class interface HATCHED_BRUSH
creation
make
feature(s) from COLOR_BRUSH
-- Colour
set_color (col: COLOR)
require
valid_color: col /= Void
ensure
keep_reference: color = col
feature(s) from HATCHED_BRUSH
-- Colour
set_hatch_cross
-- Set hatch style: ++++++
set_hatch_diagonal_cross
-- Set hatch style: xxxxxx
set_hatch_horizontal
-- Set hatch style: ------
set_hatch_vertical
-- Set hatch style: ||||||
set_hatch_forward_diagonal
-- Set hatch style: //////
set_hatch_backward_diagonal
-- Set hatch style: \\\\\\
invariant
valid_color: color /= Void;
end of HATCHED_BRUSH