diff options
Diffstat (limited to 'libass/ass_fontselect.c')
| -rw-r--r-- | libass/ass_fontselect.c | 41 |
1 files changed, 30 insertions, 11 deletions
diff --git a/libass/ass_fontselect.c b/libass/ass_fontselect.c index 3013f4a..ef79066 100644 --- a/libass/ass_fontselect.c +++ b/libass/ass_fontselect.c @@ -71,6 +71,8 @@ struct font_info { char *postscript_name; // can be used as an alternative to index to // identify a font inside a collection + char *extended_family; + // font source ASS_FontProvider *provider; @@ -235,6 +237,8 @@ static void ass_font_provider_free_fontinfo(ASS_FontInfo *info) if (info->postscript_name) free(info->postscript_name); + if (info->extended_family) + free(info->extended_family); } /** @@ -334,6 +338,12 @@ ass_font_provider_add_font(ASS_FontProvider *provider, goto error; } + if (meta->extended_family) { + info->extended_family = strdup(meta->extended_family); + if (info->extended_family == NULL) + goto error; + } + if (path) { info->path = strdup(path); if (info->path == NULL) @@ -423,12 +433,17 @@ static bool check_postscript(ASS_FontInfo *fi) /** * \brief Return whether the given font is in the given family. */ -static bool matches_family_name(ASS_FontInfo *f, const char *family) +static bool matches_family_name(ASS_FontInfo *f, const char *family, + bool match_extended_family) { for (int i = 0; i < f->n_family; i++) { if (ass_strcasecmp(f->families[i], family) == 0) return true; } + if (match_extended_family && f->extended_family) { + if (ass_strcasecmp(f->extended_family, family) == 0) + return true; + } return false; } @@ -517,7 +532,8 @@ static bool check_glyph(ASS_FontInfo *fi, uint32_t code) static char * find_font(ASS_FontSelector *priv, ASS_Library *library, - ASS_FontProviderMetaData meta, unsigned bold, unsigned italic, + ASS_FontProviderMetaData meta, bool match_extended_family, + unsigned bold, unsigned italic, int *index, char **postscript_name, int *uid, ASS_FontStream *stream, uint32_t code, bool *name_match) { @@ -542,7 +558,7 @@ find_font(ASS_FontSelector *priv, ASS_Library *library, ASS_FontInfo *font = &priv->font_infos[x]; unsigned score = UINT_MAX; - if (matches_family_name(font, fullname)) { + if (matches_family_name(font, fullname, match_extended_family)) { // If there's a family match, compare font attributes // to determine best match in that particular family score = font_attributes_similarity(font, &req); @@ -620,7 +636,8 @@ find_font(ASS_FontSelector *priv, ASS_Library *library, } static char *select_font(ASS_FontSelector *priv, ASS_Library *library, - const char *family, unsigned bold, unsigned italic, + const char *family, bool match_extended_family, + unsigned bold, unsigned italic, int *index, char **postscript_name, int *uid, ASS_FontStream *stream, uint32_t code) { @@ -647,8 +664,9 @@ static char *select_font(ASS_FontSelector *priv, ASS_Library *library, meta = default_meta; } - result = find_font(priv, library, meta, bold, italic, index, - postscript_name, uid, stream, code, &name_match); + result = find_font(priv, library, meta, match_extended_family, + bold, italic, index, postscript_name, uid, + stream, code, &name_match); // If no matching font was found, it might not exist in the font list // yet. Call the match_fonts callback to fill in the missing fonts @@ -662,8 +680,9 @@ static char *select_font(ASS_FontSelector *priv, ASS_Library *library, library, default_provider, meta.fullnames[i]); } - result = find_font(priv, library, meta, bold, italic, index, - postscript_name, uid, stream, code, &name_match); + result = find_font(priv, library, meta, match_extended_family, + bold, italic, index, postscript_name, uid, + stream, code, &name_match); } // cleanup @@ -699,11 +718,11 @@ char *ass_font_select(ASS_FontSelector *priv, ASS_Library *library, ASS_FontProvider *default_provider = priv->default_provider; if (family && *family) - res = select_font(priv, library, family, bold, italic, index, + res = select_font(priv, library, family, false, bold, italic, index, postscript_name, uid, data, code); if (!res && priv->family_default) { - res = select_font(priv, library, priv->family_default, bold, + res = select_font(priv, library, priv->family_default, false, bold, italic, index, postscript_name, uid, data, code); if (res) ass_msg(library, MSGL_WARN, "fontselect: Using default " @@ -720,7 +739,7 @@ char *ass_font_select(ASS_FontSelector *priv, ASS_Library *library, default_provider->priv, library, search_family, code); if (fallback_family) { - res = select_font(priv, library, fallback_family, bold, italic, + res = select_font(priv, library, fallback_family, true, bold, italic, index, postscript_name, uid, data, code); free(fallback_family); } |