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main.c
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main.c
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// Copyright (c) 2015 YamaArashi, 2021-2024 red031000
#include <ctype.h>
#include <stdio.h>
#include <string.h>
#include <stdbool.h>
#include "global.h"
#include "util.h"
#include "options.h"
#include "gfx.h"
#include "convert_png.h"
#include "jasc_pal.h"
#include "lz.h"
#include "rl.h"
#include "font.h"
#include "huff.h"
#include "json.h"
struct CommandHandler
{
const char *inputFileExtension;
const char *outputFileExtension;
void(*function)(char *inputPath, char *outputPath, int argc, char **argv);
};
void ConvertGbaToPng(char *inputPath, char *outputPath, struct GbaToPngOptions *options)
{
struct Image image;
if (options->paletteFilePath != NULL)
{
ReadGbaPalette(options->paletteFilePath, &image.palette);
image.hasPalette = true;
}
else
{
image.hasPalette = false;
}
ReadImage(inputPath, options->width, options->bitDepth, options->colsPerChunk, options->rowsPerChunk, &image, !image.hasPalette);
image.hasTransparency = options->hasTransparency;
WritePng(outputPath, &image);
FreeImage(&image);
}
void ConvertNtrToPng(char *inputPath, char *outputPath, struct NtrToPngOptions *options)
{
// handle empty files if possible
FILE *fp = fopen(inputPath, "rb");
if (options->handleEmpty)
{
if (fp != NULL)
{
fseek(fp, 0, SEEK_END);
uint32_t size = ftell(fp);
rewind(fp);
if (size == 0)
{
FILE *out = fopen(outputPath, "wb+");
fclose(out);
fclose(fp);
return;
}
}
}
fclose(fp);
struct Image image;
if (options->paletteFilePath != NULL)
{
ReadNtrPalette(options->paletteFilePath, &image.palette, options->bitDepth, options->palIndex);
image.hasPalette = true;
}
else
{
image.hasPalette = false;
}
uint32_t key = ReadNtrImage(inputPath, options->width, 0, options->colsPerChunk, options->rowsPerChunk, &image, !image.hasPalette, options->scanFrontToBack);
if (key)
{
char* string = malloc(strlen(outputPath) + 5);
sprintf(string, "%s.key", outputPath);
FILE *fp = fopen(string, "wb");
if (fp == NULL)
FATAL_ERROR("Failed to open key file for writing.\n");
fwrite(&key, 4, 1, fp);
fclose(fp);
free(string);
}
image.hasTransparency = options->hasTransparency;
WritePng(outputPath, &image);
FreeImage(&image);
}
void ConvertPngToGba(char *inputPath, char *outputPath, struct PngToGbaOptions *options)
{
struct Image image;
image.bitDepth = options->bitDepth;
ReadPng(inputPath, &image);
WriteImage(outputPath, options->numTiles, options->bitDepth, options->colsPerChunk, options->rowsPerChunk, &image, !image.hasPalette);
FreeImage(&image);
}
void ConvertPngToNtr(char *inputPath, char *outputPath, struct PngToNtrOptions *options)
{
// handle empty files if possible
FILE *fp = fopen(inputPath, "rb");
if (options->handleEmpty)
{
if (fp != NULL)
{
fseek(fp, 0, SEEK_END);
uint32_t size = ftell(fp);
rewind(fp);
if (size == 0)
{
FILE *out = fopen(outputPath, "wb+");
fclose(out);
fclose(fp);
return;
}
}
}
fclose(fp);
struct Image image;
image.bitDepth = options->bitDepth;
ReadPng(inputPath, &image);
uint32_t key = 0;
if (options->scanMode)
{
char* string = malloc(strlen(inputPath) + 5);
sprintf(string, "%s.key", inputPath);
FILE *fp2 = fopen(string, "rb");
if (fp2 == NULL)
FATAL_ERROR("Failed to open key file for reading.\n");
size_t count = fread(&key, 4, 1, fp2);
if (count != 1)
FATAL_ERROR("Not a valid key file.\n");
fclose(fp2);
free(string);
}
WriteNtrImage(outputPath, options->numTiles, image.bitDepth, options->colsPerChunk, options->rowsPerChunk,
&image, !image.hasPalette, options->clobberSize, options->byteOrder, options->version101,
options->sopc, options->vramTransfer, options->scanMode, options->mappingType, key, options->wrongSize);
FreeImage(&image);
}
void HandleGbaToPngCommand(char *inputPath, char *outputPath, int argc, char **argv)
{
char *inputFileExtension = GetFileExtension(inputPath);
struct GbaToPngOptions options;
options.paletteFilePath = NULL;
if (isdigit((unsigned char)inputFileExtension[0]))
options.bitDepth = inputFileExtension[0] - '0';
else
options.bitDepth = 4;
options.hasTransparency = false;
options.width = 1;
options.colsPerChunk = 1;
options.rowsPerChunk = 1;
for (int i = 3; i < argc; i++)
{
char *option = argv[i];
if (strcmp(option, "-palette") == 0)
{
if (i + 1 >= argc)
FATAL_ERROR("No palette file path following \"-palette\".\n");
i++;
options.paletteFilePath = argv[i];
}
else if (strcmp(option, "-object") == 0)
{
options.hasTransparency = true;
}
else if (strcmp(option, "-width") == 0)
{
if (i + 1 >= argc)
FATAL_ERROR("No width following \"-width\".\n");
i++;
if (!ParseNumber(argv[i], NULL, 10, &options.width))
FATAL_ERROR("Failed to parse width.\n");
if (options.width < 1)
FATAL_ERROR("Width must be positive.\n");
}
else if (strcmp(option, "-mwidth") == 0 || strcmp(option, "-cpc") == 0)
{
if (i + 1 >= argc)
FATAL_ERROR("No columns per chunk value following \"%s\".\n", option);
i++;
if (!ParseNumber(argv[i], NULL, 10, &options.colsPerChunk))
FATAL_ERROR("Failed to parse columns per chunk.\n");
if (options.colsPerChunk < 1)
FATAL_ERROR("columns per chunk must be positive.\n");
}
else if (strcmp(option, "-mheight") == 0 || strcmp(option, "-rpc") == 0)
{
if (i + 1 >= argc)
FATAL_ERROR("No rows per chunk value following \"%s\".\n", option);
i++;
if (!ParseNumber(argv[i], NULL, 10, &options.rowsPerChunk))
FATAL_ERROR("Failed to parse rows per chunk.\n");
if (options.rowsPerChunk < 1)
FATAL_ERROR("rows per chunk must be positive.\n");
}
else
{
FATAL_ERROR("Unrecognized option \"%s\".\n", option);
}
}
if (options.colsPerChunk > options.width)
options.width = options.colsPerChunk;
ConvertGbaToPng(inputPath, outputPath, &options);
}
void HandleNtrToPngCommand(char *inputPath, char *outputPath, int argc, char **argv)
{
struct NtrToPngOptions options;
options.paletteFilePath = NULL;
options.hasTransparency = false;
options.width = 0;
options.colsPerChunk = 1;
options.rowsPerChunk = 1;
options.palIndex = 1;
options.scanFrontToBack = false;
options.handleEmpty = false;
for (int i = 3; i < argc; i++)
{
char *option = argv[i];
if (strcmp(option, "-palette") == 0)
{
if (i + 1 >= argc)
FATAL_ERROR("No palette file path following \"-palette\".\n");
i++;
options.paletteFilePath = argv[i];
}
else if (strcmp(option, "-object") == 0)
{
options.hasTransparency = true;
}
else if (strcmp(option, "-palindex") == 0)
{
if (i + 1 >= argc)
FATAL_ERROR("No palette index following \"-palindex\".\n");
i++;
if (!ParseNumber(argv[i], NULL, 10, &options.palIndex))
FATAL_ERROR("Failed to parse palette index.\n");
if (options.palIndex < 1)
FATAL_ERROR("Palette index must be positive.\n");
}
else if (strcmp(option, "-width") == 0)
{
if (i + 1 >= argc)
FATAL_ERROR("No width following \"-width\".\n");
i++;
if (!ParseNumber(argv[i], NULL, 10, &options.width))
FATAL_ERROR("Failed to parse width.\n");
if (options.width < 1)
FATAL_ERROR("Width must be positive.\n");
}
else if (strcmp(option, "-mwidth") == 0 || strcmp(option, "-cpc") == 0)
{
if (i + 1 >= argc)
FATAL_ERROR("No columns per chunk value following \"%s\".\n", option);
i++;
if (!ParseNumber(argv[i], NULL, 10, &options.colsPerChunk))
FATAL_ERROR("Failed to parse columns per chunk.\n");
if (options.colsPerChunk < 1)
FATAL_ERROR("columns per chunk must be positive.\n");
}
else if (strcmp(option, "-mheight") == 0 || strcmp(option, "-rpc") == 0)
{
if (i + 1 >= argc)
FATAL_ERROR("No rows per chunk value following \"%s\".\n", option);
i++;
if (!ParseNumber(argv[i], NULL, 10, &options.rowsPerChunk))
FATAL_ERROR("Failed to parse rows per chunk.\n");
if (options.rowsPerChunk < 1)
FATAL_ERROR("rows per chunk must be positive.\n");
}
else if (strcmp(option, "-scanfronttoback") == 0)
{
options.scanFrontToBack = true;
}
else if (strcmp(option, "-handleempty") == 0)
{
options.handleEmpty = true;
}
else
{
FATAL_ERROR("Unrecognized option \"%s\".\n", option);
}
}
if (options.width != 0 && options.colsPerChunk > options.width)
options.width = options.colsPerChunk;
ConvertNtrToPng(inputPath, outputPath, &options);
}
void HandlePngToGbaCommand(char *inputPath, char *outputPath, int argc, char **argv)
{
char *outputFileExtension = GetFileExtension(outputPath);
int bitDepth;
if (strcmp(outputFileExtension, "nbfc") == 0)
bitDepth = 4;
else
bitDepth = outputFileExtension[0] - '0';
struct PngToGbaOptions options;
options.numTiles = 0;
options.bitDepth = bitDepth;
options.colsPerChunk = 1;
options.rowsPerChunk = 1;
for (int i = 3; i < argc; i++)
{
char *option = argv[i];
if (strcmp(option, "-num_tiles") == 0)
{
if (i + 1 >= argc)
FATAL_ERROR("No number of tiles following \"-num_tiles\".\n");
i++;
if (!ParseNumber(argv[i], NULL, 10, &options.numTiles))
FATAL_ERROR("Failed to parse number of tiles.\n");
if (options.numTiles < 1)
FATAL_ERROR("Number of tiles must be positive.\n");
}
else if (strcmp(option, "-mwidth") == 0 || strcmp(option, "-cpc") == 0)
{
if (i + 1 >= argc)
FATAL_ERROR("No columns per chunk value following \"%s\".\n", option);
i++;
if (!ParseNumber(argv[i], NULL, 10, &options.colsPerChunk))
FATAL_ERROR("Failed to parse columns per chunk.\n");
if (options.colsPerChunk < 1)
FATAL_ERROR("columns per chunk must be positive.\n");
}
else if (strcmp(option, "-mheight") == 0 || strcmp(option, "-rpc") == 0)
{
if (i + 1 >= argc)
FATAL_ERROR("No rows per chunk value following \"%s\".\n", option);
i++;
if (!ParseNumber(argv[i], NULL, 10, &options.rowsPerChunk))
FATAL_ERROR("Failed to parse rows per chunk.\n");
if (options.rowsPerChunk < 1)
FATAL_ERROR("rows per chunk must be positive.\n");
}
else
{
FATAL_ERROR("Unrecognized option \"%s\".\n", option);
}
}
ConvertPngToGba(inputPath, outputPath, &options);
}
void HandlePngToNtrCommand(char *inputPath, char *outputPath, int argc, char **argv)
{
struct PngToNtrOptions options;
options.numTiles = 0;
options.bitDepth = 4;
options.colsPerChunk = 1;
options.rowsPerChunk = 1;
options.wrongSize = false;
options.clobberSize = false;
options.byteOrder = true;
options.version101 = false;
options.sopc = false;
options.scanMode = 0;
options.handleEmpty = false;
options.vramTransfer = false;
options.mappingType = 0;
for (int i = 3; i < argc; i++)
{
char *option = argv[i];
if (strcmp(option, "-num_tiles") == 0)
{
if (i + 1 >= argc)
FATAL_ERROR("No number of tiles following \"-num_tiles\".\n");
i++;
if (!ParseNumber(argv[i], NULL, 10, &options.numTiles))
FATAL_ERROR("Failed to parse number of tiles.\n");
if (options.numTiles < 1)
FATAL_ERROR("Number of tiles must be positive.\n");
}
else if (strcmp(option, "-mwidth") == 0 || strcmp(option, "-cpc") == 0)
{
if (i + 1 >= argc)
FATAL_ERROR("No columns per chunk value following \"%s\".\n", option);
i++;
if (!ParseNumber(argv[i], NULL, 10, &options.colsPerChunk))
FATAL_ERROR("Failed to parse columns per chunk.\n");
if (options.colsPerChunk < 1)
FATAL_ERROR("columns per chunk must be positive.\n");
}
else if (strcmp(option, "-mheight") == 0 || strcmp(option, "-rpc") == 0) {
if (i + 1 >= argc)
FATAL_ERROR("No rows per chunk value following \"%s\".\n", option);
i++;
if (!ParseNumber(argv[i], NULL, 10, &options.rowsPerChunk))
FATAL_ERROR("Failed to parse rows per chunk.\n");
if (options.rowsPerChunk < 1)
FATAL_ERROR("rows per chunk must be positive.\n");
}
else if (strcmp(option, "-bitdepth") == 0)
{
if (i + 1 >= argc)
FATAL_ERROR("No bitdepth value following \"-bitdepth\".\n");
i++;
if (!ParseNumber(argv[i], NULL, 10, &options.bitDepth))
FATAL_ERROR("Failed to parse bitdepth.\n");
if (options.bitDepth != 4 && options.bitDepth != 8)
FATAL_ERROR("bitdepth must be either 4 or 8.\n");
}
else if (strcmp(option, "-clobbersize") == 0)
{
options.clobberSize = true;
}
else if (strcmp(option, "-nobyteorder") == 0)
{
options.byteOrder = false;
}
else if (strcmp(option, "-version101") == 0)
{
options.version101 = true;
}
else if (strcmp(option, "-sopc") == 0)
{
options.sopc = true;
}
else if (strcmp(option, "-scanned") == 0)
{
if (options.scanMode != 0)
FATAL_ERROR("Scan mode specified more than once.\n-scanned goes back to front as in DP, -scanfronttoback goes front to back as in PtHGSS\n");
options.scanMode = 1;
}
else if (strcmp(option, "-scanfronttoback") == 0)
{
if (options.scanMode != 0)
FATAL_ERROR("Scan mode specified more than once.\n-scanned goes back to front as in DP, -scanfronttoback goes front to back as in PtHGSS\n");
options.scanMode = 2;
}
else if (strcmp(option, "-wrongsize") == 0) {
options.wrongSize = true;
}
else if (strcmp(option, "-handleempty") == 0)
{
options.handleEmpty = true;
}
else if (strcmp(option, "-vram") == 0)
{
options.vramTransfer = true;
}
else if (strcmp(option, "-mappingtype") == 0) {
if (i + 1 >= argc)
FATAL_ERROR("No mapping type value following \"-mappingtype\".\n");
i++;
if (!ParseNumber(argv[i], NULL, 10, &options.mappingType))
FATAL_ERROR("Failed to parse mapping type.\n");
if (options.mappingType != 0 && options.mappingType != 32 && options.mappingType != 64 && options.mappingType != 128 && options.mappingType != 256)
FATAL_ERROR("bitdepth must be one of the following: 0, 32, 64, 128, or 256\n");
}
else
{
FATAL_ERROR("Unrecognized option \"%s\".\n", option);
}
}
ConvertPngToNtr(inputPath, outputPath, &options);
}
void HandlePngToGbaPaletteCommand(char *inputPath, char *outputPath, int argc UNUSED, char **argv UNUSED)
{
struct Palette palette;
ReadPngPalette(inputPath, &palette);
WriteGbaPalette(outputPath, &palette);
}
void HandlePngToNtrPaletteCommand(char *inputPath, char *outputPath, int argc, char **argv)
{
struct Palette palette;
bool ncpr = false;
bool ir = false;
bool nopad = false;
int bitdepth = 0;
int compNum = 0;
bool pcmp = false;
for (int i = 3; i < argc; i++)
{
char *option = argv[i];
if (strcmp(option, "-ncpr") == 0)
{
ncpr = true;
}
else if (strcmp(option, "-ir") == 0)
{
ir = true;
}
else if (strcmp(option, "-nopad") == 0)
{
nopad = true;
}
else if (strcmp(option, "-bitdepth") == 0)
{
if (i + 1 >= argc)
FATAL_ERROR("No bitdepth following \"-bitdepth\".\n");
i++;
if (!ParseNumber(argv[i], NULL, 10, &bitdepth))
FATAL_ERROR("Failed to parse bitdepth.\n");
if (bitdepth != 4 && bitdepth != 8)
FATAL_ERROR("Bitdepth must be 4 or 8.\n");
}
else if (strcmp(option, "-comp") == 0)
{
if (i + 1 >= argc)
FATAL_ERROR("No compression value following \"-comp\".\n");
i++;
if (!ParseNumber(argv[i], NULL, 10, &compNum))
FATAL_ERROR("Failed to parse compression value.\n");
if (compNum > 255)
FATAL_ERROR("Compression value must be 255 or below.\n");
}
else if (strcmp(option, "-pcmp") == 0)
{
pcmp = true;
}
else
{
FATAL_ERROR("Unrecognized option \"%s\".\n", option);
}
}
ReadPngPalette(inputPath, &palette);
WriteNtrPalette(outputPath, &palette, ncpr, ir, bitdepth, !nopad, compNum, pcmp);
}
void HandleGbaToJascPaletteCommand(char *inputPath, char *outputPath, int argc UNUSED, char **argv UNUSED)
{
struct Palette palette;
ReadGbaPalette(inputPath, &palette);
WriteJascPalette(outputPath, &palette);
}
void HandleNtrToJascPaletteCommand(char *inputPath, char *outputPath, int argc, char **argv)
{
struct Palette palette;
int bitdepth = 0;
for (int i = 3; i < argc; i++)
{
char *option = argv[i];
if (strcmp(option, "-bitdepth") == 0)
{
if (i + 1 >= argc)
FATAL_ERROR("No bitdepth following \"-bitdepth\".\n");
i++;
if (!ParseNumber(argv[i], NULL, 10, &bitdepth))
FATAL_ERROR("Failed to parse bitdepth.\n");
if (bitdepth != 4 && bitdepth != 8)
FATAL_ERROR("Bitdepth must be 4 or 8.\n");
}
else
{
FATAL_ERROR("Unrecognized option \"%s\".\n", option);
}
}
ReadNtrPalette(inputPath, &palette, bitdepth, 0);
WriteJascPalette(outputPath, &palette);
}
void HandleJascToGbaPaletteCommand(char *inputPath, char *outputPath, int argc, char **argv)
{
int numColors = 0;
for (int i = 3; i < argc; i++)
{
char *option = argv[i];
if (strcmp(option, "-num_colors") == 0)
{
if (i + 1 >= argc)
FATAL_ERROR("No number of colors following \"-num_colors\".\n");
i++;
if (!ParseNumber(argv[i], NULL, 10, &numColors))
FATAL_ERROR("Failed to parse number of colors.\n");
if (numColors < 1)
FATAL_ERROR("Number of colors must be positive.\n");
}
else
{
FATAL_ERROR("Unrecognized option \"%s\".\n", option);
}
}
struct Palette palette;
ReadJascPalette(inputPath, &palette);
if (numColors != 0)
palette.numColors = numColors;
WriteGbaPalette(outputPath, &palette);
}
void HandleJascToNtrPaletteCommand(char *inputPath, char *outputPath, int argc, char **argv)
{
int numColors = 0;
bool ncpr = false;
bool ir = false;
bool nopad = false;
int bitdepth = 0;
int compNum = 0;
bool pcmp = false;
for (int i = 3; i < argc; i++)
{
char *option = argv[i];
if (strcmp(option, "-num_colors") == 0)
{
if (i + 1 >= argc)
FATAL_ERROR("No number of colors following \"-num_colors\".\n");
i++;
if (!ParseNumber(argv[i], NULL, 10, &numColors))
FATAL_ERROR("Failed to parse number of colors.\n");
if (numColors < 1)
FATAL_ERROR("Number of colors must be positive.\n");
}
else if (strcmp(option, "-bitdepth") == 0)
{
if (i + 1 >= argc)
FATAL_ERROR("No bitdepth following \"-bitdepth\".\n");
i++;
if (!ParseNumber(argv[i], NULL, 10, &bitdepth))
FATAL_ERROR("Failed to parse bitdepth.\n");
if (bitdepth != 4 && bitdepth != 8)
FATAL_ERROR("Bitdepth must be 4 or 8.\n");
}
else if (strcmp(option, "-comp") == 0)
{
if (i + 1 >= argc)
FATAL_ERROR("No compression value following \"-comp\".\n");
i++;
if (!ParseNumber(argv[i], NULL, 10, &compNum))
FATAL_ERROR("Failed to parse compression value.\n");
if (compNum > 255)
FATAL_ERROR("Compression value must be 255 or below.\n");
}
else if (strcmp(option, "-ncpr") == 0)
{
ncpr = true;
}
else if (strcmp(option, "-ir") == 0)
{
ir = true;
}
else if (strcmp(option, "-nopad") == 0)
{
nopad = true;
}
else if (strcmp(option, "-pcmp") == 0)
{
pcmp = true;
}
else
{
FATAL_ERROR("Unrecognized option \"%s\".\n", option);
}
}
struct Palette palette;
ReadJascPalette(inputPath, &palette);
if (numColors != 0)
palette.numColors = numColors;
WriteNtrPalette(outputPath, &palette, ncpr, ir, bitdepth, !nopad, compNum, pcmp);
}
void HandleJsonToNtrCellCommand(char *inputPath, char *outputPath, int argc UNUSED, char **argv UNUSED)
{
struct JsonToCellOptions *options;
options = ParseNCERJson(inputPath);
WriteNtrCell(outputPath, options);
FreeNCERCell(options);
}
void HandleNtrCellToJsonCommand(char *inputPath, char *outputPath, int argc UNUSED, char **argv UNUSED)
{
struct JsonToCellOptions *options = malloc(sizeof(struct JsonToCellOptions));
ReadNtrCell(inputPath, options);
char *json = GetNCERJson(options);
WriteWholeStringToFile(outputPath, json);
FreeNCERCell(options);
}
void HandleJsonToNtrScreenCommand(char *inputPath, char *outputPath, int argc UNUSED, char **argv UNUSED)
{
struct JsonToScreenOptions *options;
options = ParseNSCRJson(inputPath);
int bitdepth = 4;
for (int i = 3; i < argc; i++)
{
char *option = argv[i];
if (strcmp(option, "-bitdepth") == 0)
{
if (i + 1 >= argc)
FATAL_ERROR("No bitdepth following \"-bitdepth\".\n");
i++;
if (!ParseNumber(argv[i], NULL, 10, &bitdepth))
FATAL_ERROR("Failed to parse bitdepth.\n");
if (bitdepth != 4 && bitdepth != 8)
FATAL_ERROR("Bitdepth must be 4 or 8.\n");
}
else
{
FATAL_ERROR("Unrecognized option \"%s\".\n", option);
}
}
options->bitdepth = bitdepth;
WriteNtrScreen(outputPath, options);
FreeNSCRScreen(options);
}
void HandleJsonToNtrAnimationCommand(char *inputPath, char *outputPath, int argc UNUSED, char **argv UNUSED)
{
struct JsonToAnimationOptions *options;
options = ParseNANRJson(inputPath);
options->multiCell = false;
WriteNtrAnimation(outputPath, options);
FreeNANRAnimation(options);
}
void HandleNtrAnimationToJsonCommand(char *inputPath, char *outputPath, int argc UNUSED, char **argv UNUSED)
{
struct JsonToAnimationOptions *options = malloc(sizeof(struct JsonToAnimationOptions));
ReadNtrAnimation(inputPath, options);
char *json = GetNANRJson(options);
WriteWholeStringToFile(outputPath, json);
FreeNANRAnimation(options);
}
void HandleJsonToNtrMulticellAnimationCommand(char *inputPath, char *outputPath, int argc UNUSED, char **argv UNUSED)
{
struct JsonToAnimationOptions *options;
options = ParseNANRJson(inputPath);
options->multiCell = true;
WriteNtrAnimation(outputPath, options);
FreeNANRAnimation(options);
}
void HandleLatinFontToPngCommand(char *inputPath, char *outputPath, int argc UNUSED, char **argv UNUSED)
{
struct Image image;
ReadLatinFont(inputPath, &image);
WritePng(outputPath, &image);
FreeImage(&image);
}
void HandlePngToLatinFontCommand(char *inputPath, char *outputPath, int argc UNUSED, char **argv UNUSED)
{
struct Image image;
image.bitDepth = 2;
ReadPng(inputPath, &image);
WriteLatinFont(outputPath, &image);
FreeImage(&image);
}
void HandleHalfwidthJapaneseFontToPngCommand(char *inputPath, char *outputPath, int argc UNUSED, char **argv UNUSED)
{
struct Image image;
ReadHalfwidthJapaneseFont(inputPath, &image);
WritePng(outputPath, &image);
FreeImage(&image);
}
void HandlePngToHalfwidthJapaneseFontCommand(char *inputPath, char *outputPath, int argc UNUSED, char **argv UNUSED)
{
struct Image image;
image.bitDepth = 2;
ReadPng(inputPath, &image);
WriteHalfwidthJapaneseFont(outputPath, &image);
FreeImage(&image);
}
void HandleFullwidthJapaneseFontToPngCommand(char *inputPath, char *outputPath, int argc UNUSED, char **argv UNUSED)
{
struct Image image;
ReadFullwidthJapaneseFont(inputPath, &image);
WritePng(outputPath, &image);
FreeImage(&image);
}
void HandlePngToFullwidthJapaneseFontCommand(char *inputPath, char *outputPath, int argc UNUSED, char **argv UNUSED)
{
struct Image image;
image.bitDepth = 2;
ReadPng(inputPath, &image);
WriteFullwidthJapaneseFont(outputPath, &image);
FreeImage(&image);
}
void HandleLZCompressCommand(char *inputPath, char *outputPath, int argc, char **argv)
{
int overflowSize = 0;
int minDistance = 2; // default, for compatibility with LZ77UnCompVram()
for (int i = 3; i < argc; i++)
{
char *option = argv[i];
if (strcmp(option, "-overflow") == 0)
{
if (i + 1 >= argc)
FATAL_ERROR("No size following \"-overflow\".\n");
i++;
if (!ParseNumber(argv[i], NULL, 10, &overflowSize))
FATAL_ERROR("Failed to parse overflow size.\n");
if (overflowSize < 1)
FATAL_ERROR("Overflow size must be positive.\n");
}
else if (strcmp(option, "-search") == 0)
{
if (i + 1 >= argc)
FATAL_ERROR("No size following \"-overflow\".\n");
i++;
if (!ParseNumber(argv[i], NULL, 10, &minDistance))
FATAL_ERROR("Failed to parse LZ min search distance.\n");
if (minDistance < 1)
FATAL_ERROR("LZ min search distance must be positive.\n");
}
else
{
FATAL_ERROR("Unrecognized option \"%s\".\n", option);
}
}
// The overflow option allows a quirk in some of Ruby/Sapphire's tilesets
// to be reproduced. It works by appending a number of zeros to the data
// before compressing it and then amending the LZ header's size field to
// reflect the expected size. This will cause an overflow when decompressing
// the data.