text: /*
   * Copyright 2012 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.
   */
  
  /**
   * See ISO 18004:2006, 6.5.1. This enum encapsulates the four error correction levels
   * defined by the QR code standard.
   */
  
  @interface ZXErrorCorrectionLevel : NSObject
  
  @property (nonatomic, assign, readonly) int bits;
  @property (nonatomic, copy, readonly) NSString *name;
  @property (nonatomic, assign, readonly) int ordinal;
  
  - (id)initWithOrdinal:(int)anOrdinal bits:(int)bits name:(NSString *)name;
  + (ZXErrorCorrectionLevel *)forBits:(int)bits;
  
  /**
   * L = ~7% correction
   */
  + (ZXErrorCorrectionLevel *)errorCorrectionLevelL;
  
  /**
   * M = ~15% correction
   */
  + (ZXErrorCorrectionLevel *)errorCorrectionLevelM;
  
  /**
   * Q = ~25% correction
   */
  + (ZXErrorCorrectionLevel *)errorCorrectionLevelQ;
  
  /**
   * H = ~30% correction
   */
  + (ZXErrorCorrectionLevel *)errorCorrectionLevelH;
  
  @end
  