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serenity/Userland/Libraries/LibGfx/FontDatabase.h
Andreas Kling 4dd9e2df78 LibGfx: Add Font::AllowInexactSizeMatch parameter to font lookup
This allows bitmap font lookup to return the best matching size instead
of failing completely. The previous behavior (exact matches only)
remains the default.
2022-02-25 19:38:31 +01:00

65 lines
1.7 KiB
C++

/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/Function.h>
#include <AK/HashMap.h>
#include <AK/OwnPtr.h>
#include <AK/String.h>
#include <LibGfx/Forward.h>
#include <LibGfx/Typeface.h>
namespace Gfx {
namespace FontWeight {
enum {
Thin = 100,
ExtraLight = 200,
Light = 300,
Regular = 400,
Medium = 500,
SemiBold = 600,
Bold = 700,
ExtraBold = 800,
Black = 900,
ExtraBlack = 950
};
}
class FontDatabase {
public:
static FontDatabase& the();
static Font& default_font();
static Font& default_fixed_width_font();
static String default_font_query();
static String fixed_width_font_query();
static String default_fonts_lookup_path();
static void set_default_font_query(String);
static void set_fixed_width_font_query(String);
static void set_default_fonts_lookup_path(String);
RefPtr<Gfx::Font> get(const String& family, unsigned size, unsigned weight, unsigned slope, Font::AllowInexactSizeMatch = Font::AllowInexactSizeMatch::No);
RefPtr<Gfx::Font> get(const String& family, const String& variant, unsigned size, Font::AllowInexactSizeMatch = Font::AllowInexactSizeMatch::No);
RefPtr<Gfx::Font> get_by_name(StringView);
void for_each_font(Function<void(const Gfx::Font&)>);
void for_each_fixed_width_font(Function<void(const Gfx::Font&)>);
void for_each_typeface(Function<void(const Typeface&)>);
private:
FontDatabase();
~FontDatabase();
RefPtr<Typeface> get_or_create_typeface(const String& family, const String& variant);
struct Private;
OwnPtr<Private> m_private;
};
}