    class
    	WEL_BLEND_FUNCTION

    General
    	cluster: wel
    	description:
    		"Objects controls blending by specifying
    		the blending functions for source and destination bitmaps.
    		Wrapper for BLENDFUNCTION struct."
    	create: make

    Ancestors
    	WEL_STRUCTURE*

    Queries
    	alpha_format: INTEGER_32
    	blend_flags: INTEGER_32
    	blend_op: INTEGER_32
    	exists: BOOLEAN
    	is_equal (other: [like Current] WEL_BLEND_FUNCTION): BOOLEAN
    	item: POINTER
    	shared: BOOLEAN
    	source_constant_alpha: INTEGER_32
    	structure_size: INTEGER_32

    Commands
    	copy (other: [like Current] WEL_BLEND_FUNCTION)
    	dispose
    	initialize
    	initialize_with_character (a_character: CHARACTER_8)
    	memory_copy (source_pointer: POINTER; length: INTEGER_32)
    	set_alpha_format (a_alpha_format: INTEGER_32)
    	set_blend_flags (a_flags: INTEGER_32)
    	set_blend_op (a_blend_op: INTEGER_32)
    	set_item (an_item: POINTER)
    	set_shared
    	set_source_constant_alpha (a_source_constant_alpha: INTEGER_32)
    	set_unshared