Function ResolveFilenameForCapture

src/openrct2/interface/Screenshot.cpp:598–630

}

static std::string ResolveFilenameForCapture(const fs::path& filename)
{
    if (filename.empty())
    {
        // Automatic filename
        auto path = ScreenshotGetNextPath();
        if (!path)
        {
            throw std::runtime_error("Unable to generate a filename for capture.");
        }
        return *path;
    }

    auto screenshotDirectory = fs::u8path(ScreenshotGetDirectory());
    auto screenshotPath = fs::absolute(screenshotDirectory / filename);

    // Check the filename isn't attempting to leave the screenshot directory for security
    if (!IsPathChildOf(screenshotPath, screenshotDirectory))
    {
        throw std::runtime_error("Filename is not a child of the screenshot directory.");
    }

    auto directory = screenshotPath.parent_path();
    if (!fs::is_directory(directory))
    {
        if (!fs::create_directory(directory, screenshotDirectory))
        {
            throw std::runtime_error("Unable to create directory.");
        }
    }

    return screenshotPath.u8string();
}

void CaptureImage(const CaptureOptions& options)
{