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diff --git a/libjava/classpath/java/awt/geom/Point2D.java b/libjava/classpath/java/awt/geom/Point2D.java
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-/* Point2D.java -- generic point in 2-D space
- Copyright (C) 1999, 2000, 2002, 2004, 2006, Free Software Foundation
-
-This file is part of GNU Classpath.
-
-GNU Classpath 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 2, or (at your option)
-any later version.
-
-GNU Classpath 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 for more details.
-
-You should have received a copy of the GNU General Public License
-along with GNU Classpath; see the file COPYING. If not, write to the
-Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
-02110-1301 USA.
-
-Linking this library statically or dynamically with other modules is
-making a combined work based on this library. Thus, the terms and
-conditions of the GNU General Public License cover the whole
-combination.
-
-As a special exception, the copyright holders of this library give you
-permission to link this library with independent modules to produce an
-executable, regardless of the license terms of these independent
-modules, and to copy and distribute the resulting executable under
-terms of your choice, provided that you also meet, for each linked
-independent module, the terms and conditions of the license of that
-module. An independent module is a module which is not derived from
-or based on this library. If you modify this library, you may extend
-this exception to your version of the library, but you are not
-obligated to do so. If you do not wish to do so, delete this
-exception statement from your version. */
-
-
-package java.awt.geom;
-
-/**
- * This class implements a generic point in 2D Cartesian space. The storage
- * representation is left up to the subclass. Point includes two useful
- * nested classes, for float and double storage respectively.
- *
- * @author Per Bothner (bothner@cygnus.com)
- * @author Eric Blake (ebb9@email.byu.edu)
- * @since 1.2
- * @status updated to 1.4
- */
-public abstract class Point2D implements Cloneable
-{
- /**
- * The default constructor.
- *
- * @see java.awt.Point
- * @see Point2D.Float
- * @see Point2D.Double
- */
- protected Point2D()
- {
- }
-
- /**
- * Get the X coordinate, in double precision.
- *
- * @return the x coordinate
- */
- public abstract double getX();
-
- /**
- * Get the Y coordinate, in double precision.
- *
- * @return the y coordinate
- */
- public abstract double getY();
-
- /**
- * Set the location of this point to the new coordinates. There may be a
- * loss of precision.
- *
- * @param x the new x coordinate
- * @param y the new y coordinate
- */
- public abstract void setLocation(double x, double y);
-
- /**
- * Set the location of this point to the new coordinates. There may be a
- * loss of precision.
- *
- * @param p the point to copy
- * @throws NullPointerException if p is null
- */
- public void setLocation(Point2D p)
- {
- setLocation(p.getX(), p.getY());
- }
-
- /**
- * Return the square of the distance between two points.
- *
- * @param x1 the x coordinate of point 1
- * @param y1 the y coordinate of point 1
- * @param x2 the x coordinate of point 2
- * @param y2 the y coordinate of point 2
- * @return (x2 - x1)^2 + (y2 - y1)^2
- */
- public static double distanceSq(double x1, double y1, double x2, double y2)
- {
- x2 -= x1;
- y2 -= y1;
- return x2 * x2 + y2 * y2;
- }
-
- /**
- * Return the distance between two points.
- *
- * @param x1 the x coordinate of point 1
- * @param y1 the y coordinate of point 1
- * @param x2 the x coordinate of point 2
- * @param y2 the y coordinate of point 2
- * @return the distance from (x1,y1) to (x2,y2)
- */
- public static double distance(double x1, double y1, double x2, double y2)
- {
- return Math.sqrt(distanceSq(x1, y1, x2, y2));
- }
-
- /**
- * Return the square of the distance from this point to the given one.
- *
- * @param x the x coordinate of the other point
- * @param y the y coordinate of the other point
- * @return the square of the distance
- */
- public double distanceSq(double x, double y)
- {
- return distanceSq(getX(), getY(), x, y);
- }
-
- /**
- * Return the square of the distance from this point to the given one.
- *
- * @param p the other point
- * @return the square of the distance
- * @throws NullPointerException if p is null
- */
- public double distanceSq(Point2D p)
- {
- return distanceSq(getX(), getY(), p.getX(), p.getY());
- }
-
- /**
- * Return the distance from this point to the given one.
- *
- * @param x the x coordinate of the other point
- * @param y the y coordinate of the other point
- * @return the distance
- */
- public double distance(double x, double y)
- {
- return distance(getX(), getY(), x, y);
- }
-
- /**
- * Return the distance from this point to the given one.
- *
- * @param p the other point
- * @return the distance
- * @throws NullPointerException if p is null
- */
- public double distance(Point2D p)
- {
- return distance(getX(), getY(), p.getX(), p.getY());
- }
-
- /**
- * Create a new point of the same run-time type with the same contents as
- * this one.
- *
- * @return the clone
- */
- public Object clone()
- {
- try
- {
- return super.clone();
- }
- catch (CloneNotSupportedException e)
- {
- throw (Error) new InternalError().initCause(e); // Impossible
- }
- }
-
- /**
- * Return the hashcode for this point. The formula is not documented, but
- * appears to be the same as:
- * <pre>
- * long l = Double.doubleToLongBits(getY());
- * l = l * 31 ^ Double.doubleToLongBits(getX());
- * return (int) ((l >> 32) ^ l);
- * </pre>
- *
- * @return the hashcode
- */
- public int hashCode()
- {
- // Talk about a fun time reverse engineering this one!
- long l = java.lang.Double.doubleToLongBits(getY());
- l = l * 31 ^ java.lang.Double.doubleToLongBits(getX());
- return (int) ((l >> 32) ^ l);
- }
-
- /**
- * Compares two points for equality. This returns true if they have the
- * same coordinates.
- *
- * @param o the point to compare
- * @return true if it is equal
- */
- public boolean equals(Object o)
- {
- if (! (o instanceof Point2D))
- return false;
- Point2D p = (Point2D) o;
- return getX() == p.getX() && getY() == p.getY();
- }
-
- /**
- * This class defines a point in <code>double</code> precision.
- *
- * @author Eric Blake (ebb9@email.byu.edu)
- * @since 1.2
- * @status updated to 1.4
- */
- public static class Double extends Point2D
- {
- /** The X coordinate. */
- public double x;
-
- /** The Y coordinate. */
- public double y;
-
- /**
- * Create a new point at (0,0).
- */
- public Double()
- {
- }
-
- /**
- * Create a new point at (x,y).
- *
- * @param x the x coordinate
- * @param y the y coordinate
- */
- public Double(double x, double y)
- {
- this.x = x;
- this.y = y;
- }
-
- /**
- * Return the x coordinate.
- *
- * @return the x coordinate
- */
- public double getX()
- {
- return x;
- }
-
- /**
- * Return the y coordinate.
- *
- * @return the y coordinate
- */
- public double getY()
- {
- return y;
- }
-
- /**
- * Sets the location of this point.
- *
- * @param x the new x coordinate
- * @param y the new y coordinate
- */
- public void setLocation(double x, double y)
- {
- this.x = x;
- this.y = y;
- }
-
- /**
- * Returns a string representation of this object. The format is:
- * <code>"Point2D.Double[" + x + ", " + y + ']'</code>.
- *
- * @return a string representation of this object
- */
- public String toString()
- {
- return "Point2D.Double[" + x + ", " + y + ']';
- }
- } // class Double
-
- /**
- * This class defines a point in <code>float</code> precision.
- *
- * @author Eric Blake (ebb9@email.byu.edu)
- * @since 1.2
- * @status updated to 1.4
- */
- public static class Float extends Point2D
- {
- /** The X coordinate. */
- public float x;
-
- /** The Y coordinate. */
- public float y;
-
- /**
- * Create a new point at (0,0).
- */
- public Float()
- {
- }
-
- /**
- * Create a new point at (x,y).
- *
- * @param x the x coordinate
- * @param y the y coordinate
- */
- public Float(float x, float y)
- {
- this.x = x;
- this.y = y;
- }
-
- /**
- * Return the x coordinate.
- *
- * @return the x coordinate
- */
- public double getX()
- {
- return x;
- }
-
- /**
- * Return the y coordinate.
- *
- * @return the y coordinate
- */
- public double getY()
- {
- return y;
- }
-
- /**
- * Sets the location of this point.
- *
- * @param x the new x coordinate
- * @param y the new y coordinate
- */
- public void setLocation(double x, double y)
- {
- this.x = (float) x;
- this.y = (float) y;
- }
-
- /**
- * Sets the location of this point.
- *
- * @param x the new x coordinate
- * @param y the new y coordinate
- */
- public void setLocation(float x, float y)
- {
- this.x = x;
- this.y = y;
- }
-
- /**
- * Returns a string representation of this object. The format is:
- * <code>"Point2D.Float[" + x + ", " + y + ']'</code>.
- *
- * @return a string representation of this object
- */
- public String toString()
- {
- return "Point2D.Float[" + x + ", " + y + ']';
- }
- } // class Float
-} // class Point2D
generated by cgit v1.1 at 2025-03-23 04:18:23 +0000