diff options
Diffstat (limited to 'src/libcamera/utils.cpp')
| -rw-r--r-- | src/libcamera/utils.cpp | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/src/libcamera/utils.cpp b/src/libcamera/utils.cpp index 928db254..d632f6e6 100644 --- a/src/libcamera/utils.cpp +++ b/src/libcamera/utils.cpp @@ -143,6 +143,45 @@ std::string time_point_to_string(const time_point &time) return ossTimestamp.str(); } +std::basic_ostream<char, std::char_traits<char>> & +operator<<(std::basic_ostream<char, std::char_traits<char>> &stream, const _hex &h) +{ + stream << "0x"; + + std::ostream::fmtflags flags = stream.setf(std::ios_base::hex, + std::ios_base::basefield); + std::streamsize width = stream.width(h.w); + char fill = stream.fill('0'); + + stream << h.v; + + stream.flags(flags); + stream.width(width); + stream.fill(fill); + + return stream; +} + +/** + * \fn hex(T value, unsigned int width) + * \brief Write an hexadecimal value to an output string + * \param value The value + * \param width The width + * + * Return an object of unspecified type such that, if \a os is the name of an + * output stream of type std::ostream, and T is an integer type, then the + * expression + * + * \code{.cpp} + * os << utils::hex(value) + * \endcode + * + * will output the \a value to the stream in hexadecimal form with the base + * prefix and the filling character set to '0'. The field width is set to \a + * width if specified to a non-zero value, or to the native width of type T + * otherwise. The \a os stream configuration is not modified. + */ + } /* namespace utils */ } /* namespace libcamera */ |