47 lines
1.5 KiB
C++
47 lines
1.5 KiB
C++
#ifndef _library__framebuffer_font2__hpp__included__
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#define _library__framebuffer_font2__hpp__included__
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#include <vector>
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#include <cstdint>
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#include <functional>
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#include <cstdlib>
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#include <iostream>
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#include <stdexcept>
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#include <map>
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#include "framebuffer.hpp"
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namespace framebuffer
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{
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struct font2
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{
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public:
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struct glyph
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{
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glyph();
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glyph(std::istream& s);
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unsigned width;
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unsigned height;
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unsigned stride;
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std::vector<uint32_t> fglyph; //Bitpacked, element breaks between rows.
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void render(fb<false>& fb, int32_t x, int32_t y, color fg, color bg, color hl) const;
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void render(fb<true>& fb, int32_t x, int32_t y, color fg, color bg, color hl) const;
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void render(uint8_t* buf, size_t stride, uint32_t u, uint32_t v, uint32_t w, uint32_t h) const;
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void dump(std::ostream& s) const;
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};
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font2();
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font2(const std::string& file);
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font2(struct font& bfont);
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void add(const std::u32string& key, const glyph& fglyph);
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std::u32string best_ligature_match(const std::u32string& codepoints, size_t start) const;
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const glyph& lookup_glyph(const std::u32string& key) const throw();
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unsigned get_rowadvance() const throw() { return rowadvance; }
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std::pair<uint32_t, uint32_t> get_metrics(const std::u32string& str, uint32_t xalign) const;
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void for_each_glyph(const std::u32string& str, uint32_t xalign, std::function<void(uint32_t x, uint32_t y,
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const glyph& g)> cb) const;
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void dump(const std::string& file) const;
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private:
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std::map<std::u32string, glyph> glyphs;
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unsigned rowadvance;
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};
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}
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#endif
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