849 lines
28 KiB
C
849 lines
28 KiB
C
/***************************************************************************/
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/* */
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/* sfobjs.c */
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/* */
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/* SFNT object management (base). */
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/* */
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/* Copyright 1996-2001, 2002 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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#include <ft2build.h>
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#include "sfobjs.h"
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#include "ttload.h"
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#include "ttcmap0.h"
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#include FT_INTERNAL_SFNT_H
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#include FT_INTERNAL_POSTSCRIPT_NAMES_H
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#include FT_TRUETYPE_IDS_H
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#include FT_TRUETYPE_TAGS_H
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#include "sferrors.h"
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/*************************************************************************/
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/* */
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/* The macro FT_COMPONENT is used in trace mode. It is an implicit */
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/* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */
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/* messages during execution. */
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/* */
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#undef FT_COMPONENT
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#define FT_COMPONENT trace_sfobjs
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/* convert a UTF-16 name entry to ASCII */
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static FT_String*
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tt_name_entry_ascii_from_utf16( TT_NameEntry entry,
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FT_Memory memory )
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{
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FT_String* string;
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FT_UInt len, code, n;
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FT_Byte* read = (FT_Byte*)entry->string;
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len = (FT_UInt)entry->stringLength / 2;
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if ( FT_MEM_NEW_ARRAY( string, len + 1 ) )
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return NULL;
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for ( n = 0; n < len; n++ )
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{
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code = FT_NEXT_USHORT( read );
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if ( code < 32 || code > 127 )
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code = '?';
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string[n] = (char)code;
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}
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string[len] = 0;
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return string;
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}
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/* convert a UCS-4 name entry to ASCII */
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static FT_String*
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tt_name_entry_ascii_from_ucs4( TT_NameEntry entry,
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FT_Memory memory )
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{
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FT_String* string;
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FT_UInt len, code, n;
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FT_Byte* read = (FT_Byte*)entry->string;
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len = (FT_UInt)entry->stringLength / 4;
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if ( FT_MEM_NEW_ARRAY( string, len + 1 ) )
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return NULL;
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for ( n = 0; n < len; n++ )
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{
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code = FT_NEXT_ULONG( read );
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if ( code < 32 || code > 127 )
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code = '?';
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string[n] = (char)code;
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}
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string[len] = 0;
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return string;
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}
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/* convert an Apple Roman or symbol name entry to ASCII */
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static FT_String*
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tt_name_entry_ascii_from_other( TT_NameEntry entry,
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FT_Memory memory )
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{
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FT_String* string;
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FT_UInt len, code, n;
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FT_Byte* read = (FT_Byte*)entry->string;
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len = (FT_UInt)entry->stringLength;
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if ( FT_MEM_NEW_ARRAY( string, len + 1 ) )
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return NULL;
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for ( n = 0; n < len; n++ )
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{
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code = *read++;
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if ( code < 32 || code > 127 )
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code = '?';
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string[n] = (char)code;
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}
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string[len] = 0;
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return string;
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}
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/*************************************************************************/
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/* */
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/* <Function> */
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/* tt_face_get_name */
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/* */
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/* <Description> */
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/* Returns a given ENGLISH name record in ASCII. */
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/* */
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/* <Input> */
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/* face :: A handle to the source face object. */
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/* */
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/* nameid :: The name id of the name record to return. */
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/* */
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/* <Return> */
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/* Character string. NULL if no name is present. */
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/* */
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static FT_String*
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tt_face_get_name( TT_Face face,
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FT_UShort nameid )
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{
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FT_Memory memory = face->root.memory;
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FT_String* result = NULL;
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FT_UShort n;
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TT_NameEntryRec* rec;
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FT_Int found_apple = -1;
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FT_Int found_win = -1;
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FT_Int found_unicode = -1;
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rec = face->name_table.names;
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for ( n = 0; n < face->num_names; n++, rec++ )
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{
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/* According to the OpenType 1.3 specification, only Microsoft or */
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/* Apple platform IDs might be used in the `name' table. The */
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/* `Unicode' platform is reserved for the `cmap' table, and the */
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/* `Iso' one is deprecated. */
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/* */
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/* However, the Apple TrueType specification doesn't say the same */
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/* thing and goes to suggest that all Unicode `name' table entries */
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/* should be coded in UTF-16 (in big-endian format I suppose). */
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/* */
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if ( rec->nameID == nameid && rec->string )
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{
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switch ( rec->platformID )
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{
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case TT_PLATFORM_APPLE_UNICODE:
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case TT_PLATFORM_ISO:
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/* there is `languageID' to check there. We should use this */
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/* field only as a last solution when nothing else is */
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/* available. */
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/* */
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found_unicode = n;
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break;
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case TT_PLATFORM_MACINTOSH:
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if ( rec->languageID == TT_MAC_LANGID_ENGLISH )
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found_apple = n;
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break;
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case TT_PLATFORM_MICROSOFT:
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/* we only take a non-English name when there is nothing */
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/* else available in the font */
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/* */
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if ( found_win == -1 || ( rec->languageID & 0x3FF ) == 0x009 )
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{
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switch ( rec->encodingID )
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{
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case TT_MS_ID_SYMBOL_CS:
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case TT_MS_ID_UNICODE_CS:
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case TT_MS_ID_UCS_4:
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found_win = n;
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break;
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default:
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;
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}
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}
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break;
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default:
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;
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}
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}
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}
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/* some fonts contain invalid Unicode or Macintosh formatted entries; */
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/* we will thus favor names encoded in Windows formats if available */
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/* */
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if ( found_win >= 0 )
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{
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rec = face->name_table.names + found_win;
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switch ( rec->encodingID )
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{
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case TT_MS_ID_UNICODE_CS:
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case TT_MS_ID_SYMBOL_CS:
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result = tt_name_entry_ascii_from_utf16( rec, memory );
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break;
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case TT_MS_ID_UCS_4:
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result = tt_name_entry_ascii_from_ucs4( rec, memory );
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break;
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default:
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;
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}
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}
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else if ( found_apple >= 0 )
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{
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rec = face->name_table.names + found_apple;
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result = tt_name_entry_ascii_from_other( rec, memory );
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}
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else if ( found_unicode >= 0 )
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{
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rec = face->name_table.names + found_unicode;
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result = tt_name_entry_ascii_from_utf16( rec, memory );
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}
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return result;
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}
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static FT_Encoding
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sfnt_find_encoding( int platform_id,
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int encoding_id )
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{
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typedef struct TEncoding
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{
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int platform_id;
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int encoding_id;
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FT_Encoding encoding;
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} TEncoding;
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static
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const TEncoding tt_encodings[] =
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{
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{ TT_PLATFORM_ISO, -1, ft_encoding_unicode },
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{ TT_PLATFORM_APPLE_UNICODE, -1, ft_encoding_unicode },
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{ TT_PLATFORM_MACINTOSH, TT_MAC_ID_ROMAN, ft_encoding_apple_roman },
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{ TT_PLATFORM_MICROSOFT, TT_MS_ID_SYMBOL_CS, ft_encoding_symbol },
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{ TT_PLATFORM_MICROSOFT, TT_MS_ID_UCS_4, ft_encoding_unicode },
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{ TT_PLATFORM_MICROSOFT, TT_MS_ID_UNICODE_CS, ft_encoding_unicode },
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{ TT_PLATFORM_MICROSOFT, TT_MS_ID_SJIS, ft_encoding_sjis },
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{ TT_PLATFORM_MICROSOFT, TT_MS_ID_GB2312, ft_encoding_gb2312 },
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{ TT_PLATFORM_MICROSOFT, TT_MS_ID_BIG_5, ft_encoding_big5 },
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{ TT_PLATFORM_MICROSOFT, TT_MS_ID_WANSUNG, ft_encoding_wansung },
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{ TT_PLATFORM_MICROSOFT, TT_MS_ID_JOHAB, ft_encoding_johab }
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};
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const TEncoding *cur, *limit;
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cur = tt_encodings;
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limit = cur + sizeof ( tt_encodings ) / sizeof ( tt_encodings[0] );
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for ( ; cur < limit; cur++ )
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{
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if ( cur->platform_id == platform_id )
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{
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if ( cur->encoding_id == encoding_id ||
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cur->encoding_id == -1 )
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return cur->encoding;
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}
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}
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return ft_encoding_none;
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}
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FT_LOCAL_DEF( FT_Error )
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SFNT_Init_Face( 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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FT_Error error;
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FT_Library library = face->root.driver->root.library;
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SFNT_Service sfnt;
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SFNT_HeaderRec sfnt_header;
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/* for now, parameters are unused */
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FT_UNUSED( num_params );
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FT_UNUSED( params );
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sfnt = (SFNT_Service)face->sfnt;
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if ( !sfnt )
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{
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sfnt = (SFNT_Service)FT_Get_Module_Interface( library, "sfnt" );
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if ( !sfnt )
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{
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error = SFNT_Err_Invalid_File_Format;
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goto Exit;
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}
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face->sfnt = sfnt;
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face->goto_table = sfnt->goto_table;
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}
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if ( !face->psnames )
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{
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face->psnames = (PSNames_Service)
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FT_Get_Module_Interface( library, "psnames" );
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}
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/* check that we have a valid TrueType file */
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error = sfnt->load_sfnt_header( face, stream, face_index, &sfnt_header );
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if ( error )
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goto Exit;
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face->format_tag = sfnt_header.format_tag;
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face->num_tables = sfnt_header.num_tables;
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/* Load font directory */
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error = sfnt->load_directory( face, stream, &sfnt_header );
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if ( error )
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goto Exit;
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|
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face->root.num_faces = face->ttc_header.count;
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if ( face->root.num_faces < 1 )
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face->root.num_faces = 1;
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Exit:
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return error;
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}
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#undef LOAD_
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#define LOAD_( x ) ( ( error = sfnt->load_##x( face, stream ) ) \
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!= SFNT_Err_Ok )
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FT_LOCAL_DEF( FT_Error )
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SFNT_Load_Face( 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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FT_Error error;
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FT_Bool has_outline;
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FT_Bool is_apple_sbit;
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|
|
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SFNT_Service sfnt = (SFNT_Service)face->sfnt;
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|
|
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FT_UNUSED( face_index );
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FT_UNUSED( num_params );
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FT_UNUSED( params );
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|
|
|
|
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/* Load tables */
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|
|
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/* We now support two SFNT-based bitmapped font formats. They */
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/* are recognized easily as they do not include a `glyf' */
|
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/* table. */
|
|
/* */
|
|
/* The first format comes from Apple, and uses a table named */
|
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/* `bhed' instead of `head' to store the font header (using */
|
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/* the same format). It also doesn't include horizontal and */
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/* vertical metrics tables (i.e. `hhea' and `vhea' tables are */
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/* missing). */
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/* */
|
|
/* The other format comes from Microsoft, and is used with */
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/* WinCE/PocketPC. It looks like a standard TTF, except that */
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/* it doesn't contain outlines. */
|
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/* */
|
|
|
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/* do we have outlines in there? */
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has_outline = FT_BOOL( ( TT_LookUp_Table( face, TTAG_glyf ) != 0 ) ||
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( TT_LookUp_Table( face, TTAG_CFF ) != 0 ) );
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is_apple_sbit = 0;
|
|
|
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#ifdef TT_CONFIG_OPTION_EMBEDDED_BITMAPS
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|
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/* if this font doesn't contain outlines, we try to load */
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/* a `bhed' table */
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if ( !has_outline )
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is_apple_sbit = FT_BOOL( !LOAD_( bitmap_header ) );
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|
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#endif /* TT_CONFIG_OPTION_EMBEDDED_BITMAPS */
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|
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/* load the font header (`head' table) if this isn't an Apple */
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/* sbit font file */
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if ( !is_apple_sbit && LOAD_( header ) )
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goto Exit;
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|
|
|
/* the following tables are often not present in embedded TrueType */
|
|
/* fonts within PDF documents, so don't check for them. */
|
|
(void)LOAD_( max_profile );
|
|
(void)LOAD_( charmaps );
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|
|
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/* the following tables are optional in PCL fonts -- */
|
|
/* don't check for errors */
|
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(void)LOAD_( names );
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(void)LOAD_( psnames );
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|
|
|
/* do not load the metrics headers and tables if this is an Apple */
|
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/* sbit font file */
|
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if ( !is_apple_sbit )
|
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{
|
|
/* load the `hhea' and `hmtx' tables at once */
|
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error = sfnt->load_metrics( face, stream, 0 );
|
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if ( error )
|
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goto Exit;
|
|
|
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/* try to load the `vhea' and `vmtx' tables at once */
|
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error = sfnt->load_metrics( face, stream, 1 );
|
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if ( error )
|
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goto Exit;
|
|
|
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if ( LOAD_( os2 ) )
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goto Exit;
|
|
}
|
|
|
|
/* the optional tables */
|
|
|
|
#ifdef TT_CONFIG_OPTION_EMBEDDED_BITMAPS
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|
|
|
/* embedded bitmap support. */
|
|
if ( sfnt->load_sbits && LOAD_( sbits ) )
|
|
{
|
|
/* return an error if this font file has no outlines */
|
|
if ( error == SFNT_Err_Table_Missing && has_outline )
|
|
error = SFNT_Err_Ok;
|
|
else
|
|
goto Exit;
|
|
}
|
|
|
|
#endif /* TT_CONFIG_OPTION_EMBEDDED_BITMAPS */
|
|
|
|
if ( LOAD_( hdmx ) ||
|
|
LOAD_( gasp ) ||
|
|
LOAD_( kerning ) ||
|
|
LOAD_( pclt ) )
|
|
goto Exit;
|
|
|
|
face->root.family_name = tt_face_get_name( face,
|
|
TT_NAME_ID_FONT_FAMILY );
|
|
face->root.style_name = tt_face_get_name( face,
|
|
TT_NAME_ID_FONT_SUBFAMILY );
|
|
|
|
/* now set up root fields */
|
|
{
|
|
FT_Face root = &face->root;
|
|
FT_Int flags = 0;
|
|
FT_Int n;
|
|
FT_Memory memory;
|
|
|
|
|
|
memory = root->memory;
|
|
|
|
/*********************************************************************/
|
|
/* */
|
|
/* Compute face flags. */
|
|
/* */
|
|
if ( has_outline == TRUE )
|
|
flags = FT_FACE_FLAG_SCALABLE; /* scalable outlines */
|
|
|
|
flags |= FT_FACE_FLAG_SFNT | /* SFNT file format */
|
|
FT_FACE_FLAG_HORIZONTAL; /* horizontal data */
|
|
|
|
#ifdef TT_CONFIG_OPTION_POSTSCRIPT_NAMES
|
|
/* might need more polish to detect the presence of a Postscript */
|
|
/* name table in the font */
|
|
flags |= FT_FACE_FLAG_GLYPH_NAMES;
|
|
#endif
|
|
|
|
/* fixed width font? */
|
|
if ( face->postscript.isFixedPitch )
|
|
flags |= FT_FACE_FLAG_FIXED_WIDTH;
|
|
|
|
/* vertical information? */
|
|
if ( face->vertical_info )
|
|
flags |= FT_FACE_FLAG_VERTICAL;
|
|
|
|
/* kerning available ? */
|
|
if ( face->kern_pairs )
|
|
flags |= FT_FACE_FLAG_KERNING;
|
|
|
|
root->face_flags = flags;
|
|
|
|
/*********************************************************************/
|
|
/* */
|
|
/* Compute style flags. */
|
|
/* */
|
|
flags = 0;
|
|
if ( has_outline == TRUE && face->os2.version != 0xFFFF )
|
|
{
|
|
/* we have an OS/2 table; use the `fsSelection' field */
|
|
if ( face->os2.fsSelection & 1 )
|
|
flags |= FT_STYLE_FLAG_ITALIC;
|
|
|
|
if ( face->os2.fsSelection & 32 )
|
|
flags |= FT_STYLE_FLAG_BOLD;
|
|
}
|
|
else
|
|
{
|
|
/* this is an old Mac font, use the header field */
|
|
if ( face->header.Mac_Style & 1 )
|
|
flags |= FT_STYLE_FLAG_BOLD;
|
|
|
|
if ( face->header.Mac_Style & 2 )
|
|
flags |= FT_STYLE_FLAG_ITALIC;
|
|
}
|
|
|
|
root->style_flags = flags;
|
|
|
|
/*********************************************************************/
|
|
/* */
|
|
/* Polish the charmaps. */
|
|
/* */
|
|
/* Try to set the charmap encoding according to the platform & */
|
|
/* encoding ID of each charmap. */
|
|
/* */
|
|
#ifdef FT_CONFIG_OPTION_USE_CMAPS
|
|
|
|
TT_Build_CMaps( face ); /* ignore errors */
|
|
|
|
|
|
/* set the encoding fields */
|
|
{
|
|
FT_Int m;
|
|
|
|
|
|
for ( m = 0; m < root->num_charmaps; m++ )
|
|
{
|
|
FT_CharMap charmap = root->charmaps[m];
|
|
|
|
|
|
charmap->encoding = sfnt_find_encoding( charmap->platform_id,
|
|
charmap->encoding_id );
|
|
|
|
if ( root->charmap == NULL &&
|
|
charmap->encoding == ft_encoding_unicode )
|
|
{
|
|
/* set 'root->charmap' to the first Unicode encoding we find */
|
|
root->charmap = charmap;
|
|
}
|
|
}
|
|
}
|
|
|
|
#else /* !FT_CONFIG_OPTION_USE_CMAPS */
|
|
|
|
{
|
|
TT_CharMap charmap = face->charmaps;
|
|
|
|
|
|
charmap = face->charmaps;
|
|
root->num_charmaps = face->num_charmaps;
|
|
|
|
/* allocate table of pointers */
|
|
if ( FT_NEW_ARRAY( root->charmaps, root->num_charmaps ) )
|
|
goto Exit;
|
|
|
|
for ( n = 0; n < root->num_charmaps; n++, charmap++ )
|
|
{
|
|
FT_Int platform = charmap->cmap.platformID;
|
|
FT_Int encoding = charmap->cmap.platformEncodingID;
|
|
|
|
|
|
charmap->root.face = (FT_Face)face;
|
|
charmap->root.platform_id = (FT_UShort)platform;
|
|
charmap->root.encoding_id = (FT_UShort)encoding;
|
|
charmap->root.encoding = sfnt_find_encoding( platform, encoding );
|
|
|
|
/* now, set root->charmap with a unicode charmap */
|
|
/* wherever available */
|
|
if ( !root->charmap &&
|
|
charmap->root.encoding == ft_encoding_unicode )
|
|
root->charmap = (FT_CharMap)charmap;
|
|
|
|
root->charmaps[n] = (FT_CharMap)charmap;
|
|
}
|
|
}
|
|
|
|
#endif /* !FT_CONFIG_OPTION_USE_CMAPS */
|
|
|
|
|
|
#ifdef TT_CONFIG_OPTION_EMBEDDED_BITMAPS
|
|
|
|
if ( face->num_sbit_strikes )
|
|
{
|
|
root->face_flags |= FT_FACE_FLAG_FIXED_SIZES;
|
|
|
|
#if 0
|
|
/* XXX: I don't know criteria whether layout is horizontal */
|
|
/* or vertical. */
|
|
if ( has_outline.... )
|
|
{
|
|
...
|
|
root->face_flags |= FT_FACE_FLAG_VERTICAL;
|
|
}
|
|
#endif
|
|
root->num_fixed_sizes = face->num_sbit_strikes;
|
|
|
|
if ( FT_NEW_ARRAY( root->available_sizes, face->num_sbit_strikes ) )
|
|
goto Exit;
|
|
|
|
for ( n = 0 ; n < face->num_sbit_strikes ; n++ )
|
|
{
|
|
root->available_sizes[n].width =
|
|
face->sbit_strikes[n].x_ppem;
|
|
|
|
root->available_sizes[n].height =
|
|
face->sbit_strikes[n].y_ppem;
|
|
}
|
|
}
|
|
else
|
|
|
|
#endif /* TT_CONFIG_OPTION_EMBEDDED_BITMAPS */
|
|
|
|
{
|
|
root->num_fixed_sizes = 0;
|
|
root->available_sizes = 0;
|
|
}
|
|
|
|
/*********************************************************************/
|
|
/* */
|
|
/* Set up metrics. */
|
|
/* */
|
|
if ( has_outline == TRUE )
|
|
{
|
|
/* XXX What about if outline header is missing */
|
|
/* (e.g. sfnt wrapped outline)? */
|
|
root->bbox.xMin = face->header.xMin;
|
|
root->bbox.yMin = face->header.yMin;
|
|
root->bbox.xMax = face->header.xMax;
|
|
root->bbox.yMax = face->header.yMax;
|
|
root->units_per_EM = face->header.Units_Per_EM;
|
|
|
|
|
|
/* XXX: Computing the ascender/descender/height is very different */
|
|
/* from what the specification tells you. Apparently, we */
|
|
/* must be careful because */
|
|
/* */
|
|
/* - not all fonts have an OS/2 table; in this case, we take */
|
|
/* the values in the horizontal header. However, these */
|
|
/* values very often are not reliable. */
|
|
/* */
|
|
/* - otherwise, the correct typographic values are in the */
|
|
/* sTypoAscender, sTypoDescender & sTypoLineGap fields. */
|
|
/* */
|
|
/* However, certains fonts have these fields set to 0. */
|
|
/* Rather, they have usWinAscent & usWinDescent correctly */
|
|
/* set (but with different values). */
|
|
/* */
|
|
/* As an example, Arial Narrow is implemented through four */
|
|
/* files ARIALN.TTF, ARIALNI.TTF, ARIALNB.TTF & ARIALNBI.TTF */
|
|
/* */
|
|
/* Strangely, all fonts have the same values in their */
|
|
/* sTypoXXX fields, except ARIALNB which sets them to 0. */
|
|
/* */
|
|
/* On the other hand, they all have different */
|
|
/* usWinAscent/Descent values -- as a conclusion, the OS/2 */
|
|
/* table cannot be used to compute the text height reliably! */
|
|
/* */
|
|
|
|
/* The ascender/descender/height are computed from the OS/2 table */
|
|
/* when found. Otherwise, they're taken from the horizontal */
|
|
/* header. */
|
|
/* */
|
|
|
|
root->ascender = face->horizontal.Ascender;
|
|
root->descender = face->horizontal.Descender;
|
|
|
|
root->height = (FT_Short)( root->ascender - root->descender +
|
|
face->horizontal.Line_Gap );
|
|
|
|
/* if the line_gap is 0, we add an extra 15% to the text height -- */
|
|
/* this computation is based on various versions of Times New Roman */
|
|
if ( face->horizontal.Line_Gap == 0 )
|
|
root->height = (FT_Short)( ( root->height * 115 + 50 ) / 100 );
|
|
|
|
#if 0
|
|
|
|
/* some fonts have the OS/2 "sTypoAscender", "sTypoDescender" & */
|
|
/* "sTypoLineGap" fields set to 0, like ARIALNB.TTF */
|
|
if ( face->os2.version != 0xFFFF && root->ascender )
|
|
{
|
|
FT_Int height;
|
|
|
|
|
|
root->ascender = face->os2.sTypoAscender;
|
|
root->descender = -face->os2.sTypoDescender;
|
|
|
|
height = root->ascender + root->descender + face->os2.sTypoLineGap;
|
|
if ( height > root->height )
|
|
root->height = height;
|
|
}
|
|
|
|
#endif /* 0 */
|
|
|
|
root->max_advance_width = face->horizontal.advance_Width_Max;
|
|
|
|
root->max_advance_height = (FT_Short)( face->vertical_info
|
|
? face->vertical.advance_Height_Max
|
|
: root->height );
|
|
|
|
root->underline_position = face->postscript.underlinePosition;
|
|
root->underline_thickness = face->postscript.underlineThickness;
|
|
|
|
/* root->max_points -- already set up */
|
|
/* root->max_contours -- already set up */
|
|
}
|
|
}
|
|
|
|
Exit:
|
|
return error;
|
|
}
|
|
|
|
|
|
#undef LOAD_
|
|
|
|
|
|
FT_LOCAL_DEF( void )
|
|
SFNT_Done_Face( TT_Face face )
|
|
{
|
|
FT_Memory memory = face->root.memory;
|
|
SFNT_Service sfnt = (SFNT_Service)face->sfnt;
|
|
|
|
|
|
if ( sfnt )
|
|
{
|
|
/* destroy the postscript names table if it is loaded */
|
|
if ( sfnt->free_psnames )
|
|
sfnt->free_psnames( face );
|
|
|
|
/* destroy the embedded bitmaps table if it is loaded */
|
|
if ( sfnt->free_sbits )
|
|
sfnt->free_sbits( face );
|
|
}
|
|
|
|
/* freeing the kerning table */
|
|
FT_FREE( face->kern_pairs );
|
|
face->num_kern_pairs = 0;
|
|
|
|
/* freeing the collection table */
|
|
FT_FREE( face->ttc_header.offsets );
|
|
face->ttc_header.count = 0;
|
|
|
|
/* freeing table directory */
|
|
FT_FREE( face->dir_tables );
|
|
face->num_tables = 0;
|
|
|
|
#ifdef FT_CONFIG_OPTION_USE_CMAPS
|
|
|
|
{
|
|
FT_Stream stream = FT_FACE_STREAM( face );
|
|
|
|
|
|
/* simply release the 'cmap' table frame */
|
|
FT_FRAME_RELEASE( face->cmap_table );
|
|
face->cmap_size = 0;
|
|
}
|
|
|
|
#else /* !FT_CONFIG_OPTION_USE_CMAPS */
|
|
|
|
/* freeing the character mapping tables */
|
|
if ( sfnt && sfnt->load_charmaps )
|
|
{
|
|
FT_UShort n;
|
|
|
|
|
|
for ( n = 0; n < face->num_charmaps; n++ )
|
|
sfnt->free_charmap( face, &face->charmaps[n].cmap );
|
|
}
|
|
|
|
FT_FREE( face->charmaps );
|
|
face->num_charmaps = 0;
|
|
|
|
FT_FREE( face->root.charmaps );
|
|
face->root.num_charmaps = 0;
|
|
face->root.charmap = 0;
|
|
|
|
#endif /* !FT_CONFIG_OPTION_USE_CMAPS */
|
|
|
|
/* freeing the horizontal metrics */
|
|
FT_FREE( face->horizontal.long_metrics );
|
|
FT_FREE( face->horizontal.short_metrics );
|
|
|
|
/* freeing the vertical ones, if any */
|
|
if ( face->vertical_info )
|
|
{
|
|
FT_FREE( face->vertical.long_metrics );
|
|
FT_FREE( face->vertical.short_metrics );
|
|
face->vertical_info = 0;
|
|
}
|
|
|
|
/* freeing the gasp table */
|
|
FT_FREE( face->gasp.gaspRanges );
|
|
face->gasp.numRanges = 0;
|
|
|
|
/* freeing the name table */
|
|
sfnt->free_names( face );
|
|
|
|
/* freeing the hdmx table */
|
|
sfnt->free_hdmx( face );
|
|
|
|
/* freeing family and style name */
|
|
FT_FREE( face->root.family_name );
|
|
FT_FREE( face->root.style_name );
|
|
|
|
/* freeing sbit size table */
|
|
face->root.num_fixed_sizes = 0;
|
|
if ( face->root.available_sizes )
|
|
FT_FREE( face->root.available_sizes );
|
|
|
|
face->sfnt = 0;
|
|
}
|
|
|
|
|
|
/* END */
|