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