CompositeImageCommand
CompositeImageCommand() reads one or more images and an optional mask and composites them into a new image.
The format of the CompositeImageCommand method is:
MagickBooleanType CompositeImageCommand(ImageInfo *image_info,int argc, char **argv,char **metadata,ExceptionInfo *exception)
A description of each parameter follows:
- image_info
 - the image info.
 - argc
 - the number of elements in the argument vector.
 - argv
 - A text array containing the command line arguments.
 - metadata
 - any metadata is returned here.
 - exception
 - return any errors or warnings in this structure.