Function CommandLineForScreenshot

src/openrct2/interface/Screenshot.cpp:441–581

}

int32_t CommandLineForScreenshot(const char** argv, int32_t argc, ScreenshotOptions* options)
{
    // Don't include options in the count (they have been handled by CommandLine::ParseOptions already)
    for (int32_t i = 0; i < argc; i++)
    {
        if (argv[i][0] == '-')
        {
            // Setting argc to i works, because options can only be at the end of the command
            argc = i;
            break;
        }
    }

    bool giantScreenshot = (argc == 5) && String::iequals(argv[2], "giant");
    if (argc != 4 && argc != 8 && argc != 9 && !giantScreenshot)
    {
        std::printf("Usage: openrct2 screenshot <file> <output_image> <width> <height> [<x> <y> [<z>] <zoom> <rotation>]\n");
        std::printf("Usage: openrct2 screenshot <file> <output_image> giant <zoom> <rotation>\n");
        return -1;
    }

    int32_t exitCode = 1;
    RenderTarget rt;
    try
    {
        bool customLocation = false;
        bool centreMapX = false;
        bool centreMapY = false;

        const char* inputPath = argv[0];
        const char* outputPath = argv[1];

        gOpenRCT2Headless = true;
        auto context = CreateContext();
        if (!context->Initialise())
        {
            throw std::runtime_error("Failed to initialize context.");
        }

        DrawingEngineInit();

        if (!context->LoadParkFromFile(inputPath))
        {
            throw std::runtime_error("Failed to load park.");
        }

        gLegacyScene = LegacyScene::playing;

        Viewport viewport{};
        if (giantScreenshot)
        {
            auto customZoom = static_cast<int8_t>(std::atoi(argv[3]));
            auto zoom = ZoomLevel{ customZoom };
            auto rotation = std::atoi(argv[4]) & 3;
            viewport = GetGiantViewport(rotation, zoom);
        }
        else
        {