font.cpp

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/*
 * Copyright (C) 2023  Christopher J. Howard
 *
 * This file is part of Antkeeper source code.
 *
 * Antkeeper source code is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Antkeeper source code is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Antkeeper source code.  If not, see <http://www.gnu.org/licenses/>.
 */
 
#include <engine/type/font.hpp>
 
namespace type {
 
font::font(const font_metrics& metrics):
    metrics(metrics)
{}
 
font::font()
{}
 
font::~font()
{}
 
void font::kern(char32_t first, char32_t second, const math::fvec2& offset)
{
    kerning_table[first][second] = offset;
}
 
void font::set_font_metrics(const font_metrics& metrics)
{
    this->metrics = metrics;
}
 
const math::fvec2& font::get_kerning(char32_t first, char32_t second) const
{
    if (auto it_first = kerning_table.find(first); it_first != kerning_table.end())
        if (auto it_second = it_first->second.find(second); it_second != it_first->second.end())
            return it_second->second;
    
    static const math::fvec2 no_kerning = {0.0f, 0.0f};
    return no_kerning;
}
 
} // namespace type