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62 lines
2.3 KiB
C++
62 lines
2.3 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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#include "Texture.h"
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#include <stdexcept>
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#include <type_traits>
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#include "Color.h"
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namespace quicktex {
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RawTexture::RawTexture(int width, int height) : Base(width, height) { _pixels = new Color[(size_t)(_width * _height)]; }
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RawTexture::RawTexture(RawTexture&& other) : Base(other._width, other._height) {
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_pixels = other._pixels;
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other._pixels = nullptr;
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}
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RawTexture::RawTexture(const RawTexture& other) : RawTexture(other._width, other._height) {
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std::memcpy(_pixels, other._pixels, (size_t)(_width * _height) * sizeof(Color));
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}
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RawTexture& RawTexture::operator=(RawTexture other) noexcept {
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swap(*this, other);
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return *this;
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}
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void swap(RawTexture& first, RawTexture& second) noexcept {
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using std::swap; // enable ADL
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swap(first._pixels, second._pixels);
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swap(first._width, second._width);
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swap(first._height, second._height);
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}
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Color RawTexture::GetPixel(int x, int y) const {
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if (x < 0 || x >= _width) throw std::invalid_argument("x value out of range.");
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if (y < 0 || y >= _height) throw std::invalid_argument("y value out of range.");
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return _pixels[x + (y * _width)];
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}
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void RawTexture::SetPixel(int x, int y, Color val) {
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if (x < 0 || x >= _width) throw std::invalid_argument("x value out of range.");
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if (y < 0 || y >= _height) throw std::invalid_argument("y value out of range.");
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_pixels[x + (y * _width)] = val;
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}
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} // namespace quicktex
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