ReadStreamWriteStream

ReadStream

ReadStream() makes the image pixels available to a user supplied callback method immediately upon reading a scanline with the ReadImage() method.

The format of the ReadStream() method is:

Image *ReadStream(const ImageInfo *image_info,StreamHandler stream,
  ExceptionInfo *exception)

A description of each parameter follows:

image_info
the image info.
stream
a callback method.
exception
return any errors or warnings in this structure.

WriteStream

WriteStream() makes the image pixels available to a user supplied callback method immediately upon writing pixel data with the WriteImage() method.

The format of the WriteStream() method is:

MagickBooleanType WriteStream(const ImageInfo *image_info,Image *,
  StreamHandler stream,ExceptionInfo *exception)

A description of each parameter follows:

image_info
the image info.
stream
A callback method.
exception
return any errors or warnings in this structure.