/*
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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 "ZXDecodeHints.h"
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#import "ZXErrors.h"
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#import "ZXMultiDetector.h"
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#import "ZXMultiFinderPatternFinder.h"
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#import "ZXResultPointCallback.h"
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@implementation ZXMultiDetector
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- (NSArray *)detectMulti:(ZXDecodeHints *)hints error:(NSError **)error {
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id<ZXResultPointCallback> resultPointCallback = hints == nil ? nil : hints.resultPointCallback;
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ZXMultiFinderPatternFinder *finder = [[ZXMultiFinderPatternFinder alloc] initWithImage:self.image resultPointCallback:resultPointCallback];
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NSArray *info = [finder findMulti:hints error:error];
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if ([info count] == 0) {
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if (error) *error = ZXNotFoundErrorInstance();
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return nil;
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}
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NSMutableArray *result = [NSMutableArray array];
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for (int i = 0; i < [info count]; i++) {
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ZXDetectorResult *patternInfo = [self processFinderPatternInfo:info[i] error:nil];
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if (patternInfo) {
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[result addObject:patternInfo];
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}
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}
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return result;
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}
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@end
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