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authorAkira Kakuto <kakuto@fuk.kindai.ac.jp>2016-09-13 10:10:45 +0000
committerAkira Kakuto <kakuto@fuk.kindai.ac.jp>2016-09-13 10:10:45 +0000
commita8951d1db45ca51c96ffa2c431777eb37c8a2f94 (patch)
treebcaa37c326975a1771aaf85bb9a2675127f22729 /Build/source/libs/freetype2/freetype-src/src/sfnt
parent873f349d7e0ae42e35ccf4d96fce5a6cfa685fe6 (diff)
freetype 2.7.0
git-svn-id: svn://tug.org/texlive/trunk@42052 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build/source/libs/freetype2/freetype-src/src/sfnt')
-rw-r--r--Build/source/libs/freetype2/freetype-src/src/sfnt/sfdriver.c53
-rw-r--r--Build/source/libs/freetype2/freetype-src/src/sfnt/sfobjs.c2
-rw-r--r--Build/source/libs/freetype2/freetype-src/src/sfnt/ttcmap.c69
-rw-r--r--Build/source/libs/freetype2/freetype-src/src/sfnt/ttload.c13
-rw-r--r--Build/source/libs/freetype2/freetype-src/src/sfnt/ttsbit.c49
5 files changed, 132 insertions, 54 deletions
diff --git a/Build/source/libs/freetype2/freetype-src/src/sfnt/sfdriver.c b/Build/source/libs/freetype2/freetype-src/src/sfnt/sfdriver.c
index 47e89677527..22332694bbc 100644
--- a/Build/source/libs/freetype2/freetype-src/src/sfnt/sfdriver.c
+++ b/Build/source/libs/freetype2/freetype-src/src/sfnt/sfdriver.c
@@ -459,55 +459,62 @@
FT_DEFINE_SFNT_INTERFACE(
sfnt_interface,
- tt_face_goto_table,
+ tt_face_goto_table, /* TT_Loader_GotoTableFunc goto_table */
- sfnt_init_face,
- sfnt_load_face,
- sfnt_done_face,
- sfnt_get_interface,
+ sfnt_init_face, /* TT_Init_Face_Func init_face */
+ sfnt_load_face, /* TT_Load_Face_Func load_face */
+ sfnt_done_face, /* TT_Done_Face_Func done_face */
+ sfnt_get_interface, /* FT_Module_Requester get_interface */
- tt_face_load_any,
+ tt_face_load_any, /* TT_Load_Any_Func load_any */
- tt_face_load_head,
- tt_face_load_hhea,
- tt_face_load_cmap,
- tt_face_load_maxp,
- tt_face_load_os2,
- tt_face_load_post,
+ tt_face_load_head, /* TT_Load_Table_Func load_head */
+ tt_face_load_hhea, /* TT_Load_Metrics_Func load_hhea */
+ tt_face_load_cmap, /* TT_Load_Table_Func load_cmap */
+ tt_face_load_maxp, /* TT_Load_Table_Func load_maxp */
+ tt_face_load_os2, /* TT_Load_Table_Func load_os2 */
+ tt_face_load_post, /* TT_Load_Table_Func load_post */
- tt_face_load_name,
- tt_face_free_name,
+ tt_face_load_name, /* TT_Load_Table_Func load_name */
+ tt_face_free_name, /* TT_Free_Table_Func free_name */
- tt_face_load_kern,
- tt_face_load_gasp,
- tt_face_load_pclt,
+ tt_face_load_kern, /* TT_Load_Table_Func load_kern */
+ tt_face_load_gasp, /* TT_Load_Table_Func load_gasp */
+ tt_face_load_pclt, /* TT_Load_Table_Func load_init */
/* see `ttload.h' */
PUT_EMBEDDED_BITMAPS( tt_face_load_bhed ),
-
+ /* TT_Load_Table_Func load_bhed */
PUT_EMBEDDED_BITMAPS( tt_face_load_sbit_image ),
+ /* TT_Load_SBit_Image_Func load_sbit_image */
/* see `ttpost.h' */
PUT_PS_NAMES( tt_face_get_ps_name ),
+ /* TT_Get_PS_Name_Func get_psname */
PUT_PS_NAMES( tt_face_free_ps_names ),
+ /* TT_Free_Table_Func free_psnames */
/* since version 2.1.8 */
- tt_face_get_kerning,
+ tt_face_get_kerning, /* TT_Face_GetKerningFunc get_kerning */
/* since version 2.2 */
- tt_face_load_font_dir,
- tt_face_load_hmtx,
+ tt_face_load_font_dir, /* TT_Load_Table_Func load_font_dir */
+ tt_face_load_hmtx, /* TT_Load_Metrics_Func load_hmtx */
/* see `ttsbit.h' and `sfnt.h' */
PUT_EMBEDDED_BITMAPS( tt_face_load_sbit ),
+ /* TT_Load_Table_Func load_eblc */
PUT_EMBEDDED_BITMAPS( tt_face_free_sbit ),
+ /* TT_Free_Table_Func free_eblc */
PUT_EMBEDDED_BITMAPS( tt_face_set_sbit_strike ),
+ /* TT_Set_SBit_Strike_Func set_sbit_strike */
PUT_EMBEDDED_BITMAPS( tt_face_load_strike_metrics ),
+ /* TT_Load_Strike_Metrics_Func load_strike_metrics */
- tt_face_get_metrics,
+ tt_face_get_metrics, /* TT_Get_Metrics_Func get_metrics */
- tt_face_get_name
+ tt_face_get_name /* TT_Get_Name_Func get_name */
)
diff --git a/Build/source/libs/freetype2/freetype-src/src/sfnt/sfobjs.c b/Build/source/libs/freetype2/freetype-src/src/sfnt/sfobjs.c
index 2e8c1ecde6f..4413bbcf2a9 100644
--- a/Build/source/libs/freetype2/freetype-src/src/sfnt/sfobjs.c
+++ b/Build/source/libs/freetype2/freetype-src/src/sfnt/sfobjs.c
@@ -977,7 +977,7 @@
#endif
face->root.num_faces = face->ttc_header.count;
- face->root.face_index = face_index;
+ face->root.face_index = face_instance_index;
return error;
}
diff --git a/Build/source/libs/freetype2/freetype-src/src/sfnt/ttcmap.c b/Build/source/libs/freetype2/freetype-src/src/sfnt/ttcmap.c
index 01255a887ee..cd7467d4d86 100644
--- a/Build/source/libs/freetype2/freetype-src/src/sfnt/ttcmap.c
+++ b/Build/source/libs/freetype2/freetype-src/src/sfnt/ttcmap.c
@@ -763,6 +763,9 @@
static void
tt_cmap4_next( TT_CMap4 cmap )
{
+ TT_Face face = (TT_Face)cmap->cmap.cmap.charmap.face;
+ FT_Byte* limit = face->cmap_table + face->cmap_size;
+
FT_UInt charcode;
@@ -788,15 +791,19 @@
FT_Byte* p = values + 2 * ( charcode - cmap->cur_start );
+ /* if p > limit, the whole segment is invalid */
+ if ( p > limit )
+ goto Next_Segment;
+
do
{
FT_UInt gindex = FT_NEXT_USHORT( p );
- if ( gindex != 0 )
+ if ( gindex )
{
gindex = (FT_UInt)( (FT_Int)gindex + delta ) & 0xFFFFU;
- if ( gindex != 0 )
+ if ( gindex )
{
cmap->cur_charcode = charcode;
cmap->cur_gindex = gindex;
@@ -812,7 +819,26 @@
FT_UInt gindex = (FT_UInt)( (FT_Int)charcode + delta ) & 0xFFFFU;
- if ( gindex != 0 )
+ if ( gindex >= (FT_UInt)face->root.num_glyphs )
+ {
+ /* we have an invalid glyph index; if there is an overflow, */
+ /* we can adjust `charcode', otherwise the whole segment is */
+ /* invalid */
+ gindex = 0;
+
+ if ( (FT_Int)charcode + delta < 0 &&
+ (FT_Int)end + delta >= 0 )
+ charcode = (FT_UInt)( -delta );
+
+ else if ( (FT_Int)charcode + delta < 0x10000L &&
+ (FT_Int)end + delta >= 0x10000L )
+ charcode = (FT_UInt)( 0x10000L - delta );
+
+ else
+ goto Next_Segment;
+ }
+
+ if ( gindex )
{
cmap->cur_charcode = charcode;
cmap->cur_gindex = gindex;
@@ -822,6 +848,7 @@
}
}
+ Next_Segment:
/* we need to find another range */
if ( tt_cmap4_set_range( cmap, cmap->cur_range + 1 ) < 0 )
break;
@@ -1170,6 +1197,9 @@
FT_UInt32* pcharcode,
FT_Bool next )
{
+ TT_Face face = (TT_Face)cmap->cmap.charmap.face;
+ FT_Byte* limit = face->cmap_table + face->cmap_size;
+
FT_UInt num_segs2, start, end, offset;
FT_Int delta;
FT_UInt max, min, mid, num_segs;
@@ -1221,10 +1251,6 @@
if ( mid >= num_segs - 1 &&
start == 0xFFFFU && end == 0xFFFFU )
{
- TT_Face face = (TT_Face)cmap->cmap.charmap.face;
- FT_Byte* limit = face->cmap_table + face->cmap_size;
-
-
if ( offset && p + offset + 2 > limit )
{
delta = 1;
@@ -1347,13 +1373,40 @@
if ( offset )
{
p += offset + ( charcode - start ) * 2;
+
+ /* if p > limit, the whole segment is invalid */
+ if ( next && p > limit )
+ break;
+
gindex = TT_PEEK_USHORT( p );
- if ( gindex != 0 )
+ if ( gindex )
+ {
gindex = (FT_UInt)( (FT_Int)gindex + delta ) & 0xFFFFU;
+ if ( gindex >= (FT_UInt)face->root.num_glyphs )
+ gindex = 0;
+ }
}
else
+ {
gindex = (FT_UInt)( (FT_Int)charcode + delta ) & 0xFFFFU;
+ if ( next && gindex >= (FT_UInt)face->root.num_glyphs )
+ {
+ /* we have an invalid glyph index; if there is an overflow, */
+ /* we can adjust `charcode', otherwise the whole segment is */
+ /* invalid */
+ gindex = 0;
+
+ if ( (FT_Int)charcode + delta < 0 &&
+ (FT_Int)end + delta >= 0 )
+ charcode = (FT_UInt)( -delta );
+
+ else if ( (FT_Int)charcode + delta < 0x10000L &&
+ (FT_Int)end + delta >= 0x10000L )
+ charcode = (FT_UInt)( 0x10000L - delta );
+ }
+ }
+
break;
}
}
diff --git a/Build/source/libs/freetype2/freetype-src/src/sfnt/ttload.c b/Build/source/libs/freetype2/freetype-src/src/sfnt/ttload.c
index 2f5b2c38438..a653a718690 100644
--- a/Build/source/libs/freetype2/freetype-src/src/sfnt/ttload.c
+++ b/Build/source/libs/freetype2/freetype-src/src/sfnt/ttload.c
@@ -775,15 +775,6 @@
maxProfile->maxTwilightPoints = 0xFFFFU - 4;
}
-
- /* we arbitrarily limit recursion to avoid stack exhaustion */
- if ( maxProfile->maxComponentDepth > 100 )
- {
- FT_TRACE0(( "tt_face_load_maxp:"
- " abnormally large component depth (%d) set to 100\n",
- maxProfile->maxComponentDepth ));
- maxProfile->maxComponentDepth = 100;
- }
}
FT_TRACE3(( "numGlyphs: %u\n", maxProfile->numGlyphs ));
@@ -1193,8 +1184,8 @@
#define FT_STRUCTURE TT_Postscript
FT_FRAME_START( 32 ),
- FT_FRAME_ULONG( FormatType ),
- FT_FRAME_ULONG( italicAngle ),
+ FT_FRAME_LONG ( FormatType ),
+ FT_FRAME_LONG ( italicAngle ),
FT_FRAME_SHORT( underlinePosition ),
FT_FRAME_SHORT( underlineThickness ),
FT_FRAME_ULONG( isFixedPitch ),
diff --git a/Build/source/libs/freetype2/freetype-src/src/sfnt/ttsbit.c b/Build/source/libs/freetype2/freetype-src/src/sfnt/ttsbit.c
index e24e7d6cdd8..36c261dcce9 100644
--- a/Build/source/libs/freetype2/freetype-src/src/sfnt/ttsbit.c
+++ b/Build/source/libs/freetype2/freetype-src/src/sfnt/ttsbit.c
@@ -197,6 +197,27 @@
if ( !error )
FT_TRACE3(( "sbit_num_strikes: %u\n", face->sbit_num_strikes ));
+ face->ebdt_start = 0;
+ face->ebdt_size = 0;
+
+ if ( face->sbit_table_type != TT_SBIT_TABLE_TYPE_NONE )
+ {
+ FT_ULong ebdt_size;
+
+
+ error = face->goto_table( face, TTAG_CBDT, stream, &ebdt_size );
+ if ( error )
+ error = face->goto_table( face, TTAG_EBDT, stream, &ebdt_size );
+ if ( error )
+ error = face->goto_table( face, TTAG_bdat, stream, &ebdt_size );
+
+ if ( !error )
+ {
+ face->ebdt_start = FT_STREAM_POS();
+ face->ebdt_size = ebdt_size;
+ }
+ }
+
return FT_Err_Ok;
Exit:
@@ -323,6 +344,16 @@
strike[18] + /* max_width */
(FT_Char)strike[23] /* min_advance_SB */
) * 64;
+
+ /* set the scale values (in 16.16 units) so advances */
+ /* from the hmtx and vmtx table are scaled correctly */
+ metrics->x_scale = FT_MulDiv( metrics->x_ppem,
+ 64 * 0x10000,
+ face->header.Units_Per_EM );
+ metrics->y_scale = FT_MulDiv( metrics->y_ppem,
+ 64 * 0x10000,
+ face->header.Units_Per_EM );
+
return FT_Err_Ok;
}
@@ -414,17 +445,13 @@
FT_ULong strike_index,
TT_SBit_MetricsRec* metrics )
{
- FT_Error error;
+ FT_Error error = FT_ERR( Table_Missing );
FT_Stream stream = face->root.stream;
- FT_ULong ebdt_size;
- error = face->goto_table( face, TTAG_CBDT, stream, &ebdt_size );
- if ( error )
- error = face->goto_table( face, TTAG_EBDT, stream, &ebdt_size );
- if ( error )
- error = face->goto_table( face, TTAG_bdat, stream, &ebdt_size );
- if ( error )
+ if ( !face->ebdt_size )
+ goto Exit;
+ if ( FT_STREAM_SEEK( face->ebdt_start ) )
goto Exit;
decoder->face = face;
@@ -435,8 +462,8 @@
decoder->metrics_loaded = 0;
decoder->bitmap_allocated = 0;
- decoder->ebdt_start = FT_STREAM_POS();
- decoder->ebdt_size = ebdt_size;
+ decoder->ebdt_start = face->ebdt_start;
+ decoder->ebdt_size = face->ebdt_size;
decoder->eblc_base = face->sbit_table;
decoder->eblc_limit = face->sbit_table + face->sbit_table_size;
@@ -854,7 +881,7 @@
}
*pwrite++ |= ( ( rval >> nbits ) & 0xFF ) &
- ( ~( 0xFF << w ) << ( 8 - w - x_pos ) );
+ ( ~( 0xFFU << w ) << ( 8 - w - x_pos ) );
rval <<= 8;
w = line_bits - w;