Method saveToFile

src/SFML/Graphics/Image.cpp:424–497

///////////////////////////////////////////////////////

////////////////////////////////////////////////////////////
bool Image::saveToFile(const std::filesystem::path& filename) const
{
    // Make sure the image is not empty
    if (!m_pixels.empty() && m_size.x > 0 && m_size.y > 0)
    {
        // Deduce the image type from its extension

        // Extract the extension
        const std::filesystem::path extension     = filename.extension();
        const Vector2i              convertedSize = Vector2i(m_size);

        // Callback to write to std::ofstream
        auto writeStdOfstream = [](void* context, void* data, int size)
        {
            auto& file = *static_cast<std::ofstream*>(context);
            if (file)
                file.write(static_cast<const char*>(data), static_cast<std::streamsize>(size));
        };

        if (extension == ".bmp")
        {
            // BMP format
            std::ofstream file(filename, std::ios::binary);
            if (stbi_write_bmp_to_func(writeStdOfstream, &file, convertedSize.x, convertedSize.y, 4, m_pixels.data()) && file)
                return true;
        }
        else if (extension == ".tga")
        {
            // TGA format
            std::ofstream file(filename, std::ios::binary);
            if (stbi_write_tga_to_func(writeStdOfstream, &file, convertedSize.x, convertedSize.y, 4, m_pixels.data()) && file)
                return true;
        }
        else if (extension == ".png")
        {
            // PNG format
            std::ofstream file(filename, std::ios::binary);
            if (stbi_write_png_to_func(writeStdOfstream, &file, convertedSize.x, convertedSize.y, 4, m_pixels.data(), 0) &&
                file)
                return true;
        }
        else if (extension == ".jpg" || extension == ".jpeg")
        {
            // JPG format
            std::ofstream file(filename, std::ios::binary);
            if (stbi_write_jpg_to_func(writeStdOfstream, &file, convertedSize.x, convertedSize.y, 4, m_pixels.data(), 90) &&
                file)
                return true;
        }
        else if (extension == ".qoi")
        {
            qoi_desc desc;
            desc.width      = m_size.x;
            desc.height     = m_size.y;
            desc.channels   = 4;
            desc.colorspace = QOI_LINEAR;

            int bufferLen = 0;