NAME

error - ImageMagick Error Methods


SYNOPSIS

CatchImageException( Image *image );

void DestroyExceptionInfo( ExceptionInfo *exception );

GetExceptionInfo( ExceptionInfo *exception );

void GetImageException( Image *image, ExceptionInfo *exception );

void MagickError( const ExceptionType error, const char *reason, const char *description );

void MagickWarning( const ExceptionType warning, const char *reason, const char *description );

ErrorHandler SetErrorHandler( ErrorHandler handler );

ErrorHandler SetWarningHandler( ErrorHandler handler );

void ThrowException( ExceptionInfo *exception, const ExceptionType severity, const char *reason, const char *description );


FUNCTION DESCRIPTIONS

CatchImageException

CatchImageException() returns if no exceptions are found in the image sequence, otherwise it determines the most severe exception and reports it as a warning or error depending on the severity.

The format of the CatchImageException method is:

CatchImageException ( Image *image );

A description of each parameter follows:

image:
An image sequence.

DestroyExceptionInfo

DestroyExceptionInfo() deallocates memory associated with exception.

The format of the DestroyExceptionInfo method is:

void DestroyExceptionInfo ( ExceptionInfo *exception );

A description of each parameter follows:

exception:
The exception info.

GetExceptionInfo

GetExceptionInfo() initializes exception to default values.

The format of the GetExceptionInfo method is:

GetExceptionInfo ( ExceptionInfo *exception );

A description of each parameter follows:

exception:
The exception info

GetImageException

GetImageException() traverses an image sequence and returns any error more severe than noted by the exception parameter.

The format of the GetImageException method is:

void GetImageException ( Image *image, ExceptionInfo *exception );

A description of each parameter follows:

image:
Specifies a pointer to a list of one or more images.

exception:
return the highest severity exception.

MagickError

Method MagickError calls the error handler methods with an error reason.

The format of the MagickError method is:

void MagickError ( const ExceptionType error, const char *reason, const char *description );

A description of each parameter follows:

exception:
Specifies the numeric error category.

reason:
Specifies the reason to display before terminating the program.

description:
Specifies any description to the reason.

MagickWarning

Method MagickWarning calls the warning handler methods with a warning reason.

The format of the MagickWarning method is:

void MagickWarning ( const ExceptionType warning, const char *reason, const char *description );

A description of each parameter follows:

warning:
The warning severity.

reason:
Define the reason for the warning.

description:
Describe the warning.

SetErrorHandler

SetErrorHandler() sets the error handler to the specified method and returns the previous error handler.

The format of the SetErrorHandler method is:

ErrorHandler SetErrorHandler ( ErrorHandler handler );

A description of each parameter follows:

handler:
The method to handle errors.

SetWarningHandler

SetWarningHandler() sets the warning handler to the specified method and returns the previous warning handler.

The format of the SetWarningHandler method is:

ErrorHandler SetWarningHandler ( ErrorHandler handler );

A description of each parameter follows:

handler:
The method to handle warnings.

ThrowException

ThrowException() throws an exception with the specified severity code, reason, and optional description.

The format of the ThrowException method is:

void ThrowException ( ExceptionInfo *exception, const ExceptionType severity, const char *reason, const char *description );

A description of each parameter follows:

exception:
The exception.

severity:
Define the severity of the exception.

reason:
Define the reason of the exception.

description:
Describe the exception.