note
	description: "Contains information about the Wm_paint message."
	legal: "See notice at end of class."
	status: "See notice at end of class."
	date: "$Date$"
	revision: "$Revision$"

class
	WEL_PAINT_STRUCT

inherit
	WEL_STRUCTURE

create
	make

feature -- Access

	erase: BOOLEAN
			-- Must the background be erased?
		do
			Result := cwel_paintstruct_get_ferase (item)
		end

	rect_paint: WEL_RECT
			-- Rectangle that specifies which part
			-- must be painted.
		do
			create Result.make_by_pointer (
				cwel_paintstruct_get_rcpaint (item))
		ensure
			result_not_void: Result /= Void
		end

feature -- Measurement

	structure_size: INTEGER
			-- Size to allocate (in bytes)
		once
			Result := c_size_of_paintstruct
		end

feature {NONE} -- Externals

	c_size_of_paintstruct: INTEGER
		external
			"C [macro <paint.h>]"
		alias
			"sizeof (PAINTSTRUCT)"
		end

	cwel_paintstruct_get_ferase (ptr: POINTER): BOOLEAN
		external
			"C [macro <paint.h>]"
		end

	cwel_paintstruct_get_rcpaint (ptr: POINTER): POINTER
		external
			"C [macro <paint.h>] (PAINTSTRUCT*): EIF_POINTER"
		end

note
	copyright:	"Copyright (c) 1984-2006, Eiffel Software and others"
	license:	"Eiffel Forum License v2 (see http://www.eiffel.com/licensing/forum.txt)"
	source: "[
			 Eiffel Software
			 356 Storke Road, Goleta, CA 93117 USA
			 Telephone 805-685-1006, Fax 805-685-6869
			 Website http://www.eiffel.com
			 Customer support http://support.eiffel.com
		]"

end