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authorAkira Kakuto <kakuto@fuk.kindai.ac.jp>2019-07-02 04:44:43 +0000
committerAkira Kakuto <kakuto@fuk.kindai.ac.jp>2019-07-02 04:44:43 +0000
commitad5ffc75cdf78f6cf6160e4334d45be15dd48221 (patch)
tree7ca04b88be84c859c9d5f235758b69387929d667 /Build/source/libs/freetype2/freetype-src/src/cff
parent5d1e6f4aeb765d13edda3c5c77f55614ff27c7fc (diff)
freetype 2.10.1
git-svn-id: svn://tug.org/texlive/trunk@51529 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build/source/libs/freetype2/freetype-src/src/cff')
-rw-r--r--Build/source/libs/freetype2/freetype-src/src/cff/cffdrivr.c4
-rw-r--r--Build/source/libs/freetype2/freetype-src/src/cff/cffobjs.c2
-rw-r--r--Build/source/libs/freetype2/freetype-src/src/cff/cffparse.c155
-rw-r--r--Build/source/libs/freetype2/freetype-src/src/cff/cffparse.h13
4 files changed, 124 insertions, 50 deletions
diff --git a/Build/source/libs/freetype2/freetype-src/src/cff/cffdrivr.c b/Build/source/libs/freetype2/freetype-src/src/cff/cffdrivr.c
index bbd5c403297..23249898115 100644
--- a/Build/source/libs/freetype2/freetype-src/src/cff/cffdrivr.c
+++ b/Build/source/libs/freetype2/freetype-src/src/cff/cffdrivr.c
@@ -381,8 +381,8 @@
static FT_UInt
- cff_get_name_index( CFF_Face face,
- FT_String* glyph_name )
+ cff_get_name_index( CFF_Face face,
+ const FT_String* glyph_name )
{
CFF_Font cff;
CFF_Charset charset;
diff --git a/Build/source/libs/freetype2/freetype-src/src/cff/cffobjs.c b/Build/source/libs/freetype2/freetype-src/src/cff/cffobjs.c
index 1a1030c0650..f76245f30b0 100644
--- a/Build/source/libs/freetype2/freetype-src/src/cff/cffobjs.c
+++ b/Build/source/libs/freetype2/freetype-src/src/cff/cffobjs.c
@@ -962,7 +962,7 @@
cffface->style_name = style_name;
else
/* assume "Regular" style if we don't know better */
- cffface->style_name = cff_strcpy( memory, (char *)"Regular" );
+ cffface->style_name = cff_strcpy( memory, "Regular" );
/********************************************************************
*
diff --git a/Build/source/libs/freetype2/freetype-src/src/cff/cffparse.c b/Build/source/libs/freetype2/freetype-src/src/cff/cffparse.c
index fa806f1a905..008752c3aea 100644
--- a/Build/source/libs/freetype2/freetype-src/src/cff/cffparse.c
+++ b/Build/source/libs/freetype2/freetype-src/src/cff/cffparse.c
@@ -77,6 +77,23 @@
}
+#ifdef CFF_CONFIG_OPTION_OLD_ENGINE
+ static void
+ finalize_t2_strings( FT_Memory memory,
+ void* data,
+ void* user )
+ {
+ CFF_T2_String t2 = (CFF_T2_String)data;
+
+
+ FT_UNUSED( user );
+
+ memory->free( memory, t2->start );
+ memory->free( memory, data );
+ }
+#endif /* CFF_CONFIG_OPTION_OLD_ENGINE */
+
+
FT_LOCAL_DEF( void )
cff_parser_done( CFF_Parser parser )
{
@@ -84,13 +101,65 @@
FT_FREE( parser->stack );
+
+#ifdef CFF_CONFIG_OPTION_OLD_ENGINE
+ FT_List_Finalize( &parser->t2_strings,
+ finalize_t2_strings,
+ memory,
+ NULL );
+#endif
+ }
+
+
+ /* Assuming `first >= last'. */
+
+ static FT_Error
+ cff_parser_within_limits( CFF_Parser parser,
+ FT_Byte* first,
+ FT_Byte* last )
+ {
+#ifndef CFF_CONFIG_OPTION_OLD_ENGINE
+
+ /* Fast path for regular FreeType builds with the "new" engine; */
+ /* `first >= parser->start' can be assumed. */
+
+ FT_UNUSED( first );
+
+ return last < parser->limit ? FT_Err_Ok : FT_THROW( Invalid_Argument );
+
+#else /* CFF_CONFIG_OPTION_OLD_ENGINE */
+
+ FT_ListNode node;
+
+
+ if ( first >= parser->start &&
+ last < parser->limit )
+ return FT_Err_Ok;
+
+ node = parser->t2_strings.head;
+
+ while ( node )
+ {
+ CFF_T2_String t2 = (CFF_T2_String)node->data;
+
+
+ if ( first >= t2->start &&
+ last < t2->limit )
+ return FT_Err_Ok;
+
+ node = node->next;
+ }
+
+ return FT_THROW( Invalid_Argument );
+
+#endif /* CFF_CONFIG_OPTION_OLD_ENGINE */
}
/* read an integer */
static FT_Long
- cff_parse_integer( FT_Byte* start,
- FT_Byte* limit )
+ cff_parse_integer( CFF_Parser parser,
+ FT_Byte* start )
{
FT_Byte* p = start;
FT_Int v = *p++;
@@ -99,14 +168,14 @@
if ( v == 28 )
{
- if ( p + 2 > limit )
+ if ( cff_parser_within_limits( parser, p, p + 1 ) )
goto Bad;
val = (FT_Short)( ( (FT_UShort)p[0] << 8 ) | p[1] );
}
else if ( v == 29 )
{
- if ( p + 4 > limit )
+ if ( cff_parser_within_limits( parser, p, p + 3 ) )
goto Bad;
val = (FT_Long)( ( (FT_ULong)p[0] << 24 ) |
@@ -120,14 +189,14 @@
}
else if ( v < 251 )
{
- if ( p + 1 > limit )
+ if ( cff_parser_within_limits( parser, p, p ) )
goto Bad;
val = ( v - 247 ) * 256 + p[0] + 108;
}
else
{
- if ( p + 1 > limit )
+ if ( cff_parser_within_limits( parser, p, p ) )
goto Bad;
val = -( v - 251 ) * 256 - p[0] - 108;
@@ -176,10 +245,10 @@
/* read a real */
static FT_Fixed
- cff_parse_real( FT_Byte* start,
- FT_Byte* limit,
- FT_Long power_ten,
- FT_Long* scaling )
+ cff_parse_real( CFF_Parser parser,
+ FT_Byte* start,
+ FT_Long power_ten,
+ FT_Long* scaling )
{
FT_Byte* p = start;
FT_Int nib;
@@ -214,7 +283,7 @@
p++;
/* Make sure we don't read past the end. */
- if ( p >= limit )
+ if ( cff_parser_within_limits( parser, p, p ) )
goto Bad;
}
@@ -251,7 +320,7 @@
p++;
/* Make sure we don't read past the end. */
- if ( p >= limit )
+ if ( cff_parser_within_limits( parser, p, p ) )
goto Bad;
}
@@ -290,7 +359,7 @@
p++;
/* Make sure we don't read past the end. */
- if ( p >= limit )
+ if ( cff_parser_within_limits( parser, p, p ) )
goto Bad;
}
@@ -457,7 +526,7 @@
if ( **d == 30 )
{
/* binary-coded decimal is truncated to integer */
- return cff_parse_real( *d, parser->limit, 0, NULL ) >> 16;
+ return cff_parse_real( parser, *d, 0, NULL ) >> 16;
}
else if ( **d == 255 )
@@ -483,7 +552,7 @@
}
else
- return cff_parse_integer( *d, parser->limit );
+ return cff_parse_integer( parser, *d );
}
@@ -494,10 +563,10 @@
FT_Long scaling )
{
if ( **d == 30 )
- return cff_parse_real( *d, parser->limit, scaling, NULL );
+ return cff_parse_real( parser, *d, scaling, NULL );
else
{
- FT_Long val = cff_parse_integer( *d, parser->limit );
+ FT_Long val = cff_parse_integer( parser, *d );
if ( scaling )
@@ -562,14 +631,14 @@
FT_ASSERT( scaling );
if ( **d == 30 )
- return cff_parse_real( *d, parser->limit, 0, scaling );
+ return cff_parse_real( parser, *d, 0, scaling );
else
{
FT_Long number;
FT_Int integer_length;
- number = cff_parse_integer( d[0], d[1] );
+ number = cff_parse_integer( parser, d[0] );
if ( number > 0x7FFFL )
{
@@ -1122,18 +1191,6 @@
#endif /* FT_DEBUG_LEVEL_TRACE */
-#ifdef CFF_CONFIG_OPTION_OLD_ENGINE
- static void
- destruct_t2s_item( FT_Memory memory,
- void* data,
- void* user )
- {
- FT_UNUSED( user );
- memory->free( memory, data );
- }
-#endif /* CFF_CONFIG_OPTION_OLD_ENGINE */
-
-
FT_LOCAL_DEF( FT_Error )
cff_parser_run( CFF_Parser parser,
FT_Byte* start,
@@ -1147,11 +1204,6 @@
FT_Library library = parser->library;
FT_Memory memory = library->memory;
-
- FT_ListRec t2s;
-
-
- FT_ZERO( &t2s );
#endif
parser->top = parser->stack;
@@ -1212,9 +1264,11 @@
FT_Byte* charstring_base;
FT_ULong charstring_len;
- FT_Fixed* stack;
- FT_ListNode node;
- FT_Byte* q;
+ FT_Fixed* stack;
+ FT_ListNode node;
+ CFF_T2_String t2;
+ size_t t2_size;
+ FT_Byte* q;
charstring_base = ++p;
@@ -1261,16 +1315,26 @@
if ( !node )
goto Out_Of_Memory_Error;
+ FT_List_Add( &parser->t2_strings, node );
+
+ t2 = (CFF_T2_String)memory->alloc( memory,
+ sizeof ( CFF_T2_StringRec ) );
+ if ( !t2 )
+ goto Out_Of_Memory_Error;
+
+ node->data = t2;
+
/* `5' is the conservative upper bound of required bytes per stack */
/* element. */
- q = (FT_Byte*)memory->alloc( memory,
- 5 * ( decoder.top - decoder.stack ) );
+
+ t2_size = 5 * ( decoder.top - decoder.stack );
+
+ q = (FT_Byte*)memory->alloc( memory, t2_size );
if ( !q )
goto Out_Of_Memory_Error;
- node->data = q;
-
- FT_List_Add( &t2s, node );
+ t2->start = q;
+ t2->limit = q + t2_size;
stack = decoder.stack;
@@ -1531,9 +1595,6 @@
} /* while ( p < limit ) */
Exit:
-#ifdef CFF_CONFIG_OPTION_OLD_ENGINE
- FT_List_Finalize( &t2s, destruct_t2s_item, memory, NULL );
-#endif
return error;
#ifdef CFF_CONFIG_OPTION_OLD_ENGINE
diff --git a/Build/source/libs/freetype2/freetype-src/src/cff/cffparse.h b/Build/source/libs/freetype2/freetype-src/src/cff/cffparse.h
index bac32f94491..4e74709a2d6 100644
--- a/Build/source/libs/freetype2/freetype-src/src/cff/cffparse.h
+++ b/Build/source/libs/freetype2/freetype-src/src/cff/cffparse.h
@@ -60,6 +60,10 @@ FT_BEGIN_HEADER
FT_Byte** top;
FT_UInt stackSize; /* allocated size */
+#ifdef CFF_CONFIG_OPTION_OLD_ENGINE
+ FT_ListRec t2_strings;
+#endif /* CFF_CONFIG_OPTION_OLD_ENGINE */
+
FT_UInt object_code;
void* object;
@@ -130,6 +134,15 @@ FT_BEGIN_HEADER
FT_END_HEADER
+#ifdef CFF_CONFIG_OPTION_OLD_ENGINE
+ typedef struct CFF_T2_String_
+ {
+ FT_Byte* start;
+ FT_Byte* limit;
+
+ } CFF_T2_StringRec, *CFF_T2_String;
+#endif /* CFF_CONFIG_OPTION_OLD_ENGINE */
+
#endif /* CFFPARSE_H_ */