freerouting/src/main/java/eu/mihosoft/freerouting/designformats/specctra/Rectangle.java

129 lines
4.2 KiB
Java

/*
* Copyright (C) 2014 Alfons Wirtz
* website www.freerouting.net
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License at <http://www.gnu.org/licenses/>
* for more details.
*
* Rectangle.java
*
* Created on 15. Mai 2004, 08:39
*/
package designformats.specctra;
import geometry.planar.FloatPoint;
import geometry.planar.IntBox;
import datastructures.IndentFileWriter;
import datastructures.IdentifierType;
/**
* Describes a rectangle in a Specctra dsn file.
*
* @author alfons
*/
public class Rectangle extends Shape
{
/**
* Creates a new instance of Rectangle
* p_coor is an array of dimension 4 and contains the rectangle coordinates
* in the following order: lower left x, lower left y, upper right x, uppper right y.
*/
public Rectangle(Layer p_layer, double[] p_coor)
{
super(p_layer);
coor = p_coor;
}
public Rectangle bounding_box()
{
return this;
}
/**
* Creates the smallest rectangle containing this rectangle and p_other
*/
public Rectangle union (Rectangle p_other)
{
double[] result_coor = new double[4];
result_coor[0] = Math.min(this.coor[0], p_other.coor[0]);
result_coor[1] = Math.min(this.coor[1], p_other.coor[1]);
result_coor[2] = Math.max(this.coor[2], p_other.coor[2]);
result_coor[3] = Math.max(this.coor[3], p_other.coor[3]);
return new Rectangle(this.layer, result_coor);
}
public geometry.planar.Shape transform_to_board_rel(CoordinateTransform p_coordinate_transform)
{
int box_coor[] = new int[4];
for (int i = 0; i < 4; ++i)
{
box_coor[i] = (int) Math.round(p_coordinate_transform.dsn_to_board(this.coor[i]));
}
IntBox result;
if (box_coor[1] <= box_coor[3])
{
// box_coor describe lower left and upper right corner
result = new IntBox(box_coor[0], box_coor[1], box_coor[2], box_coor[3]);
}
else
{
// box_coor describe upper left and lower right corner
result = new IntBox(box_coor[0], box_coor[3], box_coor[2], box_coor[1]);
}
return result;
}
public geometry.planar.Shape transform_to_board(CoordinateTransform p_coordinate_transform)
{
double [] curr_point = new double [2];
curr_point[0] = Math.min(coor[0], coor[2]);
curr_point[1] = Math.min(coor[1], coor[3]);
FloatPoint lower_left = p_coordinate_transform.dsn_to_board(curr_point);
curr_point[0] = Math.max(coor[0], coor[2]);
curr_point[1] = Math.max(coor[1], coor[3]);
FloatPoint upper_right= p_coordinate_transform.dsn_to_board(curr_point);
return new IntBox(lower_left.round(), upper_right.round());
}
/**
* Writes this rectangle as a scope to an output dsn-file.
*/
public void write_scope(IndentFileWriter p_file, IdentifierType p_identifier) throws java.io.IOException
{
p_file.new_line();
p_file.write("(rect ");
p_identifier.write(this.layer.name, p_file);
for (int i = 0; i < coor.length; ++i)
{
p_file.write(" ");
p_file.write(new Double(coor[i]).toString());
}
p_file.write(")");
}
public void write_scope_int(IndentFileWriter p_file, IdentifierType p_identifier) throws java.io.IOException
{
p_file.new_line();
p_file.write("(rect ");
p_identifier.write(this.layer.name, p_file);
for (int i = 0; i < coor.length; ++i)
{
p_file.write(" ");
Integer curr_coor = (int) Math.round(coor[i]);
p_file.write(curr_coor.toString());
}
p_file.write(")");
}
public final double [] coor;
}