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| author | Oleg Oshmyan <chortos@inbox.lv> | 2017-01-31 00:11:49 +0200 |
|---|---|---|
| committer | Oleg Oshmyan <chortos@inbox.lv> | 2017-01-31 02:13:30 +0200 |
| commit | cb985b51683dcbff5671cf9abc65b1b0825b2e75 (patch) | |
| tree | b230f7b01929fb42354e56078289e0c3521f8165 /libass | |
| parent | d4bd51a0b1e7192773af328213b51b19931602db (diff) | |
| download | libass-cb985b51683dcbff5671cf9abc65b1b0825b2e75.tar.bz2 libass-cb985b51683dcbff5671cf9abc65b1b0825b2e75.tar.xz | |
Reduce precision of border width in outline cache keys
The value used to generate outline cache values is 26.6, so there
is no point in storing the more precise 16.16 in the cache key.
Indeed, this can only reduce the efficiency of the cache
and provide an extra opportunity for overflow.
Diffstat (limited to 'libass')
| -rw-r--r-- | libass/ass_cache_template.h | 2 | ||||
| -rw-r--r-- | libass/ass_render.c | 8 |
2 files changed, 5 insertions, 5 deletions
diff --git a/libass/ass_cache_template.h b/libass/ass_cache_template.h index 834dafe..9d81231 100644 --- a/libass/ass_cache_template.h +++ b/libass/ass_cache_template.h @@ -90,7 +90,7 @@ START(glyph, glyph_hash_key) GENERIC(int, italic) GENERIC(unsigned, scale_x) // 16.16 GENERIC(unsigned, scale_y) // 16.16 - FTVECTOR(outline) // border width, 16.16 + FTVECTOR(outline) // border width, 26.6 GENERIC(unsigned, flags) // glyph decoration flags GENERIC(unsigned, border_style) GENERIC(int, hspacing) // 16.16 diff --git a/libass/ass_render.c b/libass/ass_render.c index 558f504..046ab57 100644 --- a/libass/ass_render.c +++ b/libass/ass_render.c @@ -1084,8 +1084,8 @@ fill_glyph_hash(ASS_Renderer *priv, OutlineHashKey *outline_key, outline_key->type = OUTLINE_DRAWING; key->scale_x = double_to_d16(info->scale_x); key->scale_y = double_to_d16(info->scale_y); - key->outline.x = double_to_d16(info->border_x * priv->border_scale); - key->outline.y = double_to_d16(info->border_y * priv->border_scale); + key->outline.x = double_to_d6(info->border_x * priv->border_scale); + key->outline.y = double_to_d6(info->border_y * priv->border_scale); key->border_style = info->border_style; // hpacing only matters for opaque box borders (see draw_opaque_box), // so for normal borders, maximize cache utility by ignoring it @@ -1106,8 +1106,8 @@ fill_glyph_hash(ASS_Renderer *priv, OutlineHashKey *outline_key, key->italic = info->italic; key->scale_x = double_to_d16(info->scale_x); key->scale_y = double_to_d16(info->scale_y); - key->outline.x = double_to_d16(info->border_x * priv->border_scale); - key->outline.y = double_to_d16(info->border_y * priv->border_scale); + key->outline.x = double_to_d6(info->border_x * priv->border_scale); + key->outline.y = double_to_d6(info->border_y * priv->border_scale); key->flags = info->flags; key->border_style = info->border_style; key->hspacing = |