rgraves
/
freetype2
forked from minhngoc25a/freetype2
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

[pshinter] Ensure all point flags are initialized. 

Only off curve point flags were fully initialized.

* src/pshinter/pshalgo.c (psh_glyph_init): always initialize flags.

Fixes: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=43930
This commit is contained in:
Ben Wagner 2022-01-24 12:19:20 -05:00
parent 657745212b
commit 5e9caaee78
1 changed files with 5 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
src/pshinter/pshalgo.c
View File

@ -1228,8 +1228,9 @@
FT_Pos dxi, dyi, dxo, dyo;
point->flags = 0;
if ( !( outline->tags[n] & FT_CURVE_TAG_ON ) )
point->flags = PSH_POINT_OFF;
psh_point_set_off( point );
dxi = vec[n].x - vec[n_prev].x;
dyi = vec[n].y - vec[n_prev].y;
@ -1242,14 +1243,14 @@
point->dir_out = psh_compute_dir( dxo, dyo );
/* detect smooth points */
if ( point->flags & PSH_POINT_OFF )
point->flags |= PSH_POINT_SMOOTH;
if ( psh_point_is_off( point ) )
psh_point_set_smooth( point );
else if ( point->dir_in == point->dir_out )
{
if ( point->dir_out != PSH_DIR_NONE ||
psh_corner_is_flat( dxi, dyi, dxo, dyo ) )
point->flags |= PSH_POINT_SMOOTH;
psh_point_set_smooth( point );
}
}
}