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Diffstat (limited to 'libass/ass_bitmap.c')
| -rw-r--r-- | libass/ass_bitmap.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/libass/ass_bitmap.c b/libass/ass_bitmap.c index 8eee401205..7a587947f2 100644 --- a/libass/ass_bitmap.c +++ b/libass/ass_bitmap.c @@ -174,6 +174,12 @@ static bitmap_t* glyph_to_bitmap_internal(FT_Glyph glyph, int bord) return bm; } +/** + * \brief fix outline bitmap and generate shadow bitmap + * Two things are done here: + * 1. Glyph bitmap is subtracted from outline bitmap. This way looks much better in some cases. + * 2. Shadow bitmap is created as a sum of glyph and outline bitmaps. + */ static bitmap_t* fix_outline_and_shadow(bitmap_t* bm_g, bitmap_t* bm_o) { int x, y; |