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class
	EV_MODEL_DRAWER

General
	cluster: interface
	description: "Adapters for EV_DRAWABLE that allows drawing of figures."
	keywords: "figure, primitives, drawing"
	create: make_with_drawable

Ancestors
	EV_MODEL_DRAWING_ROUTINES*

Queries
	arc_cosine (v: REAL_64): REAL_64
	arc_sine (v: REAL_64): REAL_64
	arc_tangent (v: REAL_64): REAL_64
	between (n, a, b: INTEGER_32): BOOLEAN
	ceiling (v: REAL_64): REAL_64
	cosine (v: REAL_64): REAL_64
	dabs (v: REAL_64): REAL_64
	Default_colors: EV_STOCK_COLORS
	delta_x (angle: REAL_64; length: INTEGER_32): INTEGER_32
	delta_y (angle: REAL_64; length: INTEGER_32): INTEGER_32
	distance (x1, y1, x2, y2: INTEGER_32): INTEGER_32
	distance_from_line (x, y, x1, y1, x2, y2: INTEGER_32): INTEGER_32
	drawable: EV_DRAWABLE
	Euler: REAL_64
	exp (x: REAL_64): REAL_64
	floor (v: REAL_64): REAL_64
	line_angle (x1, y1, x2, y2: INTEGER_32): REAL_64
	log (v: REAL_64): REAL_64
	log10 (v: REAL_64): REAL_64
	log_2 (v: REAL_64): REAL_64
	modulo (a, b: REAL_64): REAL_64
	offset_x: INTEGER_32
	offset_y: INTEGER_32
	Pi: REAL_64
	Pi_2: REAL_64
	Pi_4: REAL_64
	point_on_ellipse (x, y, xc, yc, r1, r2: INTEGER_32): BOOLEAN
	point_on_ellipse_boundary (x, y, xc, yc, r1, r2, width: INTEGER_32): BOOLEAN
	point_on_line (x, y, x1, y1, x2, y2, width: INTEGER_32): BOOLEAN
	point_on_polygon (x, y: INTEGER_32; points: SPECIAL [EV_COORDINATE]): BOOLEAN
	point_on_rectangle (x, y, x1, y1, x2, y2: INTEGER_32): BOOLEAN
	point_on_segment (x, y, x1, y1, x2, y2, width: INTEGER_32): BOOLEAN
	sine (v: REAL_64): REAL_64
	sqrt (v: REAL_64): REAL_64
	Sqrt2: REAL_64
	tangent (v: REAL_64): REAL_64

Commands
	draw_figure_arc (arc: EV_MODEL_ARC)
	draw_figure_dot (dot: EV_MODEL_DOT)
	draw_figure_ellipse (ellipse: EV_MODEL_ELLIPSE)
	draw_figure_equilateral (eql: EV_MODEL_EQUILATERAL)
	draw_figure_line (line: EV_MODEL_LINE)
	draw_figure_parallelogram (parallelogram: EV_MODEL_PARALLELOGRAM)
	draw_figure_picture (picture: EV_MODEL_PICTURE)
	draw_figure_pie_slice (slice: EV_MODEL_PIE_SLICE)
	draw_figure_polygon (polygon: EV_MODEL_POLYGON)
	draw_figure_polyline (line: EV_MODEL_POLYLINE)
	draw_figure_rectangle (rectangle: EV_MODEL_RECTANGLE)
	draw_figure_rotated_arc (arc: EV_MODEL_ROTATED_ARC)
	draw_figure_rotated_ellipse (ellipse: EV_MODEL_ROTATED_ELLIPSE)
	draw_figure_rotated_pie_slice (slice: EV_MODEL_ROTATED_PIE_SLICE)
	draw_figure_rounded_parallelogram (f: EV_MODEL_ROUNDED_PARALLELOGRAM)
	draw_figure_rounded_rectangle (f: EV_MODEL_ROUNDED_RECTANGLE)
	draw_figure_star (star: EV_MODEL_STAR)
	draw_figure_text (text_figure: EV_MODEL_TEXT)
	draw_grid (a_world: EV_MODEL_WORLD)
	set_drawable (a_drawable: [like drawable] EV_DRAWABLE)

Constraints
	drawable not void



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