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| author | Grigori Goronzy <greg@blackbox> | 2010-08-12 22:15:10 +0200 |
|---|---|---|
| committer | Grigori Goronzy <greg@blackbox> | 2010-08-12 22:23:01 +0200 |
| commit | 4d64333a58be5e57834fad576de23f95612a2604 (patch) | |
| tree | 7464739ec393bcd09cbac23f8bbedd888934502a /libass/ass_parse.c | |
| parent | a3d0b507bd1bb18067de7b948f5371197dc142b9 (diff) | |
| download | libass-4d64333a58be5e57834fad576de23f95612a2604.tar.bz2 libass-4d64333a58be5e57834fad576de23f95612a2604.tar.xz | |
Add support for \fs+ and \fs- syntax
These forms can be used to add or subtract a value from the
current font size instead of setting a new font size. Animations
are supported, but not recommended, as they won't be fluid due to
grid-fitting/hinting.
Diffstat (limited to 'libass/ass_parse.c')
| -rw-r--r-- | libass/ass_parse.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/libass/ass_parse.c b/libass/ass_parse.c index 776416d..40aaf04 100644 --- a/libass/ass_parse.c +++ b/libass/ass_parse.c @@ -359,6 +359,22 @@ static char *parse_tag(ASS_Renderer *render_priv, char *p, double pwr) render_priv->state.hspacing * (1 - pwr) + val * pwr; else render_priv->state.hspacing = render_priv->state.style->Spacing; + } else if (mystrcmp(&p, "fs+")) { + double val; + if (mystrtod(&p, &val)) { + val = render_priv->state.font_size + pwr * val; + } else + val = render_priv->state.style->FontSize; + if (render_priv->state.font) + change_font_size(render_priv, val); + } else if (mystrcmp(&p, "fs-")) { + double val; + if (mystrtod(&p, &val)) + val = render_priv->state.font_size - pwr * val; + else + val = render_priv->state.style->FontSize; + if (render_priv->state.font) + change_font_size(render_priv, val); } else if (mystrcmp(&p, "fs")) { double val; if (mystrtod(&p, &val)) |