ref: 78e751f022a5aa3a6ffc4fd08a81fc408c5b70d4
dir: /include/gfx/main.hpp/
/* * This file is part of RGBDS. * * Copyright (c) 2022, Eldred Habert and RGBDS contributors. * * SPDX-License-Identifier: MIT */ #ifndef RGBDS_GFX_MAIN_HPP #define RGBDS_GFX_MAIN_HPP #include <array> #include <limits.h> #include <stdint.h> #include <string> #include <vector> #include "helpers.h" #include "gfx/rgba.hpp" struct Options { uint8_t reversedWidth = 0; // -r, in pixels bool reverse() const { return reversedWidth != 0; } bool useColorCurve = false; // -C bool allowMirroring = false; // -m bool allowDedup = false; // -u bool columnMajor = false; // -Z, previously -h uint8_t verbosity = 0; // -v std::string attrmap{}; // -a, -A std::array<uint8_t, 2> baseTileIDs{0, 0}; // -b enum { NO_SPEC, EXPLICIT, EMBEDDED, } palSpecType = NO_SPEC; // -c std::vector<std::array<Rgba, 4>> palSpec{}; uint8_t bitDepth = 2; // -d std::array<uint32_t, 4> inputSlice{0, 0, 0, 0}; // -L (margins in clockwise order, like CSS) std::array<uint16_t, 2> maxNbTiles{UINT16_MAX, 0}; // -N uint8_t nbPalettes = 8; // -n std::string output{}; // -o std::string palettes{}; // -p, -P uint8_t nbColorsPerPal = 0; // -s; 0 means "auto" = 1 << bitDepth; std::string tilemap{}; // -t, -T std::array<uint16_t, 2> unitSize{1, 1}; // -U (in tiles) uint64_t trim = 0; // -x std::string input{}; // positional arg static constexpr uint8_t VERB_NONE = 0; // Normal, no extra output static constexpr uint8_t VERB_CFG = 1; // Print configuration after parsing options static constexpr uint8_t VERB_LOG_ACT = 2; // Log actions before doing them static constexpr uint8_t VERB_INTERM = 3; // Print some intermediate results static constexpr uint8_t VERB_DEBUG = 4; // Internals are logged static constexpr uint8_t VERB_UNMAPPED = 5; // Unused so far static constexpr uint8_t VERB_VVVVVV = 6; // What, can't I have a little fun? format_(printf, 3, 4) void verbosePrint(uint8_t level, char const *fmt, ...) const; mutable bool hasTransparentPixels = false; uint8_t maxOpaqueColors() const { return nbColorsPerPal - hasTransparentPixels; } }; extern Options options; void warning(char const *fmt, ...); void error(char const *fmt, ...); [[noreturn]] void fatal(char const *fmt, ...); struct Palette { // An array of 4 GBC-native (RGB555) colors std::array<uint16_t, 4> colors{UINT16_MAX, UINT16_MAX, UINT16_MAX, UINT16_MAX}; void addColor(uint16_t color); uint8_t indexOf(uint16_t color) const; uint16_t &operator[](size_t index) { return colors[index]; } uint16_t const &operator[](size_t index) const { return colors[index]; } decltype(colors)::iterator begin(); decltype(colors)::iterator end(); decltype(colors)::const_iterator begin() const; decltype(colors)::const_iterator end() const; uint8_t size() const; }; static constexpr uint8_t flip(uint8_t byte) { // To flip all the bits, we'll flip both nibbles, then each nibble half, etc. byte = (byte & 0b0000'1111) << 4 | (byte & 0b1111'0000) >> 4; byte = (byte & 0b0011'0011) << 2 | (byte & 0b1100'1100) >> 2; byte = (byte & 0b0101'0101) << 1 | (byte & 0b1010'1010) >> 1; return byte; } #endif /* RGBDS_GFX_MAIN_HPP */