the TrueType font, if we are opening a */
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/* collection. */
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/* */
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/* num_params :: The number of additional parameters. */
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/* */
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/* params :: Optional additional parameters. */
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/* */
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/* <Return> */
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/* FreeType error code. 0 means success. */
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/* */
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/* <Note> */
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/* This function must be called after TT_Init_Face_Func(). */
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/* */
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typedef FT_Error
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(*TT_Load_Face_Func)( FT_Stream stream,
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TT_Face face,
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FT_Int face_index,
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FT_Int num_params,
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FT_Parameter* params );
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/*************************************************************************/
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/* */
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/* <FuncType> */
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/* TT_Done_Face_Func */
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/* */
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/* <Description> */
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/* A callback used to delete the common SFNT data from a face. */
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/* */
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/* <Input> */
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/* face :: A handle to the target face object. */
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/* */
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/* <Note> */
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/* This function does NOT destroy the face object. */
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/* */
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typedef void
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(*TT_Done_Face_Func)( TT_Face face );
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#ifdef FT_CONFIG_OPTION_OLD_INTERNALS
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/*************************************************************************/
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/* */
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/* <FuncType> */
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/* TT_Load_SFNT_HeaderRec_Func */
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/* */
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/* <Description> */
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/* Loads the header of a SFNT font file. Supports collections. */
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/* */
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/* <Input> */
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/* face :: A handle to the target face object. */
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/* */
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/* stream :: The input stream. */
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/* */
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/* face_index :: The index of the TrueType font, if we are opening a */
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/* collection. */
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/* */
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/* <Output> */
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/* sfnt :: The SFNT header. */
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/* */
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/* <Return> */
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/* FreeType error code. 0 means success. */
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/* */
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/* <Note> */
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/* The stream cursor must be at the font file's origin. */
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/* */
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/* This function recognizes fonts embedded in a `TrueType */
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/* collection'. */
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/* */
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/* This function checks that the header is valid by looking at the */
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/* values of `search_range', `entry_selector', and `range_shift'. */
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/* */
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typedef FT_Error
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(*TT_Load_SFNT_HeaderRec_Func)( TT_Face face,
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FT_Stream stream,
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FT_Long face_index,
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SFNT_Header sfnt );
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/*************************************************************************/
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/* */
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/* <FuncType> */
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/* TT_Load_Directory_Func */
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/* */
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/* <Description> */
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/* Loads the table directory into a face object. */
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/* */
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/* <Input> */
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/* face :: A handle to the target face object. */
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/* */
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/* stream :: The input stream. */
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/* */
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/* sfnt :: The SFNT header. */
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/* */
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/* <Return> */
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/* FreeType error code. 0 means success. */
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/* */
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/* <Note> */
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/* The stream cursor must be on the first byte after the 4-byte font */
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/* format tag. This is the case just after a call to */
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/* TT_Load_Format_Tag(). */
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/* */
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typedef FT_Error
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(*TT_Load_Directory_Func)( TT_Face face,
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FT_Stream stream,
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SFNT_Header sfnt );
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#endif /* FT_CONFIG_OPTION_OLD_INTERNALS */
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/*************************************************************************/
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/* */
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/* <FuncType> */
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/* TT_Load_Any_Func */
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/* */
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/* <Description> */
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/* Load any font table into client memory. */
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/* */
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/* <Input> */
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/* face :: The face object to look for. */
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/* */
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/* tag :: The tag of table to load. Use the value 0 if you want */
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/* to access the whole font file, else set this parameter */
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/* to a valid TrueType table tag that you can forge with */
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/* the MAKE_TT_TAG macro. */
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/* */
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/* offset :: The starting offset in the table (or the file if */
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/* tag == 0). */
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/* */
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/* length :: The address of the decision variable: */
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/* */
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/* If length == NULL: */
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/* Loads the whole table. Returns an error if */
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/* `offset' == 0! */
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/* */
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/* If *length == 0: */
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/* Exits immediately; returning the length of the given */
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/* table or of the font file, depending on the value of */
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/* `tag'. */
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/* */
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/* If *length != 0: */
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/* Loads the next `length' bytes of table or font, */
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/* starting at offset `offset' (in table or font too). */
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/* */
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/* <Output> */
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/* buffer :: The address of target buffer. */
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/* */
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/* <Return> */
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/* TrueType error code. 0 means success. */
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/* */
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typedef FT_Error
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(*TT_Load_Any_Func)( TT_Face face,
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FT_ULong tag,
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FT_Long offset,
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FT_Byte *buffer,
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FT_ULong* length );
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/*************************************************************************/
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/* */
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/* <FuncType> */
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/* TT_Find_SBit_Image_Func */
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/* */
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/* <Description> */
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/* Check whether an embedded bitmap (an `sbit') exists for a given */
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/* glyph, at a given strike. */
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/* */
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/* <Input> */
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/* face :: The target face object. */
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/* */
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/* glyph_index :: The glyph index. */
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/* */
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/* strike_index :: The current strike index. */
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/* */
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/* <Output> */
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/* arange :: The SBit range containing the glyph index. */
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/* */
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/* astrike :: The SBit strike containing the glyph index. */
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/* */
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/* aglyph_offset :: The offset of the glyph data in `EBDT' table. */
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/* */
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/* <Return> */
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/* FreeType error code. 0 means success. Returns */
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/* SFNT_Err_Invalid_Argument if no sbit exists for the requested */
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/* glyph. */
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/* */
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typedef FT_Error
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(*TT_Find_SBit_Image_Func)( TT_Face face,
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FT_UInt glyph_index,
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FT_ULong strike_index,
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TT_SBit_Range *arange,
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TT_SBit_Strike *astrike,
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FT_ULong *aglyph_offset );
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/*************************************************************************/
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/* */
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/* <FuncType> */
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/* TT_Load_SBit_Metrics_Func */
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/* */
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/* <Description> */
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/* Get the big metrics for a given embedded bitmap. */
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/* */
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/* <Input> */
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/* stream :: The input stream. */
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/* */
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/* range :: The SBit range containing the glyph. */
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/* */
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/* <Output> */
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/* big_metrics :: A big SBit metrics structure for the glyph. */
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/* */
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/* <Return> */
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/* FreeType error code. 0 means success. */
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/* */
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/* <Note> */
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/* The stream cursor must be positioned at the glyph's offset within */
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/* the `EBDT' table before the call. */
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/* */
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/* If the image format uses variable metrics, the stream cursor is */
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/* positioned just after the metrics header in the `EBDT' table on */
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/* function exit. */
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/* */
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typedef FT_Error
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(*TT_Load_SBit_Metrics_Func)( FT_Stream stream,
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TT_SBit_Range range,
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TT_SBit_Metrics metrics );
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/*************************************************************************/
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/* */
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/* <FuncType> */
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/* TT_Load_SBit_Image_Func */
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/* */
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/* <Description> */
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/* Load a given glyph sbit image from the font resource. This also */
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/* returns its metrics. */
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/* */
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/* <Input> */
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/* face :: */
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/* The target face object. */
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/* */
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/* strike_index :: */
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/* The strike index. */
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/* */
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/* glyph_index :: */
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/* The current glyph index. */
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/* */
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/* load_flags :: */
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/* The current load flags. */
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/* */
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/* stream :: */
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/* The input stream. */
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/* */
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/* <Output> */
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/* amap :: */
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/* The target pixmap. */
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/* */
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/* ametrics :: */
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/* A big sbit metrics structure for the glyph image. */
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/* */
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/* <Return> */
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/* FreeType error code. 0 means success. Returns an error if no */
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/* glyph sbit exists for the index. */
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/* */
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/* <Note> */
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/* The `map.buffer' field is always freed before the glyph is loaded. */
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/* */
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typedef FT_Error
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(*TT_Load_SBit_Image_Func)( TT_Face face,
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FT_ULong strike_index,
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FT_UInt glyph_index,
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FT_UInt load_flags,
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FT_Stream stream,
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FT_Bitmap *amap,
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TT_SBit_MetricsRec *ametrics );
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364 |
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365 |
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366 |
#ifdef FT_CONFIG_OPTION_OLD_INTERNALS
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367 |
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/*************************************************************************/
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/* */
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/* <FuncType> */
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/* TT_Set_SBit_Strike_OldFunc */
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/* */
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/* <Description> */
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/* Select an sbit strike for a given size request. */
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/* */
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/* <Input> */
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/* face :: The target face object. */
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/* */
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/* req :: The size request. */
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/* */
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/* <Output> */
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382 |
/* astrike_index :: The index of the sbit strike. */
|
|
|
383 |
/* */
|
|
|
384 |
/* <Return> */
|
|
|
385 |
/* FreeType error code. 0 means success. Returns an error if no */
|
|
|
386 |
/* sbit strike exists for the selected ppem values. */
|
|
|
387 |
/* */
|
|
|
388 |
typedef FT_Error
|
|
|
389 |
(*TT_Set_SBit_Strike_OldFunc)( TT_Face face,
|
|
|
390 |
FT_UInt x_ppem,
|
|
|
391 |
FT_UInt y_ppem,
|
|
|
392 |
FT_ULong* astrike_index );
|
|
|
393 |
|
|
|
394 |
|
|
|
395 |
/*************************************************************************/
|
|
|
396 |
/* */
|
|
|
397 |
/* <FuncType> */
|
|
|
398 |
/* TT_CharMap_Load_Func */
|
|
|
399 |
/* */
|
|
|
400 |
/* <Description> */
|
|
|
401 |
/* Loads a given TrueType character map into memory. */
|
|
|
402 |
/* */
|
|
|
403 |
/* <Input> */
|
|
|
404 |
/* face :: A handle to the parent face object. */
|
|
|
405 |
/* */
|
|
|
406 |
/* stream :: A handle to the current stream object. */
|
|
|
407 |
/* */
|
|
|
408 |
/* <InOut> */
|
|
|
409 |
/* cmap :: A pointer to a cmap object. */
|
|
|
410 |
/* */
|
|
|
411 |
/* <Return> */
|
|
|
412 |
/* FreeType error code. 0 means success. */
|
|
|
413 |
/* */
|
|
|
414 |
/* <Note> */
|
|
|
415 |
/* The function assumes that the stream is already in use (i.e., */
|
|
|
416 |
/* opened). In case of error, all partially allocated tables are */
|
|
|
417 |
/* released. */
|
|
|
418 |
/* */
|
|
|
419 |
typedef FT_Error
|
|
|
420 |
(*TT_CharMap_Load_Func)( TT_Face face,
|
|
|
421 |
void* cmap,
|
|
|
422 |
FT_Stream input );
|
|
|
423 |
|
|
|
424 |
|
|
|
425 |
/*************************************************************************/
|
|
|
426 |
/* */
|
|
|
427 |
/* <FuncType> */
|
|
|
428 |
/* TT_CharMap_Free_Func */
|
|
|
429 |
/* */
|
|
|
430 |
/* <Description> */
|
|
|
431 |
/* Destroys a character mapping table. */
|
|
|
432 |
/* */
|
|
|
433 |
/* <Input> */
|
|
|
434 |
/* face :: A handle to the parent face object. */
|
|
|
435 |
/* */
|
|
|
436 |
/* cmap :: A handle to a cmap object. */
|
|
|
437 |
/* */
|
|
|
438 |
/* <Return> */
|
|
|
439 |
/* FreeType error code. 0 means success. */
|
|
|
440 |
/* */
|
|
|
441 |
typedef FT_Error
|
|
|
442 |
(*TT_CharMap_Free_Func)( TT_Face face,
|
|
|
443 |
void* cmap );
|
|
|
444 |
|
|
|
445 |
#endif /* FT_CONFIG_OPTION_OLD_INTERNALS */
|
|
|
446 |
|
|
|
447 |
|
|
|
448 |
/*************************************************************************/
|
|
|
449 |
/* */
|
|
|
450 |
/* <FuncType> */
|
|
|
451 |
/* TT_Set_SBit_Strike_Func */
|
|
|
452 |
/* */
|
|
|
453 |
/* <Description> */
|
|
|
454 |
/* Select an sbit strike for a given size request. */
|
|
|
455 |
/* */
|
|
|
456 |
/* <Input> */
|
|
|
457 |
/* face :: The target face object. */
|
|
|
458 |
/* */
|
|
|
459 |
/* req :: The size request. */
|
|
|
460 |
/* */
|
|
|
461 |
/* <Output> */
|
|
|
462 |
/* astrike_index :: The index of the sbit strike. */
|
|
|
463 |
/* */
|
|
|
464 |
/* <Return> */
|
|
|
465 |
/* FreeType error code. 0 means success. Returns an error if no */
|
|
|
466 |
/* sbit strike exists for the selected ppem values. */
|
|
|
467 |
/* */
|
|
|
468 |
typedef FT_Error
|
|
|
469 |
(*TT_Set_SBit_Strike_Func)( TT_Face face,
|
|
|
470 |
FT_Size_Request req,
|
|
|
471 |
FT_ULong* astrike_index );
|
|
|
472 |
|
|
|
473 |
|
|
|
474 |
/*************************************************************************/
|
|
|
475 |
/* */
|
|
|
476 |
/* <FuncType> */
|
|
|
477 |
/* TT_Load_Strike_Metrics_Func */
|
|
|
478 |
/* */
|
|
|
479 |
/* <Description> */
|
|
|
480 |
/* Load the metrics of a given strike. */
|
|
|
481 |
/* */
|
|
|
482 |
/* <Input> */
|
|
|
483 |
/* face :: The target face object. */
|
|
|
484 |
/* */
|
|
|
485 |
/* strike_index :: The strike index. */
|
|
|
486 |
/* */
|
|
|
487 |
/* <Output> */
|
|
|
488 |
/* metrics :: the metrics of the strike. */
|
|
|
489 |
/* */
|
|
|
490 |
/* <Return> */
|
|
|
491 |
/* FreeType error code. 0 means success. Returns an error if no */
|
|
|
492 |
/* such sbit strike exists. */
|
|
|
493 |
/* */
|
|
|
494 |
typedef FT_Error
|
|
|
495 |
(*TT_Load_Strike_Metrics_Func)( TT_Face face,
|
|
|
496 |
FT_ULong strike_index,
|
|
|
497 |
FT_Size_Metrics* metrics );
|
|
|
498 |
|
|
|
499 |
|
|
|
500 |
/*************************************************************************/
|
|
|
501 |
/* */
|
|
|
502 |
/* <FuncType> */
|
|
|
503 |
/* TT_Get_PS_Name_Func */
|
|
|
504 |
/* */
|
|
|
505 |
/* <Description> */
|
|
|
506 |
/* Get the PostScript glyph name of a glyph. */
|
|
|
507 |
/* */
|
|
|
508 |
/* <Input> */
|
|
|
509 |
/* idx :: The glyph index. */
|
|
|
510 |
/* */
|
|
|
511 |
/* PSname :: The address of a string pointer. Will be NULL in case */
|
|
|
512 |
/* of error, otherwise it is a pointer to the glyph name. */
|
|
|
513 |
/* */
|
|
|
514 |
/* You must not modify the returned string! */
|
|
|
515 |
/* */
|
|
|
516 |
/* <Output> */
|
|
|
517 |
/* FreeType error code. 0 means success. */
|
|
|
518 |
/* */
|
|
|
519 |
typedef FT_Error
|
|
|
520 |
(*TT_Get_PS_Name_Func)( TT_Face face,
|
|
|
521 |
FT_UInt idx,
|
|
|
522 |
FT_String** PSname );
|
|
|
523 |
|
|
|
524 |
|
|
|
525 |
/*************************************************************************/
|
|
|
526 |
/* */
|
|
|
527 |
/* <FuncType> */
|
|
|
528 |
/* TT_Load_Metrics_Func */
|
|
|
529 |
/* */
|
|
|
530 |
/* <Description> */
|
|
|
531 |
/* Load a metrics table, which is a table with a horizontal and a */
|
|
|
532 |
/* vertical version. */
|
|
|
533 |
/* */
|
|
|
534 |
/* <Input> */
|
|
|
535 |
/* face :: A handle to the target face object. */
|
|
|
536 |
/* */
|
|
|
537 |
/* stream :: The input stream. */
|
|
|
538 |
/* */
|
|
|
539 |
/* vertical :: A boolean flag. If set, load the vertical one. */
|
|
|
540 |
/* */
|
|
|
541 |
/* <Return> */
|
|
|
542 |
/* FreeType error code. 0 means success. */
|
|
|
543 |
/* */
|
|
|
544 |
typedef FT_Error
|
|
|
545 |
(*TT_Load_Metrics_Func)( TT_Face face,
|
|
|
546 |
FT_Stream stream,
|
|
|
547 |
FT_Bool vertical );
|
|
|
548 |
|
|
|
549 |
|
|
|
550 |
/*************************************************************************/
|
|
|
551 |
/* */
|
|
|
552 |
/* <FuncType> */
|
|
|
553 |
/* TT_Get_Metrics_Func */
|
|
|
554 |
/* */
|
|
|
555 |
/* <Description> */
|
|
|
556 |
/* Load the horizontal or vertical header in a face object. */
|
|
|
557 |
/* */
|
|
|
558 |
/* <Input> */
|
|
|
559 |
/* face :: A handle to the target face object. */
|
|
|
560 |
/* */
|
|
|
561 |
/* stream :: The input stream. */
|
|
|
562 |
/* */
|
|
|
563 |
/* vertical :: A boolean flag. If set, load vertical metrics. */
|
|
|
564 |
/* */
|
|
|
565 |
/* <Return> */
|
|
|
566 |
/* FreeType error code. 0 means success. */
|
|
|
567 |
/* */
|
|
|
568 |
typedef FT_Error
|
|
|
569 |
(*TT_Get_Metrics_Func)( TT_Face face,
|
|
|
570 |
FT_Bool vertical,
|
|
|
571 |
FT_UInt gindex,
|
|
|
572 |
FT_Short* abearing,
|
|
|
573 |
FT_UShort* aadvance );
|
|
|
574 |
|
|
|
575 |
|
|
|
576 |
/*************************************************************************/
|
|
|
577 |
/* */
|
|
|
578 |
/* <FuncType> */
|
|
|
579 |
/* TT_Load_Table_Func */
|
|
|
580 |
/* */
|
|
|
581 |
/* <Description> */
|
|
|
582 |
/* Load a given TrueType table. */
|
|
|
583 |
/* */
|
|
|
584 |
/* <Input> */
|
|
|
585 |
/* face :: A handle to the target face object. */
|
|
|
586 |
/* */
|
|
|
587 |
/* stream :: The input stream. */
|
|
|
588 |
/* */
|
|
|
589 |
/* <Return> */
|
|
|
590 |
/* FreeType error code. 0 means success. */
|
|
|
591 |
/* */
|
|
|
592 |
/* <Note> */
|
|
|
593 |
/* The function uses `face->goto_table' to seek the stream to the */
|
|
|
594 |
/* start of the table, except while loading the font directory. */
|
|
|
595 |
/* */
|
|
|
596 |
typedef FT_Error
|
|
|
597 |
(*TT_Load_Table_Func)( TT_Face face,
|
|
|
598 |
FT_Stream stream );
|
|
|
599 |
|
|
|
600 |
|
|
|
601 |
/*************************************************************************/
|
|
|
602 |
/* */
|
|
|
603 |
/* <FuncType> */
|
|
|
604 |
/* TT_Free_Table_Func */
|
|
|
605 |
/* */
|
|
|
606 |
/* <Description> */
|
|
|
607 |
/* Free a given TrueType table. */
|
|
|
608 |
/* */
|
|
|
609 |
/* <Input> */
|
|
|
610 |
/* face :: A handle to the target face object. */
|
|
|
611 |
/* */
|
|
|
612 |
typedef void
|
|
|
613 |
(*TT_Free_Table_Func)( TT_Face face );
|
|
|
614 |
|
|
|
615 |
|
|
|
616 |
/*
|
|
|
617 |
* @functype:
|
|
|
618 |
* TT_Face_GetKerningFunc
|
|
|
619 |
*
|
|
|
620 |
* @description:
|
|
|
621 |
* Return the horizontal kerning value between two glyphs.
|
|
|
622 |
*
|
|
|
623 |
* @input:
|
|
|
624 |
* face :: A handle to the source face object.
|
|
|
625 |
* left_glyph :: The left glyph index.
|
|
|
626 |
* right_glyph :: The right glyph index.
|
|
|
627 |
*
|
|
|
628 |
* @return:
|
|
|
629 |
* The kerning value in font units.
|
|
|
630 |
*/
|
|
|
631 |
typedef FT_Int
|
|
|
632 |
(*TT_Face_GetKerningFunc)( TT_Face face,
|
|
|
633 |
FT_UInt left_glyph,
|
|
|
634 |
FT_UInt right_glyph );
|
|
|
635 |
|
|
|
636 |
|
|
|
637 |
/*************************************************************************/
|
|
|
638 |
/* */
|
|
|
639 |
/* <Struct> */
|
|
|
640 |
/* SFNT_Interface */
|
|
|
641 |
/* */
|
|
|
642 |
/* <Description> */
|
|
|
643 |
/* This structure holds pointers to the functions used to load and */
|
|
|
644 |
/* free the basic tables that are required in a `sfnt' font file. */
|
|
|
645 |
/* */
|
|
|
646 |
/* <Fields> */
|
|
|
647 |
/* Check the various xxx_Func() descriptions for details. */
|
|
|
648 |
/* */
|
|
|
649 |
typedef struct SFNT_Interface_
|
|
|
650 |
{
|
|
|
651 |
TT_Loader_GotoTableFunc goto_table;
|
|
|
652 |
|
|
|
653 |
TT_Init_Face_Func init_face;
|
|
|
654 |
TT_Load_Face_Func load_face;
|
|
|
655 |
TT_Done_Face_Func done_face;
|
|
|
656 |
FT_Module_Requester get_interface;
|
|
|
657 |
|
|
|
658 |
TT_Load_Any_Func load_any;
|
|
|
659 |
|
|
|
660 |
#ifdef FT_CONFIG_OPTION_OLD_INTERNALS
|
|
|
661 |
TT_Load_SFNT_HeaderRec_Func load_sfnt_header;
|
|
|
662 |
TT_Load_Directory_Func load_directory;
|
|
|
663 |
#endif
|
|
|
664 |
|
|
|
665 |
/* these functions are called by `load_face' but they can also */
|
|
|
666 |
/* be called from external modules, if there is a need to do so */
|
|
|
667 |
TT_Load_Table_Func load_head;
|
|
|
668 |
TT_Load_Metrics_Func load_hhea;
|
|
|
669 |
TT_Load_Table_Func load_cmap;
|
|
|
670 |
TT_Load_Table_Func load_maxp;
|
|
|
671 |
TT_Load_Table_Func load_os2;
|
|
|
672 |
TT_Load_Table_Func load_post;
|
|
|
673 |
|
|
|
674 |
TT_Load_Table_Func load_name;
|
|
|
675 |
TT_Free_Table_Func free_name;
|
|
|
676 |
|
|
|
677 |
/* optional tables */
|
|
|
678 |
#ifdef FT_CONFIG_OPTION_OLD_INTERNALS
|
|
|
679 |
TT_Load_Table_Func load_hdmx_stub;
|
|
|
680 |
TT_Free_Table_Func free_hdmx_stub;
|
|
|
681 |
#endif
|
|
|
682 |
|
|
|
683 |
/* this field was called `load_kerning' up to version 2.1.10 */
|
|
|
684 |
TT_Load_Table_Func load_kern;
|
|
|
685 |
|
|
|
686 |
TT_Load_Table_Func load_gasp;
|
|
|
687 |
TT_Load_Table_Func load_pclt;
|
|
|
688 |
|
|
|
689 |
/* see `ttload.h'; this field was called `load_bitmap_header' up to */
|
|
|
690 |
/* version 2.1.10 */
|
|
|
691 |
TT_Load_Table_Func load_bhed;
|
|
|
692 |
|
|
|
693 |
#ifdef FT_CONFIG_OPTION_OLD_INTERNALS
|
|
|
694 |
|
|
|
695 |
/* see `ttsbit.h' */
|
|
|
696 |
TT_Set_SBit_Strike_OldFunc set_sbit_strike_stub;
|
|
|
697 |
TT_Load_Table_Func load_sbits_stub;
|
|
|
698 |
|
|
|
699 |
/*
|
|
|
700 |
* The following two fields appeared in version 2.1.8, and were placed
|
|
|
701 |
* between `load_sbits' and `load_sbit_image'. We support them as a
|
|
|
702 |
* special exception since they are used by Xfont library within the
|
|
|
703 |
* X.Org xserver, and because the probability that other rogue clients
|
|
|
704 |
* use the other version 2.1.7 fields below is _extremely_ low.
|
|
|
705 |
*
|
|
|
706 |
* Note that this forces us to disable an interesting memory-saving
|
|
|
707 |
* optimization though...
|
|
|
708 |
*/
|
|
|
709 |
|
|
|
710 |
TT_Find_SBit_Image_Func find_sbit_image;
|
|
|
711 |
TT_Load_SBit_Metrics_Func load_sbit_metrics;
|
|
|
712 |
|
|
|
713 |
#endif
|
|
|
714 |
|
|
|
715 |
TT_Load_SBit_Image_Func load_sbit_image;
|
|
|
716 |
|
|
|
717 |
#ifdef FT_CONFIG_OPTION_OLD_INTERNALS
|
|
|
718 |
TT_Free_Table_Func free_sbits_stub;
|
|
|
719 |
#endif
|
|
|
720 |
|
|
|
721 |
/* see `ttpost.h' */
|
|
|
722 |
TT_Get_PS_Name_Func get_psname;
|
|
|
723 |
TT_Free_Table_Func free_psnames;
|
|
|
724 |
|
|
|
725 |
#ifdef FT_CONFIG_OPTION_OLD_INTERNALS
|
|
|
726 |
TT_CharMap_Load_Func load_charmap_stub;
|
|
|
727 |
TT_CharMap_Free_Func free_charmap_stub;
|
|
|
728 |
#endif
|
|
|
729 |
|
|
|
730 |
/* starting here, the structure differs from version 2.1.7 */
|
|
|
731 |
|
|
|
732 |
/* this field was introduced in version 2.1.8, named `get_psname' */
|
|
|
733 |
TT_Face_GetKerningFunc get_kerning;
|
|
|
734 |
|
|
|
735 |
/* new elements introduced after version 2.1.10 */
|
|
|
736 |
|
|
|
737 |
/* load the font directory, i.e., the offset table and */
|
|
|
738 |
/* the table directory */
|
|
|
739 |
TT_Load_Table_Func load_font_dir;
|
|
|
740 |
TT_Load_Metrics_Func load_hmtx;
|
|
|
741 |
|
|
|
742 |
TT_Load_Table_Func load_eblc;
|
|
|
743 |
TT_Free_Table_Func free_eblc;
|
|
|
744 |
|
|
|
745 |
TT_Set_SBit_Strike_Func set_sbit_strike;
|
|
|
746 |
TT_Load_Strike_Metrics_Func load_strike_metrics;
|
|
|
747 |
|
|
|
748 |
TT_Get_Metrics_Func get_metrics;
|
|
|
749 |
|
|
|
750 |
} SFNT_Interface;
|
|
|
751 |
|
|
|
752 |
|
|
|
753 |
/* transitional */
|
|
|
754 |
typedef SFNT_Interface* SFNT_Service;
|
|
|
755 |
|
|
|
756 |
|
|
|
757 |
FT_END_HEADER
|
|
|
758 |
|
|
|
759 |
#endif /* __SFNT_H__ */
|
|
|
760 |
|
|
|
761 |
|
|
|
762 |
/* END */
|