content: /*
   * Copyright 2013 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.
   */
  
  package com.ailiwean.core.zxing.core.qrcode.decoder;
  
  
  import com.ailiwean.core.zxing.core.ResultPoint;
  import com.ailiwean.core.zxing.core.common.DecoderResult;
  
  /**
   * Meta-data container for QR Code decoding. Instances of this class may be used to convey information back to the
   * decoding caller. Callers are expected to process this.
   *
   * @see DecoderResult#getOther()
   */
  public final class QRCodeDecoderMetaData {
  
    private final boolean mirrored;
  
    QRCodeDecoderMetaData(boolean mirrored) {
      this.mirrored = mirrored;
    }
  
    /**
     * @return true if the QR Code was mirrored.
     */
    public boolean isMirrored() {
      return mirrored;
    }
  
    /**
     * Apply the result points' order correction due to mirroring.
     *
     * @param points Array of points to apply mirror correction to.
     */
    public void applyMirroredCorrection(ResultPoint[] points) {
      if (!mirrored || points == null || points.length < 3) {
        return;
      }
      ResultPoint bottomLeft = points[0];
      points[0] = points[2];
      points[2] = bottomLeft;
      // No need to 'fix' top-left and alignment pattern.
    }
  
  }
  