IsMagickInstantiated() returns MagickTrue if the ImageMagick environment is currently instantiated: MagickCoreGenesis() has been called but MagickDestroy() has not.

The format of the IsMagickInstantiated method is:

  MagickBooleanType IsMagickInstantiated(void)

MagickCoreGenesis() initializes the MagickCore environment.

The format of the MagickCoreGenesis function is:

  MagickCoreGenesis(const char *path,
    const MagickBooleanType establish_signal_handlers)

A description of each parameter follows:

path

the execution path of the current ImageMagick client.

establish_signal_handlers

set to MagickTrue to use MagickCore's own signal handlers for common signals.

MagickCoreTerminus() destroys the MagickCore environment.

The format of the MagickCoreTerminus function is:

  MagickCoreTerminus(void)