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| author | Grigori Goronzy <greg@blackbox> | 2009-07-10 19:31:07 +0200 |
|---|---|---|
| committer | Grigori Goronzy <greg@blackbox> | 2009-07-10 19:31:07 +0200 |
| commit | ba770fa05426c04d5a1900b37fc7bcc700584720 (patch) | |
| tree | a7476f0c2f619e0c89e6011e4464618a6ca8944b /libass/ass_bitmap.c | |
| parent | 15df379c97159dbbc8d876a769edac0f8efecd75 (diff) | |
| download | libass-ba770fa05426c04d5a1900b37fc7bcc700584720.tar.bz2 libass-ba770fa05426c04d5a1900b37fc7bcc700584720.tar.xz | |
Slight optimizations for \be, \blur
Enlarge bitmap glyphs less for \be, this is especially effective for
lots of \be applications.
Also make sure that the gaussian blur buffers are only updated if
gaussian blur is actually used for a particular glyph.
Diffstat (limited to 'libass/ass_bitmap.c')
| -rw-r--r-- | libass/ass_bitmap.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/libass/ass_bitmap.c b/libass/ass_bitmap.c index 16d2b35..d28d47b 100644 --- a/libass/ass_bitmap.c +++ b/libass/ass_bitmap.c @@ -355,7 +355,7 @@ int glyph_to_bitmap(ass_synth_priv_t *priv_blur, bitmap_t **bm_g, bitmap_t **bm_o, bitmap_t **bm_s, int be, double blur_radius, FT_Vector shadow_offset) { - int bord = be ? (be / 4 + 1) : 0; + int bord = be ? (be / 8 + 1) : 0; blur_radius *= 2; bord = (blur_radius > 0.0) ? blur_radius + 1 : bord; if (bord == 0 && (shadow_offset.x || shadow_offset.y)) @@ -377,9 +377,6 @@ int glyph_to_bitmap(ass_synth_priv_t *priv_blur, return 1; } } - if (*bm_o) - resize_tmp(priv_blur, (*bm_o)->w, (*bm_o)->h); - resize_tmp(priv_blur, (*bm_g)->w, (*bm_g)->h); if (be) { while (be--) { @@ -390,6 +387,9 @@ int glyph_to_bitmap(ass_synth_priv_t *priv_blur, } } else { if (blur_radius > 0.0) { + if (*bm_o) + resize_tmp(priv_blur, (*bm_o)->w, (*bm_o)->h); + resize_tmp(priv_blur, (*bm_g)->w, (*bm_g)->h); generate_tables(priv_blur, blur_radius); if (*bm_o) ass_gauss_blur((*bm_o)->buffer, priv_blur->tmp, |