ref: ca8693690ab7c0a1456348c733fbaf905754d73f
dir: /include/gfx/proto_palette.hpp/
/* * This file is part of RGBDS. * * Copyright (c) 2022, Eldred Habert and RGBDS contributors. * * SPDX-License-Identifier: MIT */ #ifndef RGBDS_GFX_PROTO_PALETTE_HPP #define RGBDS_GFX_PROTO_PALETTE_HPP #include <algorithm> #include <array> #include <stddef.h> #include <stdint.h> class ProtoPalette { // Up to 4 colors, sorted, and where SIZE_MAX means the slot is empty // (OK because it's not a valid color index) // Sorting is done on the raw numerical values to lessen `compare`'s complexity std::array<uint16_t, 4> _colorIndices{UINT16_MAX, UINT16_MAX, UINT16_MAX, UINT16_MAX}; public: /** * Adds the specified color to the set * Returns false if the set is full */ bool add(uint16_t color); enum ComparisonResult { NEITHER, WE_BIGGER, THEY_BIGGER = -1, }; ComparisonResult compare(ProtoPalette const &other) const; size_t size() const; bool empty() const; decltype(_colorIndices)::const_iterator begin() const; decltype(_colorIndices)::const_iterator end() const; }; #endif /* RGBDS_GFX_PROTO_PALETTE_HPP */