| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| /** |
| * @author Denis M. Kishenko |
| * @version $Revision$ |
| */ |
| |
| package java.awt; |
| |
| import java.awt.geom.Point2D; |
| import java.io.Serializable; |
| |
| /** |
| * The Point class represents a point location with coordinates X, Y in current |
| * coordinate system. |
| * |
| * @since Android 1.0 |
| */ |
| public class Point extends Point2D implements Serializable { |
| |
| /** |
| * The Constant serialVersionUID. |
| */ |
| private static final long serialVersionUID = -5276940640259749850L; |
| |
| /** |
| * The X coordinate of Point. |
| */ |
| public int x; |
| |
| /** |
| * The Y coordinate of Point. |
| */ |
| public int y; |
| |
| /** |
| * Instantiates a new point with (0, O) coordinates, the origin of |
| * coordinate system. |
| */ |
| public Point() { |
| setLocation(0, 0); |
| } |
| |
| /** |
| * Instantiates a new point with (x, y) coordinates. |
| * |
| * @param x |
| * the X coordinate of Point. |
| * @param y |
| * the Y coordinate of Point. |
| */ |
| public Point(int x, int y) { |
| setLocation(x, y); |
| } |
| |
| /** |
| * Instantiates a new point, giving it the same location as the parameter p. |
| * |
| * @param p |
| * the Point object giving the coordinates of the new point. |
| */ |
| public Point(Point p) { |
| setLocation(p.x, p.y); |
| } |
| |
| /** |
| * Compares current Point with the specified object. |
| * |
| * @param obj |
| * the Object to be compared. |
| * @return true, if the Object being compared is a Point whose coordinates |
| * are equal to the coordinates of this Point, false otherwise. |
| * @see java.awt.geom.Point2D#equals(Object) |
| */ |
| @Override |
| public boolean equals(Object obj) { |
| if (obj == this) { |
| return true; |
| } |
| if (obj instanceof Point) { |
| Point p = (Point)obj; |
| return x == p.x && y == p.y; |
| } |
| return false; |
| } |
| |
| /** |
| * Returns string representation of the current Point object. |
| * |
| * @return a string representation of the current Point object. |
| */ |
| @Override |
| public String toString() { |
| return getClass().getName() + "[x=" + x + ",y=" + y + "]"; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ |
| } |
| |
| /** |
| * Gets X coordinate of Point as a double. |
| * |
| * @return X coordinate of the point as a double. |
| * @see java.awt.geom.Point2D#getX() |
| */ |
| @Override |
| public double getX() { |
| return x; |
| } |
| |
| /** |
| * Gets Y coordinate of Point as a double. |
| * |
| * @return Y coordinate of the point as a double. |
| * @see java.awt.geom.Point2D#getY() |
| */ |
| @Override |
| public double getY() { |
| return y; |
| } |
| |
| /** |
| * Gets the location of the Point as a new Point object. |
| * |
| * @return a copy of the Point. |
| */ |
| public Point getLocation() { |
| return new Point(x, y); |
| } |
| |
| /** |
| * Sets the location of the Point to the same coordinates as p. |
| * |
| * @param p |
| * the Point that gives the new location. |
| */ |
| public void setLocation(Point p) { |
| setLocation(p.x, p.y); |
| } |
| |
| /** |
| * Sets the location of the Point to the coordinates X, Y. |
| * |
| * @param x |
| * the X coordinate of the Point's new location. |
| * @param y |
| * the Y coordinate of the Point's new location. |
| */ |
| public void setLocation(int x, int y) { |
| this.x = x; |
| this.y = y; |
| } |
| |
| /** |
| * Sets the location of Point to the specified double coordinates. |
| * |
| * @param x |
| * the X the Point's new location. |
| * @param y |
| * the Y the Point's new location. |
| * @see java.awt.geom.Point2D#setLocation(double, double) |
| */ |
| @Override |
| public void setLocation(double x, double y) { |
| x = x < Integer.MIN_VALUE ? Integer.MIN_VALUE : x > Integer.MAX_VALUE ? Integer.MAX_VALUE |
| : x; |
| y = y < Integer.MIN_VALUE ? Integer.MIN_VALUE : y > Integer.MAX_VALUE ? Integer.MAX_VALUE |
| : y; |
| setLocation((int)Math.round(x), (int)Math.round(y)); |
| } |
| |
| /** |
| * Moves the Point to the specified (x, y) location. |
| * |
| * @param x |
| * the X coordinate of the new location. |
| * @param y |
| * the Y coordinate of the new location. |
| */ |
| public void move(int x, int y) { |
| setLocation(x, y); |
| } |
| |
| /** |
| * Translates current Point moving it from the position (x, y) to the new |
| * position given by (x+dx, x+dy) coordinates. |
| * |
| * @param dx |
| * the horizontal delta - the Point is moved to this distance |
| * along X axis. |
| * @param dy |
| * the vertical delta - the Point is moved to this distance along |
| * Y axis. |
| */ |
| public void translate(int dx, int dy) { |
| x += dx; |
| y += dy; |
| } |
| |
| } |