LibGfx: Add FontDatabase::for_each_typeface_with_family_name()

Some clients (e.g LibWeb) want to look up typefaces by name. Since we
already store typefaces in a HashMap keyed by family name, let's also
have a nice & fast API that takes advantage of this.
This commit is contained in:
Andreas Kling 2023-08-24 11:34:16 +02:00
parent 82ccc49b52
commit 2cd89531f9
Notes: sideshowbarker 2024-07-17 03:35:16 +09:00
2 changed files with 10 additions and 0 deletions

View file

@ -260,4 +260,13 @@ void FontDatabase::for_each_typeface(Function<void(Typeface const&)> callback)
} }
} }
void FontDatabase::for_each_typeface_with_family_name(String const& family_name, Function<void(Typeface const&)> callback)
{
auto it = m_private->typefaces.find(family_name.bytes_as_string_view());
if (it == m_private->typefaces.end())
return;
for (auto const& typeface : it->value)
callback(*typeface);
}
} }

View file

@ -55,6 +55,7 @@ public:
void for_each_fixed_width_font(Function<void(Gfx::Font const&)>); void for_each_fixed_width_font(Function<void(Gfx::Font const&)>);
void for_each_typeface(Function<void(Typeface const&)>); void for_each_typeface(Function<void(Typeface const&)>);
void for_each_typeface_with_family_name(String const& family_name, Function<void(Typeface const&)>);
void load_all_fonts_from_path(DeprecatedString const&); void load_all_fonts_from_path(DeprecatedString const&);