💿🐜 Antkeeper source code
https://antkeeper.com
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80 lines
2.5 KiB
80 lines
2.5 KiB
/*
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* Copyright (C) 2021 Christopher J. Howard
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*
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* This file is part of Antkeeper source code.
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*
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* Antkeeper source code is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Antkeeper source code is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Antkeeper source code. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef ANTKEEPER_TYPE_FREETYPE_TYPEFACE_HPP
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#define ANTKEEPER_TYPE_FREETYPE_TYPEFACE_HPP
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#include "type/typeface.hpp"
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#include <ft2build.h>
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#include FT_FREETYPE_H
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namespace type {
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namespace freetype {
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/**
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* Typeface implementation using the FreeType library.
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*
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* @see type::typeface
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*/
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class typeface: public type::typeface
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{
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public:
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/**
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* Creates a FreeType typeface.
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*
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* @param library Pointer to a FreeType library instance.
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* @param face Pointer to the FreeType object instance.
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* @param buffer Pointer to file buffer containing FreeType face data.
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*/
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typeface(FT_Library library, FT_Face face, unsigned char* buffer);
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/// Destroys a FreeType typeface.
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virtual ~typeface();
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/// @copydoc type::typeface::has_kerning() const
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virtual bool has_kerning() const;
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/// @copydoc type::typeface::has_glyph(char32_t) const
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virtual bool has_glyph(char32_t code) const;
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/// @copydoc type::typeface::get_metrics(float, font_metrics&) const
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virtual bool get_metrics(float height, font_metrics& metrics) const;
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/// @copydoc type::typeface::get_metrics(float, char32_t, glyph_metrics&) const
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virtual bool get_metrics(float height, char32_t code, glyph_metrics& metrics) const;
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/// @copydoc type::typeface::get_bitmap(float, char32_t, image&) const
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virtual bool get_bitmap(float height, char32_t code, image& bitmap) const;
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/// @copydoc type::typeface::get_kerning(float, char32_t, char32_t, float2&) const
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virtual bool get_kerning(float height, char32_t first, char32_t second, float2& offset) const;
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private:
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void set_face_pixel_size(float height) const;
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FT_Library library;
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FT_Face face;
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unsigned char* buffer;
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mutable float height;
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};
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} // namespace freetype
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} // namespace type
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#endif // ANTKEEPER_TYPE_FREETYPE_TYPEFACE_HPP
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