com.github.mhendred.face4j.model.Point.java Source code

Introduction

Here is the source code for com.github.mhendred.face4j.model.Point.java

Source

/*
 * Copyright (c) 2010 Marlon Hendred
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

package com.github.mhendred.face4j.model;

import org.json.JSONException;
import org.json.JSONObject;

public final class Point {
    public float x;

    public float y;

    public Point() {
        this.x = 0;
        this.y = 0;
    }

    public Point(Point p) {
        this.x = p.x;
        this.y = p.y;
    }

    public Point(float x, float y) {
        this.x = x;
        this.y = y;
    }

    public void negate() {
        x = -x;
        y = -y;
    }

    public void offset(float dx, float dy) {
        x += dx;
        y += dy;
    }

    public final String toString() {
        return "(" + x + ", " + y + ")";
    }

    @Override
    public int hashCode() {
        final int prime = 31;
        int result = 1;
        result = prime * result + Float.floatToIntBits(x);
        result = prime * result + Float.floatToIntBits(y);
        return result;
    }

    @Override
    public boolean equals(Object obj) {
        if (this == obj)
            return true;
        if (obj == null)
            return false;
        if (getClass() != obj.getClass())
            return false;
        Point other = (Point) obj;
        if (Float.floatToIntBits(x) != Float.floatToIntBits(other.x))
            return false;
        if (Float.floatToIntBits(y) != Float.floatToIntBits(other.y))
            return false;
        return true;
    }

    public boolean equals(float x, float y) {
        return this.x == x && this.y == y;
    }

    static Point fromJson(JSONObject jObj) throws JSONException {
        if (jObj != null) {
            final Point p = new Point();

            p.x = (float) jObj.getDouble("x");
            p.y = (float) jObj.getDouble("y");

            return p;
        }

        return null;
    }
}