/*
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* Copyright 2012 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 "ZXPDF417BarcodeMatrix.h"
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#import "ZXPDF417BarcodeRow.h"
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@interface ZXPDF417BarcodeMatrix ()
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@property (nonatomic, assign) int currentRowIndex;
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@property (nonatomic, strong, readonly) NSArray *rowMatrix;
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@end
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@implementation ZXPDF417BarcodeMatrix
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- (id)initWithHeight:(int)height width:(int)width {
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if (self = [super init]) {
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NSMutableArray *matrix = [NSMutableArray array];
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for (int i = 0, matrixLength = height; i < matrixLength; i++) {
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[matrix addObject:[ZXPDF417BarcodeRow barcodeRowWithWidth:(width + 4) * 17 + 1]];
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}
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_rowMatrix = matrix;
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_width = width * 17;
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_height = height;
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_currentRowIndex = -1;
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}
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return self;
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}
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- (void)setX:(int)x y:(int)y value:(int8_t)value {
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[self.rowMatrix[y] setX:x value:value];
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}
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/*
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- (void)setMatrixX:(int)x y:(int)y black:(BOOL)black {
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[self setX:x y:y value:(int8_t)(black ? 1 : 0)];
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}
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*/
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- (void)startRow {
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++self.currentRowIndex;
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}
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- (ZXPDF417BarcodeRow *)currentRow {
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return self.rowMatrix[self.currentRowIndex];
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}
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- (NSArray *)matrix {
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return [self scaledMatrixWithXScale:1 yScale:1];
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}
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/*
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- (NSArray *)scaledMatrix:(int)scale {
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return [self scaledMatrixWithXScale:scale yScale:scale];
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}
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*/
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- (NSArray *)scaledMatrixWithXScale:(int)xScale yScale:(int)yScale {
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int yMax = self.height * yScale;
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NSMutableArray *matrixOut = [NSMutableArray array];
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for (int i = 0; i < yMax; i++) {
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[matrixOut addObject:[NSNull null]];
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}
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for (int i = 0; i < yMax; i++) {
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matrixOut[yMax - i - 1] = [(ZXPDF417BarcodeRow *)self.rowMatrix[i / yScale] scaledRow:xScale];
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}
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return matrixOut;
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}
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@end
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