    class
    	WEL_COLOR_MATRIX

    General
    	cluster: wel
    	description: "ColorMatrix used in Windows GDI+."
    	create: make

    Ancestors
    	ANY

    Queries
    	item: POINTER
    	m alias "[]" (a_x, a_y: INTEGER_32): REAL_32
    	m_row (a_x: INTEGER_32): ARRAY [REAL_32]
    	structure_size: INTEGER_32

    Commands
    	set_m (a_value: REAL_32; a_x, a_y: INTEGER_32)
    	set_m_row (a_value: ARRAY [REAL_32]; a_x: INTEGER_32)