    class
    	EV_PIXEL_BUFFER_ITERATOR

    General
    	cluster: interface
    	description: "Iterator for pixel values of EV_PIXEL_BUFFER"
    	create: make_for_pixel_buffer

    Ancestors
    	BILINEAR* [G]

    Queries
    	after: BOOLEAN
    	before: BOOLEAN
    	changeable_comparison_criterion: BOOLEAN
    	column: NATURAL_32
    	exhausted: BOOLEAN
    	for_all (test: FUNCTION [ANY, TUPLE [EV_PIXEL_BUFFER_PIXEL], BOOLEAN]): BOOLEAN
    	has (v: [like item] EV_PIXEL_BUFFER_PIXEL): BOOLEAN
    	index: INTEGER_32
    	index_of (v: [like item] EV_PIXEL_BUFFER_PIXEL; i: INTEGER_32): INTEGER_32
    	is_empty: BOOLEAN
    	item: EV_PIXEL_BUFFER_PIXEL
    	linear_representation: LINEAR [EV_PIXEL_BUFFER_PIXEL]
    	max_column_value: NATURAL_32
    	max_row_value: NATURAL_32
    	object_comparison: BOOLEAN
    	occurrences (v: [like item] EV_PIXEL_BUFFER_PIXEL): INTEGER_32
    	off: BOOLEAN
    	row: NATURAL_32
    	there_exists (test: FUNCTION [ANY, TUPLE [EV_PIXEL_BUFFER_PIXEL], BOOLEAN]): BOOLEAN

    Commands
    	back
    	compare_objects
    	compare_references
    	do_all (action: PROCEDURE [ANY, TUPLE [EV_PIXEL_BUFFER_PIXEL]])
    	do_if (action: PROCEDURE [ANY, TUPLE [EV_PIXEL_BUFFER_PIXEL]]; test: FUNCTION [ANY, TUPLE [EV_PIXEL_BUFFER_PIXEL], BOOLEAN])
    	finish
    	forth
    	search (v: [like item] EV_PIXEL_BUFFER_PIXEL)
    	set_column (a_column: NATURAL_32)
    	set_row (a_row: NATURAL_32)
    	start
    	update_pixel (a_column, a_row: NATURAL_32; a_pixel: EV_PIXEL_BUFFER_PIXEL)