1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556 |
- /*
- * 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 "ZXPDF417Codeword.h"
-
- const int ZX_PDF417_BARCODE_ROW_UNKNOWN = -1;
-
- @implementation ZXPDF417Codeword
-
- - (id)initWithStartX:(int)startX endX:(int)endX bucket:(int)bucket value:(int)value {
- self = [super init];
- if (self) {
- _startX = startX;
- _endX = endX;
- _bucket = bucket;
- _value = value;
- _rowNumber = ZX_PDF417_BARCODE_ROW_UNKNOWN;
- }
-
- return self;
- }
-
- - (BOOL)hasValidRowNumber {
- return [self isValidRowNumber:self.rowNumber];
- }
-
- - (BOOL)isValidRowNumber:(int)rowNumber {
- return rowNumber != ZX_PDF417_BARCODE_ROW_UNKNOWN && self.bucket == (rowNumber % 3) * 3;
- }
-
- - (void)setRowNumberAsRowIndicatorColumn {
- self.rowNumber = (self.value / 30) * 3 + self.bucket / 3;
- }
-
- - (int)width {
- return self.endX - self.startX;
- }
-
- - (NSString *)description {
- return [NSString stringWithFormat:@"%d|%d", self.rowNumber, self.value];
- }
-
- @end
|