------------------------------------------------------------------------------
--                                                                          --
--                              SYSTEM ET                                   --
--                                                                          --
--                              TESTBENCH                                   --
--                                                                          --
--                               B o d y                                    --
--                                                                          --
--         Copyright (C) 2017 - 2022 Mario Blunk, Blunk electronic          --
--                                                                          --
-- This library is free software;  you can redistribute it and/or modify it --
-- under terms of the  GNU General Public License  as published by the Free --
-- Software  Foundation;  either version 3,  or (at your  option) any later --
-- version. This library is distributed in the hope that it will be useful, --
-- but WITHOUT ANY WARRANTY;  without even the implied warranty of MERCHAN- --
-- TABILITY or FITNESS FOR A PARTICULAR PURPOSE.                            --
--                                                                          --
-- You should have received a copy of the GNU General Public License and    --
-- a copy of the GCC Runtime Library Exception along with this program;     --
-- see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see    --
-- <http://www.gnu.org/licenses/>.                                          --
--                                                                          --
------------------------------------------------------------------------------

--   For correct displaying set tab width in your editor to 4.

--   The two letters "CS" indicate a "construction site" where things are not
--   finished yet or intended for the future.

--   Please send your questions and comments to:
--
--   info@blunk-electronic.de
--   or visit <http://www.blunk-electronic.de> for more contact data
--
--   history of changes:
--
-- DESCRIPTION:
-- 

with ada.text_io;				use ada.text_io;
with ada.strings.unbounded;		use ada.strings.unbounded;

with et_pcb_coordinates;		use et_pcb_coordinates;
with et_board_shapes_and_text;	use et_board_shapes_and_text;
with et_string_processing;		use et_string_processing;

procedure merge is
	
	use pac_geometry_brd;
	use pac_polygons;

	
	--B_default_vertices : constant string := "0 0  100 0  100 100  0 100";
	--B_5_vertices : constant string := "0 0  50 0  100 0  100 100  0 100";
	
	B_overlap_1 : constant string := "0 0  100 0  100 -10  100 100  0 100";
	B_overlap_2 : constant string := "0 0  110 0  100 0  100 100  0 100";
	B_overlap_3 : constant string := "0 0  110 0  100 0  110 0 100 0  100 100  0 100";
	B_overlap_4 : constant string := "0 0  110 0  90 0  120 0  100 0  100 100  0 100";
	
	initial, reference, optimized : type_polygon;

	errors : boolean := false;
	
begin
	-- The initial polygon:
	--initial := to_polygon (B_default_vertices);
	--initial := to_polygon (B_5_vertices);
	
	--initial := to_polygon (B_overlap_1);
	--initial := to_polygon (B_overlap_2);
	--initial := to_polygon (B_overlap_3);
	initial := to_polygon (vertices => B_overlap_4, clean_up => false);
	
	put_line ("initial polygon:");
	put_line (to_string (initial));
	new_line;
	
	-- Merge the overlapping edges of the initial polygon and keep the result:
	reference := initial;
	merge_overlapping_edges (polygon => reference, debug => true);
	put_line ("reference with merged edges:");
	put_line (to_string (reference));
	

--goto skip;
	
	for i in 1 .. 10 loop
		new_line;
		put_line ("iteration" & natural'image (i));
		put_line ("------------------");
		rotate (initial);
		
		put_line ("given:");
		put_line (to_string (initial));

		optimized := initial;


		merge_overlapping_edges (polygon => optimized, debug => true);
			
		--new_line;
		--put_line ("cleaned up:");
		--put_line (to_string (optimized));

		
		if not are_congruent (reference, optimized) then
			new_line;
			put_line ("ERROR !");
			put_line ("reference:");
			put_line (to_string (reference));

			put_line ("optimized:");
			put_line (to_string (optimized));
			new_line;
			put_line ("ERROR !");

			errors := true;
			exit;
		end if;

		----put_line ("optimized:");
		----put_line (to_string (Q));
		----new_line;
	end loop;


	if not errors then
		put_line ("-----------");
		put_line ("NO ERRORS !");
	end if;

<<skip>>
	
end merge;


-- Soli Deo Gloria

-- For God so loved the world that he gave 
-- his one and only Son, that whoever believes in him 
-- shall not perish but have eternal life.
-- The Bible, John 3.16
