diff options
Diffstat (limited to 'src/3rdparty/freetype/src/cid')
-rw-r--r-- | src/3rdparty/freetype/src/cid/ciderrs.h | 2 | ||||
-rw-r--r-- | src/3rdparty/freetype/src/cid/cidgload.c | 169 | ||||
-rw-r--r-- | src/3rdparty/freetype/src/cid/cidgload.h | 10 | ||||
-rw-r--r-- | src/3rdparty/freetype/src/cid/cidload.c | 171 | ||||
-rw-r--r-- | src/3rdparty/freetype/src/cid/cidload.h | 4 | ||||
-rw-r--r-- | src/3rdparty/freetype/src/cid/cidobjs.c | 33 | ||||
-rw-r--r-- | src/3rdparty/freetype/src/cid/cidobjs.h | 2 | ||||
-rw-r--r-- | src/3rdparty/freetype/src/cid/cidparse.c | 24 | ||||
-rw-r--r-- | src/3rdparty/freetype/src/cid/cidparse.h | 4 | ||||
-rw-r--r-- | src/3rdparty/freetype/src/cid/cidriver.c | 99 | ||||
-rw-r--r-- | src/3rdparty/freetype/src/cid/cidriver.h | 2 | ||||
-rw-r--r-- | src/3rdparty/freetype/src/cid/cidtoken.h | 2 | ||||
-rw-r--r-- | src/3rdparty/freetype/src/cid/module.mk | 2 | ||||
-rw-r--r-- | src/3rdparty/freetype/src/cid/rules.mk | 2 | ||||
-rw-r--r-- | src/3rdparty/freetype/src/cid/type1cid.c | 2 |
15 files changed, 336 insertions, 192 deletions
diff --git a/src/3rdparty/freetype/src/cid/ciderrs.h b/src/3rdparty/freetype/src/cid/ciderrs.h index f698bb2293..40a1097d0a 100644 --- a/src/3rdparty/freetype/src/cid/ciderrs.h +++ b/src/3rdparty/freetype/src/cid/ciderrs.h @@ -4,7 +4,7 @@ * * CID error codes (specification only). * - * Copyright (C) 2001-2020 by + * Copyright (C) 2001-2023 by * David Turner, Robert Wilhelm, and Werner Lemberg. * * This file is part of the FreeType project, and may only be used, diff --git a/src/3rdparty/freetype/src/cid/cidgload.c b/src/3rdparty/freetype/src/cid/cidgload.c index 54aa62f810..eaca765ad0 100644 --- a/src/3rdparty/freetype/src/cid/cidgload.c +++ b/src/3rdparty/freetype/src/cid/cidgload.c @@ -4,7 +4,7 @@ * * CID-keyed Type1 Glyph Loader (body). * - * Copyright (C) 1996-2020 by + * Copyright (C) 1996-2023 by * David Turner, Robert Wilhelm, and Werner Lemberg. * * This file is part of the FreeType project, and may only be used, @@ -40,6 +40,117 @@ #define FT_COMPONENT cidgload + /* + * A helper function to compute FD number (`fd_select`), the offset to the + * head of the glyph data (`off1`), and the offset to the and of the glyph + * data (`off2`). + * + * The number how many times `cid_get_offset` is invoked can be controlled + * by the number of non-NULL arguments. If `fd_select` is non-NULL but + * `off1` and `off2` are NULL, `cid_get_offset` is invoked only for + * `fd_select`; `off1` and `off2` are not validated. + * + */ + FT_LOCAL_DEF( FT_Error ) + cid_compute_fd_and_offsets( CID_Face face, + FT_UInt glyph_index, + FT_ULong* fd_select_p, + FT_ULong* off1_p, + FT_ULong* off2_p ) + { + FT_Error error = FT_Err_Ok; + + CID_FaceInfo cid = &face->cid; + FT_Stream stream = face->cid_stream; + FT_UInt entry_len = cid->fd_bytes + cid->gd_bytes; + + FT_Byte* p; + FT_Bool need_frame_exit = 0; + FT_ULong fd_select, off1, off2; + + + /* For ordinary fonts, read the CID font dictionary index */ + /* and charstring offset from the CIDMap. */ + + if ( FT_STREAM_SEEK( cid->data_offset + cid->cidmap_offset + + glyph_index * entry_len ) || + FT_FRAME_ENTER( 2 * entry_len ) ) + goto Exit; + + need_frame_exit = 1; + + p = (FT_Byte*)stream->cursor; + fd_select = cid_get_offset( &p, cid->fd_bytes ); + off1 = cid_get_offset( &p, cid->gd_bytes ); + + p += cid->fd_bytes; + off2 = cid_get_offset( &p, cid->gd_bytes ); + + if ( fd_select_p ) + *fd_select_p = fd_select; + if ( off1_p ) + *off1_p = off1; + if ( off2_p ) + *off2_p = off2; + + if ( fd_select >= cid->num_dicts ) + { + /* + * fd_select == 0xFF is often used to indicate that the CID + * has no charstring to be rendered, similar to GID = 0xFFFF + * in TrueType fonts. + */ + if ( ( cid->fd_bytes == 1 && fd_select == 0xFFU ) || + ( cid->fd_bytes == 2 && fd_select == 0xFFFFU ) ) + { + FT_TRACE1(( "cid_load_glyph: fail for glyph index %d:\n", + glyph_index )); + FT_TRACE1(( " FD number %ld is the maximum\n", + fd_select )); + FT_TRACE1(( " integer fitting into %d byte%s\n", + cid->fd_bytes, cid->fd_bytes == 1 ? "" : "s" )); + } + else + { + FT_TRACE0(( "cid_load_glyph: fail for glyph index %d:\n", + glyph_index )); + FT_TRACE0(( " FD number %ld is larger\n", + fd_select )); + FT_TRACE0(( " than number of dictionaries (%d)\n", + cid->num_dicts )); + } + + error = FT_THROW( Invalid_Offset ); + goto Exit; + } + else if ( off2 > stream->size ) + { + FT_TRACE0(( "cid_load_glyph: fail for glyph index %d:\n", + glyph_index )); + FT_TRACE0(( " end of the glyph data\n" )); + FT_TRACE0(( " is beyond the data stream\n" )); + + error = FT_THROW( Invalid_Offset ); + goto Exit; + } + else if ( off1 > off2 ) + { + FT_TRACE0(( "cid_load_glyph: fail for glyph index %d:\n", + glyph_index )); + FT_TRACE0(( " the end position of glyph data\n" )); + FT_TRACE0(( " is set before the start position\n" )); + + error = FT_THROW( Invalid_Offset ); + } + + Exit: + if ( need_frame_exit ) + FT_FRAME_EXIT(); + + return error; + } + + FT_CALLBACK_DEF( FT_Error ) cid_load_glyph( T1_Decoder decoder, FT_UInt glyph_index ) @@ -63,7 +174,7 @@ #endif - FT_TRACE1(( "cid_load_glyph: glyph index %d\n", glyph_index )); + FT_TRACE1(( "cid_load_glyph: glyph index %u\n", glyph_index )); #ifdef FT_CONFIG_OPTION_INCREMENTAL @@ -76,20 +187,17 @@ error = inc->funcs->get_glyph_data( inc->object, glyph_index, &glyph_data ); - if ( error ) + if ( error || glyph_data.length < cid->fd_bytes ) goto Exit; p = (FT_Byte*)glyph_data.pointer; - fd_select = cid_get_offset( &p, (FT_Byte)cid->fd_bytes ); + fd_select = cid_get_offset( &p, cid->fd_bytes ); - if ( glyph_data.length != 0 ) - { - glyph_length = (FT_ULong)( glyph_data.length - cid->fd_bytes ); - (void)FT_ALLOC( charstring, glyph_length ); - if ( !error ) - ft_memcpy( charstring, glyph_data.pointer + cid->fd_bytes, + glyph_length = glyph_data.length - cid->fd_bytes; + + if ( !FT_QALLOC( charstring, glyph_length ) ) + FT_MEM_COPY( charstring, glyph_data.pointer + cid->fd_bytes, glyph_length ); - } inc->funcs->free_glyph_data( inc->object, &glyph_data ); @@ -100,41 +208,20 @@ else #endif /* FT_CONFIG_OPTION_INCREMENTAL */ - - /* For ordinary fonts read the CID font dictionary index */ - /* and charstring offset from the CIDMap. */ { - FT_UInt entry_len = (FT_UInt)( cid->fd_bytes + cid->gd_bytes ); FT_ULong off1, off2; - if ( FT_STREAM_SEEK( cid->data_offset + cid->cidmap_offset + - glyph_index * entry_len ) || - FT_FRAME_ENTER( 2 * entry_len ) ) - goto Exit; - - p = (FT_Byte*)stream->cursor; - fd_select = cid_get_offset( &p, (FT_Byte)cid->fd_bytes ); - off1 = cid_get_offset( &p, (FT_Byte)cid->gd_bytes ); - p += cid->fd_bytes; - off2 = cid_get_offset( &p, (FT_Byte)cid->gd_bytes ); - FT_FRAME_EXIT(); - - if ( fd_select >= (FT_ULong)cid->num_dicts || - off2 > stream->size || - off1 > off2 ) - { - FT_TRACE0(( "cid_load_glyph: invalid glyph stream offsets\n" )); - error = FT_THROW( Invalid_Offset ); + error = cid_compute_fd_and_offsets( face, glyph_index, + &fd_select, &off1, &off2 ); + if ( error ) goto Exit; - } glyph_length = off2 - off1; - if ( glyph_length == 0 ) - goto Exit; - if ( FT_ALLOC( charstring, glyph_length ) ) - goto Exit; - if ( FT_STREAM_READ_AT( cid->data_offset + off1, + + if ( glyph_length == 0 || + FT_QALLOC( charstring, glyph_length ) || + FT_STREAM_READ_AT( cid->data_offset + off1, charstring, glyph_length ) ) goto Exit; } @@ -165,7 +252,9 @@ cs_offset = decoder->lenIV >= 0 ? (FT_UInt)decoder->lenIV : 0; if ( cs_offset > glyph_length ) { - FT_TRACE0(( "cid_load_glyph: invalid glyph stream offsets\n" )); + FT_TRACE0(( "cid_load_glyph: fail for glyph_index=%d, " + "offset to the charstring is beyond glyph length\n", + glyph_index )); error = FT_THROW( Invalid_Offset ); goto Exit; } diff --git a/src/3rdparty/freetype/src/cid/cidgload.h b/src/3rdparty/freetype/src/cid/cidgload.h index da36e37e06..edd6229234 100644 --- a/src/3rdparty/freetype/src/cid/cidgload.h +++ b/src/3rdparty/freetype/src/cid/cidgload.h @@ -4,7 +4,7 @@ * * OpenType Glyph Loader (specification). * - * Copyright (C) 1996-2020 by + * Copyright (C) 1996-2023 by * David Turner, Robert Wilhelm, and Werner Lemberg. * * This file is part of the FreeType project, and may only be used, @@ -42,6 +42,14 @@ FT_BEGIN_HEADER FT_Int32 load_flags ); + FT_LOCAL( FT_Error ) + cid_compute_fd_and_offsets( CID_Face face, + FT_UInt glyph_index, + FT_ULong* fd_select_p, + FT_ULong* off1_p, + FT_ULong* off2_p ); + + FT_END_HEADER #endif /* CIDGLOAD_H_ */ diff --git a/src/3rdparty/freetype/src/cid/cidload.c b/src/3rdparty/freetype/src/cid/cidload.c index bb9136a3df..a7da8ea39d 100644 --- a/src/3rdparty/freetype/src/cid/cidload.c +++ b/src/3rdparty/freetype/src/cid/cidload.c @@ -4,7 +4,7 @@ * * CID-keyed Type1 font loader (body). * - * Copyright (C) 1996-2020 by + * Copyright (C) 1996-2023 by * David Turner, Robert Wilhelm, and Werner Lemberg. * * This file is part of the FreeType project, and may only be used, @@ -41,7 +41,7 @@ /* read a single offset */ FT_LOCAL_DEF( FT_ULong ) cid_get_offset( FT_Byte* *start, - FT_Byte offsize ) + FT_UInt offsize ) { FT_ULong result; FT_Byte* p = *start; @@ -113,7 +113,7 @@ CID_FaceDict dict; - if ( parser->num_dict < 0 || parser->num_dict >= cid->num_dicts ) + if ( parser->num_dict >= cid->num_dicts ) { FT_ERROR(( "cid_load_keyword: invalid use of `%s'\n", keyword->ident )); @@ -155,23 +155,24 @@ FT_CALLBACK_DEF( void ) - cid_parse_font_matrix( CID_Face face, - CID_Parser* parser ) + cid_parse_font_matrix( FT_Face face, /* CID_Face */ + void* parser_ ) { + CID_Face cidface = (CID_Face)face; + CID_Parser* parser = (CID_Parser*)parser_; CID_FaceDict dict; - FT_Face root = (FT_Face)&face->root; FT_Fixed temp[6]; FT_Fixed temp_scale; - if ( parser->num_dict >= 0 && parser->num_dict < face->cid.num_dicts ) + if ( parser->num_dict < cidface->cid.num_dicts ) { FT_Matrix* matrix; FT_Vector* offset; FT_Int result; - dict = face->cid.font_dicts + parser->num_dict; + dict = cidface->cid.font_dicts + parser->num_dict; matrix = &dict->font_matrix; offset = &dict->font_offset; @@ -204,7 +205,7 @@ if ( temp_scale != 0x10000L ) { /* set units per EM based on FontMatrix values */ - root->units_per_EM = (FT_UShort)FT_DivFix( 1000, temp_scale ); + face->units_per_EM = (FT_UShort)FT_DivFix( 1000, temp_scale ); temp[0] = FT_DivFix( temp[0], temp_scale ); temp[1] = FT_DivFix( temp[1], temp_scale ); @@ -237,18 +238,20 @@ FT_CALLBACK_DEF( void ) - parse_fd_array( CID_Face face, - CID_Parser* parser ) + parse_fd_array( FT_Face face, /* CID_Face */ + void* parser_ ) { - CID_FaceInfo cid = &face->cid; - FT_Memory memory = face->root.memory; - FT_Stream stream = parser->stream; - FT_Error error = FT_Err_Ok; - FT_Long num_dicts; + CID_Face cidface = (CID_Face)face; + CID_Parser* parser = (CID_Parser*)parser_; + CID_FaceInfo cid = &cidface->cid; + FT_Memory memory = FT_FACE_MEMORY( face ); + FT_Stream stream = parser->stream; + FT_Error error = FT_Err_Ok; + FT_Long num_dicts, max_dicts; num_dicts = cid_parser_to_int( parser ); - if ( num_dicts < 0 ) + if ( num_dicts < 0 || num_dicts > FT_INT_MAX ) { FT_ERROR(( "parse_fd_array: invalid number of dictionaries\n" )); goto Exit; @@ -272,18 +275,18 @@ * need a `dup X' at the very beginning and a `put' at the end, so a * rough guess using 100 bytes as the minimum is justified. */ - if ( (FT_ULong)num_dicts > stream->size / 100 ) + max_dicts = (FT_Long)( stream->size / 100 ); + if ( num_dicts > max_dicts ) { FT_TRACE0(( "parse_fd_array: adjusting FDArray size" " (from %ld to %ld)\n", - num_dicts, - stream->size / 100 )); - num_dicts = (FT_Long)( stream->size / 100 ); + num_dicts, max_dicts )); + num_dicts = max_dicts; } if ( !cid->font_dicts ) { - FT_Int n; + FT_UInt n; if ( FT_NEW_ARRAY( cid->font_dicts, num_dicts ) ) @@ -313,18 +316,20 @@ /* By mistake, `expansion_factor' appears both in PS_PrivateRec */ /* and CID_FaceDictRec (both are public header files and can't */ - /* changed). We simply copy the value. */ + /* be thus changed). We simply copy the value. */ FT_CALLBACK_DEF( void ) - parse_expansion_factor( CID_Face face, - CID_Parser* parser ) + parse_expansion_factor( FT_Face face, /* CID_Face */ + void* parser_ ) { + CID_Face cidface = (CID_Face)face; + CID_Parser* parser = (CID_Parser*)parser_; CID_FaceDict dict; - if ( parser->num_dict >= 0 && parser->num_dict < face->cid.num_dicts ) + if ( parser->num_dict < cidface->cid.num_dicts ) { - dict = face->cid.font_dicts + parser->num_dict; + dict = cidface->cid.font_dicts + parser->num_dict; dict->expansion_factor = cid_parser_to_fixed( parser, 0 ); dict->private_dict.expansion_factor = dict->expansion_factor; @@ -341,11 +346,15 @@ /* to catch it for producing better trace output. */ FT_CALLBACK_DEF( void ) - parse_font_name( CID_Face face, - CID_Parser* parser ) + parse_font_name( FT_Face face, /* CID_Face */ + void* parser_ ) { #ifdef FT_DEBUG_LEVEL_TRACE - if ( parser->num_dict >= 0 && parser->num_dict < face->cid.num_dicts ) + CID_Face cidface = (CID_Face)face; + CID_Parser* parser = (CID_Parser*)parser_; + + + if ( parser->num_dict < cidface->cid.num_dicts ) { T1_TokenRec token; FT_UInt len; @@ -361,7 +370,7 @@ } #else FT_UNUSED( face ); - FT_UNUSED( parser ); + FT_UNUSED( parser_ ); #endif return; @@ -427,7 +436,7 @@ parser->num_dict++; #ifdef FT_DEBUG_LEVEL_TRACE - FT_TRACE4(( " FontDict %d", parser->num_dict )); + FT_TRACE4(( " FontDict %u", parser->num_dict )); if ( parser->num_dict > face->cid.num_dicts ) FT_TRACE4(( " (ignored)" )); FT_TRACE4(( "\n" )); @@ -517,7 +526,7 @@ FT_Memory memory = face->root.memory; FT_Stream stream = face->cid_stream; FT_Error error; - FT_Int n; + FT_UInt n; CID_Subrs subr; FT_UInt max_offsets = 0; FT_ULong* offsets = NULL; @@ -552,20 +561,20 @@ goto Fail; } - if ( FT_RENEW_ARRAY( offsets, max_offsets, new_max ) ) + if ( FT_QRENEW_ARRAY( offsets, max_offsets, new_max ) ) goto Fail; max_offsets = new_max; } /* read the subrmap's offsets */ - if ( FT_STREAM_SEEK( cid->data_offset + dict->subrmap_offset ) || - FT_FRAME_ENTER( ( num_subrs + 1 ) * (FT_UInt)dict->sd_bytes ) ) + if ( FT_STREAM_SEEK( cid->data_offset + dict->subrmap_offset ) || + FT_FRAME_ENTER( ( num_subrs + 1 ) * dict->sd_bytes ) ) goto Fail; p = (FT_Byte*)stream->cursor; for ( count = 0; count <= num_subrs; count++ ) - offsets[count] = cid_get_offset( &p, (FT_Byte)dict->sd_bytes ); + offsets[count] = cid_get_offset( &p, dict->sd_bytes ); FT_FRAME_EXIT(); @@ -589,12 +598,12 @@ /* allocate, and read them */ data_len = offsets[num_subrs] - offsets[0]; - if ( FT_NEW_ARRAY( subr->code, num_subrs + 1 ) || - FT_ALLOC( subr->code[0], data_len ) ) + if ( FT_QNEW_ARRAY( subr->code, num_subrs + 1 ) || + FT_QALLOC( subr->code[0], data_len ) ) goto Fail; if ( FT_STREAM_SEEK( cid->data_offset + offsets[0] ) || - FT_STREAM_READ( subr->code[0], data_len ) ) + FT_STREAM_READ( subr->code[0], data_len ) ) goto Fail; /* set up pointers */ @@ -665,17 +674,18 @@ static FT_Error - cid_hex_to_binary( FT_Byte* data, - FT_ULong data_len, - FT_ULong offset, - CID_Face face ) + cid_hex_to_binary( FT_Byte* data, + FT_ULong data_len, + FT_ULong offset, + CID_Face face, + FT_ULong* data_written ) { FT_Stream stream = face->root.stream; FT_Error error; FT_Byte buffer[256]; FT_Byte *p, *plimit; - FT_Byte *d, *dlimit; + FT_Byte *d = data, *dlimit; FT_Byte val; FT_Bool upper_nibble, done; @@ -684,7 +694,6 @@ if ( FT_STREAM_SEEK( offset ) ) goto Exit; - d = data; dlimit = d + data_len; p = buffer; plimit = p; @@ -758,6 +767,7 @@ error = FT_Err_Ok; Exit: + *data_written = (FT_ULong)( d - data ); return error; } @@ -770,12 +780,11 @@ CID_Parser* parser; FT_Memory memory = face->root.memory; FT_Error error; - FT_Int n; + FT_UInt n; CID_FaceInfo cid = &face->cid; FT_ULong binary_length; - FT_ULong entry_len; cid_init_loader( &loader, face ); @@ -803,8 +812,8 @@ if ( parser->binary_length > face->root.stream->size - parser->data_offset ) { - FT_TRACE0(( "cid_face_open: adjusting length of binary data\n" - " (from %ld to %ld bytes)\n", + FT_TRACE0(( "cid_face_open: adjusting length of binary data\n" )); + FT_TRACE0(( " (from %lu to %lu bytes)\n", parser->binary_length, face->root.stream->size - parser->data_offset )); parser->binary_length = face->root.stream->size - @@ -812,15 +821,16 @@ } /* we must convert the data section from hexadecimal to binary */ - if ( FT_ALLOC( face->binary_data, parser->binary_length ) || + if ( FT_QALLOC( face->binary_data, parser->binary_length ) || FT_SET_ERROR( cid_hex_to_binary( face->binary_data, parser->binary_length, parser->data_offset, - face ) ) ) + face, + &binary_length ) ) ) goto Exit; FT_Stream_OpenMemory( face->cid_stream, - face->binary_data, parser->binary_length ); + face->binary_data, binary_length ); cid->data_offset = 0; } else @@ -831,10 +841,10 @@ /* sanity tests */ - if ( cid->fd_bytes < 0 || cid->gd_bytes < 1 ) + if ( cid->gd_bytes == 0 ) { FT_ERROR(( "cid_face_open:" - " Invalid `FDBytes' or `GDBytes' value\n" )); + " Invalid `GDBytes' value\n" )); error = FT_THROW( Invalid_File_Format ); goto Exit; } @@ -843,15 +853,32 @@ if ( cid->fd_bytes > 4 || cid->gd_bytes > 4 ) { FT_ERROR(( "cid_face_open:" - " Values of `FDBytes' or `GDBytes' larger than 4\n" - " " + " Values of `FDBytes' or `GDBytes' larger than 4\n" )); + FT_ERROR(( " " " are not supported\n" )); error = FT_THROW( Invalid_File_Format ); goto Exit; } binary_length = face->cid_stream->size - cid->data_offset; - entry_len = (FT_ULong)( cid->fd_bytes + cid->gd_bytes ); + + if ( cid->cidmap_offset > binary_length ) + { + FT_ERROR(( "cid_face_open: Invalid `CIDMapOffset' value\n" )); + error = FT_THROW( Invalid_File_Format ); + goto Exit; + } + + /* the initial pre-check prevents the multiplication overflow */ + if ( cid->cid_count > FT_ULONG_MAX / 8 || + cid->cid_count * ( cid->fd_bytes + cid->gd_bytes ) > + binary_length - cid->cidmap_offset ) + { + FT_ERROR(( "cid_face_open: Invalid `CIDCount' value\n" )); + error = FT_THROW( Invalid_File_Format ); + goto Exit; + } + for ( n = 0; n < cid->num_dicts; n++ ) { @@ -877,8 +904,7 @@ dict->private_dict.blue_fuzz = 1; } - if ( dict->sd_bytes < 0 || - ( dict->num_subrs && dict->sd_bytes < 1 ) ) + if ( dict->num_subrs && dict->sd_bytes == 0 ) { FT_ERROR(( "cid_face_open: Invalid `SDBytes' value\n" )); error = FT_THROW( Invalid_File_Format ); @@ -901,11 +927,10 @@ goto Exit; } - /* `num_subrs' is scanned as a signed integer */ - if ( (FT_Int)dict->num_subrs < 0 || - ( dict->sd_bytes && - dict->num_subrs > ( binary_length - dict->subrmap_offset ) / - (FT_UInt)dict->sd_bytes ) ) + /* the initial pre-check prevents the multiplication overflow */ + if ( dict->num_subrs > FT_UINT_MAX / 4 || + dict->num_subrs * dict->sd_bytes > + binary_length - dict->subrmap_offset ) { FT_ERROR(( "cid_face_open: Invalid `SubrCount' value\n" )); error = FT_THROW( Invalid_File_Format ); @@ -913,22 +938,6 @@ } } - if ( cid->cidmap_offset > binary_length ) - { - FT_ERROR(( "cid_face_open: Invalid `CIDMapOffset' value\n" )); - error = FT_THROW( Invalid_File_Format ); - goto Exit; - } - - if ( entry_len && - cid->cid_count > - ( binary_length - cid->cidmap_offset ) / entry_len ) - { - FT_ERROR(( "cid_face_open: Invalid `CIDCount' value\n" )); - error = FT_THROW( Invalid_File_Format ); - goto Exit; - } - /* we can now safely proceed */ error = cid_read_subrs( face ); diff --git a/src/3rdparty/freetype/src/cid/cidload.h b/src/3rdparty/freetype/src/cid/cidload.h index 06fb9ef476..d12d2962a6 100644 --- a/src/3rdparty/freetype/src/cid/cidload.h +++ b/src/3rdparty/freetype/src/cid/cidload.h @@ -4,7 +4,7 @@ * * CID-keyed Type1 font loader (specification). * - * Copyright (C) 1996-2020 by + * Copyright (C) 1996-2023 by * David Turner, Robert Wilhelm, and Werner Lemberg. * * This file is part of the FreeType project, and may only be used, @@ -37,7 +37,7 @@ FT_BEGIN_HEADER FT_LOCAL( FT_ULong ) cid_get_offset( FT_Byte** start, - FT_Byte offsize ); + FT_UInt offsize ); FT_LOCAL( FT_Error ) cid_face_open( CID_Face face, diff --git a/src/3rdparty/freetype/src/cid/cidobjs.c b/src/3rdparty/freetype/src/cid/cidobjs.c index 04b295eb8f..f698a41928 100644 --- a/src/3rdparty/freetype/src/cid/cidobjs.c +++ b/src/3rdparty/freetype/src/cid/cidobjs.c @@ -4,7 +4,7 @@ * * CID objects manager (body). * - * Copyright (C) 1996-2020 by + * Copyright (C) 1996-2023 by * David Turner, Robert Wilhelm, and Werner Lemberg. * * This file is part of the FreeType project, and may only be used, @@ -69,8 +69,7 @@ FT_Module module; - module = FT_Get_Module( slot->face->driver->root.library, - "pshinter" ); + module = FT_Get_Module( slot->library, "pshinter" ); if ( module ) { T1_Hints_Funcs funcs; @@ -153,14 +152,18 @@ } - FT_LOCAL( FT_Error ) + FT_LOCAL_DEF( FT_Error ) cid_size_request( FT_Size size, FT_Size_Request req ) { + FT_Error error; + PSH_Globals_Funcs funcs; - FT_Request_Metrics( size->face, req ); + error = FT_Request_Metrics( size->face, req ); + if ( error ) + goto Exit; funcs = cid_size_get_globals_funcs( (CID_Size)size ); @@ -170,7 +173,8 @@ size->metrics.y_scale, 0, 0 ); - return FT_Err_Ok; + Exit: + return error; } @@ -211,7 +215,7 @@ /* release subrs */ if ( face->subrs ) { - FT_Int n; + FT_UInt n; for ( n = 0; n < cid->num_dicts; n++ ) @@ -263,7 +267,8 @@ * * @Input: * stream :: - * The source font stream. + * Dummy argument for compatibility with the `FT_Face_InitFunc` API. + * Ignored. The stream should be passed through `face->root.stream`. * * face_index :: * The index of the font face in the resource. @@ -370,6 +375,14 @@ if ( info->is_fixed_pitch ) cidface->face_flags |= FT_FACE_FLAG_FIXED_WIDTH; + /* + * For the sfnt-wrapped CID fonts for MacOS, currently, + * its `cmap' tables are ignored, and the content in + * its `CID ' table is treated the same as naked CID-keyed + * font. See ft_lookup_PS_in_sfnt_stream(). + */ + cidface->face_flags |= FT_FACE_FLAG_CID_KEYED; + /* XXX: TODO: add kerning with .afm support */ /* get style name -- be careful, some broken fonts only */ @@ -479,11 +492,7 @@ /* set default property values, cf. `ftt1drv.h' */ -#ifdef T1_CONFIG_OPTION_OLD_ENGINE - driver->hinting_engine = FT_HINTING_FREETYPE; -#else driver->hinting_engine = FT_HINTING_ADOBE; -#endif driver->no_stem_darkening = TRUE; diff --git a/src/3rdparty/freetype/src/cid/cidobjs.h b/src/3rdparty/freetype/src/cid/cidobjs.h index 6ae3061379..83c0c61c3c 100644 --- a/src/3rdparty/freetype/src/cid/cidobjs.h +++ b/src/3rdparty/freetype/src/cid/cidobjs.h @@ -4,7 +4,7 @@ * * CID objects manager (specification). * - * Copyright (C) 1996-2020 by + * Copyright (C) 1996-2023 by * David Turner, Robert Wilhelm, and Werner Lemberg. * * This file is part of the FreeType project, and may only be used, diff --git a/src/3rdparty/freetype/src/cid/cidparse.c b/src/3rdparty/freetype/src/cid/cidparse.c index 1fc098b448..171a886215 100644 --- a/src/3rdparty/freetype/src/cid/cidparse.c +++ b/src/3rdparty/freetype/src/cid/cidparse.c @@ -4,7 +4,7 @@ * * CID-keyed Type1 parser (body). * - * Copyright (C) 1996-2020 by + * Copyright (C) 1996-2023 by * David Turner, Robert Wilhelm, and Werner Lemberg. * * This file is part of the FreeType project, and may only be used, @@ -73,7 +73,11 @@ /* first of all, check the font format in the header */ if ( FT_FRAME_ENTER( 31 ) ) + { + FT_TRACE2(( " not a CID-keyed font\n" )); + error = FT_THROW( Unknown_File_Format ); goto Exit; + } if ( ft_strncmp( (char *)stream->cursor, "%!PS-Adobe-3.0 Resource-CIDFont", 31 ) ) @@ -181,7 +185,7 @@ parser->root.base = parser->postscript; parser->root.cursor = parser->postscript; parser->root.limit = parser->root.cursor + ps_len; - parser->num_dict = -1; + parser->num_dict = FT_UINT_MAX; /* Finally, we check whether `StartData' or `/sfnts' was real -- */ /* it could be in a comment or string. We also get the arguments */ @@ -210,18 +214,24 @@ cur <= limit - STARTDATA_LEN && ft_strncmp( (char*)cur, STARTDATA, STARTDATA_LEN ) == 0 ) { - if ( ft_strncmp( (char*)arg1, "(Hex)", 5 ) == 0 ) - { - FT_Long tmp = ft_strtol( (const char *)arg2, NULL, 10 ); + T1_TokenRec type_token; + FT_Long binary_length; - if ( tmp < 0 ) + parser->root.cursor = arg1; + cid_parser_to_token( parser, &type_token ); + if ( type_token.limit - type_token.start == 5 && + ft_memcmp( (char*)type_token.start, "(Hex)", 5 ) == 0 ) + { + parser->root.cursor = arg2; + binary_length = cid_parser_to_int( parser ); + if ( binary_length < 0 ) { FT_ERROR(( "cid_parser_new: invalid length of hex data\n" )); error = FT_THROW( Invalid_File_Format ); } else - parser->binary_length = (FT_ULong)tmp; + parser->binary_length = (FT_ULong)binary_length; } goto Exit; diff --git a/src/3rdparty/freetype/src/cid/cidparse.h b/src/3rdparty/freetype/src/cid/cidparse.h index 0b49bebf48..2fd4e7a931 100644 --- a/src/3rdparty/freetype/src/cid/cidparse.h +++ b/src/3rdparty/freetype/src/cid/cidparse.h @@ -4,7 +4,7 @@ * * CID-keyed Type1 parser (specification). * - * Copyright (C) 1996-2020 by + * Copyright (C) 1996-2023 by * David Turner, Robert Wilhelm, and Werner Lemberg. * * This file is part of the FreeType project, and may only be used, @@ -78,7 +78,7 @@ FT_BEGIN_HEADER FT_ULong binary_length; CID_FaceInfo cid; - FT_Int num_dict; + FT_UInt num_dict; } CID_Parser; diff --git a/src/3rdparty/freetype/src/cid/cidriver.c b/src/3rdparty/freetype/src/cid/cidriver.c index d08cea1d7e..99e7b11839 100644 --- a/src/3rdparty/freetype/src/cid/cidriver.c +++ b/src/3rdparty/freetype/src/cid/cidriver.c @@ -4,7 +4,7 @@ * * CID driver interface (body). * - * Copyright (C) 1996-2020 by + * Copyright (C) 1996-2023 by * David Turner, Robert Wilhelm, and Werner Lemberg. * * This file is part of the FreeType project, and may only be used, @@ -48,10 +48,11 @@ * */ - static const char* - cid_get_postscript_name( CID_Face face ) + FT_CALLBACK_DEF( const char* ) + cid_get_postscript_name( FT_Face face ) /* CID_Face */ { - const char* result = face->cid.cid_font_name; + CID_Face cidface = (CID_Face)face; + const char* result = cidface->cid.cid_font_name; if ( result && result[0] == '/' ) @@ -72,34 +73,36 @@ * */ - static FT_Error - cid_ps_get_font_info( FT_Face face, + FT_CALLBACK_DEF( FT_Error ) + cid_ps_get_font_info( FT_Face face, /* CID_Face */ PS_FontInfoRec* afont_info ) { - *afont_info = ((CID_Face)face)->cid.font_info; + *afont_info = ( (CID_Face)face )->cid.font_info; return FT_Err_Ok; } - static FT_Error - cid_ps_get_font_extra( FT_Face face, - PS_FontExtraRec* afont_extra ) + + FT_CALLBACK_DEF( FT_Error ) + cid_ps_get_font_extra( FT_Face face, /* CID_Face */ + PS_FontExtraRec* afont_extra ) { - *afont_extra = ((CID_Face)face)->font_extra; + *afont_extra = ( (CID_Face)face )->font_extra; return FT_Err_Ok; } + static const FT_Service_PsInfoRec cid_service_ps_info = { - (PS_GetFontInfoFunc) cid_ps_get_font_info, /* ps_get_font_info */ - (PS_GetFontExtraFunc) cid_ps_get_font_extra, /* ps_get_font_extra */ + cid_ps_get_font_info, /* PS_GetFontInfoFunc ps_get_font_info */ + cid_ps_get_font_extra, /* PS_GetFontExtraFunc ps_get_font_extra */ /* unsupported with CID fonts */ - (PS_HasGlyphNamesFunc) NULL, /* ps_has_glyph_names */ + NULL, /* PS_HasGlyphNamesFunc ps_has_glyph_names */ /* unsupported */ - (PS_GetFontPrivateFunc)NULL, /* ps_get_font_private */ + NULL, /* PS_GetFontPrivateFunc ps_get_font_private */ /* not implemented */ - (PS_GetFontValueFunc) NULL /* ps_get_font_value */ + NULL /* PS_GetFontValueFunc ps_get_font_value */ }; @@ -107,13 +110,14 @@ * CID INFO SERVICE * */ - static FT_Error - cid_get_ros( CID_Face face, + FT_CALLBACK_DEF( FT_Error ) + cid_get_ros( FT_Face face, /* CID_Face */ const char* *registry, const char* *ordering, FT_Int *supplement ) { - CID_FaceInfo cid = &face->cid; + CID_Face cidface = (CID_Face)face; + CID_FaceInfo cid = &cidface->cid; if ( registry ) @@ -129,32 +133,48 @@ } - static FT_Error - cid_get_is_cid( CID_Face face, + FT_CALLBACK_DEF( FT_Error ) + cid_get_is_cid( FT_Face face, /* CID_Face */ FT_Bool *is_cid ) { FT_Error error = FT_Err_Ok; FT_UNUSED( face ); + /* + * XXX: If the ROS is Adobe-Identity-H or -V, + * the font has no reliable information about + * its glyph collection. Should we not set + * *is_cid in such cases? + */ if ( is_cid ) - *is_cid = 1; /* cid driver is only used for CID keyed fonts */ + *is_cid = 1; return error; } - static FT_Error - cid_get_cid_from_glyph_index( CID_Face face, + FT_CALLBACK_DEF( FT_Error ) + cid_get_cid_from_glyph_index( FT_Face face, /* CID_Face */ FT_UInt glyph_index, FT_UInt *cid ) { - FT_Error error = FT_Err_Ok; - FT_UNUSED( face ); - - - if ( cid ) - *cid = glyph_index; /* identity mapping */ + FT_Error error = FT_Err_Ok; + CID_Face cidface = (CID_Face)face; + + + /* + * Currently, FreeType does not support incrementally-defined, CID-keyed + * fonts that store the glyph description data in a `/GlyphDirectory` + * array or dictionary. Fonts loaded by the incremental loading feature + * are thus not handled here. + */ + error = cid_compute_fd_and_offsets( cidface, glyph_index, + NULL, NULL, NULL ); + if ( error ) + *cid = 0; + else + *cid = glyph_index; return error; } @@ -162,12 +182,12 @@ static const FT_Service_CIDRec cid_service_cid_info = { - (FT_CID_GetRegistryOrderingSupplementFunc) - cid_get_ros, /* get_ros */ - (FT_CID_GetIsInternallyCIDKeyedFunc) - cid_get_is_cid, /* get_is_cid */ - (FT_CID_GetCIDFromGlyphIndexFunc) - cid_get_cid_from_glyph_index /* get_cid_from_glyph_index */ + cid_get_ros, + /* FT_CID_GetRegistryOrderingSupplementFunc get_ros */ + cid_get_is_cid, + /* FT_CID_GetIsInternallyCIDKeyedFunc get_is_cid */ + cid_get_cid_from_glyph_index + /* FT_CID_GetCIDFromGlyphIndexFunc get_cid_from_glyph_index */ }; @@ -179,9 +199,9 @@ FT_DEFINE_SERVICE_PROPERTIESREC( cid_service_properties, - (FT_Properties_SetFunc)ps_property_set, /* set_property */ - (FT_Properties_GetFunc)ps_property_get ) /* get_property */ - + ps_property_set, /* FT_Properties_SetFunc set_property */ + ps_property_get /* FT_Properties_GetFunc get_property */ + ) /* * SERVICE LIST @@ -209,7 +229,6 @@ } - FT_CALLBACK_TABLE_DEF const FT_Driver_ClassRec t1cid_driver_class = { diff --git a/src/3rdparty/freetype/src/cid/cidriver.h b/src/3rdparty/freetype/src/cid/cidriver.h index 0fc8ed37bf..a6249385c8 100644 --- a/src/3rdparty/freetype/src/cid/cidriver.h +++ b/src/3rdparty/freetype/src/cid/cidriver.h @@ -4,7 +4,7 @@ * * High-level CID driver interface (specification). * - * Copyright (C) 1996-2020 by + * Copyright (C) 1996-2023 by * David Turner, Robert Wilhelm, and Werner Lemberg. * * This file is part of the FreeType project, and may only be used, diff --git a/src/3rdparty/freetype/src/cid/cidtoken.h b/src/3rdparty/freetype/src/cid/cidtoken.h index e9f068bb50..925951acdb 100644 --- a/src/3rdparty/freetype/src/cid/cidtoken.h +++ b/src/3rdparty/freetype/src/cid/cidtoken.h @@ -4,7 +4,7 @@ * * CID token definitions (specification only). * - * Copyright (C) 1996-2020 by + * Copyright (C) 1996-2023 by * David Turner, Robert Wilhelm, and Werner Lemberg. * * This file is part of the FreeType project, and may only be used, diff --git a/src/3rdparty/freetype/src/cid/module.mk b/src/3rdparty/freetype/src/cid/module.mk index 9fb02235e6..563cb34893 100644 --- a/src/3rdparty/freetype/src/cid/module.mk +++ b/src/3rdparty/freetype/src/cid/module.mk @@ -3,7 +3,7 @@ # -# Copyright (C) 1996-2020 by +# Copyright (C) 1996-2023 by # David Turner, Robert Wilhelm, and Werner Lemberg. # # This file is part of the FreeType project, and may only be used, modified, diff --git a/src/3rdparty/freetype/src/cid/rules.mk b/src/3rdparty/freetype/src/cid/rules.mk index 94f663c80e..c526ad38da 100644 --- a/src/3rdparty/freetype/src/cid/rules.mk +++ b/src/3rdparty/freetype/src/cid/rules.mk @@ -3,7 +3,7 @@ # -# Copyright (C) 1996-2020 by +# Copyright (C) 1996-2023 by # David Turner, Robert Wilhelm, and Werner Lemberg. # # This file is part of the FreeType project, and may only be used, modified, diff --git a/src/3rdparty/freetype/src/cid/type1cid.c b/src/3rdparty/freetype/src/cid/type1cid.c index 082e8bfe5b..905c896a31 100644 --- a/src/3rdparty/freetype/src/cid/type1cid.c +++ b/src/3rdparty/freetype/src/cid/type1cid.c @@ -4,7 +4,7 @@ * * FreeType OpenType driver component (body only). * - * Copyright (C) 1996-2020 by + * Copyright (C) 1996-2023 by * David Turner, Robert Wilhelm, and Werner Lemberg. * * This file is part of the FreeType project, and may only be used, |