OpenCV  4.1.2
Open Source Computer Vision
Namespaces | Classes | Macros | Enumerations | Functions

Namespaces

 cv
 "black box" representation of the file storage associated with a file on disk.
 
 cv::utils
 
 cv::utils::logging
 
 cv::utils::logging::internal
 

Classes

struct  cv::utils::logging::LogTagAuto
 

Macros

#define CV_LOG_DEBUG(tag, ...)   CV_LOG_WITH_TAG(tag, cv::utils::logging::LOG_LEVEL_DEBUG, __VA_ARGS__)
 
#define CV_LOG_ERROR(tag, ...)   CV_LOG_WITH_TAG(tag, cv::utils::logging::LOG_LEVEL_ERROR, __VA_ARGS__)
 
#define CV_LOG_FATAL(tag, ...)   CV_LOG_WITH_TAG(tag, cv::utils::logging::LOG_LEVEL_FATAL, __VA_ARGS__)
 
#define CV_LOG_INFO(tag, ...)   CV_LOG_WITH_TAG(tag, cv::utils::logging::LOG_LEVEL_INFO, __VA_ARGS__)
 
#define CV_LOG_LEVEL_DEBUG   5
 Debug message. Disabled in the "Release" build. More...
 
#define CV_LOG_LEVEL_ERROR   2
 Error message. More...
 
#define CV_LOG_LEVEL_FATAL   1
 Fatal (critical) error (unrecoverable internal error) More...
 
#define CV_LOG_LEVEL_INFO   4
 Info message. More...
 
#define CV_LOG_LEVEL_SILENT   0
 for using in setLogLevel() call More...
 
#define CV_LOG_LEVEL_VERBOSE   6
 Verbose (trace) messages. Requires verbosity level. Disabled in the "Release" build. More...
 
#define CV_LOG_LEVEL_WARN   3
 Warning message. More...
 
#define CV_LOG_STRIP_LEVEL   CV_LOG_LEVEL_VERBOSE
 
#define CV_LOG_VERBOSE(tag, v, ...)   CV_LOG_WITH_TAG(tag, (cv::utils::logging::LOG_LEVEL_VERBOSE + (int)(v)), __VA_ARGS__)
 
#define CV_LOG_VERBOSE(tag, v, ...)
 
#define CV_LOG_WARNING(tag, ...)   CV_LOG_WITH_TAG(tag, cv::utils::logging::LOG_LEVEL_WARNING, __VA_ARGS__)
 
#define CV_LOG_WITH_TAG(tag, msgLevel, ...)
 
#define CV_LOGTAG_EXPAND_NAME(tag)   tag
 
#define CV_LOGTAG_FALLBACK   nullptr
 
#define CV_LOGTAG_GLOBAL   cv::utils::logging::internal::getGlobalLogTag()
 
#define CV_LOGTAG_PTR_CAST(expr)   static_cast<const cv::utils::logging::LogTag*>(expr)
 
#define CV_TRACE_ARG(arg_id)
 Macro to trace argument value. More...
 
#define CV_TRACE_ARG_VALUE(arg_id, arg_name, value)
 Macro to trace argument value (expanded version) More...
 
#define CV_TRACE_FUNCTION()
 Macro to trace function. More...
 
#define CV_TRACE_FUNCTION_SKIP_NESTED()
 
#define CV_TRACE_REGION(name_as_static_string_literal)
 
#define CV_TRACE_REGION_NEXT(name_as_static_string_literal)
 

Enumerations

enum  cv::utils::logging::LogLevel {
  cv::utils::logging::LOG_LEVEL_SILENT = 0,
  cv::utils::logging::LOG_LEVEL_FATAL = 1,
  cv::utils::logging::LOG_LEVEL_ERROR = 2,
  cv::utils::logging::LOG_LEVEL_WARNING = 3,
  cv::utils::logging::LOG_LEVEL_INFO = 4,
  cv::utils::logging::LOG_LEVEL_DEBUG = 5,
  cv::utils::logging::LOG_LEVEL_VERBOSE = 6
}
 Supported logging levels and their semantic. More...
 

Functions

LogLevel cv::utils::logging::getLogLevel ()
 
cv::utils::logging::LogLevel cv::utils::logging::getLogTagLevel (const char *tag)
 
void cv::utils::logging::registerLogTag (cv::utils::logging::LogTag *plogtag)
 
LogLevel cv::utils::logging::setLogLevel (LogLevel logLevel)
 
void cv::utils::logging::setLogTagLevel (const char *tag, cv::utils::logging::LogLevel level)
 

Detailed Description

Macro Definition Documentation

#define CV_LOG_DEBUG (   tag,
  ... 
)    CV_LOG_WITH_TAG(tag, cv::utils::logging::LOG_LEVEL_DEBUG, __VA_ARGS__)
#define CV_LOG_ERROR (   tag,
  ... 
)    CV_LOG_WITH_TAG(tag, cv::utils::logging::LOG_LEVEL_ERROR, __VA_ARGS__)
#define CV_LOG_FATAL (   tag,
  ... 
)    CV_LOG_WITH_TAG(tag, cv::utils::logging::LOG_LEVEL_FATAL, __VA_ARGS__)
#define CV_LOG_INFO (   tag,
  ... 
)    CV_LOG_WITH_TAG(tag, cv::utils::logging::LOG_LEVEL_INFO, __VA_ARGS__)
#define CV_LOG_LEVEL_DEBUG   5

#include <opencv2/core/utils/logger.defines.hpp>

Debug message. Disabled in the "Release" build.

#define CV_LOG_LEVEL_ERROR   2

#include <opencv2/core/utils/logger.defines.hpp>

Error message.

#define CV_LOG_LEVEL_FATAL   1

#include <opencv2/core/utils/logger.defines.hpp>

Fatal (critical) error (unrecoverable internal error)

#define CV_LOG_LEVEL_INFO   4

#include <opencv2/core/utils/logger.defines.hpp>

Info message.

#define CV_LOG_LEVEL_SILENT   0
#define CV_LOG_LEVEL_VERBOSE   6

#include <opencv2/core/utils/logger.defines.hpp>

Verbose (trace) messages. Requires verbosity level. Disabled in the "Release" build.

#define CV_LOG_LEVEL_WARN   3

#include <opencv2/core/utils/logger.defines.hpp>

Warning message.

#define CV_LOG_STRIP_LEVEL   CV_LOG_LEVEL_VERBOSE

#include <opencv2/core/utils/logger.hpp>

Define CV_LOG_STRIP_LEVEL=CV_LOG_LEVEL_[DEBUG|INFO|WARN|ERROR|FATAL|SILENT] to compile out anything at that and before that logging level

#define CV_LOG_VERBOSE (   tag,
  v,
  ... 
)    CV_LOG_WITH_TAG(tag, (cv::utils::logging::LOG_LEVEL_VERBOSE + (int)(v)), __VA_ARGS__)
#define CV_LOG_VERBOSE (   tag,
  v,
  ... 
)
#define CV_LOG_WARNING (   tag,
  ... 
)    CV_LOG_WITH_TAG(tag, cv::utils::logging::LOG_LEVEL_WARNING, __VA_ARGS__)
#define CV_LOG_WITH_TAG (   tag,
  msgLevel,
  ... 
)

#include <opencv2/core/utils/logger.hpp>

Value:
for(;;) { \
const auto cv_temp_msglevel = (cv::utils::logging::LogLevel)(msgLevel); \
if (cv_temp_msglevel >= (CV_LOG_STRIP_LEVEL)) break; \
auto cv_temp_logtagptr = CV_LOGTAG_PTR_CAST(CV_LOGTAG_EXPAND_NAME(tag)); \
if (!cv_temp_logtagptr) cv_temp_logtagptr = CV_LOGTAG_PTR_CAST(CV_LOGTAG_FALLBACK); \
if (!cv_temp_logtagptr) cv_temp_logtagptr = CV_LOGTAG_PTR_CAST(CV_LOGTAG_GLOBAL); \
if (cv_temp_logtagptr && (cv_temp_msglevel > cv_temp_logtagptr->level)) break; \
std::stringstream cv_temp_logstream; \
cv_temp_logstream << __VA_ARGS__; \
cv::utils::logging::internal::writeLogMessageEx( \
cv_temp_msglevel, \
(cv_temp_logtagptr ? cv_temp_logtagptr->name : nullptr), \
__FILE__, \
__LINE__, \
cv_temp_logstream.str().c_str()); \
break; \
}
STL namespace.
"black box" representation of the file storage associated with a file on disk.
Definition: affine.hpp:51
#define CV_LOGTAG_PTR_CAST(expr)
Definition: logger.hpp:71
#define CV_LOG_STRIP_LEVEL
Definition: logger.hpp:67
#define CV_LOGTAG_FALLBACK
Definition: logger.hpp:99
void writeLogMessageEx(LogLevel logLevel, const char *tag, const char *file, int line, const char *func, const char *message)
#define CV_LOGTAG_EXPAND_NAME(tag)
Definition: logger.hpp:93
LogLevel
Supported logging levels and their semantic.
Definition: logger.defines.hpp:25
#define CV_Func
Definition: cvdef.h:90
#define CV_LOGTAG_GLOBAL
Definition: logger.hpp:105
#define CV_LOGTAG_EXPAND_NAME (   tag)    tag
#define CV_LOGTAG_FALLBACK   nullptr
#define CV_LOGTAG_GLOBAL   cv::utils::logging::internal::getGlobalLogTag()
#define CV_LOGTAG_PTR_CAST (   expr)    static_cast<const cv::utils::logging::LogTag*>(expr)
#define CV_TRACE_ARG (   arg_id)

#include <opencv2/core/utils/trace.hpp>

Macro to trace argument value.

#define CV_TRACE_ARG_VALUE (   arg_id,
  arg_name,
  value 
)

#include <opencv2/core/utils/trace.hpp>

Macro to trace argument value (expanded version)

#define CV_TRACE_FUNCTION ( )

#include <opencv2/core/utils/trace.hpp>

Macro to trace function.

#define CV_TRACE_FUNCTION_SKIP_NESTED ( )
#define CV_TRACE_REGION (   name_as_static_string_literal)

#include <opencv2/core/utils/trace.hpp>

Trace code scope.

Note
Dynamic names are not supported in this macro (on stack or heap). Use string literals here only, like "initialize".
#define CV_TRACE_REGION_NEXT (   name_as_static_string_literal)

#include <opencv2/core/utils/trace.hpp>

mark completed of the current opened region and create new one

Note
Dynamic names are not supported in this macro (on stack or heap). Use string literals here only, like "step1".

Enumeration Type Documentation

#include <opencv2/core/utils/logger.defines.hpp>

Supported logging levels and their semantic.

Enumerator
LOG_LEVEL_SILENT 

for using in setLogVevel() call

LOG_LEVEL_FATAL 

Fatal (critical) error (unrecoverable internal error)

LOG_LEVEL_ERROR 

Error message.

LOG_LEVEL_WARNING 

Warning message.

LOG_LEVEL_INFO 

Info message.

LOG_LEVEL_DEBUG 

Debug message. Disabled in the "Release" build.

LOG_LEVEL_VERBOSE 

Verbose (trace) messages. Requires verbosity level. Disabled in the "Release" build.

Function Documentation

LogLevel cv::utils::logging::getLogLevel ( )

#include <opencv2/core/utils/logger.hpp>

Get global logging level

cv::utils::logging::LogLevel cv::utils::logging::getLogTagLevel ( const char *  tag)
void cv::utils::logging::registerLogTag ( cv::utils::logging::LogTag plogtag)
LogLevel cv::utils::logging::setLogLevel ( LogLevel  logLevel)

#include <opencv2/core/utils/logger.hpp>

Set global logging level

Returns
previous logging level
void cv::utils::logging::setLogTagLevel ( const char *  tag,
cv::utils::logging::LogLevel  level 
)