77 lines
2.7 KiB
C++
Executable File
77 lines
2.7 KiB
C++
Executable File
// -*- mode:c++; tab-width:2; indent-tabs-mode:nil; c-basic-offset:2 -*-
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#ifndef __FINDER_PATTERN_FINDER_H__
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#define __FINDER_PATTERN_FINDER_H__
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/*
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* FinderPatternFinder.h
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* zxing
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*
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* Copyright 2010 ZXing authors All rights reserved.
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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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#include <zxing/qrcode/detector/FinderPattern.h>
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#include <zxing/qrcode/detector/FinderPatternInfo.h>
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#include <zxing/common/Counted.h>
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#include <zxing/common/BitMatrix.h>
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#include <zxing/ResultPointCallback.h>
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#include <vector>
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namespace zxing {
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class DecodeHints;
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namespace qrcode {
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class FinderPatternFinder {
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private:
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static int CENTER_QUORUM;
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protected:
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static int MIN_SKIP;
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static int MAX_MODULES;
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Ref<BitMatrix> image_;
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std::vector<Ref<FinderPattern> > possibleCenters_;
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bool hasSkipped_;
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Ref<ResultPointCallback> callback_;
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/** stateCount must be int[5] */
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static float centerFromEnd(int* stateCount, int end);
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static bool foundPatternCross(int* stateCount);
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float crossCheckVertical(size_t startI, size_t centerJ, int maxCount, int originalStateCountTotal);
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float crossCheckHorizontal(size_t startJ, size_t centerI, int maxCount, int originalStateCountTotal);
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/** stateCount must be int[5] */
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bool handlePossibleCenter(int* stateCount, size_t i, size_t j);
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int findRowSkip();
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bool haveMultiplyConfirmedCenters();
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std::vector<Ref<FinderPattern> > selectBestPatterns();
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static std::vector<Ref<FinderPattern> > orderBestPatterns(std::vector<Ref<FinderPattern> > patterns);
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Ref<BitMatrix> getImage();
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std::vector<Ref<FinderPattern> >& getPossibleCenters();
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public:
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static float distance(Ref<ResultPoint> p1, Ref<ResultPoint> p2);
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FinderPatternFinder(Ref<BitMatrix> image, Ref<ResultPointCallback>const&);
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Ref<FinderPatternInfo> find(DecodeHints const& hints);
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};
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}
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}
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#endif // __FINDER_PATTERN_FINDER_H__
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