com.htmlhifive.pitalium.image.model.RectangleArea.java Source code

Introduction

Here is the source code for com.htmlhifive.pitalium.image.model.RectangleArea.java

Source

/*
 * Copyright (C) 2015-2016 NS Solutions Corporation
 *
 * 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 com.htmlhifive.pitalium.image.model;

import java.awt.Rectangle;
import java.io.Serializable;

import com.fasterxml.jackson.annotation.JsonCreator;
import com.fasterxml.jackson.annotation.JsonProperty;
import com.htmlhifive.pitalium.common.util.JSONUtils;

/**
 * ?
 */
public class RectangleArea implements Serializable {

    private static final long serialVersionUID = 1L;

    /**
     * ?x
     */
    private final double x;

    /**
     * ?y
     */
    private final double y;
    /**
     * 
     */
    private final double width;
    /**
     * ?
     */
    private final double height;

    /**
     * ?????????
     * 
     * @param x ?x
     * @param y ?y
     * @param width 
     * @param height ?
     */
    @JsonCreator
    public RectangleArea(@JsonProperty("x") double x, @JsonProperty("y") double y,
            @JsonProperty("width") double width, @JsonProperty("height") double height) {
        this.x = x;
        this.y = y;
        this.width = width;
        this.height = height;
    }

    /**
     * x????
     * 
     * @return x
     */
    public double getX() {
        return x;
    }

    /**
     * y????
     * 
     * @return y
     */
    public double getY() {
        return y;
    }

    /**
     * ??????
     * 
     * @return 
     */
    public double getWidth() {
        return width;
    }

    /**
     * ???????
     * 
     * @return ?
     */
    public double getHeight() {
        return height;
    }

    /**
     * ??????????
     * 
     * @return ??????
     */
    public RectangleArea floor() {
        return new RectangleArea((int) x, (int) y, (int) width, (int) height);
    }

    /**
     * ??????????
     * 
     * @return ??????
     */
    public RectangleArea round() {
        return new RectangleArea(Math.round(x), Math.round(y), Math.round(width), Math.round(height));
    }

    /**
     * ?????????
     * 
     * @return ?????
     */
    public RectangleArea ceil() {
        return new RectangleArea(Math.ceil(x), Math.ceil(y), Math.ceil(width), Math.ceil(height));
    }

    /**
     * ????????
     * 
     * @param deltaX X???
     * @param deltaY Y???
     * @return ?
     */
    public RectangleArea move(double deltaX, double deltaY) {
        return new RectangleArea(x + deltaX, y + deltaY, width, height);
    }

    /**
     * ????
     * 
     * @param scale 
     * @return ???
     */
    public RectangleArea applyScale(double scale) {
        double scaledX = Math.round(x * scale);
        double scaledY = Math.round(y * scale);
        double scaledWidth = Math.round(width * scale);
        double scaledHeight = Math.round(height * scale);

        return new RectangleArea(scaledX, scaledY, scaledWidth, scaledHeight);
    }

    /**
     * ???????{@link Rectangle}?????
     * 
     * @return ???????{@link Rectangle}
     */
    public Rectangle toRectangle() {
        RectangleArea rect = round();
        return new Rectangle((int) rect.x, (int) rect.y, (int) rect.width, (int) rect.height);
    }

    /**
     * ???????
     * 
     * @param o ?
     * @return ????true
     */
    @Override
    public boolean equals(Object o) {
        if (this == o) {
            return true;
        }
        if (o == null || getClass() != o.getClass()) {
            return false;
        }

        RectangleArea that = (RectangleArea) o;

        if (Double.compare(that.x, x) != 0) {
            return false;
        }
        if (Double.compare(that.y, y) != 0) {
            return false;
        }
        if (Double.compare(that.width, width) != 0) {
            return false;
        }
        return Double.compare(that.height, height) == 0;
    }

    @Override
    public int hashCode() {
        int result;
        long temp;
        final int hashPrime = 31;
        final int shiftBit = 32;
        temp = Double.doubleToLongBits(x);
        result = (int) (temp ^ (temp >>> shiftBit));
        temp = Double.doubleToLongBits(y);
        result = hashPrime * result + (int) (temp ^ (temp >>> shiftBit));
        temp = Double.doubleToLongBits(width);
        result = hashPrime * result + (int) (temp ^ (temp >>> shiftBit));
        temp = Double.doubleToLongBits(height);
        result = hashPrime * result + (int) (temp ^ (temp >>> shiftBit));
        return result;
    }

    @Override
    public String toString() {
        return JSONUtils.toString(this);
    }

}