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| std::string | jevois::fccstr (unsigned int fcc) |
| | Convert a V4L2 four-cc code (V4L2_PIX_FMT_...) to a 4-char string.
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| std::string | jevois::cvtypestr (unsigned int cvtype) |
| | Convert cv::Mat::type() code to to a string (e.g., CV_8UC1, CV_32SC3, etc)
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| unsigned int | jevois::cvBytesPerPix (unsigned int cvtype) |
| | Return the number of bytes per pixel for a given OpenCV pixel type.
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| unsigned int | jevois::strfcc (std::string const &str) |
| | Convert a JeVois video format string to V4L2 four-cc code (V4L2_PIX_FMT_...)
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| unsigned int | jevois::v4l2BytesPerPix (unsigned int fcc) |
| | Return the number of bytes per pixel for a given V4L2_PIX_FMT_...
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| unsigned int | jevois::v4l2ImageSize (unsigned int fcc, unsigned int width, unsigned int height) |
| | Return the image size in bytes for a given V4L2_PIX_FMT_..., width, height.
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| unsigned int | jevois::blackColor (unsigned int fcc) |
| | Return a value that corresponds to black for the given video format.
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| unsigned int | jevois::whiteColor (unsigned int fcc) |
| | Return a value that corresponds to white for the given video format.
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| void | jevois::applyLetterBox (unsigned int &imw, unsigned int &imh, unsigned int const winw, unsigned int const winh, bool noalias) |
| | Apply a letterbox resizing to fit an image into a window.
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| std::vector< std::string > | jevois::split (std::string const &input, std::string const ®ex="\\s+") |
| | Split string into vector of tokens using a regex to specify what to split on; default regex splits by whitespace.
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| template<typename T > |
| std::string | jevois::join (std::vector< T > const &tokens, std::string const &delimiter) |
| | Concatenate a vector of tokens into a string.
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| template<> |
| std::string | jevois::join< std::string > (std::vector< std::string > const &tokens, std::string const &delimiter) |
| | Concatenate a vector of string tokens into a string.
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| bool | jevois::stringStartsWith (std::string const &str, std::string const &prefix) |
| | Return true if str starts with prefix (including if both strings are equal)
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| std::string | jevois::replaceWhitespace (std::string const &str, char rep='_') |
| | Replace white space characters in a string with underscore (default) or another character.
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| std::string | jevois::strip (std::string const &str) |
| | Strip white space (including CR, LF, tabs, etc) from the end of a string.
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| std::string | jevois::extractString (std::string const &str, std::string const &startsep, std::string const &endsep) |
| | Extract a portion of a string between two delimiters.
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| size_t | jevois::replaceStringFirst (std::string &str, std::string const &from, std::string const &to) |
| | Replace first instance of 'from' with 'to'.
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| size_t | jevois::replaceStringAll (std::string &str, std::string const &from, std::string const &to) |
| | Replace all instances of 'from' with 'to'.
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| std::string | jevois::replaceAll (std::string const &str, std::string const &from, std::string const &to) |
| | Replace all instances of 'from' with 'to'.
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| std::string | jevois::tolower (std::string const &str) |
| | Convert string to lowercase.
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| std::filesystem::path | jevois::absolutePath (std::filesystem::path const &root, std::filesystem::path const &path) |
| | Compute an absolute path from two paths.
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| std::string | jevois::sformat (char const *fmt,...) __attribute__((format(__printf__ |
| | Create a string using printf style arguments.
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| template<typename T > |
| std::string T | jevois::from_string (std::string const &str) |
| | Convert from string to a type.
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| template<typename T > |
| std::string | jevois::to_string (T const &val) |
| | Convert from type to string.
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| template<typename dest_type , typename source_type > |
| dest_type | jevois::clamped_convert (source_type source) |
| | Clamped numerical conversion.
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| void | jevois::flushcache () |
| | Flush the caches, may sometimes be useful when running the camera in turbo mode.
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| std::string | jevois::system (std::string const &cmd, bool errtoo=true) |
| | Execute a command and grab stdout output to a string.
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| std::string | jevois::secs2str (double secs) |
| | Report a duration given in seconds with variable units (ns, us, ms, or s), with precision of 2 decimal points.
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| std::string | jevois::secs2str (std::vector< double > secs) |
| | Report avg+/-std duration given in seconds with variable units (ns, us, ms, or s), with 1 decimal point.
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| void | jevois::secs2str (std::ostringstream &ss, double secs) |
| | Report a duration given in seconds with variable units (ns, us, ms, or s)
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| std::string | jevois::num2str (double n) |
| | Report a number with variable multipliers (K, M, G, T, P, E, Z, Y), with precision of 2 decimal points.
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| void | jevois::num2str (std::ostringstream &ss, double n) |
| | Report a number with variable multipliers (K, M, G, T, P, E, Z, Y)
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| std::string | jevois::getFileString (char const *fname, int skip=0) |
| | Read one line from a file and return it as a string.
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1.9.8