diff options
Diffstat (limited to 'src/3rdparty/freetype/src/sfnt/ttcmap.c')
| -rw-r--r-- | src/3rdparty/freetype/src/sfnt/ttcmap.c | 42 |
1 files changed, 23 insertions, 19 deletions
diff --git a/src/3rdparty/freetype/src/sfnt/ttcmap.c b/src/3rdparty/freetype/src/sfnt/ttcmap.c index 683f3b1818..556a712199 100644 --- a/src/3rdparty/freetype/src/sfnt/ttcmap.c +++ b/src/3rdparty/freetype/src/sfnt/ttcmap.c @@ -4,7 +4,7 @@ * * TrueType character mapping table (cmap) support (body). * - * Copyright (C) 2002-2019 by + * Copyright (C) 2002-2020 by * David Turner, Robert Wilhelm, and Werner Lemberg. * * This file is part of the FreeType project, and may only be used, @@ -16,14 +16,13 @@ */ -#include <ft2build.h> -#include FT_INTERNAL_DEBUG_H +#include <freetype/internal/ftdebug.h> -#include "sferrors.h" /* must come before FT_INTERNAL_VALIDATE_H */ +#include "sferrors.h" /* must come before `ftvalid.h' */ -#include FT_INTERNAL_VALIDATE_H -#include FT_INTERNAL_STREAM_H -#include FT_SERVICE_POSTSCRIPT_CMAPS_H +#include <freetype/internal/ftvalid.h> +#include <freetype/internal/ftstream.h> +#include <freetype/internal/services/svpscmap.h> #include "ttload.h" #include "ttcmap.h" #include "ttpost.h" @@ -3752,6 +3751,7 @@ static const TT_CMap_Class tt_cmap_classes[] = { +#undef TTCMAPCITEM #define TTCMAPCITEM( a ) &a, #include "ttcmapc.h" NULL, @@ -3764,29 +3764,33 @@ FT_LOCAL_DEF( FT_Error ) tt_face_build_cmaps( TT_Face face ) { - FT_Byte* table = face->cmap_table; - FT_Byte* limit = table + face->cmap_size; + FT_Byte* const table = face->cmap_table; + FT_Byte* limit; FT_UInt volatile num_cmaps; - FT_Byte* volatile p = table; + FT_Byte* volatile p = table; FT_Library library = FT_FACE_LIBRARY( face ); FT_UNUSED( library ); - if ( !p || p + 4 > limit ) + if ( !p || face->cmap_size < 4 ) return FT_THROW( Invalid_Table ); - /* only recognize format 0 */ - if ( TT_NEXT_USHORT( p ) != 0 ) - { - FT_ERROR(( "tt_face_build_cmaps:" - " unsupported `cmap' table format = %d\n", - TT_PEEK_USHORT( p - 2 ) )); - return FT_THROW( Invalid_Table ); - } + /* Version 1.8.3 of the OpenType specification contains the following */ + /* (https://docs.microsoft.com/en-us/typography/opentype/spec/cmap): */ + /* */ + /* The 'cmap' table version number remains at 0x0000 for fonts that */ + /* make use of the newer subtable formats. */ + /* */ + /* This essentially means that a version format test is useless. */ + + /* ignore format */ + p += 2; num_cmaps = TT_NEXT_USHORT( p ); + FT_TRACE4(( "tt_face_build_cmaps: %d cmaps\n", num_cmaps )); + limit = table + face->cmap_size; for ( ; num_cmaps > 0 && p + 8 <= limit; num_cmaps-- ) { FT_CharMapRec charmap; |