Function setupImageScan

apps/tools/Tools/commands/ImageCommand.cpp:422–477

}

static void setupImageScan(CLI::App& image)
{
    auto* cmd = image.add_subcommand("scan", "Scan a directory of textures for a black+white frame/border pattern");
    static std::string dir;
    static int top = 25;
    cmd->add_option("dir", dir, "Directory of textures (recursive; .paa/.pac)")
        ->required()
        ->check(CLI::ExistingDirectory);
    cmd->add_option("--top", top, "Show this many top matches (default 25)");
    cmd->callback(
        []()
        {
            namespace fs = std::filesystem;
            struct Hit
            {
                std::string path;
                int w, h;
                double score, rb, rw;
            };
            std::vector<Hit> hits;
            int scanned = 0;
            for (const auto& e : fs::recursive_directory_iterator(dir))
            {
                if (!e.is_regular_file())
                    continue;
                std::string ext = e.path().extension().string();
                for (auto& c : ext)
                    c = (char)tolower((unsigned char)c);
                if (ext != ".paa" && ext != ".pac")
                    continue;
                Poseidon::DecodedImage img = Poseidon::DecodePAAFile(e.path().string());
                if (!img.valid())
                    continue;
                scanned++;
                auto [score, rb, rw] = FrameBorderScore(img);
                if (score > 0.02)
                    hits.push_back({e.path().string(), img.width, img.height, score, rb, rw});
            }
            std::sort(hits.begin(), hits.end(), [](const Hit& a, const Hit& b) { return a.score > b.score; });
            std::cout << "Scanned " << scanned << " textures; " << hits.size() << " with a black+white border.\n\n";
            std::cout << std::left << std::setw(10) << "score" << std::setw(8) << "black" << std::setw(8) << "white"
                      << std::setw(11) << "size" << "texture\n";
            std::cout << std::string(90, '-') << "\n";
            int n = 0;
            for (const auto& hit : hits)
            {
                if (n++ >= top)
                    break;
                char sz[24];
                std::snprintf(sz, sizeof(sz), "%dx%d", hit.w, hit.h);
                std::cout << std::left << std::fixed << std::setprecision(3) << std::setw(10) << hit.score
                          << std::setw(8) << hit.rb << std::setw(8) << hit.rw << std::setw(11) << sz << hit.path
                          << "\n";
            }
        });
}

void ImageCommand::Setup(CLI::App& app)