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- /*
- * Copyright (C) 2021 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/>.
- */
-
- #ifndef ANTKEEPER_TYPE_FONT_METRICS_HPP
- #define ANTKEEPER_TYPE_FONT_METRICS_HPP
-
- namespace type {
-
- /**
- * Metrics describing properties of a font.
- */
- struct font_metrics
- {
- /// Vertical size of the font.
- float size;
-
- /// Positive distance from the baseline to the highest or upper grid coordinate.
- float ascent;
-
- /// Negative distance from the baseline to the lowest grid coordinate.
- float descent;
-
- /// Distance that must be placed between two lines of text.
- float linegap;
-
- /// Baseline-to-baseline distance, computed as `ascent - descent + linegap`.
- float linespace;
-
- /// Vertical position of an underline.
- float underline_position;
-
- /// Thickness of an underline.
- float underline_thickness;
-
- /// Maximum advance with for all glyphs, for horizontal layouts.
- float max_horizontal_advance;
-
- /// Maximum advance height for all glyphs, for vertical layouts.
- float max_vertical_advance;
- };
-
- } // namespace type
-
- #endif // ANTKEEPER_TYPE_FONT_METRICS_HPP
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