diff options
Diffstat (limited to 'Build/source/libs/freetype2/freetype-src/src/sfnt/sfwoff2.c')
-rw-r--r-- | Build/source/libs/freetype2/freetype-src/src/sfnt/sfwoff2.c | 99 |
1 files changed, 54 insertions, 45 deletions
diff --git a/Build/source/libs/freetype2/freetype-src/src/sfnt/sfwoff2.c b/Build/source/libs/freetype2/freetype-src/src/sfnt/sfwoff2.c index 1b99e7d28c1..73d19f513df 100644 --- a/Build/source/libs/freetype2/freetype-src/src/sfnt/sfwoff2.c +++ b/Build/source/libs/freetype2/freetype-src/src/sfnt/sfwoff2.c @@ -15,12 +15,11 @@ * */ -#include <ft2build.h> #include "sfwoff2.h" #include "woff2tags.h" -#include FT_TRUETYPE_TAGS_H -#include FT_INTERNAL_DEBUG_H -#include FT_INTERNAL_STREAM_H +#include <freetype/tttags.h> +#include <freetype/internal/ftdebug.h> +#include <freetype/internal/ftstream.h> #ifdef FT_CONFIG_OPTION_USE_BROTLI @@ -44,7 +43,8 @@ #define READ_BASE128( var ) FT_SET_ERROR( ReadBase128( stream, &var ) ) -#define ROUND4( var ) ( ( var + 3 ) & ~3 ) + /* `var' should be FT_ULong */ +#define ROUND4( var ) ( ( var + 3 ) & ~3UL ) #define WRITE_USHORT( p, v ) \ do \ @@ -64,12 +64,12 @@ \ } while ( 0 ) -#define WRITE_SHORT( p, v ) \ - do \ - { \ - *(p)++ = ( (v) >> 8 ); \ - *(p)++ = ( (v) >> 0 ); \ - \ +#define WRITE_SHORT( p, v ) \ + do \ + { \ + *(p)++ = (FT_Byte)( (v) >> 8 ); \ + *(p)++ = (FT_Byte)( (v) >> 0 ); \ + \ } while ( 0 ) #define WRITE_SFNT_BUF( buf, s ) \ @@ -281,12 +281,12 @@ /* Calculate table checksum of `buf'. */ - static FT_Long + static FT_ULong compute_ULong_sum( FT_Byte* buf, FT_ULong size ) { FT_ULong checksum = 0; - FT_ULong aligned_size = size & ~3; + FT_ULong aligned_size = size & ~3UL; FT_ULong i; FT_ULong v; @@ -318,7 +318,9 @@ { #ifdef FT_CONFIG_OPTION_USE_BROTLI - FT_ULong uncompressed_size = dst_size; + /* this cast is only of importance on 32bit systems; */ + /* we don't validate it */ + FT_Offset uncompressed_size = (FT_Offset)dst_size; BrotliDecoderResult result; @@ -537,12 +539,12 @@ FT_ULong* glyph_size ) { FT_UInt flag_offset = 10 + ( 2 * n_contours ) + 2 + instruction_len; - FT_Int last_flag = -1; - FT_Int repeat_count = 0; - FT_Int last_x = 0; - FT_Int last_y = 0; - FT_UInt x_bytes = 0; - FT_UInt y_bytes = 0; + FT_Byte last_flag = 0xFFU; + FT_Byte repeat_count = 0; + FT_Int last_x = 0; + FT_Int last_y = 0; + FT_UInt x_bytes = 0; + FT_UInt y_bytes = 0; FT_UInt xy_bytes; FT_UInt i; FT_UInt x_offset; @@ -554,9 +556,9 @@ { const WOFF2_PointRec point = points[i]; - FT_Int flag = point.on_curve ? GLYF_ON_CURVE : 0; - FT_Int dx = point.x - last_x; - FT_Int dy = point.y - last_y; + FT_Byte flag = point.on_curve ? GLYF_ON_CURVE : 0; + FT_Int dx = point.x - last_x; + FT_Int dy = point.y - last_y; if ( dx == 0 ) @@ -633,7 +635,7 @@ if ( dx == 0 ) ; else if ( dx > -256 && dx < 256 ) - dst[x_offset++] = FT_ABS( dx ); + dst[x_offset++] = (FT_Byte)FT_ABS( dx ); else { pointer = dst + x_offset; @@ -646,7 +648,7 @@ if ( dy == 0 ) ; else if ( dy > -256 && dy < 256 ) - dst[y_offset++] = FT_ABS( dy ); + dst[y_offset++] = (FT_Byte)FT_ABS( dy ); else { pointer = dst + y_offset; @@ -918,7 +920,7 @@ bbox_bitmap_offset = substreams[BBOX_STREAM].offset; /* Size of bboxBitmap = 4 * floor((numGlyphs + 31) / 32) */ - bitmap_length = ( ( num_glyphs + 31 ) >> 5 ) << 2; + bitmap_length = ( ( num_glyphs + 31U ) >> 5 ) << 2; substreams[BBOX_STREAM].offset += bitmap_length; glyph_buf_size = WOFF2_DEFAULT_GLYPH_BUF; @@ -1196,7 +1198,7 @@ /* Store x_mins, may be required to reconstruct `hmtx'. */ if ( n_contours > 0 ) - info->x_mins[i] = x_min; + info->x_mins[i] = (FT_Short)x_min; } info->glyf_table->dst_length = dest_offset - info->glyf_table->dst_offset; @@ -1220,7 +1222,7 @@ FT_TRACE4(( " loca table info:\n" )); FT_TRACE4(( " dst_offset = %lu\n", info->loca_table->dst_offset )); FT_TRACE4(( " dst_length = %lu\n", info->loca_table->dst_length )); - FT_TRACE4(( " checksum = %09x\n", *loca_checksum )); + FT_TRACE4(( " checksum = %09lx\n", *loca_checksum )); /* Set pointer `sfnt_bytes' to its correct value. */ *sfnt_bytes = sfnt; @@ -1287,6 +1289,12 @@ return FT_THROW( Invalid_Table ); } + if ( !info->loca_table ) + { + FT_ERROR(( "`loca' table is missing.\n" )); + return FT_THROW( Invalid_Table ); + } + /* Read `numGlyphs' field from `maxp' table. */ if ( FT_STREAM_SEEK( maxp_table->src_offset ) || FT_STREAM_SKIP( 8 ) ) return error; @@ -1338,7 +1346,7 @@ if ( FT_STREAM_SEEK( glyf_offset ) || FT_STREAM_SKIP( 2 ) ) return error; - if ( FT_READ_USHORT( info->x_mins[i] ) ) + if ( FT_READ_SHORT( info->x_mins[i] ) ) return error; } @@ -1565,7 +1573,7 @@ WOFF2_TableRec table = *( indices[nn] ); - FT_TRACE3(( "Seeking to %d with table size %d.\n", + FT_TRACE3(( "Seeking to %ld with table size %ld.\n", table.src_offset, table.src_length )); FT_TRACE3(( "Table tag: %c%c%c%c.\n", (FT_Char)( table.Tag >> 24 ), @@ -1606,7 +1614,7 @@ checksum = compute_ULong_sum( transformed_buf + table.src_offset, table.src_length ); - FT_TRACE4(( "Checksum = %09x.\n", checksum )); + FT_TRACE4(( "Checksum = %09lx.\n", checksum )); if ( WRITE_SFNT_BUF( transformed_buf + table.src_offset, table.src_length ) ) @@ -1631,7 +1639,7 @@ memory ) ) goto Fail; - FT_TRACE4(( "Checksum = %09x.\n", checksum )); + FT_TRACE4(( "Checksum = %09lx.\n", checksum )); } else if ( table.Tag == TTAG_loca ) @@ -1707,7 +1715,7 @@ WRITE_ULONG( buf_cursor, font_checksum ); - FT_TRACE2(( "Final checksum = %09x.\n", font_checksum )); + FT_TRACE2(( "Final checksum = %09lx.\n", font_checksum )); woff2->actual_sfnt_size = dest_offset; @@ -1804,15 +1812,15 @@ if ( FT_STREAM_READ_FIELDS( woff2_header_fields, &woff2 ) ) return error; - FT_TRACE4(( "signature -> 0x%X\n", woff2.signature )); + FT_TRACE4(( "signature -> 0x%lX\n", woff2.signature )); FT_TRACE2(( "flavor -> 0x%08lx\n", woff2.flavor )); FT_TRACE4(( "length -> %lu\n", woff2.length )); FT_TRACE2(( "num_tables -> %hu\n", woff2.num_tables )); FT_TRACE4(( "totalSfntSize -> %lu\n", woff2.totalSfntSize )); - FT_TRACE4(( "metaOffset -> %hu\n", woff2.metaOffset )); - FT_TRACE4(( "metaLength -> %hu\n", woff2.metaLength )); - FT_TRACE4(( "privOffset -> %hu\n", woff2.privOffset )); - FT_TRACE4(( "privLength -> %hu\n", woff2.privLength )); + FT_TRACE4(( "metaOffset -> %lu\n", woff2.metaOffset )); + FT_TRACE4(( "metaLength -> %lu\n", woff2.metaLength )); + FT_TRACE4(( "privOffset -> %lu\n", woff2.privOffset )); + FT_TRACE4(( "privLength -> %lu\n", woff2.privLength )); /* Make sure we don't recurse back here. */ if ( woff2.flavor == TTAG_wOF2 ) @@ -1844,9 +1852,11 @@ FT_NEW_ARRAY( indices, woff2.num_tables ) ) goto Exit; - FT_TRACE2(( "\n" - " tag flags transform origLen transformLen\n" - " --------------------------------------------------\n" )); + FT_TRACE2(( + "\n" + " tag flags transform origLen transformLen offset\n" + " -----------------------------------------------------------\n" )); + /* " XXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX" */ for ( nn = 0; nn < woff2.num_tables; nn++ ) { @@ -1916,7 +1926,7 @@ src_offset += table->TransformLength; table->flags = flags; - FT_TRACE2(( " %c%c%c%c %08d %08d %08ld %08ld\n", + FT_TRACE2(( " %c%c%c%c %08d %08d %08ld %08ld %08ld\n", (FT_Char)( table->Tag >> 24 ), (FT_Char)( table->Tag >> 16 ), (FT_Char)( table->Tag >> 8 ), @@ -1925,7 +1935,6 @@ ( table->FlagByte >> 6 ) & 0x03, table->dst_length, table->TransformLength, - table->src_length, table->src_offset )); indices[nn] = table; @@ -1971,7 +1980,7 @@ goto Exit; } - FT_TRACE4(( "Number of fonts in TTC: %ld\n", woff2.num_fonts )); + FT_TRACE4(( "Number of fonts in TTC: %d\n", woff2.num_fonts )); if ( FT_NEW_ARRAY( woff2.ttc_fonts, woff2.num_fonts ) ) goto Exit; @@ -1989,7 +1998,7 @@ if ( FT_NEW_ARRAY( ttc_font->table_indices, ttc_font->num_tables ) ) goto Exit; - FT_TRACE5(( "Number of tables in font %d: %ld\n", + FT_TRACE5(( "Number of tables in font %d: %d\n", nn, ttc_font->num_tables )); #ifdef FT_DEBUG_LEVEL_TRACE |