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* src/truetype/ttgload.c (TT_Load_Simple_Glyph): Revert previous 

change.  It's not necessary.
This commit is contained in:
Werner Lemberg 2003-12-31 08:48:21 +00:00
parent a8fd0cd632
commit 3e140fe373
2 changed files with 6 additions and 36 deletions
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5
ChangeLog
View File

@ -1,3 +1,8 @@
2003-12-31 Werner Lemberg <wl@gnu.org>
* src/truetype/ttgload.c (TT_Load_Simple_Glyph): Revert previous
change. It's not necessary.
2003-12-29 Smith Charles <smith.charles@free.fr>
* src/truetype/ttgload.c (TT_Load_Simple_Glyph): Handle `repeated

37
src/truetype/ttgload.c
View File

@ -296,7 +296,6 @@
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;
@ -369,36 +368,10 @@
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;
/* 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-- )
while ( flag < flag_limit )
{
if ( --byte_len < 0 )
goto Invalid_Outline;
@ -413,19 +386,11 @@
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++ )
{