41 lines
No EOL
1.2 KiB
C++
41 lines
No EOL
1.2 KiB
C++
#ifndef _library__customfont__hpp__included__
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#define _library__customfont__hpp__included__
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#include <vector>
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#include <cstdint>
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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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struct font_glyph_data
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{
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font_glyph_data();
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font_glyph_data(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> glyph; //Bitpacked, element breaks between rows.
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void render(framebuffer<false>& fb, int32_t x, int32_t y, premultiplied_color fg, premultiplied_color bg,
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premultiplied_color hl) const;
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void render(framebuffer<true>& fb, int32_t x, int32_t y, premultiplied_color fg, premultiplied_color bg,
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premultiplied_color hl) const;
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};
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struct custom_font
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{
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public:
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custom_font();
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custom_font(const std::string& file);
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void add(const std::u32string& key, const font_glyph_data& glyph) throw(std::bad_alloc);
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std::u32string best_ligature_match(const std::u32string& codepoints, size_t start) const
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throw(std::bad_alloc);
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const font_glyph_data& lookup_glyph(const std::u32string& key) const throw();
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unsigned get_rowadvance() const throw() { return rowadvance; }
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private:
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std::map<std::u32string, font_glyph_data> glyphs;
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unsigned rowadvance;
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};
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#endif |