975 lines
57 KiB
C
975 lines
57 KiB
C
/***************************************************************************/
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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 1996-2006, 2009, 2012 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, LICENSE.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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#ifdef FT_CONFIG_OPTION_OLD_INTERNALS
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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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/* astrike_index :: The index of the sbit strike. */
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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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/* sbit strike exists for the selected ppem values. */
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/* */
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typedef FT_Error
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(*TT_Set_SBit_Strike_OldFunc)( TT_Face face,
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FT_UInt x_ppem,
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FT_UInt y_ppem,
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FT_ULong* astrike_index );
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/*************************************************************************/
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/* */
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/* <FuncType> */
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/* TT_CharMap_Load_Func */
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/* */
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/* <Description> */
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/* Loads a given TrueType character map into memory. */
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/* */
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/* <Input> */
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/* face :: A handle to the parent face object. */
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/* */
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/* stream :: A handle to the current stream object. */
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/* */
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/* <InOut> */
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/* cmap :: A pointer to a cmap object. */
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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 function assumes that the stream is already in use (i.e., */
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/* opened). In case of error, all partially allocated tables are */
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/* released. */
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/* */
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typedef FT_Error
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(*TT_CharMap_Load_Func)( TT_Face face,
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void* cmap,
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FT_Stream input );
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/*************************************************************************/
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/* */
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/* <FuncType> */
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/* TT_CharMap_Free_Func */
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/* */
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/* <Description> */
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/* Destroys a character mapping table. */
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/* */
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/* <Input> */
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/* face :: A handle to the parent face object. */
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/* */
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/* cmap :: A handle to a cmap object. */
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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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typedef FT_Error
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(*TT_CharMap_Free_Func)( TT_Face face,
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void* cmap );
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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_Set_SBit_Strike_Func */
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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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/* astrike_index :: The index of the sbit strike. */
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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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/* sbit strike exists for the selected ppem values. */
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/* */
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typedef FT_Error
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(*TT_Set_SBit_Strike_Func)( TT_Face face,
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FT_Size_Request req,
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FT_ULong* astrike_index );
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/*************************************************************************/
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/* */
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/* <FuncType> */
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/* TT_Load_Strike_Metrics_Func */
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/* */
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/* <Description> */
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/* Load the metrics of 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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/* strike_index :: The strike index. */
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/* */
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/* <Output> */
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/* metrics :: the metrics of the strike. */
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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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/* such sbit strike exists. */
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/* */
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typedef FT_Error
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(*TT_Load_Strike_Metrics_Func)( TT_Face face,
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FT_ULong strike_index,
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FT_Size_Metrics* metrics );
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/*************************************************************************/
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/* */
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/* <FuncType> */
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/* TT_Get_PS_Name_Func */
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/* */
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/* <Description> */
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/* Get the PostScript glyph name of a glyph. */
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/* */
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/* <Input> */
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/* idx :: The glyph index. */
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/* */
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/* PSname :: The address of a string pointer. Will be NULL in case */
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/* of error, otherwise it is a pointer to the glyph name. */
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/* */
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/* You must not modify the returned string! */
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/* */
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/* <Output> */
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/* FreeType error code. 0 means success. */
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|
/* */
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typedef FT_Error
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(*TT_Get_PS_Name_Func)( TT_Face face,
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FT_UInt idx,
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FT_String** PSname );
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/*************************************************************************/
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/* */
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|
/* <FuncType> */
|
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/* TT_Load_Metrics_Func */
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/* */
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/* <Description> */
|
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/* Load a metrics table, which is a table with a horizontal and a */
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/* vertical version. */
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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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/* vertical :: A boolean flag. If set, load the vertical one. */
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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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typedef FT_Error
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(*TT_Load_Metrics_Func)( TT_Face face,
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FT_Stream stream,
|
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FT_Bool vertical );
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/*************************************************************************/
|
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/* */
|
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/* <FuncType> */
|
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/* TT_Get_Metrics_Func */
|
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/* */
|
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/* <Description> */
|
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/* Load the horizontal or vertical header in a face object. */
|
|
/* */
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/* <Input> */
|
|
/* face :: A handle to the target face object. */
|
|
/* */
|
|
/* stream :: The input stream. */
|
|
/* */
|
|
/* vertical :: A boolean flag. If set, load vertical metrics. */
|
|
/* */
|
|
/* <Return> */
|
|
/* FreeType error code. 0 means success. */
|
|
/* */
|
|
typedef FT_Error
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(*TT_Get_Metrics_Func)( TT_Face face,
|
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FT_Bool vertical,
|
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FT_UInt gindex,
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|
FT_Short* abearing,
|
|
FT_UShort* aadvance );
|
|
|
|
|
|
/*************************************************************************/
|
|
/* */
|
|
/* <FuncType> */
|
|
/* TT_Load_Table_Func */
|
|
/* */
|
|
/* <Description> */
|
|
/* Load a given TrueType table. */
|
|
/* */
|
|
/* <Input> */
|
|
/* face :: A handle to the target face object. */
|
|
/* */
|
|
/* stream :: The input stream. */
|
|
/* */
|
|
/* <Return> */
|
|
/* FreeType error code. 0 means success. */
|
|
/* */
|
|
/* <Note> */
|
|
/* The function uses `face->goto_table' to seek the stream to the */
|
|
/* start of the table, except while loading the font directory. */
|
|
/* */
|
|
typedef FT_Error
|
|
(*TT_Load_Table_Func)( TT_Face face,
|
|
FT_Stream stream );
|
|
|
|
|
|
/*************************************************************************/
|
|
/* */
|
|
/* <FuncType> */
|
|
/* TT_Free_Table_Func */
|
|
/* */
|
|
/* <Description> */
|
|
/* Free a given TrueType table. */
|
|
/* */
|
|
/* <Input> */
|
|
/* face :: A handle to the target face object. */
|
|
/* */
|
|
typedef void
|
|
(*TT_Free_Table_Func)( TT_Face face );
|
|
|
|
|
|
/*
|
|
* @functype:
|
|
* TT_Face_GetKerningFunc
|
|
*
|
|
* @description:
|
|
* Return the horizontal kerning value between two glyphs.
|
|
*
|
|
* @input:
|
|
* face :: A handle to the source face object.
|
|
* left_glyph :: The left glyph index.
|
|
* right_glyph :: The right glyph index.
|
|
*
|
|
* @return:
|
|
* The kerning value in font units.
|
|
*/
|
|
typedef FT_Int
|
|
(*TT_Face_GetKerningFunc)( TT_Face face,
|
|
FT_UInt left_glyph,
|
|
FT_UInt right_glyph );
|
|
|
|
|
|
/*************************************************************************/
|
|
/* */
|
|
/* <Struct> */
|
|
/* SFNT_Interface */
|
|
/* */
|
|
/* <Description> */
|
|
/* This structure holds pointers to the functions used to load and */
|
|
/* free the basic tables that are required in a `sfnt' font file. */
|
|
/* */
|
|
/* <Fields> */
|
|
/* Check the various xxx_Func() descriptions for details. */
|
|
/* */
|
|
typedef struct SFNT_Interface_
|
|
{
|
|
TT_Loader_GotoTableFunc goto_table;
|
|
|
|
TT_Init_Face_Func init_face;
|
|
TT_Load_Face_Func load_face;
|
|
TT_Done_Face_Func done_face;
|
|
FT_Module_Requester get_interface;
|
|
|
|
TT_Load_Any_Func load_any;
|
|
|
|
#ifdef FT_CONFIG_OPTION_OLD_INTERNALS
|
|
TT_Load_SFNT_HeaderRec_Func load_sfnt_header;
|
|
TT_Load_Directory_Func load_directory;
|
|
#endif
|
|
|
|
/* these functions are called by `load_face' but they can also */
|
|
/* be called from external modules, if there is a need to do so */
|
|
TT_Load_Table_Func load_head;
|
|
TT_Load_Metrics_Func load_hhea;
|
|
TT_Load_Table_Func load_cmap;
|
|
TT_Load_Table_Func load_maxp;
|
|
TT_Load_Table_Func load_os2;
|
|
TT_Load_Table_Func load_post;
|
|
|
|
TT_Load_Table_Func load_name;
|
|
TT_Free_Table_Func free_name;
|
|
|
|
/* optional tables */
|
|
#ifdef FT_CONFIG_OPTION_OLD_INTERNALS
|
|
TT_Load_Table_Func load_hdmx_stub;
|
|
TT_Free_Table_Func free_hdmx_stub;
|
|
#endif
|
|
|
|
/* this field was called `load_kerning' up to version 2.1.10 */
|
|
TT_Load_Table_Func load_kern;
|
|
|
|
TT_Load_Table_Func load_gasp;
|
|
TT_Load_Table_Func load_pclt;
|
|
|
|
/* see `ttload.h'; this field was called `load_bitmap_header' up to */
|
|
/* version 2.1.10 */
|
|
TT_Load_Table_Func load_bhed;
|
|
|
|
#ifdef FT_CONFIG_OPTION_OLD_INTERNALS
|
|
|
|
/* see `ttsbit.h' */
|
|
TT_Set_SBit_Strike_OldFunc set_sbit_strike_stub;
|
|
TT_Load_Table_Func load_sbits_stub;
|
|
|
|
/*
|
|
* The following two fields appeared in version 2.1.8, and were placed
|
|
* between `load_sbits' and `load_sbit_image'. We support them as a
|
|
* special exception since they are used by Xfont library within the
|
|
* X.Org xserver, and because the probability that other rogue clients
|
|
* use the other version 2.1.7 fields below is _extremely_ low.
|
|
*
|
|
* Note that this forces us to disable an interesting memory-saving
|
|
* optimization though...
|
|
*/
|
|
|
|
TT_Find_SBit_Image_Func find_sbit_image;
|
|
TT_Load_SBit_Metrics_Func load_sbit_metrics;
|
|
|
|
#endif
|
|
|
|
TT_Load_SBit_Image_Func load_sbit_image;
|
|
|
|
#ifdef FT_CONFIG_OPTION_OLD_INTERNALS
|
|
TT_Free_Table_Func free_sbits_stub;
|
|
#endif
|
|
|
|
/* see `ttpost.h' */
|
|
TT_Get_PS_Name_Func get_psname;
|
|
TT_Free_Table_Func free_psnames;
|
|
|
|
#ifdef FT_CONFIG_OPTION_OLD_INTERNALS
|
|
TT_CharMap_Load_Func load_charmap_stub;
|
|
TT_CharMap_Free_Func free_charmap_stub;
|
|
#endif
|
|
|
|
/* starting here, the structure differs from version 2.1.7 */
|
|
|
|
/* this field was introduced in version 2.1.8, named `get_psname' */
|
|
TT_Face_GetKerningFunc get_kerning;
|
|
|
|
/* new elements introduced after version 2.1.10 */
|
|
|
|
/* load the font directory, i.e., the offset table and */
|
|
/* the table directory */
|
|
TT_Load_Table_Func load_font_dir;
|
|
TT_Load_Metrics_Func load_hmtx;
|
|
|
|
TT_Load_Table_Func load_eblc;
|
|
TT_Free_Table_Func free_eblc;
|
|
|
|
TT_Set_SBit_Strike_Func set_sbit_strike;
|
|
TT_Load_Strike_Metrics_Func load_strike_metrics;
|
|
|
|
TT_Get_Metrics_Func get_metrics;
|
|
|
|
} SFNT_Interface;
|
|
|
|
|
|
/* transitional */
|
|
typedef SFNT_Interface* SFNT_Service;
|
|
|
|
#ifndef FT_CONFIG_OPTION_PIC
|
|
|
|
#ifdef FT_CONFIG_OPTION_OLD_INTERNALS
|
|
#define FT_DEFINE_DRIVERS_OLD_INTERNAL( a ) \
|
|
a,
|
|
#else
|
|
#define FT_DEFINE_DRIVERS_OLD_INTERNAL( a ) /* empty */
|
|
#endif
|
|
|
|
#define FT_INTERNAL( a ) \
|
|
a,
|
|
|
|
#define FT_DEFINE_SFNT_INTERFACE( \
|
|
class_, \
|
|
goto_table_, \
|
|
init_face_, \
|
|
load_face_, \
|
|
done_face_, \
|
|
get_interface_, \
|
|
load_any_, \
|
|
load_sfnt_header_, \
|
|
load_directory_, \
|
|
load_head_, \
|
|
load_hhea_, \
|
|
load_cmap_, \
|
|
load_maxp_, \
|
|
load_os2_, \
|
|
load_post_, \
|
|
load_name_, \
|
|
free_name_, \
|
|
load_hdmx_stub_, \
|
|
free_hdmx_stub_, \
|
|
load_kern_, \
|
|
load_gasp_, \
|
|
load_pclt_, \
|
|
load_bhed_, \
|
|
set_sbit_strike_stub_, \
|
|
load_sbits_stub_, \
|
|
find_sbit_image_, \
|
|
load_sbit_metrics_, \
|
|
load_sbit_image_, \
|
|
free_sbits_stub_, \
|
|
get_psname_, \
|
|
free_psnames_, \
|
|
load_charmap_stub_, \
|
|
free_charmap_stub_, \
|
|
get_kerning_, \
|
|
load_font_dir_, \
|
|
load_hmtx_, \
|
|
load_eblc_, \
|
|
free_eblc_, \
|
|
set_sbit_strike_, \
|
|
load_strike_metrics_, \
|
|
get_metrics_ ) \
|
|
static const SFNT_Interface class_ = \
|
|
{ \
|
|
FT_INTERNAL( goto_table_ ) \
|
|
FT_INTERNAL( init_face_ ) \
|
|
FT_INTERNAL( load_face_ ) \
|
|
FT_INTERNAL( done_face_ ) \
|
|
FT_INTERNAL( get_interface_ ) \
|
|
FT_INTERNAL( load_any_ ) \
|
|
FT_DEFINE_DRIVERS_OLD_INTERNAL( load_sfnt_header_ ) \
|
|
FT_DEFINE_DRIVERS_OLD_INTERNAL( load_directory_ ) \
|
|
FT_INTERNAL( load_head_ ) \
|
|
FT_INTERNAL( load_hhea_ ) \
|
|
FT_INTERNAL( load_cmap_ ) \
|
|
FT_INTERNAL( load_maxp_ ) \
|
|
FT_INTERNAL( load_os2_ ) \
|
|
FT_INTERNAL( load_post_ ) \
|
|
FT_INTERNAL( load_name_ ) \
|
|
FT_INTERNAL( free_name_ ) \
|
|
FT_DEFINE_DRIVERS_OLD_INTERNAL( load_hdmx_stub_ ) \
|
|
FT_DEFINE_DRIVERS_OLD_INTERNAL( free_hdmx_stub_ ) \
|
|
FT_INTERNAL( load_kern_ ) \
|
|
FT_INTERNAL( load_gasp_ ) \
|
|
FT_INTERNAL( load_pclt_ ) \
|
|
FT_INTERNAL( load_bhed_ ) \
|
|
FT_DEFINE_DRIVERS_OLD_INTERNAL( set_sbit_strike_stub_ ) \
|
|
FT_DEFINE_DRIVERS_OLD_INTERNAL( load_sbits_stub_ ) \
|
|
FT_DEFINE_DRIVERS_OLD_INTERNAL( find_sbit_image_ ) \
|
|
FT_DEFINE_DRIVERS_OLD_INTERNAL( load_sbit_metrics_ ) \
|
|
FT_INTERNAL( load_sbit_image_ ) \
|
|
FT_DEFINE_DRIVERS_OLD_INTERNAL( free_sbits_stub_ ) \
|
|
FT_INTERNAL( get_psname_ ) \
|
|
FT_INTERNAL( free_psnames_ ) \
|
|
FT_DEFINE_DRIVERS_OLD_INTERNAL( load_charmap_stub_ ) \
|
|
FT_DEFINE_DRIVERS_OLD_INTERNAL( free_charmap_stub_ ) \
|
|
FT_INTERNAL( get_kerning_ ) \
|
|
FT_INTERNAL( load_font_dir_ ) \
|
|
FT_INTERNAL( load_hmtx_ ) \
|
|
FT_INTERNAL( load_eblc_ ) \
|
|
FT_INTERNAL( free_eblc_ ) \
|
|
FT_INTERNAL( set_sbit_strike_ ) \
|
|
FT_INTERNAL( load_strike_metrics_ ) \
|
|
FT_INTERNAL( get_metrics_ ) \
|
|
};
|
|
|
|
#else /* FT_CONFIG_OPTION_PIC */
|
|
|
|
#ifdef FT_CONFIG_OPTION_OLD_INTERNALS
|
|
#define FT_DEFINE_DRIVERS_OLD_INTERNAL( a, a_ ) \
|
|
clazz->a = a_;
|
|
#else
|
|
#define FT_DEFINE_DRIVERS_OLD_INTERNAL( a, a_ ) /* empty */
|
|
#endif
|
|
|
|
#define FT_INTERNAL( a, a_ ) \
|
|
clazz->a = a_;
|
|
|
|
#define FT_DEFINE_SFNT_INTERFACE( \
|
|
class_, \
|
|
goto_table_, \
|
|
init_face_, \
|
|
load_face_, \
|
|
done_face_, \
|
|
get_interface_, \
|
|
load_any_, \
|
|
load_sfnt_header_, \
|
|
load_directory_, \
|
|
load_head_, \
|
|
load_hhea_, \
|
|
load_cmap_, \
|
|
load_maxp_, \
|
|
load_os2_, \
|
|
load_post_, \
|
|
load_name_, \
|
|
free_name_, \
|
|
load_hdmx_stub_, \
|
|
free_hdmx_stub_, \
|
|
load_kern_, \
|
|
load_gasp_, \
|
|
load_pclt_, \
|
|
load_bhed_, \
|
|
set_sbit_strike_stub_, \
|
|
load_sbits_stub_, \
|
|
find_sbit_image_, \
|
|
load_sbit_metrics_, \
|
|
load_sbit_image_, \
|
|
free_sbits_stub_, \
|
|
get_psname_, \
|
|
free_psnames_, \
|
|
load_charmap_stub_, \
|
|
free_charmap_stub_, \
|
|
get_kerning_, \
|
|
load_font_dir_, \
|
|
load_hmtx_, \
|
|
load_eblc_, \
|
|
free_eblc_, \
|
|
set_sbit_strike_, \
|
|
load_strike_metrics_, \
|
|
get_metrics_ ) \
|
|
void \
|
|
FT_Init_Class_ ## class_( FT_Library library, \
|
|
SFNT_Interface* clazz ) \
|
|
{ \
|
|
FT_UNUSED( library ); \
|
|
\
|
|
FT_INTERNAL( goto_table, goto_table_ ) \
|
|
FT_INTERNAL( init_face, init_face_ ) \
|
|
FT_INTERNAL( load_face, load_face_ ) \
|
|
FT_INTERNAL( done_face, done_face_ ) \
|
|
FT_INTERNAL( get_interface, get_interface_ ) \
|
|
FT_INTERNAL( load_any, load_any_ ) \
|
|
FT_DEFINE_DRIVERS_OLD_INTERNAL( load_sfnt_header, \
|
|
load_sfnt_header_ ) \
|
|
FT_DEFINE_DRIVERS_OLD_INTERNAL( load_directory, \
|
|
load_directory_ ) \
|
|
FT_INTERNAL( load_head, load_head_ ) \
|
|
FT_INTERNAL( load_hhea, load_hhea_ ) \
|
|
FT_INTERNAL( load_cmap, load_cmap_ ) \
|
|
FT_INTERNAL( load_maxp, load_maxp_ ) \
|
|
FT_INTERNAL( load_os2, load_os2_ ) \
|
|
FT_INTERNAL( load_post, load_post_ ) \
|
|
FT_INTERNAL( load_name, load_name_ ) \
|
|
FT_INTERNAL( free_name, free_name_ ) \
|
|
FT_DEFINE_DRIVERS_OLD_INTERNAL( load_hdmx_stub, \
|
|
load_hdmx_stub_ ) \
|
|
FT_DEFINE_DRIVERS_OLD_INTERNAL( free_hdmx_stub, \
|
|
free_hdmx_stub_ ) \
|
|
FT_INTERNAL( load_kern, load_kern_ ) \
|
|
FT_INTERNAL( load_gasp, load_gasp_ ) \
|
|
FT_INTERNAL( load_pclt, load_pclt_ ) \
|
|
FT_INTERNAL( load_bhed, load_bhed_ ) \
|
|
FT_DEFINE_DRIVERS_OLD_INTERNAL( set_sbit_strike_stub, \
|
|
set_sbit_strike_stub_ ) \
|
|
FT_DEFINE_DRIVERS_OLD_INTERNAL( load_sbits_stub, \
|
|
load_sbits_stub_ ) \
|
|
FT_DEFINE_DRIVERS_OLD_INTERNAL( find_sbit_image, \
|
|
find_sbit_image_ ) \
|
|
FT_DEFINE_DRIVERS_OLD_INTERNAL( load_sbit_metrics, \
|
|
load_sbit_metrics_ ) \
|
|
FT_INTERNAL( load_sbit_image, load_sbit_image_ ) \
|
|
FT_DEFINE_DRIVERS_OLD_INTERNAL( free_sbits_stub, \
|
|
free_sbits_stub_ ) \
|
|
FT_INTERNAL( get_psname, get_psname_ ) \
|
|
FT_INTERNAL( free_psnames, free_psnames_ ) \
|
|
FT_DEFINE_DRIVERS_OLD_INTERNAL( load_charmap_stub, \
|
|
load_charmap_stub_ ) \
|
|
FT_DEFINE_DRIVERS_OLD_INTERNAL( free_charmap_stub, \
|
|
free_charmap_stub_ ) \
|
|
FT_INTERNAL( get_kerning, get_kerning_ ) \
|
|
FT_INTERNAL( load_font_dir, load_font_dir_ ) \
|
|
FT_INTERNAL( load_hmtx, load_hmtx_ ) \
|
|
FT_INTERNAL( load_eblc, load_eblc_ ) \
|
|
FT_INTERNAL( free_eblc, free_eblc_ ) \
|
|
FT_INTERNAL( set_sbit_strike, set_sbit_strike_ ) \
|
|
FT_INTERNAL( load_strike_metrics, load_strike_metrics_ ) \
|
|
FT_INTERNAL( get_metrics, get_metrics_ ) \
|
|
}
|
|
|
|
#endif /* FT_CONFIG_OPTION_PIC */
|
|
|
|
FT_END_HEADER
|
|
|
|
#endif /* __SFNT_H__ */
|
|
|
|
|
|
/* END */
|