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Implement preliminary version of "reverse" feature

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Not hooked to all RGBGFX flags yet, but good enough for most use cases
(and as a base for future development, should I need to `reset --hard`.)

TODOs marked appropriately.
This commit is contained in:
ISSOtm
2022-03-27 20:21:00 +02:00
committed by Eldred Habert
parent 843022772b
commit cc27169ecd
9 changed files with 428 additions and 18 deletions
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35
src/gfx/main.cpp
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@@ -27,6 +27,7 @@
#include "version.h"
#include "gfx/process.hpp"
#include "gfx/reverse.hpp"
using namespace std::literals::string_view_literals;
@@ -83,7 +84,7 @@ void Options::verbosePrint(uint8_t level, char const *fmt, ...) const {
}
// Short options
static char const *optstring = "-Aa:b:Cc:Dd:FfhL:mN:n:o:Pp:s:Tt:U:uVvx:Z";
static char const *optstring = "-Aa:b:Cc:Dd:FfhL:mN:n:o:Pp:r:s:Tt:U:uVvx:Z";
/*
* Equivalent long options
@@ -113,6 +114,7 @@ static struct option const longopts[] = {
{"output", required_argument, NULL, 'o'},
{"output-palette", no_argument, NULL, 'P'},
{"palette", required_argument, NULL, 'p'},
{"reverse", required_argument, NULL, 'r'},
{"output-tilemap", no_argument, NULL, 'T'},
{"tilemap", required_argument, NULL, 't'},
{"unit-size", required_argument, NULL, 'U'},
@@ -125,7 +127,7 @@ static struct option const longopts[] = {
};
static void printUsage(void) {
fputs("Usage: rgbgfx [-CfmuVZ] [-v [-v ...]] [-a <attr_map> | -A] [-b base_ids]\n"
fputs("Usage: rgbgfx [-r] [-CfmuVZ] [-v [-v ...]] [-a <attr_map> | -A] [-b base_ids]\n"
" [-c color_spec] [-d <depth>] [-L slice] [-N nb_tiles] [-n nb_pals]\n"
" [-o <out_file>] [-p <pal_file> | -P] [-s nb_colors] [-t <tile_map> | -T]\n"
" [-U unit_size] [-x <tiles>] <file>\n"
@@ -430,6 +432,14 @@ static char *parseArgv(int argc, char **argv, bool &autoAttrmap, bool &autoTilem
break;
case 'n':
options.nbPalettes = parseNumber(arg, "Number of palettes", 8);
if (*arg != '\0') {
error("Number of palettes (-n) must be a valid number, not \"%s\"", musl_optarg);
}
if (options.nbPalettes > 8) {
error("Number of palettes (-n) must not exceed 8!");
} else if (options.nbPalettes == 0) {
error("Number of palettes (-n) may not be 0!");
}
break;
case 'o':
options.output = musl_optarg;
@@ -441,15 +451,24 @@ static char *parseArgv(int argc, char **argv, bool &autoAttrmap, bool &autoTilem
autoPalettes = false;
options.palettes = musl_optarg;
break;
case 'r':
options.reversedWidth = parseNumber(arg, "Reversed image stride");
if (*arg != '\0') {
error("Reversed image stride (-r) must be a valid number, not \"%s\"", musl_optarg);
}
if (options.reversedWidth == 0) {
error("Reversed image stride (-r) may not be 0!");
}
break;
case 's':
options.nbColorsPerPal = parseNumber(arg, "Number of colors per palette", 4);
if (*arg != '\0') {
error("Palette size (-s) argument must be a valid number, not \"%s\"", musl_optarg);
error("Palette size (-s) must be a valid number, not \"%s\"", musl_optarg);
}
if (options.nbColorsPerPal > 4) {
error("Palette size (-s) argument must not exceed 4!");
error("Palette size (-s) must not exceed 4!");
} else if (options.nbColorsPerPal == 0) {
error("Palette size (-s) argument may not be 0!");
error("Palette size (-s) may not be 0!");
}
break;
case 'T':
@@ -678,7 +697,11 @@ int main(int argc, char *argv[]) {
return 0;
}
process();
if (options.reverse()) {
reverse();
} else {
process();
}
return 0;
}