ladybird/Libraries/LibGfx/Font/FontDatabase.h

43 lines
1.2 KiB
C++

/*
* Copyright (c) 2018-2020, Andreas Kling <andreas@ladybird.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/FlyString.h>
#include <AK/Function.h>
#include <AK/HashMap.h>
#include <AK/OwnPtr.h>
#include <LibGfx/Font/Typeface.h>
#include <LibGfx/Forward.h>
namespace Gfx {
class SystemFontProvider {
public:
virtual ~SystemFontProvider();
virtual StringView name() const = 0;
virtual RefPtr<Gfx::Font> get_font(FlyString const& family, float point_size, unsigned weight, unsigned width, unsigned slope) = 0;
virtual void for_each_typeface_with_family_name(FlyString const& family_name, Function<void(Typeface const&)>) = 0;
};
class FontDatabase {
public:
static FontDatabase& the();
SystemFontProvider& install_system_font_provider(NonnullOwnPtr<SystemFontProvider>);
RefPtr<Gfx::Font> get(FlyString const& family, float point_size, unsigned weight, unsigned width, unsigned slope);
void for_each_typeface_with_family_name(FlyString const& family_name, Function<void(Typeface const&)>);
[[nodiscard]] StringView system_font_provider_name() const;
private:
FontDatabase();
~FontDatabase() = default;
OwnPtr<SystemFontProvider> m_system_font_provider;
};
}