C++ (Cpp) mapnik::save_to_string示例

PyObject* tostring3(image_32 const & im, std::string const& format, mapnik::rgba_palette const& pal)
{
    std::string s = save_to_string(im, format, pal);
    return
#if PY_VERSION_HEX >= 0x03000000 
        ::PyBytes_FromStringAndSize
#else
        ::PyString_FromStringAndSize
#endif
    (s.data(),s.size());
}

示例#2

显示文件

文件： mapnik_image.cpp 项目： ParveenArora/mapnik

// encode (png,jpeg)
PyObject* tostring2(image_32 const & im, std::string const& format)
{
    std::string s = save_to_string(im, format);
    return
#if PY_VERSION_HEX >= 0x03000000 
        ::PyBytes_FromStringAndSize
#else
        ::PyString_FromStringAndSize
#endif
    (s.data(),s.size());
}