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MapLibreParticleLab/include/mln/text/glyph_range.hpp
Bart Louwers 2a8ebc4906 core: rename mbgl directories to mln (#4511)
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
2026-08-22 20:50:14 +02:00

48 lines
1.2 KiB
C++

#pragma once
#include <utility>
#include <cstdint>
#include <unordered_set>
#include <mln/util/hash.hpp>
#include <mln/util/font_stack.hpp>
namespace mln {
enum GlyphIDType : uint16_t {
FontPBF = 0x00,
};
GlyphIDType genNewGlyphIDType(const std::string &url,
const FontStack &fontStack,
const std::vector<std::pair<uint32_t, uint32_t>> &pairs);
class GlyphRange {
public:
uint16_t first = 0;
uint16_t second = 0;
GlyphIDType type = GlyphIDType::FontPBF;
GlyphRange(uint32_t first_, uint32_t second_, GlyphIDType type_ = FontPBF);
bool operator==(const GlyphRange &other) const;
bool operator<(const GlyphRange &other) const;
};
constexpr uint32_t GLYPHS_PER_GLYPH_RANGE = 256;
constexpr uint32_t GLYPH_RANGES_PER_FONT_STACK = 256;
// Verified against i18n::glyphRangeIsEntirelyLocallyGenerated by
// i18n.GlyphRangeLocalGenerationCountMatchesConstant.
constexpr uint32_t NON_IDEOGRAPH_GLYPH_RANGES_PER_FONT_STACK = 97;
} // end namespace mln
namespace std {
template <>
struct hash<mln::GlyphRange> {
std::size_t operator()(const mln::GlyphRange &range) const { return mln::util::hash(range.first, range.second); }
};
} // namespace std