jasc_pal_saver.cpp

Go to the documentation of this file.

#include "porytiles2/infra/services/jasc_pal_saver.hpp"
 
#include <fstream>
 
#include "fmt/format.h"
 
#include "porytiles2/xcut/result/chainable_result.hpp"
 
namespace porytiles2 {
 
ChainableResult<void> JascPalSaver::save(const Palette<Rgba32> &pal, const std::filesystem::path &path) const
{
    // Open in binary so "\r\n" are explicitly written as CRLF on all platforms
    std::ofstream stream{path, std::ios::binary};
    if (!stream.is_open()) {
        return FormattableError{fmt::format("{}: failed to open for writing", path.string())};
    }
 
    stream << "JASC-PAL\r\n";
    stream << "0100\r\n";
    stream << pal.size() << "\r\n";
 
    for (const auto &color : pal.colors()) {
        stream << color.to_jasc_str() << "\r\n";
    }
 
    if (stream.fail()) {
        return FormattableError{fmt::format("{}: failed to write", path.string())};
    }
 
    return {};
}
 
} // namespace porytiles2