stream - Low-level image pixel FIFO (tap into encode/decode pixel stream)
Image * ReadStream( const ImageInfo *image_info, StreamHandler stream, ExceptionInfo *exception );
unsigned int WriteStream( const ImageInfo *image_info, Image *, StreamHandler stream );
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:
The image info.
a callback method.
Return any errors or warnings in this structure.
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:
unsigned int WriteStream ( const ImageInfo *image_info, Image *, StreamHandler stream );
A description of each parameter follows:
The image info.
A callback method.