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Diffstat (limited to 'src/3rdparty/freetype/src/sfnt/ttload.c')
-rw-r--r--src/3rdparty/freetype/src/sfnt/ttload.c148
1 files changed, 93 insertions, 55 deletions
diff --git a/src/3rdparty/freetype/src/sfnt/ttload.c b/src/3rdparty/freetype/src/sfnt/ttload.c
index 5443bf4b69..7b44e9cd2e 100644
--- a/src/3rdparty/freetype/src/sfnt/ttload.c
+++ b/src/3rdparty/freetype/src/sfnt/ttload.c
@@ -5,7 +5,7 @@
* Load the basic TrueType tables, i.e., tables that can be either in
* TTF or OTF fonts (body).
*
- * Copyright (C) 1996-2019 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,
@@ -17,10 +17,9 @@
*/
-#include <ft2build.h>
-#include FT_INTERNAL_DEBUG_H
-#include FT_INTERNAL_STREAM_H
-#include FT_TRUETYPE_TAGS_H
+#include <freetype/internal/ftdebug.h>
+#include <freetype/internal/ftstream.h>
+#include <freetype/tttags.h>
#include "ttload.h"
#include "sferrors.h"
@@ -65,8 +64,8 @@
#endif
- FT_TRACE4(( "tt_face_lookup_table: %08p, `%c%c%c%c' -- ",
- face,
+ FT_TRACE4(( "tt_face_lookup_table: %p, `%c%c%c%c' -- ",
+ (void *)face,
(FT_Char)( tag >> 24 ),
(FT_Char)( tag >> 16 ),
(FT_Char)( tag >> 8 ),
@@ -206,9 +205,8 @@
if ( FT_STREAM_READ_FIELDS( table_dir_entry_fields, &table ) )
{
- nn--;
FT_TRACE2(( "check_table_dir:"
- " can read only %d table%s in font (instead of %d)\n",
+ " can read only %hu table%s in font (instead of %hu)\n",
nn, nn == 1 ? "" : "s", sfnt->num_tables ));
sfnt->num_tables = nn;
break;
@@ -218,7 +216,7 @@
if ( table.Offset > stream->size )
{
- FT_TRACE2(( "check_table_dir: table entry %d invalid\n", nn ));
+ FT_TRACE2(( "check_table_dir: table entry %hu invalid\n", nn ));
continue;
}
else if ( table.Length > stream->size - table.Offset )
@@ -233,7 +231,7 @@
valid_entries++;
else
{
- FT_TRACE2(( "check_table_dir: table entry %d invalid\n", nn ));
+ FT_TRACE2(( "check_table_dir: table entry %hu invalid\n", nn ));
continue;
}
}
@@ -363,7 +361,7 @@
};
- FT_TRACE2(( "tt_face_load_font_dir: %08p\n", face ));
+ FT_TRACE2(( "tt_face_load_font_dir: %p\n", (void *)face ));
/* read the offset table */
@@ -382,7 +380,7 @@
/* load the table directory */
- FT_TRACE2(( "-- Number of tables: %10u\n", sfnt.num_tables ));
+ FT_TRACE2(( "-- Number of tables: %10hu\n", sfnt.num_tables ));
FT_TRACE2(( "-- Format version: 0x%08lx\n", sfnt.format_tag ));
if ( sfnt.format_tag != TTAG_OTTO )
@@ -397,7 +395,15 @@
}
}
else
+ {
valid_entries = sfnt.num_tables;
+ if ( !valid_entries )
+ {
+ FT_TRACE2(( "tt_face_load_font_dir: no valid tables found\n" ));
+ error = FT_THROW( Unknown_File_Format );
+ goto Exit;
+ }
+ }
face->num_tables = valid_entries;
face->format_tag = sfnt.format_tag;
@@ -409,9 +415,9 @@
FT_FRAME_ENTER( sfnt.num_tables * 16L ) )
goto Exit;
- FT_TRACE2(( "\n"
- " tag offset length checksum\n"
- " ----------------------------------\n" ));
+ FT_TRACE2(( "\n" ));
+ FT_TRACE2(( " tag offset length checksum\n" ));
+ FT_TRACE2(( " ----------------------------------\n" ));
valid_entries = 0;
for ( nn = 0; nn < sfnt.num_tables; nn++ )
@@ -498,7 +504,15 @@
FT_FRAME_EXIT();
- FT_TRACE2(( "table directory loaded\n\n" ));
+ if ( !valid_entries )
+ {
+ FT_TRACE2(( "tt_face_load_font_dir: no valid tables found\n" ));
+ error = FT_THROW( Unknown_File_Format );
+ goto Exit;
+ }
+
+ FT_TRACE2(( "table directory loaded\n" ));
+ FT_TRACE2(( "\n" ));
Exit:
return error;
@@ -664,8 +678,8 @@
if ( FT_STREAM_READ_FIELDS( header_fields, header ) )
goto Exit;
- FT_TRACE3(( "Units per EM: %4u\n", header->Units_Per_EM ));
- FT_TRACE3(( "IndexToLoc: %4d\n", header->Index_To_Loc_Format ));
+ FT_TRACE3(( "Units per EM: %4hu\n", header->Units_Per_EM ));
+ FT_TRACE3(( "IndexToLoc: %4hd\n", header->Index_To_Loc_Format ));
Exit:
return error;
@@ -787,15 +801,15 @@
if ( maxProfile->maxTwilightPoints > ( 0xFFFFU - 4 ) )
{
FT_TRACE0(( "tt_face_load_maxp:"
- " too much twilight points in `maxp' table;\n"
- " "
+ " too much twilight points in `maxp' table;\n" ));
+ FT_TRACE0(( " "
" some glyphs might be rendered incorrectly\n" ));
maxProfile->maxTwilightPoints = 0xFFFFU - 4;
}
}
- FT_TRACE3(( "numGlyphs: %u\n", maxProfile->numGlyphs ));
+ FT_TRACE3(( "numGlyphs: %hu\n", maxProfile->numGlyphs ));
Exit:
return error;
@@ -829,6 +843,8 @@
FT_ULong table_pos, table_len;
FT_ULong storage_start, storage_limit;
TT_NameTable table;
+ TT_Name names = NULL;
+ TT_LangTag langTags = NULL;
static const FT_Frame_Field name_table_fields[] =
{
@@ -909,14 +925,14 @@
storage_start += 2 + 4 * table->numLangTagRecords;
/* allocate language tag records array */
- if ( FT_NEW_ARRAY( table->langTags, table->numLangTagRecords ) ||
- FT_FRAME_ENTER( table->numLangTagRecords * 4 ) )
+ if ( FT_QNEW_ARRAY( langTags, table->numLangTagRecords ) ||
+ FT_FRAME_ENTER( table->numLangTagRecords * 4 ) )
goto Exit;
/* load language tags */
{
- TT_LangTag entry = table->langTags;
- TT_LangTag limit = entry + table->numLangTagRecords;
+ TT_LangTag entry = langTags;
+ TT_LangTag limit = FT_OFFSET( entry, table->numLangTagRecords );
for ( ; entry < limit; entry++ )
@@ -931,7 +947,13 @@
/* invalid entry; ignore it */
entry->stringLength = 0;
}
+
+ /* mark the string as not yet loaded */
+ entry->string = NULL;
}
+
+ table->langTags = langTags;
+ langTags = NULL;
}
FT_FRAME_EXIT();
@@ -940,14 +962,15 @@
}
/* allocate name records array */
- if ( FT_NEW_ARRAY( table->names, table->numNameRecords ) ||
- FT_FRAME_ENTER( table->numNameRecords * 12 ) )
+ if ( FT_QNEW_ARRAY( names, table->numNameRecords ) ||
+ FT_FRAME_ENTER( table->numNameRecords * 12 ) )
goto Exit;
/* load name records */
{
- TT_Name entry = table->names;
+ TT_Name entry = names;
FT_UInt count = table->numNameRecords;
+ FT_UInt valid = 0;
for ( ; count > 0; count-- )
@@ -980,15 +1003,20 @@
}
}
+ /* mark the string as not yet converted */
+ entry->string = NULL;
+
+ valid++;
entry++;
}
/* reduce array size to the actually used elements */
- count = (FT_UInt)( entry - table->names );
- (void)FT_RENEW_ARRAY( table->names,
- table->numNameRecords,
- count );
- table->numNameRecords = count;
+ FT_MEM_QRENEW_ARRAY( names,
+ table->numNameRecords,
+ valid );
+ table->names = names;
+ names = NULL;
+ table->numNameRecords = valid;
}
FT_FRAME_EXIT();
@@ -997,6 +1025,8 @@
face->num_names = (FT_UShort)table->numNameRecords;
Exit:
+ FT_FREE( names );
+ FT_FREE( langTags );
return error;
}
@@ -1242,11 +1272,11 @@
}
}
- FT_TRACE3(( "sTypoAscender: %4d\n", os2->sTypoAscender ));
- FT_TRACE3(( "sTypoDescender: %4d\n", os2->sTypoDescender ));
- FT_TRACE3(( "usWinAscent: %4u\n", os2->usWinAscent ));
- FT_TRACE3(( "usWinDescent: %4u\n", os2->usWinDescent ));
- FT_TRACE3(( "fsSelection: 0x%2x\n", os2->fsSelection ));
+ FT_TRACE3(( "sTypoAscender: %4hd\n", os2->sTypoAscender ));
+ FT_TRACE3(( "sTypoDescender: %4hd\n", os2->sTypoDescender ));
+ FT_TRACE3(( "usWinAscent: %4hu\n", os2->usWinAscent ));
+ FT_TRACE3(( "usWinDescent: %4hu\n", os2->usWinDescent ));
+ FT_TRACE3(( "fsSelection: 0x%2hx\n", os2->fsSelection ));
Exit:
return error;
@@ -1304,10 +1334,16 @@
if ( FT_STREAM_READ_FIELDS( post_fields, post ) )
return error;
+ if ( post->FormatType != 0x00030000L &&
+ post->FormatType != 0x00025000L &&
+ post->FormatType != 0x00020000L &&
+ post->FormatType != 0x00010000L )
+ return FT_THROW( Invalid_Post_Table_Format );
+
/* we don't load the glyph names, we do that in another */
/* module (ttpost). */
- FT_TRACE3(( "FormatType: 0x%x\n", post->FormatType ));
+ FT_TRACE3(( "FormatType: 0x%lx\n", post->FormatType ));
FT_TRACE3(( "isFixedPitch: %s\n", post->isFixedPitch
? " yes" : " no" ));
@@ -1403,8 +1439,8 @@
FT_Error error;
FT_Memory memory = stream->memory;
- FT_UInt j,num_ranges;
- TT_GaspRange gaspranges = NULL;
+ FT_UShort j, num_ranges;
+ TT_GaspRange gasp_ranges = NULL;
/* the gasp table is optional */
@@ -1415,8 +1451,8 @@
if ( FT_FRAME_ENTER( 4L ) )
goto Exit;
- face->gasp.version = FT_GET_USHORT();
- face->gasp.numRanges = FT_GET_USHORT();
+ face->gasp.version = FT_GET_USHORT();
+ num_ranges = FT_GET_USHORT();
FT_FRAME_EXIT();
@@ -1428,29 +1464,31 @@
goto Exit;
}
- num_ranges = face->gasp.numRanges;
- FT_TRACE3(( "numRanges: %u\n", num_ranges ));
+ FT_TRACE3(( "numRanges: %hu\n", num_ranges ));
- if ( FT_QNEW_ARRAY( face->gasp.gaspRanges, num_ranges ) ||
- FT_FRAME_ENTER( num_ranges * 4L ) )
+ if ( FT_QNEW_ARRAY( gasp_ranges, num_ranges ) ||
+ FT_FRAME_ENTER( num_ranges * 4L ) )
goto Exit;
- gaspranges = face->gasp.gaspRanges;
-
for ( j = 0; j < num_ranges; j++ )
{
- gaspranges[j].maxPPEM = FT_GET_USHORT();
- gaspranges[j].gaspFlag = FT_GET_USHORT();
+ gasp_ranges[j].maxPPEM = FT_GET_USHORT();
+ gasp_ranges[j].gaspFlag = FT_GET_USHORT();
- FT_TRACE3(( "gaspRange %d: rangeMaxPPEM %5d, rangeGaspBehavior 0x%x\n",
+ FT_TRACE3(( "gaspRange %hu: rangeMaxPPEM %5hu, rangeGaspBehavior 0x%hx\n",
j,
- gaspranges[j].maxPPEM,
- gaspranges[j].gaspFlag ));
+ gasp_ranges[j].maxPPEM,
+ gasp_ranges[j].gaspFlag ));
}
+ face->gasp.gaspRanges = gasp_ranges;
+ gasp_ranges = NULL;
+ face->gasp.numRanges = num_ranges;
+
FT_FRAME_EXIT();
Exit:
+ FT_FREE( gasp_ranges );
return error;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-25 12:40:09 +0000