/*
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* Copyright 2013 ZXing authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#import "ZXPDF417Codeword.h"
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const int ZX_PDF417_BARCODE_ROW_UNKNOWN = -1;
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@implementation ZXPDF417Codeword
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- (id)initWithStartX:(int)startX endX:(int)endX bucket:(int)bucket value:(int)value {
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self = [super init];
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if (self) {
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_startX = startX;
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_endX = endX;
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_bucket = bucket;
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_value = value;
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_rowNumber = ZX_PDF417_BARCODE_ROW_UNKNOWN;
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}
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return self;
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}
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- (BOOL)hasValidRowNumber {
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return [self isValidRowNumber:self.rowNumber];
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}
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- (BOOL)isValidRowNumber:(int)rowNumber {
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return rowNumber != ZX_PDF417_BARCODE_ROW_UNKNOWN && self.bucket == (rowNumber % 3) * 3;
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}
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- (void)setRowNumberAsRowIndicatorColumn {
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self.rowNumber = (self.value / 30) * 3 + self.bucket / 3;
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}
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- (int)width {
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return self.endX - self.startX;
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}
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- (NSString *)description {
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return [NSString stringWithFormat:@"%d|%d", self.rowNumber, self.value];
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}
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@end
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