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/*
* Copyright (c) 2018-2023, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/FlyString.h>
#include <AK/HashMap.h>
#include <LibGfx/Font/Font.h>
#include <LibGfx/Forward.h>
struct FontSelector {
FlyString family;
float point_size { 0 };
int weight { 0 };
int width { 0 };
int slope { 0 };
bool operator==(FontSelector const& other) const
{
return family == other.family && point_size == other.point_size && weight == other.weight && width == other.width && slope == other.slope;
}
};
namespace AK {
template<>
struct Traits<FontSelector> : public GenericTraits<FontSelector> {
static unsigned hash(FontSelector const& key) { return pair_int_hash(pair_int_hash(key.family.hash(), key.weight), key.point_size); }
};
}
class FontCache {
public:
static FontCache& the();
RefPtr<Gfx::Font const> get(FontSelector const&) const;
void set(FontSelector const&, NonnullRefPtr<Gfx::Font const>);
NonnullRefPtr<Gfx::Font const> scaled_font(Gfx::Font const&, float scale_factor);
private:
FontCache() = default;
mutable HashMap<FontSelector, NonnullRefPtr<Gfx::Font const>> m_fonts;
};
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