/*
* Copyright (C) 2016 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 com.google.android.cameraview;
import android.support.annotation.NonNull;
/**
* Immutable class for describing width and height dimensions in pixels.
*/
public class Size implements Comparable<Size> {
private final int mWidth;
private final int mHeight;
/**
* Create a new immutable Size instance.
*
* @param width The width of the size, in pixels
* @param height The height of the size, in pixels
*/
public Size(int width, int height) {
mWidth = width;
mHeight = height;
}
public int getWidth() {
return mWidth;
}
public int getHeight() {
return mHeight;
}
@Override
public boolean equals(Object o) {
if (o == null) {
return false;
}
if (this == o) {
return true;
}
if (o instanceof Size) {
Size size = (Size) o;
return mWidth == size.mWidth && mHeight == size.mHeight;
}
return false;
}
@Override
public String toString() {
return mWidth + "x" + mHeight;
}
@Override
public int hashCode() {
// assuming most sizes are <2^16, doing a rotate will give us perfect hashing
return mHeight ^ ((mWidth << (Integer.SIZE / 2)) | (mWidth >>> (Integer.SIZE / 2)));
}
@Override
public int compareTo(@NonNull Size another) {
return mWidth * mHeight - another.mWidth * another.mHeight;
}
}