diff options
author | Akira Kakuto <kakuto@fuk.kindai.ac.jp> | 2016-07-07 09:56:43 +0000 |
---|---|---|
committer | Akira Kakuto <kakuto@fuk.kindai.ac.jp> | 2016-07-07 09:56:43 +0000 |
commit | 750d5e56c495ac771c2180183e9fccc00f0fe6bf (patch) | |
tree | e2b12ae3c07d546028e969437ab8ca0eb6047540 /Build/source/libs/freetype2/freetype-src/src/pfr | |
parent | 04ab6a8796404e13e659f596d4ae1d912a82ea0f (diff) |
freetype 2.6.4
git-svn-id: svn://tug.org/texlive/trunk@41649 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build/source/libs/freetype2/freetype-src/src/pfr')
5 files changed, 156 insertions, 121 deletions
diff --git a/Build/source/libs/freetype2/freetype-src/src/pfr/pfrgload.c b/Build/source/libs/freetype2/freetype-src/src/pfr/pfrgload.c index 1dbbf95da02..f9cd1f63bbe 100644 --- a/Build/source/libs/freetype2/freetype-src/src/pfr/pfrgload.c +++ b/Build/source/libs/freetype2/freetype-src/src/pfr/pfrgload.c @@ -336,7 +336,7 @@ /* XXX: we ignore the secondary stroke and edge definitions */ /* since we don't support native PFR hinting */ /* */ - if ( flags & PFR_GLYPH_EXTRA_ITEMS ) + if ( flags & PFR_GLYPH_SINGLE_EXTRA_ITEMS ) { error = pfr_extra_items_skip( &p, limit ); if ( error ) @@ -579,7 +579,7 @@ /* ignore extra items when present */ /* */ - if ( flags & PFR_GLYPH_EXTRA_ITEMS ) + if ( flags & PFR_GLYPH_COMPOUND_EXTRA_ITEMS ) { error = pfr_extra_items_skip( &p, limit ); if ( error ) diff --git a/Build/source/libs/freetype2/freetype-src/src/pfr/pfrload.c b/Build/source/libs/freetype2/freetype-src/src/pfr/pfrload.c index ca1f37f64b4..e509e70b5d8 100644 --- a/Build/source/libs/freetype2/freetype-src/src/pfr/pfrload.c +++ b/Build/source/libs/freetype2/freetype-src/src/pfr/pfrload.c @@ -299,9 +299,15 @@ FT_READ_USHORT( count ) ) goto Exit; - /* check maximum value and a rough minimum size */ + /* check maximum value and a rough minimum size: */ + /* - no more than 13106 log fonts */ + /* - we need 5 bytes for a log header record */ + /* - we need at least 18 bytes for a log font record */ + /* - the overall size is at least 95 bytes plus the */ + /* log header and log font records */ if ( count > ( ( 1 << 16 ) - 2 ) / 5 || - 2 + count * 5 >= stream->size - section_offset ) + 2 + count * 5 >= stream->size - section_offset || + 95 + count * ( 5 + 18 ) >= stream->size ) { FT_ERROR(( "pfr_log_font_count:" " invalid number of logical fonts\n" )); @@ -377,7 +383,7 @@ if ( flags & PFR_LOG_2BYTE_STROKE ) local++; - if ( (flags & PFR_LINE_JOIN_MASK) == PFR_LINE_JOIN_MITER ) + if ( ( flags & PFR_LINE_JOIN_MASK ) == PFR_LINE_JOIN_MITER ) local += 3; } if ( flags & PFR_LOG_BOLD ) @@ -609,7 +615,7 @@ Too_Short: error = FT_THROW( Invalid_Table ); - FT_ERROR(( "pfr_exta_item_load_stem_snaps:" + FT_ERROR(( "pfr_extra_item_load_stem_snaps:" " invalid stem snaps table\n" )); goto Exit; } @@ -737,12 +743,14 @@ FT_UInt n, ok; + if ( *astring ) + FT_FREE( *astring ); + if ( len > 0 && p[len - 1] == 0 ) len--; - /* check that each character is ASCII for making sure not to - load garbage - */ + /* check that each character is ASCII */ + /* for making sure not to load garbage */ ok = ( len > 0 ); for ( n = 0; n < len; n++ ) if ( p[n] < 32 || p[n] > 127 ) @@ -759,6 +767,7 @@ FT_MEM_COPY( result, p, len ); result[len] = 0; } + Exit: *astring = result; return error; diff --git a/Build/source/libs/freetype2/freetype-src/src/pfr/pfrobjs.c b/Build/source/libs/freetype2/freetype-src/src/pfr/pfrobjs.c index 81b1312fe4b..769a3b61649 100644 --- a/Build/source/libs/freetype2/freetype-src/src/pfr/pfrobjs.c +++ b/Build/source/libs/freetype2/freetype-src/src/pfr/pfrobjs.c @@ -524,8 +524,8 @@ FT_UInt probe = power * size; FT_UInt extra = count - power; FT_Byte* base = stream->cursor; - FT_Bool twobytes = FT_BOOL( item->flags & 1 ); - FT_Bool twobyte_adj = FT_BOOL( item->flags & 2 ); + FT_Bool twobytes = FT_BOOL( item->flags & PFR_KERN_2BYTE_CHAR ); + FT_Bool twobyte_adj = FT_BOOL( item->flags & PFR_KERN_2BYTE_ADJ ); FT_Byte* p; FT_UInt32 cpair; diff --git a/Build/source/libs/freetype2/freetype-src/src/pfr/pfrsbit.c b/Build/source/libs/freetype2/freetype-src/src/pfr/pfrsbit.c index 22f6096fc74..144f50c0b33 100644 --- a/Build/source/libs/freetype2/freetype-src/src/pfr/pfrsbit.c +++ b/Build/source/libs/freetype2/freetype-src/src/pfr/pfrsbit.c @@ -277,49 +277,99 @@ pfr_lookup_bitmap_data( FT_Byte* base, FT_Byte* limit, FT_UInt count, - FT_UInt flags, + FT_UInt* flags, FT_UInt char_code, FT_ULong* found_offset, FT_ULong* found_size ) { - FT_UInt left, right, char_len; - FT_Bool two = FT_BOOL( flags & 1 ); + FT_UInt min, max, char_len; + FT_Bool two = FT_BOOL( *flags & PFR_BITMAP_2BYTE_CHARCODE ); FT_Byte* buff; char_len = 4; - if ( two ) char_len += 1; - if ( flags & 2 ) char_len += 1; - if ( flags & 4 ) char_len += 1; + if ( two ) + char_len += 1; + if ( *flags & PFR_BITMAP_2BYTE_SIZE ) + char_len += 1; + if ( *flags & PFR_BITMAP_3BYTE_OFFSET ) + char_len += 1; + + if ( !( *flags & PFR_BITMAP_CHARCODES_VALIDATED ) ) + { + FT_Byte* p; + FT_Byte* lim; + FT_UInt code; + FT_Long prev_code; - left = 0; - right = count; - while ( left < right ) - { - FT_UInt middle, code; + *flags |= PFR_BITMAP_VALID_CHARCODES; + prev_code = -1; + lim = base + count * char_len; + if ( lim > limit ) + { + FT_TRACE0(( "pfr_lookup_bitmap_data:" + " number of bitmap records too large,\n" + " " + " thus ignoring all bitmaps in this strike\n" )); + *flags &= ~PFR_BITMAP_VALID_CHARCODES; + } + else + { + /* check whether records are sorted by code */ + for ( p = base; p < lim; p += char_len ) + { + if ( two ) + code = FT_PEEK_USHORT( p ); + else + code = *p; - middle = ( left + right ) >> 1; - buff = base + middle * char_len; + if ( (FT_Long)code <= prev_code ) + { + FT_TRACE0(( "pfr_lookup_bitmap_data:" + " bitmap records are not sorted,\n" + " " + " thus ignoring all bitmaps in this strike\n" )); + *flags &= ~PFR_BITMAP_VALID_CHARCODES; + break; + } - /* check that we are not outside of the table -- */ - /* this is possible with broken fonts... */ - if ( buff + char_len > limit ) - goto Fail; + prev_code = code; + } + } + + *flags |= PFR_BITMAP_CHARCODES_VALIDATED; + } + + /* ignore bitmaps in case table is not valid */ + /* (this might be sanitized, but PFR is dead...) */ + if ( !( *flags & PFR_BITMAP_VALID_CHARCODES ) ) + goto Fail; + + min = 0; + max = count; + + /* binary search */ + while ( min < max ) + { + FT_UInt mid, code; + + + mid = ( min + max ) >> 1; + buff = base + mid * char_len; if ( two ) code = PFR_NEXT_USHORT( buff ); else code = PFR_NEXT_BYTE( buff ); - if ( code == char_code ) - goto Found_It; - - if ( code < char_code ) - left = middle; + if ( char_code < code ) + max = mid; + else if ( char_code > code ) + min = mid + 1; else - right = middle; + goto Found_It; } Fail: @@ -329,12 +379,12 @@ return; Found_It: - if ( flags & 2 ) + if ( *flags & PFR_BITMAP_2BYTE_SIZE ) *found_size = PFR_NEXT_USHORT( buff ); else *found_size = PFR_NEXT_BYTE( buff ); - if ( flags & 4 ) + if ( *flags & PFR_BITMAP_3BYTE_OFFSET ) *found_offset = PFR_NEXT_ULONG( buff ); else *found_offset = PFR_NEXT_USHORT( buff ); @@ -357,7 +407,6 @@ { FT_Error error = FT_Err_Ok; FT_Byte flags; - FT_Char c; FT_Byte b; FT_Byte* p = *pdata; FT_Long xpos, ypos, advance; @@ -377,9 +426,9 @@ { case 0: PFR_CHECK( 1 ); - c = PFR_NEXT_INT8( p ); - xpos = c >> 4; - ypos = ( (FT_Char)( c << 4 ) ) >> 4; + b = PFR_NEXT_BYTE( p ); + xpos = (FT_Char)b >> 4; + ypos = ( (FT_Char)( b << 4 ) ) >> 4; break; case 1: @@ -445,7 +494,7 @@ case 1: PFR_CHECK( 1 ); - advance = PFR_NEXT_INT8( p ) << 8; + advance = PFR_NEXT_INT8( p ) * 256; break; case 2: @@ -571,9 +620,12 @@ char_len = 4; - if ( strike->flags & 1 ) char_len += 1; - if ( strike->flags & 2 ) char_len += 1; - if ( strike->flags & 4 ) char_len += 1; + if ( strike->flags & PFR_BITMAP_2BYTE_CHARCODE ) + char_len += 1; + if ( strike->flags & PFR_BITMAP_2BYTE_SIZE ) + char_len += 1; + if ( strike->flags & PFR_BITMAP_3BYTE_OFFSET ) + char_len += 1; /* access data directly in the frame to speed lookups */ if ( FT_STREAM_SEEK( phys->bct_offset + strike->bct_offset ) || @@ -583,7 +635,7 @@ pfr_lookup_bitmap_data( stream->cursor, stream->limit, strike->num_bitmaps, - strike->flags, + &strike->flags, character->char_code, &gps_offset, &gps_size ); @@ -630,6 +682,8 @@ &xpos, &ypos, &xsize, &ysize, &advance, &format ); + if ( error ) + goto Exit1; /* * Before allocating the target bitmap, we check whether the given @@ -675,7 +729,7 @@ { if ( FT_ERR_EQ( error, Invalid_Table ) ) FT_ERROR(( "pfr_slot_load_bitmap: invalid bitmap dimensions\n" )); - goto Exit; + goto Exit1; } /* @@ -710,8 +764,8 @@ /* XXX: needs casts to fit FT_Glyph_Metrics.{width|height} */ glyph->root.metrics.width = (FT_Pos)xsize << 6; glyph->root.metrics.height = (FT_Pos)ysize << 6; - glyph->root.metrics.horiBearingX = xpos << 6; - glyph->root.metrics.horiBearingY = ypos << 6; + glyph->root.metrics.horiBearingX = xpos * 64; + glyph->root.metrics.horiBearingY = ypos * 64; glyph->root.metrics.horiAdvance = FT_PIX_ROUND( ( advance >> 2 ) ); glyph->root.metrics.vertBearingX = - glyph->root.metrics.width >> 1; glyph->root.metrics.vertBearingY = 0; @@ -732,11 +786,13 @@ p, stream->limit, format, - FT_BOOL(face->header.color_flags & 2), + FT_BOOL( face->header.color_flags & + PFR_FLAG_INVERT_BITMAP ), &glyph->root.bitmap ); } } + Exit1: FT_FRAME_EXIT(); } diff --git a/Build/source/libs/freetype2/freetype-src/src/pfr/pfrtypes.h b/Build/source/libs/freetype2/freetype-src/src/pfr/pfrtypes.h index 592acbd7db5..bd6c2cd30c9 100644 --- a/Build/source/libs/freetype2/freetype-src/src/pfr/pfrtypes.h +++ b/Build/source/libs/freetype2/freetype-src/src/pfr/pfrtypes.h @@ -69,12 +69,8 @@ FT_BEGIN_HEADER /* used in `color_flags' field of the PFR_Header */ - typedef enum PFR_HeaderFlags_ - { - PFR_FLAG_BLACK_PIXEL = 1, - PFR_FLAG_INVERT_BITMAP = 2 - - } PFR_HeaderFlags; +#define PFR_FLAG_BLACK_PIXEL 0x01U +#define PFR_FLAG_INVERT_BITMAP 0x02U /************************************************************************/ @@ -96,36 +92,27 @@ FT_BEGIN_HEADER } PFR_LogFontRec, *PFR_LogFont; - typedef enum PFR_LogFlags_ - { - PFR_LOG_EXTRA_ITEMS = 0x40, - PFR_LOG_2BYTE_BOLD = 0x20, - PFR_LOG_BOLD = 0x10, - PFR_LOG_2BYTE_STROKE = 8, - PFR_LOG_STROKE = 4, - PFR_LINE_JOIN_MASK = 3 +#define PFR_LINE_JOIN_MITER 0x00U +#define PFR_LINE_JOIN_ROUND 0x01U +#define PFR_LINE_JOIN_BEVEL 0x02U +#define PFR_LINE_JOIN_MASK ( PFR_LINE_JOIN_ROUND | PFR_LINE_JOIN_BEVEL ) - } PFR_LogFlags; - - - typedef enum PFR_LineJoinFlags_ - { - PFR_LINE_JOIN_MITER = 0, - PFR_LINE_JOIN_ROUND = 1, - PFR_LINE_JOIN_BEVEL = 2 - - } PFR_LineJoinFlags; +#define PFR_LOG_STROKE 0x04U +#define PFR_LOG_2BYTE_STROKE 0x08U +#define PFR_LOG_BOLD 0x10U +#define PFR_LOG_2BYTE_BOLD 0x20U +#define PFR_LOG_EXTRA_ITEMS 0x40U /************************************************************************/ - typedef enum PFR_BitmapFlags_ - { - PFR_BITMAP_3BYTE_OFFSET = 4, - PFR_BITMAP_2BYTE_SIZE = 2, - PFR_BITMAP_2BYTE_CHARCODE = 1 +#define PFR_BITMAP_2BYTE_CHARCODE 0x01U +#define PFR_BITMAP_2BYTE_SIZE 0x02U +#define PFR_BITMAP_3BYTE_OFFSET 0x04U - } PFR_BitmapFlags; + /*not part of the specification but used for implementation */ +#define PFR_BITMAP_CHARCODES_VALIDATED 0x40U +#define PFR_BITMAP_VALID_CHARCODES 0x80U typedef struct PFR_BitmapCharRec_ @@ -137,15 +124,11 @@ FT_BEGIN_HEADER } PFR_BitmapCharRec, *PFR_BitmapChar; - typedef enum PFR_StrikeFlags_ - { - PFR_STRIKE_2BYTE_COUNT = 0x10, - PFR_STRIKE_3BYTE_OFFSET = 0x08, - PFR_STRIKE_3BYTE_SIZE = 0x04, - PFR_STRIKE_2BYTE_YPPM = 0x02, - PFR_STRIKE_2BYTE_XPPM = 0x01 - - } PFR_StrikeFlags; +#define PFR_STRIKE_2BYTE_XPPM 0x01U +#define PFR_STRIKE_2BYTE_YPPM 0x02U +#define PFR_STRIKE_3BYTE_SIZE 0x04U +#define PFR_STRIKE_3BYTE_OFFSET 0x08U +#define PFR_STRIKE_2BYTE_COUNT 0x10U typedef struct PFR_StrikeRec_ @@ -266,38 +249,29 @@ FT_BEGIN_HEADER } PFR_PhyFontRec, *PFR_PhyFont; - typedef enum PFR_PhyFlags_ - { - PFR_PHY_EXTRA_ITEMS = 0x80, - PFR_PHY_3BYTE_GPS_OFFSET = 0x20, - PFR_PHY_2BYTE_GPS_SIZE = 0x10, - PFR_PHY_ASCII_CODE = 0x08, - PFR_PHY_PROPORTIONAL = 0x04, - PFR_PHY_2BYTE_CHARCODE = 0x02, - PFR_PHY_VERTICAL = 0x01 - - } PFR_PhyFlags; +#define PFR_PHY_VERTICAL 0x01U +#define PFR_PHY_2BYTE_CHARCODE 0x02U +#define PFR_PHY_PROPORTIONAL 0x04U +#define PFR_PHY_ASCII_CODE 0x08U +#define PFR_PHY_2BYTE_GPS_SIZE 0x10U +#define PFR_PHY_3BYTE_GPS_OFFSET 0x20U +#define PFR_PHY_EXTRA_ITEMS 0x80U - typedef enum PFR_KernFlags_ - { - PFR_KERN_2BYTE_CHAR = 0x01, - PFR_KERN_2BYTE_ADJ = 0x02 - - } PFR_KernFlags; +#define PFR_KERN_2BYTE_CHAR 0x01U +#define PFR_KERN_2BYTE_ADJ 0x02U /************************************************************************/ - typedef enum PFR_GlyphFlags_ - { - PFR_GLYPH_IS_COMPOUND = 0x80, - PFR_GLYPH_EXTRA_ITEMS = 0x08, - PFR_GLYPH_1BYTE_XYCOUNT = 0x04, - PFR_GLYPH_XCOUNT = 0x02, - PFR_GLYPH_YCOUNT = 0x01 +#define PFR_GLYPH_YCOUNT 0x01U +#define PFR_GLYPH_XCOUNT 0x02U +#define PFR_GLYPH_1BYTE_XYCOUNT 0x04U + +#define PFR_GLYPH_SINGLE_EXTRA_ITEMS 0x08U +#define PFR_GLYPH_COMPOUND_EXTRA_ITEMS 0x40U - } PFR_GlyphFlags; +#define PFR_GLYPH_IS_COMPOUND 0x80U /* controlled coordinate */ @@ -321,14 +295,10 @@ FT_BEGIN_HEADER } PFR_SubGlyphRec, *PFR_SubGlyph; - typedef enum PFR_SubgGlyphFlags_ - { - PFR_SUBGLYPH_3BYTE_OFFSET = 0x80, - PFR_SUBGLYPH_2BYTE_SIZE = 0x40, - PFR_SUBGLYPH_YSCALE = 0x20, - PFR_SUBGLYPH_XSCALE = 0x10 - - } PFR_SubGlyphFlags; +#define PFR_SUBGLYPH_XSCALE 0x10U +#define PFR_SUBGLYPH_YSCALE 0x20U +#define PFR_SUBGLYPH_2BYTE_SIZE 0x40U +#define PFR_SUBGLYPH_3BYTE_OFFSET 0x80U typedef struct PFR_GlyphRec_ |