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- /*
- * 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.
- */
-
- #import "ZXDataMatrixSymbolInfo.h"
- #import "ZXDataMatrixSymbolInfo144.h"
- #import "ZXDimension.h"
-
- static NSArray *PROD_SYMBOLS = nil;
- static NSArray *symbols = nil;
-
- @implementation ZXDataMatrixSymbolInfo
-
- + (void)initialize {
- if ([self class] != [ZXDataMatrixSymbolInfo class]) return;
-
- PROD_SYMBOLS = @[[[ZXDataMatrixSymbolInfo alloc] initWithRectangular:NO dataCapacity:3 errorCodewords:5 matrixWidth:8 matrixHeight:8 dataRegions:1],
- [[ZXDataMatrixSymbolInfo alloc] initWithRectangular:NO dataCapacity:5 errorCodewords:7 matrixWidth:10 matrixHeight:10 dataRegions:1],
- /*rect*/[[ZXDataMatrixSymbolInfo alloc] initWithRectangular:YES dataCapacity:5 errorCodewords:7 matrixWidth:16 matrixHeight:6 dataRegions:1],
- [[ZXDataMatrixSymbolInfo alloc] initWithRectangular:NO dataCapacity:8 errorCodewords:10 matrixWidth:12 matrixHeight:12 dataRegions:1],
- /*rect*/[[ZXDataMatrixSymbolInfo alloc] initWithRectangular:YES dataCapacity:10 errorCodewords:11 matrixWidth:14 matrixHeight:6 dataRegions:2],
- [[ZXDataMatrixSymbolInfo alloc] initWithRectangular:NO dataCapacity:12 errorCodewords:12 matrixWidth:14 matrixHeight:14 dataRegions:1],
- /*rect*/[[ZXDataMatrixSymbolInfo alloc] initWithRectangular:YES dataCapacity:16 errorCodewords:14 matrixWidth:24 matrixHeight:10 dataRegions:1],
-
- [[ZXDataMatrixSymbolInfo alloc] initWithRectangular:NO dataCapacity:18 errorCodewords:14 matrixWidth:16 matrixHeight:16 dataRegions:1],
- [[ZXDataMatrixSymbolInfo alloc] initWithRectangular:NO dataCapacity:22 errorCodewords:18 matrixWidth:18 matrixHeight:18 dataRegions:1],
- /*rect*/[[ZXDataMatrixSymbolInfo alloc] initWithRectangular:YES dataCapacity:22 errorCodewords:18 matrixWidth:16 matrixHeight:10 dataRegions:2],
- [[ZXDataMatrixSymbolInfo alloc] initWithRectangular:NO dataCapacity:30 errorCodewords:20 matrixWidth:20 matrixHeight:20 dataRegions:1],
- /*rect*/[[ZXDataMatrixSymbolInfo alloc] initWithRectangular:YES dataCapacity:32 errorCodewords:24 matrixWidth:16 matrixHeight:14 dataRegions:2],
- [[ZXDataMatrixSymbolInfo alloc] initWithRectangular:NO dataCapacity:36 errorCodewords:24 matrixWidth:22 matrixHeight:22 dataRegions:1],
- [[ZXDataMatrixSymbolInfo alloc] initWithRectangular:NO dataCapacity:44 errorCodewords:28 matrixWidth:24 matrixHeight:24 dataRegions:1],
- /*rect*/[[ZXDataMatrixSymbolInfo alloc] initWithRectangular:YES dataCapacity:49 errorCodewords:28 matrixWidth:22 matrixHeight:14 dataRegions:2],
-
- [[ZXDataMatrixSymbolInfo alloc] initWithRectangular:NO dataCapacity:62 errorCodewords:36 matrixWidth:14 matrixHeight:14 dataRegions:4],
- [[ZXDataMatrixSymbolInfo alloc] initWithRectangular:NO dataCapacity:86 errorCodewords:42 matrixWidth:16 matrixHeight:16 dataRegions:4],
- [[ZXDataMatrixSymbolInfo alloc] initWithRectangular:NO dataCapacity:114 errorCodewords:48 matrixWidth:18 matrixHeight:18 dataRegions:4],
- [[ZXDataMatrixSymbolInfo alloc] initWithRectangular:NO dataCapacity:144 errorCodewords:56 matrixWidth:20 matrixHeight:20 dataRegions:4],
- [[ZXDataMatrixSymbolInfo alloc] initWithRectangular:NO dataCapacity:174 errorCodewords:68 matrixWidth:22 matrixHeight:22 dataRegions:4],
-
- [[ZXDataMatrixSymbolInfo alloc] initWithRectangular:NO dataCapacity:204 errorCodewords:84 matrixWidth:24 matrixHeight:24 dataRegions:4 rsBlockData:102 rsBlockError:42],
- [[ZXDataMatrixSymbolInfo alloc] initWithRectangular:NO dataCapacity:280 errorCodewords:112 matrixWidth:14 matrixHeight:14 dataRegions:16 rsBlockData:140 rsBlockError:56],
- [[ZXDataMatrixSymbolInfo alloc] initWithRectangular:NO dataCapacity:368 errorCodewords:144 matrixWidth:16 matrixHeight:16 dataRegions:16 rsBlockData:92 rsBlockError:36],
- [[ZXDataMatrixSymbolInfo alloc] initWithRectangular:NO dataCapacity:456 errorCodewords:192 matrixWidth:18 matrixHeight:18 dataRegions:16 rsBlockData:114 rsBlockError:48],
- [[ZXDataMatrixSymbolInfo alloc] initWithRectangular:NO dataCapacity:576 errorCodewords:224 matrixWidth:20 matrixHeight:20 dataRegions:16 rsBlockData:144 rsBlockError:56],
- [[ZXDataMatrixSymbolInfo alloc] initWithRectangular:NO dataCapacity:696 errorCodewords:272 matrixWidth:22 matrixHeight:22 dataRegions:16 rsBlockData:174 rsBlockError:68],
- [[ZXDataMatrixSymbolInfo alloc] initWithRectangular:NO dataCapacity:816 errorCodewords:336 matrixWidth:24 matrixHeight:24 dataRegions:16 rsBlockData:136 rsBlockError:56],
- [[ZXDataMatrixSymbolInfo alloc] initWithRectangular:NO dataCapacity:1050 errorCodewords:408 matrixWidth:18 matrixHeight:18 dataRegions:36 rsBlockData:175 rsBlockError:68],
- [[ZXDataMatrixSymbolInfo alloc] initWithRectangular:NO dataCapacity:1304 errorCodewords:496 matrixWidth:20 matrixHeight:20 dataRegions:36 rsBlockData:163 rsBlockError:62],
- [[ZXDataMatrixSymbolInfo144 alloc] init]];
- symbols = PROD_SYMBOLS;
- }
-
- + (NSArray *)prodSymbols {
- return PROD_SYMBOLS;
- }
-
- + (void)overrideSymbolSet:(NSArray *)override {
- symbols = override;
- }
-
- - (id)initWithRectangular:(BOOL)rectangular dataCapacity:(int)dataCapacity errorCodewords:(int)errorCodewords
- matrixWidth:(int)matrixWidth matrixHeight:(int)matrixHeight dataRegions:(int)dataRegions {
- return [self initWithRectangular:rectangular dataCapacity:dataCapacity errorCodewords:errorCodewords
- matrixWidth:matrixWidth matrixHeight:matrixHeight dataRegions:dataRegions
- rsBlockData:dataCapacity rsBlockError:errorCodewords];
- }
-
- - (id)initWithRectangular:(BOOL)rectangular dataCapacity:(int)dataCapacity errorCodewords:(int)errorCodewords
- matrixWidth:(int)matrixWidth matrixHeight:(int)matrixHeight dataRegions:(int)dataRegions
- rsBlockData:(int)rsBlockData rsBlockError:(int)rsBlockError {
- if (self = [super init]) {
- _rectangular = rectangular;
- _dataCapacity = dataCapacity;
- _errorCodewords = errorCodewords;
- _matrixWidth = matrixWidth;
- _matrixHeight = matrixHeight;
- _dataRegions = dataRegions;
- _rsBlockData = rsBlockData;
- _rsBlockError = rsBlockError;
- }
-
- return self;
- }
-
- + (ZXDataMatrixSymbolInfo *)lookup:(int)dataCodewords {
- return [self lookup:dataCodewords shape:ZXDataMatrixSymbolShapeHintForceNone fail:YES];
- }
-
- + (ZXDataMatrixSymbolInfo *)lookup:(int)dataCodewords shape:(ZXDataMatrixSymbolShapeHint)shape {
- return [self lookup:dataCodewords shape:shape fail:YES];
- }
-
- + (ZXDataMatrixSymbolInfo *)lookup:(int)dataCodewords allowRectangular:(BOOL)allowRectangular fail:(BOOL)fail {
- ZXDataMatrixSymbolShapeHint shape = allowRectangular
- ? ZXDataMatrixSymbolShapeHintForceNone : ZXDataMatrixSymbolShapeHintForceSquare;
- return [self lookup:dataCodewords shape:shape fail:fail];
- }
-
- + (ZXDataMatrixSymbolInfo *)lookup:(int)dataCodewords shape:(ZXDataMatrixSymbolShapeHint)shape fail:(BOOL)fail {
- return [self lookup:dataCodewords shape:shape minSize:nil maxSize:nil fail:fail];
- }
-
- + (ZXDataMatrixSymbolInfo *)lookup:(int)dataCodewords shape:(ZXDataMatrixSymbolShapeHint)shape minSize:(ZXDimension *)minSize
- maxSize:(ZXDimension *)maxSize fail:(BOOL)fail {
- for (ZXDataMatrixSymbolInfo *symbol in symbols) {
- if (shape == ZXDataMatrixSymbolShapeHintForceSquare && symbol.rectangular) {
- continue;
- }
- if (shape == ZXDataMatrixSymbolShapeHintForceRectangle && !symbol.rectangular) {
- continue;
- }
- if (minSize != nil
- && ([symbol symbolWidth] < minSize.width
- || [symbol symbolHeight] < minSize.height)) {
- continue;
- }
- if (maxSize != nil
- && ([symbol symbolWidth] > maxSize.width
- || [symbol symbolHeight] > maxSize.height)) {
- continue;
- }
- if (dataCodewords <= symbol.dataCapacity) {
- return symbol;
- }
- }
- if (fail) {
- [NSException raise:NSInvalidArgumentException format:@"Can't find a symbol arrangement that matches the message. Data codewords: %d", dataCodewords];
- }
- return nil;
- }
-
- - (int)horizontalDataRegions {
- switch (_dataRegions) {
- case 1:
- return 1;
- case 2:
- return 2;
- case 4:
- return 2;
- case 16:
- return 4;
- case 36:
- return 6;
- default:
- @throw [NSException exceptionWithName:NSInvalidArgumentException reason:@"Cannot handle this number of data regions" userInfo:nil];
- }
- }
-
- - (int)verticalDataRegions {
- switch (_dataRegions) {
- case 1:
- return 1;
- case 2:
- return 1;
- case 4:
- return 2;
- case 16:
- return 4;
- case 36:
- return 6;
- default:
- @throw [NSException exceptionWithName:NSInvalidArgumentException reason:@"Cannot handle this number of data regions" userInfo:nil];
- }
- }
-
- - (int)symbolDataWidth {
- return [self horizontalDataRegions] * _matrixWidth;
- }
-
- - (int)symbolDataHeight {
- return [self verticalDataRegions] * _matrixHeight;
- }
-
- - (int)symbolWidth {
- return [self symbolDataWidth] + ([self horizontalDataRegions] * 2);
- }
-
- - (int)symbolHeight {
- return [self symbolDataHeight] + ([self verticalDataRegions] * 2);
- }
-
- - (int)codewordCount {
- return _dataCapacity + _errorCodewords;
- }
-
- - (int)interleavedBlockCount {
- return _dataCapacity / _rsBlockData;
- }
-
- - (int)dataLengthForInterleavedBlock:(int)index {
- return _rsBlockData;
- }
-
- - (int)errorLengthForInterleavedBlock:(int)index {
- return _rsBlockError;
- }
-
- - (NSString *)description {
- NSMutableString *sb = [NSMutableString string];
- [sb appendString:_rectangular ? @"Rectangular Symbol:" : @"Square Symbol:"];
- [sb appendFormat:@" data region %dx%d", _matrixWidth, _matrixHeight];
- [sb appendFormat:@", symbol size %dx%d", [self symbolWidth], [self symbolHeight]];
- [sb appendFormat:@", symbol data size %dx%d", [self symbolDataWidth], [self symbolDataHeight]];
- [sb appendFormat:@", codewords %d+%d", _dataCapacity, _errorCodewords];
- return [NSString stringWithString:sb];
- }
-
- @end
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