zxing-typescript/src/core/Dimension.ts

TypeScript port of ZXing open-source, multi-format 1D/2D barcode image processing library

/*
 * Copyright 2009 ZXing authors
 *
 * 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.
 */

import Exception from './Exception'

/*namespace com.google.zxing {*/
  
/**
 * Simply encapsulates a width and height.
 */
export default class Dimension {
  public constructor(private width: number/*int*/, private height: number/*int*/) {
    if (width < 0 || height < 0) {
      throw new Exception(Exception.IllegalArgumentException)
    }
  }

  public getWidth(): number/*int*/ {
    return this.width
  }

  public getHeight(): number/*int*/ {
    return this.height
  }

  /*@Override*/
  public equals(other: any): boolean {
    if (other instanceof Dimension) {
      const d = <Dimension> other
      return this.width == d.width && this.height == d.height
    }
    return false
  }

  /*@Override*/
  public hashCode(): number/*int*/ {
      return this.width * 32713 + this.height;
  }

  /*@Override*/
  public toString(): string {
    return this.width + "x" + this.height
  }

}