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-rw-r--r--libass/ass_bitmap.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/libass/ass_bitmap.c b/libass/ass_bitmap.c
index 0b80d7ab2c..d6d750631d 100644
--- a/libass/ass_bitmap.c
+++ b/libass/ass_bitmap.c
@@ -259,6 +259,7 @@ int glyph_to_bitmap(ass_synth_priv_t* priv, ass_synth_priv_t* priv_blur,
bitmap_t** bm_o, bitmap_t** bm_s, int be, double blur_radius)
{
int bord = be ? (be+1) : 0;
+ blur_radius *= 2;
bord = (blur_radius > 0.0) ? blur_radius : bord;
assert(bm_g && bm_o && bm_s);