ZXQRCodeVersion.h
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/*
* 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.
*/
@class ZXBitMatrix, ZXIntArray, ZXQRCodeECB, ZXQRCodeECBlocks, ZXQRCodeErrorCorrectionLevel;
/**
* See ISO 18004:2006 Annex D
*/
@interface ZXQRCodeVersion : NSObject
@property (nonatomic, assign, readonly) int versionNumber;
@property (nonatomic, strong, readonly) ZXIntArray *alignmentPatternCenters;
@property (nonatomic, strong, readonly) NSArray *ecBlocks;
@property (nonatomic, assign, readonly) int totalCodewords;
@property (nonatomic, assign, readonly) int dimensionForVersion;
- (ZXQRCodeECBlocks *)ecBlocksForLevel:(ZXQRCodeErrorCorrectionLevel *)ecLevel;
+ (ZXQRCodeVersion *)provisionalVersionForDimension:(int)dimension;
+ (ZXQRCodeVersion *)versionForNumber:(int)versionNumber;
+ (ZXQRCodeVersion *)decodeVersionInformation:(int)versionBits;
- (ZXBitMatrix *)buildFunctionPattern;
@end
/**
* Encapsulates a set of error-correction blocks in one symbol version. Most versions will
* use blocks of differing sizes within one version, so, this encapsulates the parameters for
* each set of blocks. It also holds the number of error-correction codewords per block since it
* will be the same across all blocks within one version.
*/
@interface ZXQRCodeECBlocks : NSObject
@property (nonatomic, assign, readonly) int ecCodewordsPerBlock;
@property (nonatomic, assign, readonly) int numBlocks;
@property (nonatomic, assign, readonly) int totalECCodewords;
@property (nonatomic, strong, readonly) NSArray *ecBlocks;
- (id)initWithEcCodewordsPerBlock:(int)ecCodewordsPerBlock ecBlocks:(ZXQRCodeECB *)ecBlocks;
- (id)initWithEcCodewordsPerBlock:(int)ecCodewordsPerBlock ecBlocks1:(ZXQRCodeECB *)ecBlocks1 ecBlocks2:(ZXQRCodeECB *)ecBlocks2;
+ (ZXQRCodeECBlocks *)ecBlocksWithEcCodewordsPerBlock:(int)ecCodewordsPerBlock ecBlocks:(ZXQRCodeECB *)ecBlocks;
+ (ZXQRCodeECBlocks *)ecBlocksWithEcCodewordsPerBlock:(int)ecCodewordsPerBlock ecBlocks1:(ZXQRCodeECB *)ecBlocks1 ecBlocks2:(ZXQRCodeECB *)ecBlocks2;
@end
/**
* Encapsualtes the parameters for one error-correction block in one symbol version.
* This includes the number of data codewords, and the number of times a block with these
* parameters is used consecutively in the QR code version's format.
*/
@interface ZXQRCodeECB : NSObject
@property (nonatomic, assign, readonly) int count;
@property (nonatomic, assign, readonly) int dataCodewords;
- (id)initWithCount:(int)count dataCodewords:(int)dataCodewords;
+ (ZXQRCodeECB *)ecbWithCount:(int)count dataCodewords:(int)dataCodewords;
@end