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* src/truetype/ttgload.c (TT_Load_Simple_Glyph): Handle `repeated

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flags set' correctly.

* src/cff/cffobjs.c (cff_face_init): Fix memory leak by deallocating
`full' and `weight' properly.
* src/cff/cffgload.c (cff_decoder_parse_charstrings)
<cff_op_hintmask> [FT_DEBUG_LEVEL_TRACE]: Use `0x' as prefix for
tracing output.
This commit is contained in:
Werner Lemberg 2003-12-31 07:51:30 +00:00
parent cb8ede4dca
commit 6fd9512aff
4 changed files with 67 additions and 13 deletions
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13
ChangeLog
View File

@ -1,3 +1,16 @@
2003-12-29 Smith Charles <smith.charles@free.fr>
* src/truetype/ttgload.c (TT_Load_Simple_Glyph): Handle `repeated
flags set' correctly.
2003-12-29 Werner Lemberg <wl@gnu.org>
* src/cff/cffobjs.c (cff_face_init): Fix memory leak by deallocating
`full' and `weight' properly.
* src/cff/cffgload.c (cff_decoder_parse_charstrings)
<cff_op_hintmask> [FT_DEBUG_LEVEL_TRACE]: Use `0x' as prefix for
tracing output.
2003-12-26 Werner Lemberg <wl@gnu.org>
* include/freetype/internal/sfnt.h (TT_Set_SBit_Strike_Func):

2
src/cff/cffgload.c
View File

@ -1227,7 +1227,7 @@
for ( maskbyte = 0;
maskbyte < (FT_UInt)(( decoder->num_hints + 7 ) >> 3);
maskbyte++, ip++ )
FT_TRACE4(( "%02X", *ip ));
FT_TRACE4(( "0x%02X", *ip ));
}
#else
ip += ( decoder->num_hints + 7 ) >> 3;

28
src/cff/cffobjs.c
View File

@ -376,7 +376,7 @@
if ( pure_cff )
{
char* style_name;
char* style_name = NULL;
/* Set up num_faces. */
@ -413,36 +413,37 @@
root->family_name = cff_index_get_name( &cff->name_index,
face_index );
/* assume "Regular" style if we don't know better */
style_name = (char *)"Regular";
if ( root->family_name )
{
char* full = cff_index_get_sid_string( &cff->string_index,
dict->full_name,
psnames );
char* fullp = full;
char* family = root->family_name;
if ( full )
{
while ( *full )
while ( *fullp )
{
if ( *full == *family )
if ( *fullp == *family )
{
family++;
full++;
fullp++;
}
else
{
if ( *full == ' ' || *full == '-' )
full++;
if ( *fullp == ' ' || *fullp == '-' )
fullp++;
else if ( *family == ' ' || *family == '-' )
family++;
else
{
if ( !*family )
style_name = full;
{
style_name = cff_strcpy( memory, fullp );
FT_FREE( full );
}
break;
}
}
@ -462,7 +463,11 @@
root->family_name = cid_font_name;
}
root->style_name = cff_strcpy( memory, style_name );
if ( style_name )
root->style_name = style_name;
else
/* assume "Regular" style if we don't know better */
root->style_name = cff_strcpy( memory, (char *)"Regular" );
/*******************************************************************/
/* */
@ -506,6 +511,7 @@
if ( !ft_strcmp( weight, "Bold" ) ||
!ft_strcmp( weight, "Black" ) )
flags |= FT_STYLE_FLAG_BOLD;
FT_FREE( weight );
}
root->style_flags = flags;

37
src/truetype/ttgload.c
View File

@ -296,6 +296,7 @@
FT_Byte *flag, *flag_limit;
FT_Byte c, count;
FT_Int n_xlimit;
FT_Vector *vec, *vec_limit;
FT_Pos x;
FT_Short *cont, *cont_limit;
@ -368,10 +369,36 @@
stream->cursor += (FT_Int)n_ins;
/* reading the point tags */
/*********************************************************************/
/* */
/* NOTE: */
/* */
/* Microsoft documentation says: */
/* */
/* BYTE flags[n] Array of flags for each coordinate in outline; */
/* `n' is the number of flags. */
/* (But it doesn't say where the `n' comes from.) */
/* */
/* Apple documentation says: */
/* */
/* uint8 flags[variable] Array of flags. */
/* (Again it doesn't say where the */
/* `variable' comes from) */
/* */
/* Most of the time, `n' = `variable' = n_points. But if a */
/* `repeated flags set' is found (`c & 8' below) the number of */
/* flags sets is smaller than n_points. So we must carefully read */
/* the flags, avoiding to read beyond the limit of actually stored */
/* bytes. */
flag = (FT_Byte*)outline->tags;
flag_limit = flag + n_points;
while ( flag < flag_limit )
/* scan and expand the flags to reach the first xCoordinate */
n_xlimit = n_points; /* this is a safety limit for reading */
for ( ; n_xlimit > 0; n_xlimit-- )
{
if ( --byte_len < 0 )
goto Invalid_Outline;
@ -386,11 +413,19 @@
if ( flag + (FT_Int)count > flag_limit )
goto Invalid_Outline;
/* adjust n_xlimit by removing the repeated sets */
/* from the safety limit */
n_xlimit -= count;
for ( ; count > 0; count-- )
*flag++ = c;
}
}
/* check that each point has an associated flags set */
if ( flag != flag_limit )
goto Invalid_Outline;
/* check that there is enough room to load the coordinates */
for ( flag = (FT_Byte*)outline->tags; flag < flag_limit; flag++ )
{