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/*
* Copyright (C) 2007 The Android Open Source Project
*
* Licensed 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.
*/
package android.graphics;
import android.os.Parcel;
import android.os.Parcelable;
/**
* Point holds two integer coordinates
*/
public class Point implements Parcelable {
public int x;
public int y;
public Point() {}
public Point(int x, int y) {
this.x = x;
this.y = y;
}
public Point(Point src) {
this.x = src.x;
this.y = src.y;
}
/**
* Set the point's x and y coordinates
*/
public void set(int x, int y) {
this.x = x;
this.y = y;
}
/**
* Negate the point's coordinates
*/
public final void negate() {
x = -x;
y = -y;
}
/**
* Offset the point's coordinates by dx, dy
*/
public final void offset(int dx, int dy) {
x += dx;
y += dy;
}
/**
* Returns true if the point's coordinates equal (x,y)
*/
public final boolean equals(int x, int y) {
return this.x == x && this.y == y;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
Point point = (Point) o;
if (x != point.x) return false;
if (y != point.y) return false;
return true;
}
@Override
public int hashCode() {
int result = x;
result = 31 * result + y;
return result;
}
@Override
public String toString() {
return "Point(" + x + ", " + y + ")";
}
/**
* Parcelable interface methods
*/
@Override
public int describeContents() {
return 0;
}
/**
* Write this point to the specified parcel. To restore a point from
* a parcel, use readFromParcel()
* @param out The parcel to write the point's coordinates into
*/
@Override
public void writeToParcel(Parcel out, int flags) {
out.writeInt(x);
out.writeInt(y);
}
public static final Parcelable.Creator<Point> CREATOR = new Parcelable.Creator<Point>() {
/**
* Return a new point from the data in the specified parcel.
*/
public Point createFromParcel(Parcel in) {
Point r = new Point();
r.readFromParcel(in);
return r;
}
/**
* Return an array of rectangles of the specified size.
*/
public Point[] newArray(int size) {
return new Point[size];
}
};
/**
* Set the point's coordinates from the data stored in the specified
* parcel. To write a point to a parcel, call writeToParcel().
*
* @param in The parcel to read the point's coordinates from
*/
public void readFromParcel(Parcel in) {
x = in.readInt();
y = in.readInt();
}
}
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