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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 | |
| 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.
| -rw-r--r-- | libass/ass_bitmap.c | 8 | ||||
| -rw-r--r-- | libass/ass_render.c | 2 |
2 files changed, 5 insertions, 5 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, diff --git a/libass/ass_render.c b/libass/ass_render.c index e2eac7b..f442b89 100644 --- a/libass/ass_render.c +++ b/libass/ass_render.c @@ -41,7 +41,7 @@ #define MAX_GLYPHS_INITIAL 1024 #define MAX_LINES_INITIAL 64 #define BLUR_MAX_RADIUS 100.0 -#define MAX_BE 100 +#define MAX_BE 127 #define SUBPIXEL_MASK 63 #define SUBPIXEL_ACCURACY 7 // d6 mask for subpixel accuracy adjustment |