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58 lines
1.8 KiB
C++
58 lines
1.8 KiB
C++
/* Python-rgbcx Texture Compression Library
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Copyright (C) 2021 Andrew Cassidy <drewcassidy@me.com>
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Partially derived from rgbcx.h written by Richard Geldreich <richgel99@gmail.com>
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and licenced under the public domain
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser 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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This program 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 Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <array>
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#include <cassert>
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#include <cstdint>
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#include <cstdio>
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#include <vector>
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#include "blocks.h"
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template <size_t N> class ColorRow {
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public:
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constexpr Color &operator[](size_t n) noexcept { return _colors[n]; }
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constexpr const Color &operator[](size_t n) const noexcept { return _colors[n]; }
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constexpr int size() noexcept { return N; }
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private:
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std::array<Color, 4> _colors;
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};
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template <size_t M, size_t N> class ColorBlock {
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public:
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using Row = ColorRow<N>;
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constexpr Row &operator[](size_t n) noexcept { return *_rows[n]; }
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constexpr const Row &operator[](size_t n) const noexcept { return *_rows[n]; }
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constexpr int width() noexcept { return N; }
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constexpr int height() noexcept { return M; }
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constexpr int size() noexcept { return N * M; }
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ColorBlock(const std::array<Row *, M> &Rows) : _rows(Rows) {}
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private:
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std::array<Row *, M> _rows;
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};
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using Color4x4 = ColorBlock<4, 4>;
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