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56 lines
1.8 KiB
C++
56 lines
1.8 KiB
C++
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/* 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 2020 <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 Affero 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 Affero General Public License for more details.
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You should have received a copy of the GNU Affero 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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#include "blocks.h"
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#include <algorithm>
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#include <cassert>
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// region color32 implementation
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color32::color32(uint32_t vr, uint32_t vg, uint32_t vb, uint32_t va) { set(vr, vg, vb, va); }
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uint8_t color32::operator[](uint32_t idx) const {
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assert(idx < 4);
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return c[idx];
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}
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uint8_t &color32::operator[](uint32_t idx) {
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assert(idx < 4);
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return c[idx];
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}
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void color32::set(uint8_t vr, uint8_t vg, uint8_t vb, uint8_t va) {
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c[0] = vr;
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c[1] = vg;
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c[2] = vb;
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c[3] = va;
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}
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void color32::set_rgb(const color32 &other) {
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c[0] = other.c[0];
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c[1] = other.c[1];
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c[2] = other.c[2];
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}
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color32 color32::comp_min(const color32 &a, const color32 &b) {
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return color32(std::min(a[0], b[0]), std::min(a[1], b[1]), std::min(a[2], b[2]), std::min(a[3], b[3]));
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}
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color32 color32::comp_max(const color32 &a, const color32 &b) {
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return color32(std::max(a[0], b[0]), std::max(a[1], b[1]), std::max(a[2], b[2]), std::max(a[3], b[3]));
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}
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// endregion
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