ref: fe3521c7a4d8681fe68ea3b139761780c630a563
dir: /src/gfx/main.c/
/* * This file is part of RGBDS. * * Copyright (c) 2013-2018, stag019 and RGBDS contributors. * * SPDX-License-Identifier: MIT */ #include <png.h> #include <stdlib.h> #include <string.h> #include "gfx/main.h" #include "extern/getopt.h" #include "version.h" int depth, colors; /* Short options */ static char const *optstring = "Aa:CDd:Ffhmo:Pp:Tt:uVvx:"; /* * Equivalent long options * Please keep in the same order as short opts * * Also, make sure long opts don't create ambiguity: * A long opt's name should start with the same letter as its short opt, * except if it doesn't create any ambiguity (`verbose` versus `version`). * This is because long opt matching, even to a single char, is prioritized * over short opt matching */ static struct option const longopts[] = { { "output-attr-map", no_argument, NULL, 'A' }, { "attr-map", required_argument, NULL, 'a' }, { "color-curve", no_argument, NULL, 'C' }, { "debug", no_argument, NULL, 'D' }, { "depth", required_argument, NULL, 'd' }, { "fix", no_argument, NULL, 'f' }, { "fix-and-save", no_argument, NULL, 'F' }, { "horizontal", no_argument, NULL, 'h' }, { "mirror-tiles", no_argument, NULL, 'm' }, { "output", required_argument, NULL, 'o' }, { "output-palette", no_argument, NULL, 'P' }, { "palette", required_argument, NULL, 'p' }, { "output-tilemap", no_argument, NULL, 'T' }, { "tilemap", required_argument, NULL, 't' }, { "unique-tiles", no_argument, NULL, 'u' }, { "version", no_argument, NULL, 'V' }, { "verbose", no_argument, NULL, 'v' }, { "trim-end", required_argument, NULL, 'x' }, { NULL, no_argument, NULL, 0 } }; static void print_usage(void) { fputs( "Usage: rgbgfx [-CDhmuVv] [-f | -F] [-a <attr_map> | -A] [-d <depth>]\n" " [-o <out_file>] [-p <pal_file> | -P] [-t <tile_map> | -T]\n" " [-x <tiles>] <file>\n" "Useful options:\n" " -f, --fix make the input image an indexed PNG\n" " -m, --mirror-tiles optimize out mirrored tiles\n" " -o, --output <path> set the output binary file\n" " -t, --tilemap <path> set the output tilemap file\n" " -u, --unique-tiles optimize out identical tiles\n" " -V, --version print RGBGFX version and exit\n" "\n" "For help, use `man rgbgfx' or go to https://rgbds.gbdev.io/docs/\n", stderr); exit(1); } int main(int argc, char *argv[]) { int ch, size; struct Options opts = {0}; struct ImageOptions png_options = {0}; struct RawIndexedImage *raw_image; struct GBImage gb = {0}; struct Mapfile tilemap = {0}; struct Mapfile attrmap = {0}; char *ext; opts.tilemapfile = ""; opts.attrmapfile = ""; opts.palfile = ""; opts.outfile = ""; depth = 2; while ((ch = musl_getopt_long_only(argc, argv, optstring, longopts, NULL)) != -1) { switch (ch) { case 'A': opts.attrmapout = true; break; case 'a': opts.attrmapfile = musl_optarg; break; case 'C': opts.colorcurve = true; break; case 'D': opts.debug = true; break; case 'd': depth = strtoul(musl_optarg, NULL, 0); break; case 'F': opts.hardfix = true; /* fallthrough */ case 'f': opts.fix = true; break; case 'h': opts.horizontal = true; break; case 'm': opts.mirror = true; opts.unique = true; break; case 'o': opts.outfile = musl_optarg; break; case 'P': opts.palout = true; break; case 'p': opts.palfile = musl_optarg; break; case 'T': opts.tilemapout = true; break; case 't': opts.tilemapfile = musl_optarg; break; case 'u': opts.unique = true; break; case 'V': printf("rgbgfx %s\n", get_package_version_string()); exit(0); case 'v': opts.verbose = true; break; case 'x': opts.trim = strtoul(musl_optarg, NULL, 0); break; default: print_usage(); /* NOTREACHED */ } } argc -= musl_optind; argv += musl_optind; if (argc == 0) { fputs("FATAL: no input files\n", stderr); print_usage(); } #define WARN_MISMATCH(property) \ warnx("The PNG's " property \ " setting doesn't match the one defined on the command line") opts.infile = argv[argc - 1]; if (depth != 1 && depth != 2) errx(1, "Depth option must be either 1 or 2."); colors = 1 << depth; raw_image = input_png_file(&opts, &png_options); png_options.tilemapfile = ""; png_options.attrmapfile = ""; png_options.palfile = ""; if (png_options.horizontal != opts.horizontal) { if (opts.verbose) WARN_MISMATCH("horizontal"); if (opts.hardfix) png_options.horizontal = opts.horizontal; } if (png_options.horizontal) opts.horizontal = png_options.horizontal; if (png_options.trim != opts.trim) { if (opts.verbose) WARN_MISMATCH("trim"); if (opts.hardfix) png_options.trim = opts.trim; } if (png_options.trim) opts.trim = png_options.trim; if (raw_image->width % 8) { errx(1, "Input PNG file %s not sized correctly. The image's width must be a multiple of 8.", opts.infile); } if (raw_image->width / 8 > 1 && raw_image->height % 8) { errx(1, "Input PNG file %s not sized correctly. If the image is more than 1 tile wide, its height must be a multiple of 8.", opts.infile); } if (opts.trim && opts.trim > (raw_image->width / 8) * (raw_image->height / 8) - 1) { errx(1, "Trim (%d) for input raw_image file '%s' too large (max: %u)", opts.trim, opts.infile, (raw_image->width / 8) * (raw_image->height / 8) - 1); } if (strcmp(png_options.tilemapfile, opts.tilemapfile) != 0) { if (opts.verbose) WARN_MISMATCH("tilemap file"); if (opts.hardfix) png_options.tilemapfile = opts.tilemapfile; } if (!*opts.tilemapfile) opts.tilemapfile = png_options.tilemapfile; if (png_options.tilemapout != opts.tilemapout) { if (opts.verbose) WARN_MISMATCH("tilemap file"); if (opts.hardfix) png_options.tilemapout = opts.tilemapout; } if (png_options.tilemapout) opts.tilemapout = png_options.tilemapout; if (strcmp(png_options.attrmapfile, opts.attrmapfile) != 0) { if (opts.verbose) WARN_MISMATCH("attrmap file"); if (opts.hardfix) png_options.attrmapfile = opts.attrmapfile; } if (!*opts.attrmapfile) opts.attrmapfile = png_options.attrmapfile; if (png_options.attrmapout != opts.attrmapout) { if (opts.verbose) WARN_MISMATCH("attrmap file"); if (opts.hardfix) png_options.attrmapout = opts.attrmapout; } if (png_options.attrmapout) opts.attrmapout = png_options.attrmapout; if (strcmp(png_options.palfile, opts.palfile) != 0) { if (opts.verbose) WARN_MISMATCH("palette file"); if (opts.hardfix) png_options.palfile = opts.palfile; } if (!*opts.palfile) opts.palfile = png_options.palfile; if (png_options.palout != opts.palout) { if (opts.verbose) WARN_MISMATCH("palette file"); if (opts.hardfix) png_options.palout = opts.palout; } #undef WARN_MISMATCH if (png_options.palout) opts.palout = png_options.palout; if (!*opts.tilemapfile && opts.tilemapout) { ext = strrchr(opts.infile, '.'); if (ext != NULL) { size = ext - opts.infile + 9; opts.tilemapfile = malloc(size); strncpy(opts.tilemapfile, opts.infile, size); *strrchr(opts.tilemapfile, '.') = '\0'; strcat(opts.tilemapfile, ".tilemap"); } else { opts.tilemapfile = malloc(strlen(opts.infile) + 9); strcpy(opts.tilemapfile, opts.infile); strcat(opts.tilemapfile, ".tilemap"); } } if (!*opts.attrmapfile && opts.attrmapout) { ext = strrchr(opts.infile, '.'); if (ext != NULL) { size = ext - opts.infile + 9; opts.attrmapfile = malloc(size); strncpy(opts.attrmapfile, opts.infile, size); *strrchr(opts.attrmapfile, '.') = '\0'; strcat(opts.attrmapfile, ".attrmap"); } else { opts.attrmapfile = malloc(strlen(opts.infile) + 9); strcpy(opts.attrmapfile, opts.infile); strcat(opts.attrmapfile, ".attrmap"); } } if (!*opts.palfile && opts.palout) { ext = strrchr(opts.infile, '.'); if (ext != NULL) { size = ext - opts.infile + 5; opts.palfile = malloc(size); strncpy(opts.palfile, opts.infile, size); *strrchr(opts.palfile, '.') = '\0'; strcat(opts.palfile, ".pal"); } else { opts.palfile = malloc(strlen(opts.infile) + 5); strcpy(opts.palfile, opts.infile); strcat(opts.palfile, ".pal"); } } gb.size = raw_image->width * raw_image->height * depth / 8; gb.data = calloc(gb.size, 1); gb.trim = opts.trim; gb.horizontal = opts.horizontal; if (*opts.outfile || *opts.tilemapfile || *opts.attrmapfile) { raw_to_gb(raw_image, &gb); create_mapfiles(&opts, &gb, &tilemap, &attrmap); } if (*opts.outfile) output_file(&opts, &gb); if (*opts.tilemapfile) output_tilemap_file(&opts, &tilemap); if (*opts.attrmapfile) output_attrmap_file(&opts, &attrmap); if (*opts.palfile) output_palette_file(&opts, raw_image); if (opts.fix || opts.debug) output_png_file(&opts, &png_options, raw_image); destroy_raw_image(&raw_image); free(gb.data); return 0; }