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-rw-r--r--libass/ass_render.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/libass/ass_render.c b/libass/ass_render.c
index a9de0af5..2abb9d7f 100644
--- a/libass/ass_render.c
+++ b/libass/ass_render.c
@@ -2654,11 +2654,11 @@ ass_render_event(ass_renderer_t *render_priv, ass_event_t *event,
for (i = 0; i < text_info->length; ++i) {
glyph_info_t *g = text_info->glyphs + i;
g->hash_key.advance.x =
- (double_to_d6(device_x) & SUBPIXEL_MASK) +
- (g->pos.x & SUBPIXEL_MASK);
+ double_to_d6(device_x - (int) device_x +
+ d6_to_double(g->pos.x & SUBPIXEL_MASK));
g->hash_key.advance.y =
- (double_to_d6(device_y) & SUBPIXEL_MASK) +
- (g->pos.y & SUBPIXEL_MASK);
+ double_to_d6(device_y - (int) device_y +
+ d6_to_double(g->pos.y & SUBPIXEL_MASK));
get_bitmap_glyph(render_priv, text_info->glyphs + i);
}