banan-os/kernel/include/kernel/Font.h

35 lines
757 B
C++

#pragma once
#include <BAN/HashMap.h>
#include <BAN/Span.h>
#include <BAN/StringView.h>
namespace Kernel
{
class Font
{
public:
static BAN::ErrorOr<Font> load(BAN::StringView);
static BAN::ErrorOr<Font> prefs();
uint32_t width() const { return m_width; }
uint32_t height() const { return m_height; }
uint32_t pitch() const { return m_pitch; }
bool has_glyph(uint32_t) const;
const uint8_t* glyph(uint32_t) const;
private:
static BAN::ErrorOr<Font> parse_psf1(const BAN::Span<uint8_t>);
static BAN::ErrorOr<Font> parse_psf2(const BAN::Span<uint8_t>);
private:
BAN::HashMap<uint32_t, uint32_t> m_glyph_offsets;
BAN::Vector<uint8_t> m_glyph_data;
uint32_t m_width = 0;
uint32_t m_height = 0;
uint32_t m_pitch = 0;
};
}