summaryrefslogtreecommitdiff
path: root/Userland/Libraries/LibWeb/FontCache.h
blob: 4dcee2d6dbda2951fe06883c0d5522260fe623b2 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
/*
 * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
 *
 * SPDX-License-Identifier: BSD-2-Clause
 */

#pragma once

#include <AK/FlyString.h>
#include <AK/HashMap.h>
#include <AK/String.h>
#include <LibGfx/Font.h>
#include <LibGfx/Forward.h>

struct FontSelector {
    FlyString family;
    int size { 0 };
    int weight { 0 };
    int slope { 0 };

    bool operator==(const FontSelector& other) const
    {
        return family == other.family && size == other.size && weight == other.weight && slope == other.slope;
    }
};

namespace AK {
template<>
struct Traits<FontSelector> : public GenericTraits<FontSelector> {
    static unsigned hash(const FontSelector& key) { return pair_int_hash(pair_int_hash(key.family.hash(), key.weight), key.size); }
};
}

class FontCache {
public:
    static FontCache& the();
    RefPtr<Gfx::Font> get(const FontSelector&) const;
    void set(const FontSelector&, NonnullRefPtr<Gfx::Font>);

private:
    FontCache() { }
    mutable HashMap<FontSelector, NonnullRefPtr<Gfx::Font>> m_fonts;
};