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authorDavid 'Digit' Turner <digit@google.com>2009-06-09 19:29:03 +0200
committerDavid 'Digit' Turner <digit@google.com>2009-06-09 19:29:03 +0200
commitee49e074127d93fccae763baaec3e93b6728ff80 (patch)
tree99a277e9a0ed635ffc8aaf8179dcba5ebc0cf9cd /src
parent989b6c878d007b154ca92273b4266686f8dbc315 (diff)
parent77f63d23f7d380b0ff02c18fd6a154ab9063128a (diff)
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resolved conflicts for merge 77f63d to master
Diffstat (limited to 'src')
-rw-r--r--src/base/ftmm.c4
-rw-r--r--src/base/ftobjs.c17
-rw-r--r--src/base/ftrfork.c8
-rw-r--r--src/base/ftstroke.c5
-rw-r--r--src/cff/cffdrivr.c70
-rw-r--r--src/cff/cffgload.c4
-rw-r--r--src/cff/cffload.c8
-rw-r--r--src/cff/cffparse.c4
-rw-r--r--src/raster/ftraster.c6
-rw-r--r--src/sfnt/ttcmap.c118
-rw-r--r--src/sfnt/ttkern.c29
-rw-r--r--src/sfnt/ttsbit.c6
-rw-r--r--src/sfnt/ttsbit0.c55
13 files changed, 244 insertions, 90 deletions
diff --git a/src/base/ftmm.c b/src/base/ftmm.c
index 586d5e8..0307729 100644
--- a/src/base/ftmm.c
+++ b/src/base/ftmm.c
@@ -4,7 +4,7 @@
/* */
/* Multiple Master font support (body). */
/* */
-/* Copyright 1996-2001, 2003, 2004 by */
+/* Copyright 1996-2001, 2003, 2004, 2009 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
@@ -52,7 +52,7 @@
*aservice,
MULTI_MASTERS );
- if ( aservice )
+ if ( *aservice )
error = FT_Err_Ok;
}
diff --git a/src/base/ftobjs.c b/src/base/ftobjs.c
index 89892df..72dea33 100644
--- a/src/base/ftobjs.c
+++ b/src/base/ftobjs.c
@@ -1140,6 +1140,7 @@
args.flags = FT_OPEN_PATHNAME;
args.pathname = (char*)pathname;
+ args.stream = NULL;
return FT_Open_Face( library, &args, face_index, aface );
}
@@ -1166,6 +1167,7 @@
args.flags = FT_OPEN_MEMORY;
args.memory_base = file_base;
args.memory_size = file_size;
+ args.stream = NULL;
return FT_Open_Face( library, &args, face_index, aface );
}
@@ -1436,8 +1438,19 @@
is_sfnt_cid ? "cid" : "type1",
aface );
Exit:
- FT_Stream_Seek( stream, pos );
- return error;
+ {
+ FT_Error error1;
+
+
+ if ( error == FT_Err_Unknown_File_Format )
+ {
+ error1 = FT_Stream_Seek( stream, pos );
+ if ( error1 )
+ return error1;
+ }
+
+ return error;
+ }
}
diff --git a/src/base/ftrfork.c b/src/base/ftrfork.c
index 719570d..d59a076 100644
--- a/src/base/ftrfork.c
+++ b/src/base/ftrfork.c
@@ -4,7 +4,7 @@
/* */
/* Embedded resource forks accessor (body). */
/* */
-/* Copyright 2004, 2005, 2006, 2007, 2008 by */
+/* Copyright 2004, 2005, 2006, 2007, 2008, 2009 by */
/* Masatake YAMATO and Redhat K.K. */
/* */
/* FT_Raccess_Get_HeaderInfo() and raccess_guess_darwin_hfsplus() are */
@@ -709,8 +709,12 @@
return FT_Err_Ok;
}
else
- FT_Stream_Skip( stream, 4 + 4 ); /* offset + length */
+ {
+ error = FT_Stream_Skip( stream, 4 + 4 ); /* offset + length */
+ if ( error )
+ return error;
}
+ }
return FT_Err_Unknown_File_Format;
}
diff --git a/src/base/ftstroke.c b/src/base/ftstroke.c
index fd04d27..3f5421f 100644
--- a/src/base/ftstroke.c
+++ b/src/base/ftstroke.c
@@ -4,7 +4,7 @@
/* */
/* FreeType path stroker (body). */
/* */
-/* Copyright 2002, 2003, 2004, 2005, 2006, 2008 by */
+/* Copyright 2002, 2003, 2004, 2005, 2006, 2008, 2009 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
@@ -606,9 +606,6 @@
if ( tags[0] & FT_STROKE_TAG_END )
{
- if ( in_contour == 0 )
- goto Fail;
-
in_contour = 0;
num_contours++;
}
diff --git a/src/cff/cffdrivr.c b/src/cff/cffdrivr.c
index 286c0b3..3dd86f2 100644
--- a/src/cff/cffdrivr.c
+++ b/src/cff/cffdrivr.c
@@ -370,7 +370,8 @@
cff->font_info = font_info;
}
- *afont_info = *cff->font_info;
+ if ( cff )
+ *afont_info = *cff->font_info;
Fail:
return error;
@@ -506,9 +507,74 @@
}
+ static FT_Error
+ cff_get_is_cid( CFF_Face face,
+ FT_Bool *is_cid )
+ {
+ FT_Error error = CFF_Err_Ok;
+ CFF_Font cff = (CFF_Font)face->extra.data;
+
+
+ *is_cid = 0;
+
+ if ( cff )
+ {
+ CFF_FontRecDict dict = &cff->top_font.font_dict;
+
+
+ if ( dict->cid_registry != 0xFFFFU )
+ *is_cid = 1;
+ }
+
+ return error;
+ }
+
+
+ static FT_Error
+ cff_get_cid_from_glyph_index( CFF_Face face,
+ FT_UInt glyph_index,
+ FT_UInt *cid )
+ {
+ FT_Error error = CFF_Err_Ok;
+ CFF_Font cff;
+
+
+ cff = (CFF_Font)face->extra.data;
+
+ if ( cff )
+ {
+ FT_UInt c;
+ CFF_FontRecDict dict = &cff->top_font.font_dict;
+
+
+ if ( dict->cid_registry == 0xFFFFU )
+ {
+ error = CFF_Err_Invalid_Argument;
+ goto Fail;
+ }
+
+ if ( glyph_index > cff->num_glyphs )
+ {
+ error = CFF_Err_Invalid_Argument;
+ goto Fail;
+ }
+
+ c = cff->charset.sids[glyph_index];
+
+ if ( cid )
+ *cid = c;
+ }
+
+ Fail:
+ return error;
+ }
+
+
static const FT_Service_CIDRec cff_service_cid_info =
{
- (FT_CID_GetRegistryOrderingSupplementFunc)cff_get_ros
+ (FT_CID_GetRegistryOrderingSupplementFunc)cff_get_ros,
+ (FT_CID_GetIsInternallyCIDKeyedFunc) cff_get_is_cid,
+ (FT_CID_GetCIDFromGlyphIndexFunc) cff_get_cid_from_glyph_index
};
diff --git a/src/cff/cffgload.c b/src/cff/cffgload.c
index c64c6f4..2718a27 100644
--- a/src/cff/cffgload.c
+++ b/src/cff/cffgload.c
@@ -4,7 +4,7 @@
/* */
/* OpenType Glyph Loader (body). */
/* */
-/* Copyright 1996-2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 by */
+/* Copyright 1996-2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
@@ -420,7 +420,7 @@
sub = cff->subfonts[fd_index];
- if ( builder->hints_funcs )
+ if ( builder->hints_funcs && size )
{
CFF_Internal internal = (CFF_Internal)size->root.internal;
diff --git a/src/cff/cffload.c b/src/cff/cffload.c
index 0178c81..22163fb 100644
--- a/src/cff/cffload.c
+++ b/src/cff/cffload.c
@@ -4,7 +4,7 @@
/* */
/* OpenType and CFF data/program tables loader (body). */
/* */
-/* Copyright 1996-2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 by */
+/* Copyright 1996-2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
@@ -319,7 +319,7 @@
static FT_Error
cff_index_load_offsets( CFF_Index idx )
{
- FT_Error error = 0;
+ FT_Error error = CFF_Err_Ok;
FT_Stream stream = idx->stream;
FT_Memory memory = stream->memory;
@@ -402,6 +402,7 @@
old_offset = 1;
for ( n = 0; n <= idx->count; n++ )
{
+ /* at this point, `idx->offsets' can't be NULL */
offset = idx->offsets[n];
if ( !offset )
offset = old_offset;
@@ -1540,9 +1541,6 @@
if ( error )
goto Exit;
}
- else
- /* CID-keyed fonts only need CIDs */
- FT_FREE( font->charset.sids );
}
/* get the font name (/CIDFontName for CID-keyed fonts, */
diff --git a/src/cff/cffparse.c b/src/cff/cffparse.c
index 524d80c..290595f 100644
--- a/src/cff/cffparse.c
+++ b/src/cff/cffparse.c
@@ -4,7 +4,7 @@
/* */
/* CFF token stream parser (body) */
/* */
-/* Copyright 1996-2001, 2002, 2003, 2004, 2007, 2008 by */
+/* Copyright 1996-2001, 2002, 2003, 2004, 2007, 2008, 2009 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
@@ -244,7 +244,7 @@
if ( !nib && !number )
exponent_add--;
/* Only add digit if we don't overflow. */
- else if ( number < 0xCCCCCCCL )
+ else if ( number < 0xCCCCCCCL && fraction_length < 9 )
{
fraction_length++;
number = number * 10 + nib;
diff --git a/src/raster/ftraster.c b/src/raster/ftraster.c
index ccb2e78..eb9c4a4 100644
--- a/src/raster/ftraster.c
+++ b/src/raster/ftraster.c
@@ -4,7 +4,7 @@
/* */
/* The FreeType glyph rasterizer (body). */
/* */
-/* Copyright 1996-2001, 2002, 2003, 2005, 2007, 2008 by */
+/* Copyright 1996-2001, 2002, 2003, 2005, 2007, 2008, 2009 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
@@ -811,10 +811,10 @@ a };
n = ras.num_Profs;
+ p = ras.fProfile;
- if ( n > 1 )
+ if ( n > 1 && p )
{
- p = ras.fProfile;
while ( n > 0 )
{
if ( n > 1 )
diff --git a/src/sfnt/ttcmap.c b/src/sfnt/ttcmap.c
index 67b6684..6830391 100644
--- a/src/sfnt/ttcmap.c
+++ b/src/sfnt/ttcmap.c
@@ -231,7 +231,7 @@
/* language 4 USHORT Mac language code */
/* keys 6 USHORT[256] sub-header keys */
/* subs 518 SUBHEAD[NSUBS] sub-headers array */
- /* glyph_ids 518+NSUB*8 USHORT[] glyph id array */
+ /* glyph_ids 518+NSUB*8 USHORT[] glyph ID array */
/* */
/* The `keys' table is used to map charcode high-bytes to sub-headers. */
/* The value of `NSUBS' is the number of sub-headers defined in the */
@@ -282,7 +282,7 @@
FT_UInt n, max_subs;
FT_Byte* keys; /* keys table */
FT_Byte* subs; /* sub-headers */
- FT_Byte* glyph_ids; /* glyph id array */
+ FT_Byte* glyph_ids; /* glyph ID array */
if ( table + length > valid->limit || length < 6 + 512 )
@@ -605,14 +605,14 @@
/* each segment; can be */
/* zero */
/* */
- /* glyphIds 16+NUM_SEGS*8 USHORT[] array of glyph id */
+ /* glyphIds 16+NUM_SEGS*8 USHORT[] array of glyph ID */
/* ranges */
/* */
/* Character codes are modelled by a series of ordered (increasing) */
/* intervals called segments. Each segment has start and end codes, */
/* provided by the `startCount' and `endCount' arrays. Segments must */
- /* not be overlapping and the last segment should always contain the */
- /* `0xFFFF' endCount. */
+ /* not overlap, and the last segment should always contain the value */
+ /* 0xFFFF for `endCount'. */
/* */
/* The fields `searchRange', `entrySelector' and `rangeShift' are better */
/* ignored (they are traces of over-engineering in the TrueType */
@@ -629,10 +629,10 @@
/* the segment, and the value of `idDelta' is added to it. */
/* */
/* */
- /* Finally, note that certain fonts contain invalid charmaps that */
- /* contain end=0xFFFF, start=0xFFFF, delta=0x0001, offset=0xFFFF at the */
- /* of their charmaps (e.g. opens___.ttf which comes with OpenOffice.org) */
- /* we need special code to deal with them correctly... */
+ /* Finally, note that a lot of fonts contain an invalid last segment, */
+ /* where `start' and `end' are correctly set to 0xFFFF but both `delta' */
+ /* and `offset' are incorrect (e.g., `opens___.ttf' which comes with */
+ /* OpenOffice.org). We need special code to deal with them correctly. */
/* */
#ifdef TT_CONFIG_CMAP_FORMAT_4
@@ -697,13 +697,22 @@
p += num_ranges * 2;
offset = FT_PEEK_USHORT( p );
- /* some fonts handle the last segment incorrectly; */
- /* we have to catch it */
+ /* some fonts have an incorrect last segment; */
+ /* we have to catch it */
if ( range_index >= num_ranges - 1 &&
cmap->cur_start == 0xFFFFU &&
- cmap->cur_end == 0xFFFFU &&
- cmap->cur_delta == 0x1U )
- offset = 0;
+ cmap->cur_end == 0xFFFFU )
+ {
+ TT_Face face = (TT_Face)cmap->cmap.cmap.charmap.face;
+ FT_Byte* limit = face->cmap_table + face->cmap_size;
+
+
+ if ( offset && p + offset + 2 > limit )
+ {
+ cmap->cur_delta = 1;
+ offset = 0;
+ }
+ }
if ( offset != 0xFFFFU )
{
@@ -870,7 +879,7 @@
offsets = deltas + num_segs * 2;
glyph_ids = offsets + num_segs * 2;
- /* check last segment, its end count must be 0xFFFF */
+ /* check last segment; its end count value must be 0xFFFF */
if ( valid->level >= FT_VALIDATE_PARANOID )
{
p = ends + ( num_segs - 1 ) * 2;
@@ -899,10 +908,10 @@
if ( start > end )
FT_INVALID_DATA;
- /* this test should be performed at default validation level; */
- /* unfortunately, some popular Asian fonts present overlapping */
- /* ranges in their charmaps */
- /* */
+ /* this test should be performed at default validation level; */
+ /* unfortunately, some popular Asian fonts have overlapping */
+ /* ranges in their charmaps */
+ /* */
if ( start <= last_end && n > 0 )
{
if ( valid->level >= FT_VALIDATE_TIGHT )
@@ -910,7 +919,7 @@
else
{
/* allow overlapping segments, provided their start points */
- /* and end points, respectively, are in ascending order. */
+ /* and end points, respectively, are in ascending order */
/* */
if ( last_start > start || last_end > end )
error |= TT_CMAP_FLAG_UNSORTED;
@@ -921,7 +930,7 @@
if ( offset && offset != 0xFFFFU )
{
- p += offset; /* start of glyph id array */
+ p += offset; /* start of glyph ID array */
/* check that we point within the glyph IDs table only */
if ( valid->level >= FT_VALIDATE_TIGHT )
@@ -930,11 +939,18 @@
p + ( end - start + 1 ) * 2 > table + length )
FT_INVALID_DATA;
}
- /* some fonts handle the last segment incorrectly */
- else if ( n != num_segs - 1 ||
- !( start == 0xFFFFU &&
- end == 0xFFFFU &&
- delta == 0x1U ) )
+ /* Some fonts handle the last segment incorrectly. In */
+ /* theory, 0xFFFF might point to an ordinary glyph -- */
+ /* a cmap 4 is versatile and could be used for any */
+ /* encoding, not only Unicode. However, reality shows */
+ /* that far too many fonts are sloppy and incorrectly */
+ /* set all fields but `start' and `end' for the last */
+ /* segment if it contains only a single character. */
+ /* */
+ /* We thus omit the test here, delaying it to the */
+ /* routines which actually access the cmap. */
+ else if ( n != num_segs - 1 ||
+ !( start == 0xFFFFU && end == 0xFFFFU ) )
{
if ( p < glyph_ids ||
p + ( end - start + 1 ) * 2 > valid->limit )
@@ -965,9 +981,9 @@
/* some fonts (erroneously?) use a range offset of 0xFFFF */
/* to mean missing glyph in cmap table */
/* */
- if ( valid->level >= FT_VALIDATE_PARANOID ||
- n != num_segs - 1 ||
- !( start == 0xFFFFU && end == 0xFFFFU && delta == 0x1U ) )
+ if ( valid->level >= FT_VALIDATE_PARANOID ||
+ n != num_segs - 1 ||
+ !( start == 0xFFFFU && end == 0xFFFFU ) )
FT_INVALID_DATA;
}
@@ -1025,11 +1041,21 @@
p += num_segs2;
offset = TT_PEEK_USHORT( p );
- /* some fonts handle the last segment incorrectly; */
- /* we have to catch it */
- if ( i >= num_segs - 1 &&
- start == 0xFFFFU && end == 0xFFFFU && delta == 0x1U )
- offset = 0;
+ /* some fonts have an incorrect last segment; */
+ /* we have to catch it */
+ if ( i >= 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;
+ offset = 0;
+ }
+ }
if ( offset == 0xFFFFU )
continue;
@@ -1110,11 +1136,21 @@
p += num_segs2;
offset = TT_PEEK_USHORT( p );
- /* some fonts handle the last segment incorrectly; */
- /* we have to catch it */
- if ( mid >= num_segs - 1 &&
- start == 0xFFFFU && end == 0xFFFFU && delta == 0x1U )
- offset = 0;
+ /* some fonts have an incorrect last segment; */
+ /* we have to catch it */
+ 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;
+ offset = 0;
+ }
+ }
/* search the first segment containing `charcode' */
if ( cmap->flags & TT_CMAP_FLAG_OVERLAPPING )
@@ -1580,7 +1616,7 @@
/* */
/* start 0 ULONG first charcode */
/* end 4 ULONG last charcode */
- /* startId 8 ULONG start glyph id for the group */
+ /* startId 8 ULONG start glyph ID for the group */
/* */
#ifdef TT_CONFIG_CMAP_FORMAT_8
@@ -1962,7 +1998,7 @@
/* */
/* start 0 ULONG first charcode */
/* end 4 ULONG last charcode */
- /* startId 8 ULONG start glyph id for the group */
+ /* startId 8 ULONG start glyph ID for the group */
/* */
#ifdef TT_CONFIG_CMAP_FORMAT_12
diff --git a/src/sfnt/ttkern.c b/src/sfnt/ttkern.c
index 28e52c3..67d5115 100644
--- a/src/sfnt/ttkern.c
+++ b/src/sfnt/ttkern.c
@@ -5,7 +5,7 @@
/* Load the basic TrueType kerning table. This doesn't handle */
/* kerning data within the GPOS table at the moment. */
/* */
-/* Copyright 1996-2001, 2002, 2003, 2004, 2005, 2006, 2007 by */
+/* Copyright 1996-2001, 2002, 2003, 2004, 2005, 2006, 2007, 2009 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
@@ -103,6 +103,9 @@
p_next += length;
+ if ( p_next > p_limit ) /* handle broken table */
+ p_next = p_limit;
+
/* only use horizontal kerning tables */
if ( ( coverage & ~8 ) != 0x0001 ||
p + 8 > p_limit )
@@ -111,8 +114,8 @@
num_pairs = FT_NEXT_USHORT( p );
p += 6;
- if ( p + 6 * num_pairs > p_limit )
- goto NextTable;
+ if ( ( p_next - p ) / 6 < (int)num_pairs ) /* handle broken count */
+ num_pairs = (FT_UInt)( ( p_next - p ) / 6 );
avail |= mask;
@@ -181,18 +184,22 @@
FT_Int result = 0;
FT_UInt count, mask = 1;
FT_Byte* p = face->kern_table;
+ FT_Byte* p_limit = p + face->kern_table_size;
p += 4;
mask = 0x0001;
- for ( count = face->num_kern_tables; count > 0; count--, mask <<= 1 )
+ for ( count = face->num_kern_tables;
+ count > 0 && p + 6 <= p_limit;
+ count--, mask <<= 1 )
{
FT_Byte* base = p;
FT_Byte* next = base;
FT_UInt version = FT_NEXT_USHORT( p );
FT_UInt length = FT_NEXT_USHORT( p );
FT_UInt coverage = FT_NEXT_USHORT( p );
+ FT_UInt num_pairs;
FT_Int value = 0;
FT_UNUSED( version );
@@ -200,21 +207,27 @@
next = base + length;
+ if ( next > p_limit ) /* handle broken table */
+ next = p_limit;
+
if ( ( face->kern_avail_bits & mask ) == 0 )
goto NextTable;
if ( p + 8 > next )
goto NextTable;
+ num_pairs = FT_NEXT_USHORT( p );
+ p += 6;
+
+ if ( ( next - p ) / 6 < (int)num_pairs ) /* handle broken count */
+ num_pairs = (FT_UInt)( ( next - p ) / 6 );
+
switch ( coverage >> 8 )
{
case 0:
{
- FT_UInt num_pairs = FT_NEXT_USHORT( p );
- FT_ULong key0 = TT_KERN_INDEX( left_glyph, right_glyph );
-
+ FT_ULong key0 = TT_KERN_INDEX( left_glyph, right_glyph );
- p += 6;
if ( face->kern_order_bits & mask ) /* binary search */
{
diff --git a/src/sfnt/ttsbit.c b/src/sfnt/ttsbit.c
index 28acde3..eadaade 100644
--- a/src/sfnt/ttsbit.c
+++ b/src/sfnt/ttsbit.c
@@ -1325,7 +1325,11 @@
range->image_format, metrics, stream );
case 8: /* compound format */
- FT_Stream_Skip( stream, 1L );
+ if ( FT_STREAM_SKIP( 1L ) )
+ {
+ error = SFNT_Err_Invalid_Stream_Skip;
+ goto Exit;
+ }
/* fallthrough */
case 9:
diff --git a/src/sfnt/ttsbit0.c b/src/sfnt/ttsbit0.c
index ae468f0..3ebcbbd 100644
--- a/src/sfnt/ttsbit0.c
+++ b/src/sfnt/ttsbit0.c
@@ -324,14 +324,11 @@
if ( p + 5 > limit )
goto Fail;
- if ( !decoder->metrics_loaded )
- {
- metrics->height = p[0];
- metrics->width = p[1];
- metrics->horiBearingX = (FT_Char)p[2];
- metrics->horiBearingY = (FT_Char)p[3];
- metrics->horiAdvance = p[4];
- }
+ metrics->height = p[0];
+ metrics->width = p[1];
+ metrics->horiBearingX = (FT_Char)p[2];
+ metrics->horiBearingY = (FT_Char)p[3];
+ metrics->horiAdvance = p[4];
p += 5;
if ( big )
@@ -339,12 +336,9 @@
if ( p + 3 > limit )
goto Fail;
- if ( !decoder->metrics_loaded )
- {
- metrics->vertBearingX = (FT_Char)p[0];
- metrics->vertBearingY = (FT_Char)p[1];
- metrics->vertAdvance = p[2];
- }
+ metrics->vertBearingX = (FT_Char)p[0];
+ metrics->vertBearingY = (FT_Char)p[1];
+ metrics->vertAdvance = p[2];
p += 3;
}
@@ -537,7 +531,12 @@
{
w = ( width < 8 - x_pos ) ? width : 8 - x_pos;
- if ( nbits < w )
+ if ( h == height )
+ {
+ rval |= *p++;
+ nbits += x_pos;
+ }
+ else if ( nbits < w )
{
rval |= *p++;
nbits += 8 - w;
@@ -548,7 +547,8 @@
nbits -= w;
}
- *write++ |= ( ( rval >> nbits ) & 0xFF ) & ~( 0xFF << w );
+ *write++ |= ( ( rval >> nbits ) & 0xFF ) &
+ ( ~( 0xFF << w ) << ( 8 - w - x_pos ) );
rval <<= 8;
w = width - w;
@@ -595,6 +595,13 @@
FT_Error error = SFNT_Err_Ok;
FT_UInt num_components, nn;
+ FT_Char horiBearingX = decoder->metrics->horiBearingX;
+ FT_Char horiBearingY = decoder->metrics->horiBearingY;
+ FT_Byte horiAdvance = decoder->metrics->horiAdvance;
+ FT_Char vertBearingX = decoder->metrics->vertBearingX;
+ FT_Char vertBearingY = decoder->metrics->vertBearingY;
+ FT_Byte vertAdvance = decoder->metrics->vertAdvance;
+
if ( p + 2 > limit )
goto Fail;
@@ -603,6 +610,13 @@
if ( p + 4 * num_components > limit )
goto Fail;
+ if ( !decoder->bitmap_allocated )
+ {
+ error = tt_sbit_decoder_alloc_bitmap( decoder );
+ if ( error )
+ goto Exit;
+ }
+
for ( nn = 0; nn < num_components; nn++ )
{
FT_UInt gindex = FT_NEXT_USHORT( p );
@@ -617,6 +631,15 @@
break;
}
+ decoder->metrics->horiBearingX = horiBearingX;
+ decoder->metrics->horiBearingY = horiBearingY;
+ decoder->metrics->horiAdvance = horiAdvance;
+ decoder->metrics->vertBearingX = vertBearingX;
+ decoder->metrics->vertBearingY = vertBearingY;
+ decoder->metrics->vertAdvance = vertAdvance;
+ decoder->metrics->width = (FT_UInt)decoder->bitmap->width;
+ decoder->metrics->height = (FT_UInt)decoder->bitmap->rows;
+
Exit:
return error;