44 lines
990 B
C++
44 lines
990 B
C++
#pragma once
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#include <BAN/ByteSpan.h>
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#include <BAN/HashMap.h>
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#include <BAN/StringView.h>
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namespace LibFont
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{
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class Font
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{
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public:
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static BAN::ErrorOr<Font> load(BAN::StringView path);
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#if __is_kernel
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static BAN::ErrorOr<Font> prefs();
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#endif
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uint32_t width() const { return m_width; }
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uint32_t height() const { return m_height; }
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uint32_t pitch() const { return m_pitch; }
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bool has_glyph(uint32_t codepoint) const { return glyph(codepoint) != nullptr; }
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const uint8_t* glyph(uint32_t codepoint) const
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{
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auto it = m_glyph_offsets.find(codepoint);
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if (it == m_glyph_offsets.end())
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return nullptr;
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return m_glyph_data.data() + it->value;
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}
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private:
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static BAN::ErrorOr<Font> parse_psf1(BAN::ConstByteSpan);
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static BAN::ErrorOr<Font> parse_psf2(BAN::ConstByteSpan);
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private:
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BAN::HashMap<uint32_t, uint32_t> m_glyph_offsets;
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BAN::Vector<uint8_t> m_glyph_data;
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uint32_t m_width = 0;
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uint32_t m_height = 0;
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uint32_t m_pitch = 0;
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};
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}
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