141 lines
4.6 KiB
Java
141 lines
4.6 KiB
Java
/*
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* Copyright (C) 2014 Alfons Wirtz
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* website www.freerouting.net
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License at <http://www.gnu.org/licenses/>
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* for more details.
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*
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* Polygon.java
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*
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* Created on 15. Mai 2004, 08:39
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*/
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package designformats.specctra;
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import geometry.planar.IntPoint;
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import datastructures.IndentFileWriter;
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import datastructures.IdentifierType;
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/**
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* Describes a polygon in a Specctra dsn file.
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*
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* @author alfons
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*/
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public class Polygon extends Shape
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{
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/**
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* Creates a new instance of Polygon
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* p_coor is an array of dimension of dimension 2 * point_count and contains x0, y0, x1, y1, ...
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* If the polygon is used as rectangle,
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*/
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public Polygon(Layer p_layer, double[] p_coor)
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{
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super(p_layer);
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coor = p_coor;
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}
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public geometry.planar.Shape transform_to_board(CoordinateTransform p_coordinate_transform)
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{
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IntPoint [] corner_arr = new IntPoint[coor.length / 2];
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double [] curr_point = new double [2];
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for (int i = 0; i < corner_arr.length; ++i)
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{
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curr_point[0] = coor[2 * i];
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curr_point[1] = coor[2 * i + 1];
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corner_arr[i] = p_coordinate_transform.dsn_to_board(curr_point).round();
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}
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return new geometry.planar.PolygonShape(corner_arr);
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}
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public geometry.planar.Shape transform_to_board_rel(CoordinateTransform p_coordinate_transform)
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{
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if (coor.length < 2)
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{
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return geometry.planar.Simplex.EMPTY;
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}
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IntPoint [] corner_arr = new IntPoint[coor.length / 2];
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for (int i = 0; i < corner_arr.length; ++i)
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{
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int curr_x = (int) Math.round(p_coordinate_transform.dsn_to_board(coor[2 * i]));
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int curr_y = (int) Math.round(p_coordinate_transform.dsn_to_board(coor[2 * i + 1]));
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corner_arr[i] = new IntPoint(curr_x, curr_y);
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}
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return new geometry.planar.PolygonShape(corner_arr);
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}
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public Rectangle bounding_box()
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{
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double[] bounds = new double[4];
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bounds[0] = Integer.MAX_VALUE;
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bounds[1] = Integer.MAX_VALUE;
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bounds[2] = Integer.MIN_VALUE;
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bounds[3] = Integer.MIN_VALUE;
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for (int i = 0; i < coor.length; ++i)
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{
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if (i % 2 == 0)
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{
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// x coordinate
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bounds[0] = Math.min(bounds[0], coor[i]);
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bounds[2] = Math.max(bounds[2], coor[i]);
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}
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else
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{
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// x coordinate
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bounds[1] = Math.min(bounds[1], coor[i]);
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bounds[3] = Math.max(bounds[3], coor[i]);
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}
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}
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return new Rectangle(layer, bounds);
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}
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/**
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* Writes this polygon as a scope to an output dsn-file.
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*/
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public void write_scope(IndentFileWriter p_file, IdentifierType p_identifier_type) throws java.io.IOException
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{
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p_file.start_scope();
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p_file.write("polygon ");
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p_identifier_type.write(this.layer.name, p_file);
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p_file.write(" ");
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p_file.write((new Integer(0)).toString());
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int corner_count = coor.length/ 2;
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for (int i = 0; i < corner_count; ++i)
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{
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p_file.new_line();
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p_file.write(new Double(coor[2 * i]).toString());
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p_file.write(" ");
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p_file.write(new Double(coor[2 * i + 1]).toString());
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}
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p_file.end_scope();
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}
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public void write_scope_int(IndentFileWriter p_file, IdentifierType p_identifier_type) throws java.io.IOException
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{
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p_file.start_scope();
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p_file.write("polygon ");
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p_identifier_type.write(this.layer.name, p_file);
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p_file.write(" ");
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p_file.write((new Integer(0)).toString());
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int corner_count = coor.length/ 2;
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for (int i = 0; i < corner_count; ++i)
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{
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p_file.new_line();
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Integer curr_coor = (int) Math.round(coor[2* i ]);
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p_file.write(curr_coor.toString());
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p_file.write(" ");
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curr_coor = (int) Math.round(coor[2* i + 1]);
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p_file.write(curr_coor.toString());
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}
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p_file.end_scope();
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}
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public final double [] coor;
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}
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