    indexing
    	description: "Class for drawing of figures to postscript."
    	legal: "See notice at end of class."
    	status: "See notice at end of class."
    	keywords: "figure, primitives, drawing, postscript"
    	date: "$Date: 2006-07-13 08:19:56 -0700 (Thu, 13 Jul 2006) $"
    	revision: "$Revision: 61285 $"

    class interface
    	EV_FIGURE_POSTSCRIPT_DRAWER

    create
    	default_create
    			-- Process instances of classes with no creation clause.
    			-- (Default: do nothing.)
    			-- (from ANY)

    feature -- Access

    	bottom_margin: INTEGER_32

    	generating_type: STRING_8
    			-- Name of current object's generating type
    			-- (type of which it is a direct instance)
    			-- (from ANY)

    	generator: STRING_8
    			-- Name of current object's generating class
    			-- (base class of the type of which it is a direct instance)
    			-- (from ANY)

    	left_margin: INTEGER_32

    	point_height: INTEGER_32

    	point_width: INTEGER_32

    	postscript_result: STRING_8

    feature -- Comparison

    	frozen deep_equal (some: ANY; other: like arg #1): BOOLEAN
    			-- Are `some' and `other' either both void
    			-- or attached to isomorphic object structures?
    			-- (from ANY)
    		ensure -- from ANY
    			shallow_implies_deep: standard_equal (some, other) implies Result
    			both_or_none_void: (some = Void) implies (Result = (other = Void))
    			same_type: (Result and (some /= Void)) implies some.same_type (other)
    			symmetric: Result implies deep_equal (other, some)

    	frozen equal (some: ANY; other: like arg #1): BOOLEAN
    			-- Are `some' and `other' either both void or attached
    			-- to objects considered equal?
    			-- (from ANY)
    		ensure -- from ANY
    			definition: Result = (some = Void and other = Void) or else ((some /= Void and other /= Void) and then some.is_equal (other))

    	is_equal (other: like Current): BOOLEAN
    			-- Is `other' attached to an object considered
    			-- equal to current object?
    			-- (from ANY)
    		require -- from ANY
    			other_not_void: other /= Void
    		ensure -- from ANY
    			symmetric: Result implies other.is_equal (Current)
    			consistent: standard_is_equal (other) implies Result

    	frozen standard_equal (some: ANY; other: like arg #1): BOOLEAN
    			-- Are `some' and `other' either both void or attached to
    			-- field-by-field identical objects of the same type?
    			-- Always uses default object comparison criterion.
    			-- (from ANY)
    		ensure -- from ANY
    			definition: Result = (some = Void and other = Void) or else ((some /= Void and other /= Void) and then some.standard_is_equal (other))

    	frozen standard_is_equal (other: like Current): BOOLEAN
    			-- Is `other' attached to an object of the same type
    			-- as current object, and field-by-field identical to it?
    			-- (from ANY)
    		require -- from ANY
    			other_not_void: other /= Void
    		ensure -- from ANY
    			same_type: Result implies same_type (other)
    			symmetric: Result implies other.standard_is_equal (Current)

    feature -- Status report

    	conforms_to (other: ANY): BOOLEAN
    			-- Does type of current object conform to type
    			-- of `other' (as per Eiffel: The Language, chapter 13)?
    			-- (from ANY)
    		require -- from ANY
    			other_not_void: other /= Void

    	default_bottom_margin: INTEGER_32 is 20
    			-- Default size in pixels of the right side page margin.
    			-- (from EV_POSTSCRIPT_PAGE_CONSTANTS)

    	default_left_margin: INTEGER_32 is 20
    			-- Default size in pixels of the left side page margin.
    			-- (from EV_POSTSCRIPT_PAGE_CONSTANTS)

    	page_height (a_size: INTEGER_32; landscape: BOOLEAN): INTEGER_32
    			-- Return the page height in points (1 inch/72)
    			-- for the specified page size and orientation.
    			-- (from EV_POSTSCRIPT_PAGE_CONSTANTS)
    		require -- from EV_POSTSCRIPT_PAGE_CONSTANTS
    			valid_size: valid_page_size (a_size)

    	page_width (a_size: INTEGER_32; landscape: BOOLEAN): INTEGER_32
    			-- Return the page width in points (1 inch/72)
    			-- for the specified page size and orientation.
    			-- (from EV_POSTSCRIPT_PAGE_CONSTANTS)
    		require -- from EV_POSTSCRIPT_PAGE_CONSTANTS
    			valid_size: valid_page_size (a_size)

    	same_type (other: ANY): BOOLEAN
    			-- Is type of current object identical to type of `other'?
    			-- (from ANY)
    		require -- from ANY
    			other_not_void: other /= Void
    		ensure -- from ANY
    			definition: Result = (conforms_to (other) and other.conforms_to (Current))

    feature -- Status setting

    	set_margins (a_left_margin, a_bottom_margin: INTEGER_32)
    			-- Set `left' and `bottom' margins to `a_left_margin'
    			-- and `a_bottom_margin'.

    	set_page_size (a_size: INTEGER_32; landscape: BOOLEAN)
    			-- Set horizontal and vertical dimensions of page.

    feature -- Duplication

    	copy (other: like Current)
    			-- Update current object using fields of object attached
    			-- to `other', so as to yield equal objects.
    			-- (from ANY)
    		require -- from ANY
    			other_not_void: other /= Void
    			type_identity: same_type (other)
    		ensure -- from ANY
    			is_equal: is_equal (other)

    	frozen deep_copy (other: like Current)
    			-- Effect equivalent to that of:
    			--		copy (`other' . deep_twin)
    			-- (from ANY)
    		require -- from ANY
    			other_not_void: other /= Void
    		ensure -- from ANY
    			deep_equal: deep_equal (Current, other)

    	frozen deep_twin: like Current
    			-- New object structure recursively duplicated from Current.
    			-- (from ANY)
    		ensure -- from ANY
    			deep_equal: deep_equal (Current, Result)

    	frozen standard_copy (other: like Current)
    			-- Copy every field of `other' onto corresponding field
    			-- of current object.
    			-- (from ANY)
    		require -- from ANY
    			other_not_void: other /= Void
    			type_identity: same_type (other)
    		ensure -- from ANY
    			is_standard_equal: standard_is_equal (other)

    	frozen standard_twin: like Current
    			-- New object field-by-field identical to `other'.
    			-- Always uses default copying semantics.
    			-- (from ANY)
    		ensure -- from ANY
    			standard_twin_not_void: Result /= Void
    			equal: standard_equal (Result, Current)

    	frozen twin: like Current
    			-- New object equal to `Current'
    			-- twin calls copy; to change copying/twining semantics, redefine copy.
    			-- (from ANY)
    		ensure -- from ANY
    			twin_not_void: Result /= Void
    			is_equal: Result.is_equal (Current)

    feature -- Basic operations

    	frozen default: like Current
    			-- Default value of object's type
    			-- (from ANY)

    	frozen default_pointer: POINTER
    			-- Default value of type `POINTER'
    			-- (Avoid the need to write `p'.default for
    			-- some `p' of type `POINTER'.)
    			-- (from ANY)

    	default_rescue
    			-- Process exception for routines with no Rescue clause.
    			-- (Default: do nothing.)
    			-- (from ANY)

    	frozen do_nothing
    			-- Execute a null action.
    			-- (from ANY)

    feature -- Constants

    	a0: INTEGER_32 is unique
    			-- Valid page constants.
    			-- Was declared in EV_POSTSCRIPT_PAGE_CONSTANTS with other unique constants Comm10envelope, C5envelope, Dlenvelope, Folio, Executive, Letter, Legal, Ledger, Tabloid, A1, A2, A3, A4, A5, A6, A7, A8, A9, B0, B1, B2, B3, B4, B5, B6, B7, B8, B9 and B10.
    			-- (from EV_POSTSCRIPT_PAGE_CONSTANTS)

    	a1: INTEGER_32 is unique
    			-- Valid page constants.
    			-- Was declared in EV_POSTSCRIPT_PAGE_CONSTANTS with other unique constants Comm10envelope, C5envelope, Dlenvelope, Folio, Executive, Letter, Legal, Ledger, Tabloid, A0, A2, A3, A4, A5, A6, A7, A8, A9, B0, B1, B2, B3, B4, B5, B6, B7, B8, B9 and B10.
    			-- (from EV_POSTSCRIPT_PAGE_CONSTANTS)

    	a2: INTEGER_32 is unique
    			-- Valid page constants.
    			-- Was declared in EV_POSTSCRIPT_PAGE_CONSTANTS with other unique constants Comm10envelope, C5envelope, Dlenvelope, Folio, Executive, Letter, Legal, Ledger, Tabloid, A0, A1, A3, A4, A5, A6, A7, A8, A9, B0, B1, B2, B3, B4, B5, B6, B7, B8, B9 and B10.
    			-- (from EV_POSTSCRIPT_PAGE_CONSTANTS)

    	a3: INTEGER_32 is unique
    			-- Valid page constants.
    			-- Was declared in EV_POSTSCRIPT_PAGE_CONSTANTS with other unique constants Comm10envelope, C5envelope, Dlenvelope, Folio, Executive, Letter, Legal, Ledger, Tabloid, A0, A1, A2, A4, A5, A6, A7, A8, A9, B0, B1, B2, B3, B4, B5, B6, B7, B8, B9 and B10.
    			-- (from EV_POSTSCRIPT_PAGE_CONSTANTS)

    	a4: INTEGER_32 is unique
    			-- Valid page constants.
    			-- Was declared in EV_POSTSCRIPT_PAGE_CONSTANTS with other unique constants Comm10envelope, C5envelope, Dlenvelope, Folio, Executive, Letter, Legal, Ledger, Tabloid, A0, A1, A2, A3, A5, A6, A7, A8, A9, B0, B1, B2, B3, B4, B5, B6, B7, B8, B9 and B10.
    			-- (from EV_POSTSCRIPT_PAGE_CONSTANTS)

    	a5: INTEGER_32 is unique
    			-- Valid page constants.
    			-- Was declared in EV_POSTSCRIPT_PAGE_CONSTANTS with other unique constants Comm10envelope, C5envelope, Dlenvelope, Folio, Executive, Letter, Legal, Ledger, Tabloid, A0, A1, A2, A3, A4, A6, A7, A8, A9, B0, B1, B2, B3, B4, B5, B6, B7, B8, B9 and B10.
    			-- (from EV_POSTSCRIPT_PAGE_CONSTANTS)

    	a6: INTEGER_32 is unique
    			-- Valid page constants.
    			-- Was declared in EV_POSTSCRIPT_PAGE_CONSTANTS with other unique constants Comm10envelope, C5envelope, Dlenvelope, Folio, Executive, Letter, Legal, Ledger, Tabloid, A0, A1, A2, A3, A4, A5, A7, A8, A9, B0, B1, B2, B3, B4, B5, B6, B7, B8, B9 and B10.
    			-- (from EV_POSTSCRIPT_PAGE_CONSTANTS)

    	a7: INTEGER_32 is unique
    			-- Valid page constants.
    			-- Was declared in EV_POSTSCRIPT_PAGE_CONSTANTS with other unique constants Comm10envelope, C5envelope, Dlenvelope, Folio, Executive, Letter, Legal, Ledger, Tabloid, A0, A1, A2, A3, A4, A5, A6, A8, A9, B0, B1, B2, B3, B4, B5, B6, B7, B8, B9 and B10.
    			-- (from EV_POSTSCRIPT_PAGE_CONSTANTS)

    	a8: INTEGER_32 is unique
    			-- Valid page constants.
    			-- Was declared in EV_POSTSCRIPT_PAGE_CONSTANTS with other unique constants Comm10envelope, C5envelope, Dlenvelope, Folio, Executive, Letter, Legal, Ledger, Tabloid, A0, A1, A2, A3, A4, A5, A6, A7, A9, B0, B1, B2, B3, B4, B5, B6, B7, B8, B9 and B10.
    			-- (from EV_POSTSCRIPT_PAGE_CONSTANTS)

    	a9: INTEGER_32 is unique
    			-- Valid page constants.
    			-- Was declared in EV_POSTSCRIPT_PAGE_CONSTANTS with other unique constants Comm10envelope, C5envelope, Dlenvelope, Folio, Executive, Letter, Legal, Ledger, Tabloid, A0, A1, A2, A3, A4, A5, A6, A7, A8, B0, B1, B2, B3, B4, B5, B6, B7, B8, B9 and B10.
    			-- (from EV_POSTSCRIPT_PAGE_CONSTANTS)

    	b0: INTEGER_32 is unique
    			-- Valid page constants.
    			-- Was declared in EV_POSTSCRIPT_PAGE_CONSTANTS with other unique constants Comm10envelope, C5envelope, Dlenvelope, Folio, Executive, Letter, Legal, Ledger, Tabloid, A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, B1, B2, B3, B4, B5, B6, B7, B8, B9 and B10.
    			-- (from EV_POSTSCRIPT_PAGE_CONSTANTS)

    	b1: INTEGER_32 is unique
    			-- Valid page constants.
    			-- Was declared in EV_POSTSCRIPT_PAGE_CONSTANTS with other unique constants Comm10envelope, C5envelope, Dlenvelope, Folio, Executive, Letter, Legal, Ledger, Tabloid, A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, B0, B2, B3, B4, B5, B6, B7, B8, B9 and B10.
    			-- (from EV_POSTSCRIPT_PAGE_CONSTANTS)

    	b10: INTEGER_32 is unique
    			-- Valid page constants.
    			-- Was declared in EV_POSTSCRIPT_PAGE_CONSTANTS with other unique constants Comm10envelope, C5envelope, Dlenvelope, Folio, Executive, Letter, Legal, Ledger, Tabloid, A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, B0, B1, B2, B3, B4, B5, B6, B7, B8 and B9.
    			-- (from EV_POSTSCRIPT_PAGE_CONSTANTS)

    	b2: INTEGER_32 is unique
    			-- Valid page constants.
    			-- Was declared in EV_POSTSCRIPT_PAGE_CONSTANTS with other unique constants Comm10envelope, C5envelope, Dlenvelope, Folio, Executive, Letter, Legal, Ledger, Tabloid, A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, B0, B1, B3, B4, B5, B6, B7, B8, B9 and B10.
    			-- (from EV_POSTSCRIPT_PAGE_CONSTANTS)

    	b3: INTEGER_32 is unique
    			-- Valid page constants.
    			-- Was declared in EV_POSTSCRIPT_PAGE_CONSTANTS with other unique constants Comm10envelope, C5envelope, Dlenvelope, Folio, Executive, Letter, Legal, Ledger, Tabloid, A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, B0, B1, B2, B4, B5, B6, B7, B8, B9 and B10.
    			-- (from EV_POSTSCRIPT_PAGE_CONSTANTS)

    	b4: INTEGER_32 is unique
    			-- Valid page constants.
    			-- Was declared in EV_POSTSCRIPT_PAGE_CONSTANTS with other unique constants Comm10envelope, C5envelope, Dlenvelope, Folio, Executive, Letter, Legal, Ledger, Tabloid, A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, B0, B1, B2, B3, B5, B6, B7, B8, B9 and B10.
    			-- (from EV_POSTSCRIPT_PAGE_CONSTANTS)

    	b5: INTEGER_32 is unique
    			-- Valid page constants.
    			-- Was declared in EV_POSTSCRIPT_PAGE_CONSTANTS with other unique constants Comm10envelope, C5envelope, Dlenvelope, Folio, Executive, Letter, Legal, Ledger, Tabloid, A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, B0, B1, B2, B3, B4, B6, B7, B8, B9 and B10.
    			-- (from EV_POSTSCRIPT_PAGE_CONSTANTS)

    	b6: INTEGER_32 is unique
    			-- Valid page constants.
    			-- Was declared in EV_POSTSCRIPT_PAGE_CONSTANTS with other unique constants Comm10envelope, C5envelope, Dlenvelope, Folio, Executive, Letter, Legal, Ledger, Tabloid, A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, B0, B1, B2, B3, B4, B5, B7, B8, B9 and B10.
    			-- (from EV_POSTSCRIPT_PAGE_CONSTANTS)

    	b7: INTEGER_32 is unique
    			-- Valid page constants.
    			-- Was declared in EV_POSTSCRIPT_PAGE_CONSTANTS with other unique constants Comm10envelope, C5envelope, Dlenvelope, Folio, Executive, Letter, Legal, Ledger, Tabloid, A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, B0, B1, B2, B3, B4, B5, B6, B8, B9 and B10.
    			-- (from EV_POSTSCRIPT_PAGE_CONSTANTS)

    	b8: INTEGER_32 is unique
    			-- Valid page constants.
    			-- Was declared in EV_POSTSCRIPT_PAGE_CONSTANTS with other unique constants Comm10envelope, C5envelope, Dlenvelope, Folio, Executive, Letter, Legal, Ledger, Tabloid, A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, B0, B1, B2, B3, B4, B5, B6, B7, B9 and B10.
    			-- (from EV_POSTSCRIPT_PAGE_CONSTANTS)

    	b9: INTEGER_32 is unique
    			-- Valid page constants.
    			-- Was declared in EV_POSTSCRIPT_PAGE_CONSTANTS with other unique constants Comm10envelope, C5envelope, Dlenvelope, Folio, Executive, Letter, Legal, Ledger, Tabloid, A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, B0, B1, B2, B3, B4, B5, B6, B7, B8 and B10.
    			-- (from EV_POSTSCRIPT_PAGE_CONSTANTS)

    	c5envelope: INTEGER_32 is unique
    			-- Valid page constants.
    			-- Was declared in EV_POSTSCRIPT_PAGE_CONSTANTS with other unique constants Comm10envelope, Dlenvelope, Folio, Executive, Letter, Legal, Ledger, Tabloid, A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, B0, B1, B2, B3, B4, B5, B6, B7, B8, B9 and B10.
    			-- (from EV_POSTSCRIPT_PAGE_CONSTANTS)

    	comm10envelope: INTEGER_32 is unique
    			-- Valid page constants.
    			-- Was declared in EV_POSTSCRIPT_PAGE_CONSTANTS with other unique constants C5envelope, Dlenvelope, Folio, Executive, Letter, Legal, Ledger, Tabloid, A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, B0, B1, B2, B3, B4, B5, B6, B7, B8, B9 and B10.
    			-- (from EV_POSTSCRIPT_PAGE_CONSTANTS)

    	dlenvelope: INTEGER_32 is unique
    			-- Valid page constants.
    			-- Was declared in EV_POSTSCRIPT_PAGE_CONSTANTS with other unique constants Comm10envelope, C5envelope, Folio, Executive, Letter, Legal, Ledger, Tabloid, A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, B0, B1, B2, B3, B4, B5, B6, B7, B8, B9 and B10.
    			-- (from EV_POSTSCRIPT_PAGE_CONSTANTS)

    	executive: INTEGER_32 is unique
    			-- Valid page constants.
    			-- Was declared in EV_POSTSCRIPT_PAGE_CONSTANTS with other unique constants Comm10envelope, C5envelope, Dlenvelope, Folio, Letter, Legal, Ledger, Tabloid, A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, B0, B1, B2, B3, B4, B5, B6, B7, B8, B9 and B10.
    			-- (from EV_POSTSCRIPT_PAGE_CONSTANTS)

    	folio: INTEGER_32 is unique
    			-- Valid page constants.
    			-- Was declared in EV_POSTSCRIPT_PAGE_CONSTANTS with other unique constants Comm10envelope, C5envelope, Dlenvelope, Executive, Letter, Legal, Ledger, Tabloid, A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, B0, B1, B2, B3, B4, B5, B6, B7, B8, B9 and B10.
    			-- (from EV_POSTSCRIPT_PAGE_CONSTANTS)

    	ledger: INTEGER_32 is unique
    			-- Valid page constants.
    			-- Was declared in EV_POSTSCRIPT_PAGE_CONSTANTS with other unique constants Comm10envelope, C5envelope, Dlenvelope, Folio, Executive, Letter, Legal, Tabloid, A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, B0, B1, B2, B3, B4, B5, B6, B7, B8, B9 and B10.
    			-- (from EV_POSTSCRIPT_PAGE_CONSTANTS)

    	legal: INTEGER_32 is unique
    			-- Valid page constants.
    			-- Was declared in EV_POSTSCRIPT_PAGE_CONSTANTS with other unique constants Comm10envelope, C5envelope, Dlenvelope, Folio, Executive, Letter, Ledger, Tabloid, A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, B0, B1, B2, B3, B4, B5, B6, B7, B8, B9 and B10.
    			-- (from EV_POSTSCRIPT_PAGE_CONSTANTS)

    	letter: INTEGER_32 is unique
    			-- Valid page constants.
    			-- Was declared in EV_POSTSCRIPT_PAGE_CONSTANTS with other unique constants Comm10envelope, C5envelope, Dlenvelope, Folio, Executive, Legal, Ledger, Tabloid, A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, B0, B1, B2, B3, B4, B5, B6, B7, B8, B9 and B10.
    			-- (from EV_POSTSCRIPT_PAGE_CONSTANTS)

    	tabloid: INTEGER_32 is unique
    			-- Valid page constants.
    			-- Was declared in EV_POSTSCRIPT_PAGE_CONSTANTS with other unique constants Comm10envelope, C5envelope, Dlenvelope, Folio, Executive, Letter, Legal, Ledger, A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, B0, B1, B2, B3, B4, B5, B6, B7, B8, B9 and B10.
    			-- (from EV_POSTSCRIPT_PAGE_CONSTANTS)

    feature -- Contract support

    	valid_page_size (a_size: INTEGER_32): BOOLEAN
    			-- Is `a_size' a valid page value?
    			-- (from EV_POSTSCRIPT_PAGE_CONSTANTS)

    feature -- Figure drawing

    	draw_figure_arc (arc: EV_FIGURE_ARC)
    			-- Draw standard representation of `arc' to canvas.
    		require -- from EV_FIGURE_DRAWING_ROUTINES
    			arc_not_void: arc /= Void

    	draw_figure_dot (dot: EV_FIGURE_DOT)
    			-- Draw standard representation of `dot' to canvas.
    		require -- from EV_FIGURE_DRAWING_ROUTINES
    			dot_not_void: dot /= Void

    	draw_figure_ellipse (ellipse: EV_FIGURE_ELLIPSE)
    			-- Draw standard representation of `ellipse' to canvas.
    		require -- from EV_FIGURE_DRAWING_ROUTINES
    			ellipse_not_void: ellipse /= Void

    	draw_figure_equilateral (eql: EV_FIGURE_EQUILATERAL)
    			-- Draw standard representation of `eql' to canvas.
    		require -- from EV_FIGURE_DRAWING_ROUTINES
    			eql_not_void: eql /= Void

    	draw_figure_line (line: EV_FIGURE_LINE)
    			-- Draw standard representation of `line' to canvas.
    		require -- from EV_FIGURE_DRAWING_ROUTINES
    			line_not_void: line /= Void

    	draw_figure_picture (picture: EV_FIGURE_PICTURE)
    			-- Draw standard representation of `picture' to canvas.
    		require -- from EV_FIGURE_DRAWING_ROUTINES
    			picture_not_void: picture /= Void

    	draw_figure_pie_slice (slice: EV_FIGURE_PIE_SLICE)
    			-- Draw standard representation of `slice' to canvas.
    		require -- from EV_FIGURE_DRAWING_ROUTINES
    			slice_not_void: slice /= Void

    	draw_figure_polygon (polygon: EV_FIGURE_POLYGON)
    			-- Draw standard representation of `polygon' to canvas.
    		require -- from EV_FIGURE_DRAWING_ROUTINES
    			polygon_not_void: polygon /= Void

    	draw_figure_polyline (line: EV_FIGURE_POLYLINE)
    			-- Draw standard representation of `polyline' to canvas.
    		require -- from EV_FIGURE_DRAWING_ROUTINES
    			line_not_void: line /= Void

    	draw_figure_rectangle (rectangle: EV_FIGURE_RECTANGLE)
    			-- Draw standard representation of `rectangle' to canvas.
    		require -- from EV_FIGURE_DRAWING_ROUTINES
    			rectangle_not_void: rectangle /= Void

    	draw_figure_rounded_rectangle (rounded_rectangle: EV_FIGURE_ROUNDED_RECTANGLE)
    			-- Draw standard representation of `rounded_rectangle' to canvas.
    		require -- from EV_FIGURE_DRAWING_ROUTINES
    			f_not_void: rounded_rectangle /= Void

    	draw_figure_star (star: EV_FIGURE_STAR)
    			-- Draw standard representation of `star' to canvas.
    		require -- from EV_FIGURE_DRAWING_ROUTINES
    			star_not_void: star /= Void

    	draw_figure_text (text_figure: EV_FIGURE_TEXT)
    			-- Draw standard representation of `text_figure' to canvas.
    		require -- from EV_FIGURE_DRAWING_ROUTINES
    			text_figure_not_void: text_figure /= Void

    feature -- Output

    	io: STD_FILES
    			-- Handle to standard file setup
    			-- (from ANY)

    	out: STRING_8
    			-- New string containing terse printable representation
    			-- of current object
    			-- Was declared in ANY as synonym of tagged_out.
    			-- (from ANY)

    	print (some: ANY)
    			-- Write terse external representation of `some'
    			-- on standard output.
    			-- (from ANY)

    	frozen tagged_out: STRING_8
    			-- New string containing terse printable representation
    			-- of current object
    			-- Was declared in ANY as synonym of out.
    			-- (from ANY)

    feature -- Platform

    	operating_environment: OPERATING_ENVIRONMENT
    			-- Objects available from the operating system
    			-- (from ANY)

    invariant
    		-- from ANY
    	reflexive_equality: standard_is_equal (Current)
    	reflexive_conformance: conforms_to (Current)

    indexing
    	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 -- class EV_FIGURE_POSTSCRIPT_DRAWER