/*
|
* 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 ZXQRCodeErrorCorrectionLevel : 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;
|
|
/**
|
* @param bits int containing the two bits encoding a QR Code's error correction level
|
* @return ErrorCorrectionLevel representing the encoded error correction level
|
*/
|
+ (ZXQRCodeErrorCorrectionLevel *)forBits:(int)bits;
|
|
/**
|
* L = ~7% correction
|
*/
|
+ (ZXQRCodeErrorCorrectionLevel *)errorCorrectionLevelL;
|
|
/**
|
* M = ~15% correction
|
*/
|
+ (ZXQRCodeErrorCorrectionLevel *)errorCorrectionLevelM;
|
|
/**
|
* Q = ~25% correction
|
*/
|
+ (ZXQRCodeErrorCorrectionLevel *)errorCorrectionLevelQ;
|
|
/**
|
* H = ~30% correction
|
*/
|
+ (ZXQRCodeErrorCorrectionLevel *)errorCorrectionLevelH;
|
|
@end
|
