Rgb2Hires/Rgb2Hires_PC/src/App_Tile.cpp

128 lines
3.2 KiB
C++

/* Rgb2Hires
* Copyright (C) 2020 Christophe Meneboeuf <christophe@xtof.info>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <exception>
#include <iostream>
#include <fstream>
#include <string>
#include <sys/stat.h>
#include <SDL2/SDL_image.h>
#include <tclap/CmdLine.h>
#include "ImageQuantized.h"
#include "Tile.h"
using namespace std;
using namespace RgbToHires;
/// @brief Returns true if a file exists
inline bool exists(const std::string& path)
{
struct stat buffer;
return (stat(path.c_str(), &buffer) == 0);
}
void ExitOnError(const std::string& message,
std::vector<SDL_Surface*> surfaces = {})
{
std::cout << "Error\n" << message << '\n';
for (auto surface : surfaces)
{
SDL_FreeSurface(surface);
}
SDL_Quit();
IMG_Quit();
exit(-1);
}
/// @brief Program entry point
int main( int argc, char *argv[] )
{
//Parsing command line
TCLAP::CmdLine cmd("Tile - by Christophe Meneboeuf <christophe@xtof.info>", ' ', "0");
TCLAP::ValueArg<string> imagePath("i", "image", "Source image path", true, "", "string");
TCLAP::ValueArg<string> outputPath("o", "output", "Output path", true, "", "string");
TCLAP::ValueArg<unsigned> column("c", "column", "Column number in the tile sheet. Starts at 0.", true, 0u, "integer");
TCLAP::ValueArg<unsigned> line("l", "line", "Line number in the tile sheet. Starts at 0.", true, 0u, "integer");
cmd.add(imagePath);
cmd.add(outputPath);
cmd.add(column);
cmd.add(line);
cmd.parse(argc, argv);
if (imagePath.getValue().size() == 0 || outputPath.getValue().size() == 0) {
std::cout << "No input or output path provided." << std::endl;
return -1;
}
if (column.getValue() > 9) {
std::cout << "Column number shall be < 9" << std::endl;
return -1;
}
if (line.getValue() > 11) {
std::cout << "Line number shall be < 11" << std::endl;
return -1;
}
const auto filepath = imagePath.getValue();
if (!exists(filepath)) {
ExitOnError("Cannot read " + filepath);
}
std::vector<SDL_Surface*> surfaces;
try
{
SDL_Surface* surfaceRgb = IMG_Load(filepath.c_str());
surfaces.push_back(surfaceRgb);
if (surfaceRgb == nullptr)
{
ExitOnError("Cannot decode " + filepath, surfaces);
}
const ImageQuantized imageHiRes{ surfaceRgb };
const auto tileHiRes = imageHiRes.getTile(column.getValue(), line.getValue());
// Always output in asm
ofstream output(outputPath.getValue());
output << tileHiRes;
}
catch (const std::exception& e)
{
ExitOnError(e.what(), surfaces);
}
for (auto surface : surfaces)
{
SDL_FreeSurface(surface);
}
SDL_Quit();
IMG_Quit();
return 0;
}