    class
    	EV_PIXEL_BUFFER

    General
    	cluster: interface
    	description: "Pixel buffer used for storing RGBA values."
    	keywords: "drawable, primitives, figures, buffer, bitmap, picture"
    	create: make_with_size, default_create

    Ancestors
    	EV_ANY*

    Queries
    	data: ANY
    	height: INTEGER_32
    	implementation: EV_PIXEL_BUFFER_I
    	is_destroyed: BOOLEAN
    	is_locked: BOOLEAN
    	pixel_iterator: EV_PIXEL_BUFFER_ITERATOR
    	sub_pixel_buffer (a_rect: EV_RECTANGLE): EV_PIXEL_BUFFER
    	sub_pixmap (a_rect: EV_RECTANGLE): EV_PIXMAP
    	width: INTEGER_32

    Commands
    	copy (other: [like Current] EV_PIXEL_BUFFER)
    	destroy
    	lock
    	set_data (some_data: [like data] ANY)
    	set_with_named_file (a_file_name: STRING_8)
    	unlock