magick - Methods to Read or List ImageMagick Image formats
magick_info=GetMagickInfo(tag)
ListMagickInfo(file)
Method GetMagickInfo returns a pointer MagickInfo structure that matches the specified tag. If tag is NULL, the head of the image format list is returned.
The format of the GetMagickInfo routine is:
magick_info=GetMagickInfo(tag)
A description of each parameter follows:
Method GetMagickInfo returns a pointer MagickInfo structure that matches the specified tag.
a character string that represents the image format we are looking for.
Method ListMagickInfo lists the image formats to a.
The format of the ListMagickInfo routine is:
ListMagickInfo(file)
A description of each parameter follows.
o: An pointer to a FILE.
Method RegisterMagickInfo adds attributes for a particular image format to the list of supported formats. The attributes include the image format tag, a method to read and/or write the format, whether the format supports the saving of more than one frame to the same file or blob, whether the format supports native in-memory I/O, and a brief description of the format.
The format of the RegisterMagickInfo routine is:
magick_info=RegisterMagickInfo(tag,decoder,encoder,magick,adjoin,
blob_support,description))
A description of each parameter follows:
Method RegisterMagickInfo returns a pointer MagickInfo structure that contains the specified tag info.
a character string that represents the image format we are looking for.
a method that is used to read the image format.
a method that is used to write the image format.
this method returns True if the image format signature matches a subset of the first few bytes of the file or blob.
a value greater than 0 means the image format can save more than one frame to the file or blob.
a value greater than 0 means the format supports native in-memory I/O.
a character string that describes the image format.